17b5038d7SDag-Erling Smørgrav# acx_nlnetlabs.m4 - common macros for configure checks 27b5038d7SDag-Erling Smørgrav# Copyright 2009, Wouter Wijngaards, NLnet Labs. 37b5038d7SDag-Erling Smørgrav# BSD licensed. 47b5038d7SDag-Erling Smørgrav# 5*5afab0e5SDag-Erling Smørgrav# Version 41 6*5afab0e5SDag-Erling Smørgrav# 2021-07-30 fix for openssl use of lib64 directory. 7*5afab0e5SDag-Erling Smørgrav# 2021-06-14 fix nonblocking test to use host instead of target for mingw test. 8*5afab0e5SDag-Erling Smørgrav# 2021-05-17 fix nonblocking socket test from grep on mingw32 to mingw for 9*5afab0e5SDag-Erling Smørgrav# 64bit compatibility. 10*5afab0e5SDag-Erling Smørgrav# 2021-03-24 fix ACX_FUNC_DEPRECATED to use CPPFLAGS and CFLAGS. 11*5afab0e5SDag-Erling Smørgrav# 2021-01-05 fix defun for aclocal 12*5afab0e5SDag-Erling Smørgrav# 2021-01-05 autoconf 2.70 autoupdate and fixes, no AC_TRY_COMPILE 13*5afab0e5SDag-Erling Smørgrav# 2020-08-24 Use EVP_sha256 instead of HMAC_Update (for openssl-3.0.0). 14986ba33cSDag-Erling Smørgrav# 2016-03-21 Check -ldl -pthread for libcrypto for ldns and openssl 1.1.0. 15986ba33cSDag-Erling Smørgrav# 2016-03-21 Use HMAC_Update instead of HMAC_CTX_Init (for openssl-1.1.0). 16986ba33cSDag-Erling Smørgrav# 2016-01-04 -D_DEFAULT_SOURCE defined with -D_BSD_SOURCE for Linux glibc 2.20 17986ba33cSDag-Erling Smørgrav# 2015-12-11 FLTO check for new OSX, clang. 18986ba33cSDag-Erling Smørgrav# 2015-11-18 spelling check fix. 19986ba33cSDag-Erling Smørgrav# 2015-11-05 ACX_SSL_CHECKS no longer adds -ldl needlessly. 20986ba33cSDag-Erling Smørgrav# 2015-08-28 ACX_CHECK_PIE and ACX_CHECK_RELRO_NOW added. 21986ba33cSDag-Erling Smørgrav# 2015-03-17 AHX_CONFIG_REALLOCARRAY added 2217d15b25SDag-Erling Smørgrav# 2013-09-19 FLTO help text improved. 2317d15b25SDag-Erling Smørgrav# 2013-07-18 Enable ACX_CHECK_COMPILER_FLAG to test for -Wstrict-prototypes 2417d15b25SDag-Erling Smørgrav# 2013-06-25 FLTO has --disable-flto option. 2517d15b25SDag-Erling Smørgrav# 2013-05-03 Update W32_SLEEP for newer mingw that links but not defines it. 2617d15b25SDag-Erling Smørgrav# 2013-03-22 Fix ACX_RSRC_VERSION for long version numbers. 277b5038d7SDag-Erling Smørgrav# 2012-02-09 Fix AHX_MEMCMP_BROKEN with undef in compat/memcmp.h. 287b5038d7SDag-Erling Smørgrav# 2012-01-20 Fix COMPILER_FLAGS_UNBOUND for gcc 4.6.2 assigned-not-used-warns. 297b5038d7SDag-Erling Smørgrav# 2011-12-05 Fix getaddrinfowithincludes on windows with fedora16 mingw32-gcc. 307b5038d7SDag-Erling Smørgrav# Fix ACX_MALLOC for redefined malloc error. 317b5038d7SDag-Erling Smørgrav# Fix GETADDRINFO_WITH_INCLUDES to add -lws2_32 327b5038d7SDag-Erling Smørgrav# 2011-11-10 Fix FLTO test to not drop a.out in current directory. 337b5038d7SDag-Erling Smørgrav# 2011-11-01 Fix FLTO test for llvm on Lion. 347b5038d7SDag-Erling Smørgrav# 2011-08-01 Fix nonblock test (broken at v13). 357b5038d7SDag-Erling Smørgrav# 2011-08-01 Fix autoconf 2.68 warnings 367b5038d7SDag-Erling Smørgrav# 2011-06-23 Add ACX_CHECK_FLTO to check -flto. 377b5038d7SDag-Erling Smørgrav# 2010-08-16 Fix FLAG_OMITTED for AS_TR_CPP changes in autoconf-2.66. 387b5038d7SDag-Erling Smørgrav# 2010-07-02 Add check for ss_family (for minix). 397b5038d7SDag-Erling Smørgrav# 2010-04-26 Fix to use CPPFLAGS for CHECK_COMPILER_FLAGS. 407b5038d7SDag-Erling Smørgrav# 2010-03-01 Fix RPATH using CONFIG_COMMANDS to run at the very end. 4117d15b25SDag-Erling Smørgrav# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS separate, -ldl 427b5038d7SDag-Erling Smørgrav# 2010-02-01 added ACX_CHECK_MEMCMP_SIGNED, AHX_MEMCMP_BROKEN 437b5038d7SDag-Erling Smørgrav# 2010-01-20 added AHX_COONFIG_STRLCAT 447b5038d7SDag-Erling Smørgrav# 2009-07-14 U_CHAR detection improved for windows crosscompile. 457b5038d7SDag-Erling Smørgrav# added ACX_FUNC_MALLOC 467b5038d7SDag-Erling Smørgrav# fixup some #if to #ifdef 477b5038d7SDag-Erling Smørgrav# NONBLOCKING test for mingw crosscompile. 487b5038d7SDag-Erling Smørgrav# 2009-07-13 added ACX_WITH_SSL_OPTIONAL 497b5038d7SDag-Erling Smørgrav# 2009-07-03 fixup LDFLAGS for empty ssl dir. 507b5038d7SDag-Erling Smørgrav# 517b5038d7SDag-Erling Smørgrav# Automates some of the checking constructs. Aims at portability for POSIX. 527b5038d7SDag-Erling Smørgrav# Documentation for functions is below. 537b5038d7SDag-Erling Smørgrav# 547b5038d7SDag-Erling Smørgrav# the following macro's are provided in this file: 557b5038d7SDag-Erling Smørgrav# (see below for details on each macro). 567b5038d7SDag-Erling Smørgrav# 577b5038d7SDag-Erling Smørgrav# ACX_ESCAPE_BACKSLASH - escape backslashes in var for C-preproc. 587b5038d7SDag-Erling Smørgrav# ACX_RSRC_VERSION - create windows resource version number. 597b5038d7SDag-Erling Smørgrav# ACX_CHECK_COMPILER_FLAG - see if cc supports a flag. 607b5038d7SDag-Erling Smørgrav# ACX_CHECK_ERROR_FLAGS - see which flag is -werror (used below). 617b5038d7SDag-Erling Smørgrav# ACX_CHECK_COMPILER_FLAG_NEEDED - see if flags make the code compile cleanly. 627b5038d7SDag-Erling Smørgrav# ACX_DEPFLAG - find cc dependency flags. 637b5038d7SDag-Erling Smørgrav# ACX_DETERMINE_EXT_FLAGS_UNBOUND - find out which flags enable BSD and POSIX. 647b5038d7SDag-Erling Smørgrav# ACX_CHECK_FORMAT_ATTRIBUTE - find cc printf format syntax. 657b5038d7SDag-Erling Smørgrav# ACX_CHECK_UNUSED_ATTRIBUTE - find cc variable unused syntax. 667b5038d7SDag-Erling Smørgrav# ACX_CHECK_FLTO - see if cc supports -flto and use it if so. 677b5038d7SDag-Erling Smørgrav# ACX_LIBTOOL_C_ONLY - create libtool for C only, improved. 687b5038d7SDag-Erling Smørgrav# ACX_TYPE_U_CHAR - u_char type. 697b5038d7SDag-Erling Smørgrav# ACX_TYPE_RLIM_T - rlim_t type. 707b5038d7SDag-Erling Smørgrav# ACX_TYPE_SOCKLEN_T - socklen_t type. 717b5038d7SDag-Erling Smørgrav# ACX_TYPE_IN_ADDR_T - in_addr_t type. 727b5038d7SDag-Erling Smørgrav# ACX_TYPE_IN_PORT_T - in_port_t type. 737b5038d7SDag-Erling Smørgrav# ACX_ARG_RPATH - add --disable-rpath option. 747b5038d7SDag-Erling Smørgrav# ACX_WITH_SSL - add --with-ssl option, link -lcrypto. 757b5038d7SDag-Erling Smørgrav# ACX_WITH_SSL_OPTIONAL - add --with-ssl option, link -lcrypto, 767b5038d7SDag-Erling Smørgrav# where --without-ssl is also accepted 777b5038d7SDag-Erling Smørgrav# ACX_LIB_SSL - setup to link -lssl. 787b5038d7SDag-Erling Smørgrav# ACX_SYS_LARGEFILE - improved sys_largefile, fseeko, >2G files. 797b5038d7SDag-Erling Smørgrav# ACX_CHECK_GETADDRINFO_WITH_INCLUDES - find getaddrinfo, portably. 807b5038d7SDag-Erling Smørgrav# ACX_FUNC_DEPRECATED - see if func is deprecated. 817b5038d7SDag-Erling Smørgrav# ACX_CHECK_NONBLOCKING_BROKEN - see if nonblocking sockets really work. 827b5038d7SDag-Erling Smørgrav# ACX_MKDIR_ONE_ARG - determine mkdir(2) number of arguments. 837b5038d7SDag-Erling Smørgrav# ACX_FUNC_IOCTLSOCKET - find ioctlsocket, portably. 847b5038d7SDag-Erling Smørgrav# ACX_FUNC_MALLOC - check malloc, define replacement . 857b5038d7SDag-Erling Smørgrav# AHX_CONFIG_FORMAT_ATTRIBUTE - config.h text for format. 867b5038d7SDag-Erling Smørgrav# AHX_CONFIG_UNUSED_ATTRIBUTE - config.h text for unused. 877b5038d7SDag-Erling Smørgrav# AHX_CONFIG_FSEEKO - define fseeko, ftello fallback. 887b5038d7SDag-Erling Smørgrav# AHX_CONFIG_RAND_MAX - define RAND_MAX if needed. 897b5038d7SDag-Erling Smørgrav# AHX_CONFIG_MAXHOSTNAMELEN - define MAXHOSTNAMELEN if needed. 907b5038d7SDag-Erling Smørgrav# AHX_CONFIG_IPV6_MIN_MTU - define IPV6_MIN_MTU if needed. 917b5038d7SDag-Erling Smørgrav# AHX_CONFIG_SNPRINTF - snprintf compat prototype 927b5038d7SDag-Erling Smørgrav# AHX_CONFIG_INET_PTON - inet_pton compat prototype 937b5038d7SDag-Erling Smørgrav# AHX_CONFIG_INET_NTOP - inet_ntop compat prototype 947b5038d7SDag-Erling Smørgrav# AHX_CONFIG_INET_ATON - inet_aton compat prototype 957b5038d7SDag-Erling Smørgrav# AHX_CONFIG_MEMMOVE - memmove compat prototype 967b5038d7SDag-Erling Smørgrav# AHX_CONFIG_STRLCAT - strlcat compat prototype 977b5038d7SDag-Erling Smørgrav# AHX_CONFIG_STRLCPY - strlcpy compat prototype 987b5038d7SDag-Erling Smørgrav# AHX_CONFIG_GMTIME_R - gmtime_r compat prototype 997b5038d7SDag-Erling Smørgrav# AHX_CONFIG_W32_SLEEP - w32 compat for sleep 1007b5038d7SDag-Erling Smørgrav# AHX_CONFIG_W32_USLEEP - w32 compat for usleep 1017b5038d7SDag-Erling Smørgrav# AHX_CONFIG_W32_RANDOM - w32 compat for random 1027b5038d7SDag-Erling Smørgrav# AHX_CONFIG_W32_SRANDOM - w32 compat for srandom 1037b5038d7SDag-Erling Smørgrav# AHX_CONFIG_W32_FD_SET_T - w32 detection of FD_SET_T. 1047b5038d7SDag-Erling Smørgrav# ACX_CFLAGS_STRIP - strip one flag from CFLAGS 1057b5038d7SDag-Erling Smørgrav# ACX_STRIP_EXT_FLAGS - strip extension flags from CFLAGS 1067b5038d7SDag-Erling Smørgrav# AHX_CONFIG_FLAG_OMITTED - define omitted flag 1077b5038d7SDag-Erling Smørgrav# AHX_CONFIG_FLAG_EXT - define omitted extension flag 1087b5038d7SDag-Erling Smørgrav# AHX_CONFIG_EXT_FLAGS - define the stripped extension flags 1097b5038d7SDag-Erling Smørgrav# ACX_CHECK_MEMCMP_SIGNED - check if memcmp uses signed characters. 1107b5038d7SDag-Erling Smørgrav# AHX_MEMCMP_BROKEN - replace memcmp func for CHECK_MEMCMP_SIGNED. 1117b5038d7SDag-Erling Smørgrav# ACX_CHECK_SS_FAMILY - check for sockaddr_storage.ss_family 112986ba33cSDag-Erling Smørgrav# ACX_CHECK_PIE - add --enable-pie option and check if works 113986ba33cSDag-Erling Smørgrav# ACX_CHECK_RELRO_NOW - add --enable-relro-now option and check it 1147b5038d7SDag-Erling Smørgrav# 1157b5038d7SDag-Erling Smørgrav 1167b5038d7SDag-Erling Smørgravdnl Escape backslashes as \\, for C:\ paths, for the C preprocessor defines. 1177b5038d7SDag-Erling Smørgravdnl for example, ACX_ESCAPE_BACKSLASH($from_var, to_var) 1187b5038d7SDag-Erling Smørgravdnl $1: the text to change. 1197b5038d7SDag-Erling Smørgravdnl $2: the result. 1207b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_ESCAPE_BACKSLASH], [$2="`echo $1 | sed -e 's/\\\\/\\\\\\\\/g'`" 1217b5038d7SDag-Erling Smørgrav]) 1227b5038d7SDag-Erling Smørgrav 1237b5038d7SDag-Erling Smørgravdnl Calculate comma separated windows-resource numbers from package version. 1247b5038d7SDag-Erling Smørgravdnl Picks the first three(,0) or four numbers out of the name. 1257b5038d7SDag-Erling Smørgravdnl $1: variable for the result 1267b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_RSRC_VERSION], 12717d15b25SDag-Erling Smørgrav[$1=[`echo $PACKAGE_VERSION | sed -e 's/^[^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\).*$/\1,\2,\3,\4/' -e 's/^[^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9]*$/\1,\2,\3,0/' `] 1287b5038d7SDag-Erling Smørgrav]) 1297b5038d7SDag-Erling Smørgrav 1307b5038d7SDag-Erling Smørgravdnl Routine to help check for compiler flags. 1317b5038d7SDag-Erling Smørgravdnl Checks if the compiler will accept the flag. 1327b5038d7SDag-Erling Smørgravdnl $1: the flag without a - in front, so g to check -g. 1337b5038d7SDag-Erling Smørgravdnl $2: executed if yes 1347b5038d7SDag-Erling Smørgravdnl $3: executed if no 1357b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_COMPILER_FLAG], 1367b5038d7SDag-Erling Smørgrav[ 1377b5038d7SDag-Erling SmørgravAC_REQUIRE([AC_PROG_CC]) 1387b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(whether $CC supports -$1) 1397b5038d7SDag-Erling Smørgravcache=`echo $1 | sed 'y%.=/+-%___p_%'` 1407b5038d7SDag-Erling SmørgravAC_CACHE_VAL(cv_prog_cc_flag_$cache, 1417b5038d7SDag-Erling Smørgrav[ 14217d15b25SDag-Erling Smørgravecho 'void f(void){}' >conftest.c 1437b5038d7SDag-Erling Smørgravif test -z "`$CC $CPPFLAGS $CFLAGS -$1 -c conftest.c 2>&1`"; then 1447b5038d7SDag-Erling Smørgraveval "cv_prog_cc_flag_$cache=yes" 1457b5038d7SDag-Erling Smørgravelse 1467b5038d7SDag-Erling Smørgraveval "cv_prog_cc_flag_$cache=no" 1477b5038d7SDag-Erling Smørgravfi 1487b5038d7SDag-Erling Smørgravrm -f conftest conftest.o conftest.c 1497b5038d7SDag-Erling Smørgrav]) 1507b5038d7SDag-Erling Smørgravif eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then 1517b5038d7SDag-Erling SmørgravAC_MSG_RESULT(yes) 1527b5038d7SDag-Erling Smørgrav: 1537b5038d7SDag-Erling Smørgrav$2 1547b5038d7SDag-Erling Smørgravelse 1557b5038d7SDag-Erling SmørgravAC_MSG_RESULT(no) 1567b5038d7SDag-Erling Smørgrav: 1577b5038d7SDag-Erling Smørgrav$3 1587b5038d7SDag-Erling Smørgravfi 1597b5038d7SDag-Erling Smørgrav]) 1607b5038d7SDag-Erling Smørgrav 1617b5038d7SDag-Erling Smørgravdnl setup flags for ACX_CHECK_COMPILER_FLAG_NEEDED 1627b5038d7SDag-Erling Smørgravdnl ERRFLAG: result, compiler flag to turn warnings into errors 1637b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_ERROR_FLAGS], 1647b5038d7SDag-Erling Smørgrav[ 1657b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG(Werror, [ERRFLAG="-Werror"], [ERRFLAG="-errwarn"]) 1667b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG(Wall, [ERRFLAG="$ERRFLAG -Wall"], 1677b5038d7SDag-Erling Smørgrav [ERRFLAG="$ERRFLAG -errfmt"]) 1687b5038d7SDag-Erling Smørgrav]) 1697b5038d7SDag-Erling Smørgrav 1707b5038d7SDag-Erling Smørgravdnl Routine to help check for needed compiler flags. 1717b5038d7SDag-Erling Smørgravdnl $1: flags for CC 1727b5038d7SDag-Erling Smørgravdnl $2: the includes and code 1737b5038d7SDag-Erling Smørgravdnl $3: if the given code only compiles with the flag, execute argument 3 1747b5038d7SDag-Erling Smørgravdnl $4: if the given code compiles without the flag, execute argument 4 1757b5038d7SDag-Erling Smørgravdnl $5: with and without flag the compile fails, execute argument 5. 1767b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_COMPILER_FLAG_NEEDED], 1777b5038d7SDag-Erling Smørgrav[ 1787b5038d7SDag-Erling SmørgravAC_REQUIRE([AC_PROG_CC]) 1797b5038d7SDag-Erling SmørgravAC_REQUIRE([ACX_CHECK_ERROR_FLAGS]) 1807b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(whether we need $1 as a flag for $CC) 1817b5038d7SDag-Erling Smørgravcache=AS_TR_SH($1) 1827b5038d7SDag-Erling Smørgravdnl cache=`echo $1 | sed 'y%.=/+- %___p__%'` 1837b5038d7SDag-Erling SmørgravAC_CACHE_VAL(cv_prog_cc_flag_needed_$cache, 1847b5038d7SDag-Erling Smørgrav[ 1857b5038d7SDag-Erling Smørgravecho '$2' > conftest.c 1867b5038d7SDag-Erling Smørgravecho 'void f(){}' >>conftest.c 1877b5038d7SDag-Erling Smørgravif test -z "`$CC $CPPFLAGS $CFLAGS $ERRFLAG -c conftest.c 2>&1`"; then 1887b5038d7SDag-Erling Smørgraveval "cv_prog_cc_flag_needed_$cache=no" 1897b5038d7SDag-Erling Smørgravelse 1907b5038d7SDag-Erling Smørgrav[ 1917b5038d7SDag-Erling Smørgravif test -z "`$CC $CPPFLAGS $CFLAGS $1 $ERRFLAG -c conftest.c 2>&1`"; then 1927b5038d7SDag-Erling Smørgraveval "cv_prog_cc_flag_needed_$cache=yes" 1937b5038d7SDag-Erling Smørgravelse 1947b5038d7SDag-Erling Smørgraveval "cv_prog_cc_flag_needed_$cache=fail" 1957b5038d7SDag-Erling Smørgrav#echo 'Test with flag fails too!' 1967b5038d7SDag-Erling Smørgrav#cat conftest.c 1977b5038d7SDag-Erling Smørgrav#echo "$CC $CPPFLAGS $CFLAGS $1 $ERRFLAG -c conftest.c 2>&1" 1987b5038d7SDag-Erling Smørgrav#echo `$CC $CPPFLAGS $CFLAGS $1 $ERRFLAG -c conftest.c 2>&1` 1997b5038d7SDag-Erling Smørgrav#exit 1 2007b5038d7SDag-Erling Smørgravfi 2017b5038d7SDag-Erling Smørgrav] 2027b5038d7SDag-Erling Smørgravfi 2037b5038d7SDag-Erling Smørgravrm -f conftest conftest.c conftest.o 2047b5038d7SDag-Erling Smørgrav]) 2057b5038d7SDag-Erling Smørgravif eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = yes"; then 2067b5038d7SDag-Erling SmørgravAC_MSG_RESULT(yes) 2077b5038d7SDag-Erling Smørgrav: 2087b5038d7SDag-Erling Smørgrav$3 2097b5038d7SDag-Erling Smørgravelse 2107b5038d7SDag-Erling Smørgravif eval "test \"`echo '$cv_prog_cc_flag_needed_'$cache`\" = no"; then 2117b5038d7SDag-Erling SmørgravAC_MSG_RESULT(no) 2127b5038d7SDag-Erling Smørgrav#echo 'Test with flag is no!' 2137b5038d7SDag-Erling Smørgrav#cat conftest.c 2147b5038d7SDag-Erling Smørgrav#echo "$CC $CPPFLAGS $CFLAGS $1 $ERRFLAG -c conftest.c 2>&1" 2157b5038d7SDag-Erling Smørgrav#echo `$CC $CPPFLAGS $CFLAGS $1 $ERRFLAG -c conftest.c 2>&1` 2167b5038d7SDag-Erling Smørgrav#exit 1 2177b5038d7SDag-Erling Smørgrav: 2187b5038d7SDag-Erling Smørgrav$4 2197b5038d7SDag-Erling Smørgravelse 2207b5038d7SDag-Erling SmørgravAC_MSG_RESULT(failed) 2217b5038d7SDag-Erling Smørgrav: 2227b5038d7SDag-Erling Smørgrav$5 2237b5038d7SDag-Erling Smørgravfi 2247b5038d7SDag-Erling Smørgravfi 2257b5038d7SDag-Erling Smørgrav]) 2267b5038d7SDag-Erling Smørgrav 2277b5038d7SDag-Erling Smørgravdnl Check for CC dependency flag 2287b5038d7SDag-Erling Smørgravdnl DEPFLAG: set to flag that generates dependencies. 2297b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_DEPFLAG], 2307b5038d7SDag-Erling Smørgrav[ 2317b5038d7SDag-Erling SmørgravAC_MSG_CHECKING([$CC dependency flag]) 2327b5038d7SDag-Erling Smørgravecho 'void f(){}' >conftest.c 2337b5038d7SDag-Erling Smørgravif test "`$CC -MM conftest.c 2>&1`" = "conftest.o: conftest.c"; then 2347b5038d7SDag-Erling Smørgrav DEPFLAG="-MM" 2357b5038d7SDag-Erling Smørgravelse 2367b5038d7SDag-Erling Smørgrav if test "`$CC -xM1 conftest.c 2>&1`" = "conftest.o: conftest.c"; then 2377b5038d7SDag-Erling Smørgrav DEPFLAG="-xM1" 2387b5038d7SDag-Erling Smørgrav else 2397b5038d7SDag-Erling Smørgrav DEPFLAG="-MM" # dunno do something 2407b5038d7SDag-Erling Smørgrav fi 2417b5038d7SDag-Erling Smørgravfi 2427b5038d7SDag-Erling SmørgravAC_MSG_RESULT($DEPFLAG) 2437b5038d7SDag-Erling Smørgravrm -f conftest.c 2447b5038d7SDag-Erling SmørgravAC_SUBST(DEPFLAG) 2457b5038d7SDag-Erling Smørgrav]) 2467b5038d7SDag-Erling Smørgrav 2477b5038d7SDag-Erling Smørgravdnl Determine flags that gives POSIX and BSD functionality. 2487b5038d7SDag-Erling Smørgravdnl CFLAGS is modified for the result. 2497b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_DETERMINE_EXT_FLAGS_UNBOUND], 2507b5038d7SDag-Erling Smørgrav[ 2517b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG(std=c99, [C99FLAG="-std=c99"]) 2527b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG(xc99, [C99FLAG="-xc99"]) 2537b5038d7SDag-Erling Smørgrav 2547b5038d7SDag-Erling SmørgravAC_CHECK_HEADERS([getopt.h time.h],,, [AC_INCLUDES_DEFAULT]) 2557b5038d7SDag-Erling Smørgrav 256986ba33cSDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE, 2577b5038d7SDag-Erling Smørgrav[ 2587b5038d7SDag-Erling Smørgrav#include "confdefs.h" 2597b5038d7SDag-Erling Smørgrav#include <stdlib.h> 2607b5038d7SDag-Erling Smørgrav#include <ctype.h> 2617b5038d7SDag-Erling Smørgrav#include <sys/time.h> 2627b5038d7SDag-Erling Smørgrav#ifdef HAVE_TIME_H 2637b5038d7SDag-Erling Smørgrav#include <time.h> 2647b5038d7SDag-Erling Smørgrav#endif 2657b5038d7SDag-Erling Smørgrav#include <unistd.h> 2667b5038d7SDag-Erling Smørgrav#include <netdb.h> 2677b5038d7SDag-Erling Smørgrav#ifdef HAVE_GETOPT_H 2687b5038d7SDag-Erling Smørgrav#include <getopt.h> 2697b5038d7SDag-Erling Smørgrav#endif 2707b5038d7SDag-Erling Smørgrav 2717b5038d7SDag-Erling Smørgravint test() { 2727b5038d7SDag-Erling Smørgrav int a; 2737b5038d7SDag-Erling Smørgrav char **opts = NULL; 2747b5038d7SDag-Erling Smørgrav struct timeval tv; 2757b5038d7SDag-Erling Smørgrav char *t; 2767b5038d7SDag-Erling Smørgrav time_t time = 0; 2777b5038d7SDag-Erling Smørgrav char *buf = NULL; 2787b5038d7SDag-Erling Smørgrav const char* str = NULL; 2797b5038d7SDag-Erling Smørgrav struct msghdr msg; 2807b5038d7SDag-Erling Smørgrav msg.msg_control = 0; 2817b5038d7SDag-Erling Smørgrav t = ctime_r(&time, buf); 2827b5038d7SDag-Erling Smørgrav tv.tv_usec = 10; 2837b5038d7SDag-Erling Smørgrav srandom(32); 2847b5038d7SDag-Erling Smørgrav a = getopt(2, opts, "a"); 2857b5038d7SDag-Erling Smørgrav a = isascii(32); 2867b5038d7SDag-Erling Smørgrav str = gai_strerror(0); 2877b5038d7SDag-Erling Smørgrav if(str && t && tv.tv_usec && msg.msg_control) 2887b5038d7SDag-Erling Smørgrav a = 0; 2897b5038d7SDag-Erling Smørgrav return a; 2907b5038d7SDag-Erling Smørgrav} 291986ba33cSDag-Erling Smørgrav], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE"]) 2927b5038d7SDag-Erling Smørgrav 293986ba33cSDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE, 2947b5038d7SDag-Erling Smørgrav[ 2957b5038d7SDag-Erling Smørgrav#include "confdefs.h" 2967b5038d7SDag-Erling Smørgrav#include <stdlib.h> 2977b5038d7SDag-Erling Smørgrav#include <ctype.h> 2987b5038d7SDag-Erling Smørgrav#include <sys/time.h> 2997b5038d7SDag-Erling Smørgrav#ifdef HAVE_TIME_H 3007b5038d7SDag-Erling Smørgrav#include <time.h> 3017b5038d7SDag-Erling Smørgrav#endif 3027b5038d7SDag-Erling Smørgrav#include <unistd.h> 3037b5038d7SDag-Erling Smørgrav#include <netdb.h> 3047b5038d7SDag-Erling Smørgrav#ifdef HAVE_GETOPT_H 3057b5038d7SDag-Erling Smørgrav#include <getopt.h> 3067b5038d7SDag-Erling Smørgrav#endif 3077b5038d7SDag-Erling Smørgrav 3087b5038d7SDag-Erling Smørgravint test() { 3097b5038d7SDag-Erling Smørgrav int a; 3107b5038d7SDag-Erling Smørgrav char **opts = NULL; 3117b5038d7SDag-Erling Smørgrav struct timeval tv; 3127b5038d7SDag-Erling Smørgrav char *t; 3137b5038d7SDag-Erling Smørgrav time_t time = 0; 3147b5038d7SDag-Erling Smørgrav char *buf = NULL; 3157b5038d7SDag-Erling Smørgrav const char* str = NULL; 3167b5038d7SDag-Erling Smørgrav struct msghdr msg; 3177b5038d7SDag-Erling Smørgrav msg.msg_control = 0; 3187b5038d7SDag-Erling Smørgrav t = ctime_r(&time, buf); 3197b5038d7SDag-Erling Smørgrav tv.tv_usec = 10; 3207b5038d7SDag-Erling Smørgrav srandom(32); 3217b5038d7SDag-Erling Smørgrav a = getopt(2, opts, "a"); 3227b5038d7SDag-Erling Smørgrav a = isascii(32); 3237b5038d7SDag-Erling Smørgrav str = gai_strerror(0); 3247b5038d7SDag-Erling Smørgrav if(str && t && tv.tv_usec && msg.msg_control) 3257b5038d7SDag-Erling Smørgrav a = 0; 3267b5038d7SDag-Erling Smørgrav return a; 3277b5038d7SDag-Erling Smørgrav} 328986ba33cSDag-Erling Smørgrav], [CFLAGS="$CFLAGS $C99FLAG -D__EXTENSIONS__ -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE"]) 3297b5038d7SDag-Erling Smørgrav 3307b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED($C99FLAG, 3317b5038d7SDag-Erling Smørgrav[ 3327b5038d7SDag-Erling Smørgrav#include <stdbool.h> 3337b5038d7SDag-Erling Smørgrav#include <ctype.h> 3347b5038d7SDag-Erling Smørgravint test() { 3357b5038d7SDag-Erling Smørgrav int a = 0; 3367b5038d7SDag-Erling Smørgrav return a; 3377b5038d7SDag-Erling Smørgrav} 3387b5038d7SDag-Erling Smørgrav], [CFLAGS="$CFLAGS $C99FLAG"]) 3397b5038d7SDag-Erling Smørgrav 340986ba33cSDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED(-D_BSD_SOURCE -D_DEFAULT_SOURCE, 3417b5038d7SDag-Erling Smørgrav[ 3427b5038d7SDag-Erling Smørgrav#include <ctype.h> 3437b5038d7SDag-Erling Smørgrav 3447b5038d7SDag-Erling Smørgravint test() { 3457b5038d7SDag-Erling Smørgrav int a; 3467b5038d7SDag-Erling Smørgrav a = isascii(32); 3477b5038d7SDag-Erling Smørgrav return a; 3487b5038d7SDag-Erling Smørgrav} 349986ba33cSDag-Erling Smørgrav], [CFLAGS="$CFLAGS -D_BSD_SOURCE -D_DEFAULT_SOURCE"]) 3507b5038d7SDag-Erling Smørgrav 3517b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED(-D_GNU_SOURCE, 3527b5038d7SDag-Erling Smørgrav[ 3537b5038d7SDag-Erling Smørgrav#include <netinet/in.h> 3547b5038d7SDag-Erling Smørgrav 3557b5038d7SDag-Erling Smørgravint test() { 3567b5038d7SDag-Erling Smørgrav struct in6_pktinfo inf; 3577b5038d7SDag-Erling Smørgrav int a = (int)sizeof(inf); 3587b5038d7SDag-Erling Smørgrav return a; 3597b5038d7SDag-Erling Smørgrav} 3607b5038d7SDag-Erling Smørgrav], [CFLAGS="$CFLAGS -D_GNU_SOURCE"]) 3617b5038d7SDag-Erling Smørgrav 3627b5038d7SDag-Erling Smørgrav# check again for GNU_SOURCE for setresgid. May fail if setresgid 3637b5038d7SDag-Erling Smørgrav# is not available at all. -D_FRSRESGID is to make this check unique. 3647b5038d7SDag-Erling Smørgrav# otherwise we would get the previous cached result. 3657b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED(-D_GNU_SOURCE -D_FRSRESGID, 3667b5038d7SDag-Erling Smørgrav[ 3677b5038d7SDag-Erling Smørgrav#include <unistd.h> 3687b5038d7SDag-Erling Smørgrav 3697b5038d7SDag-Erling Smørgravint test() { 3707b5038d7SDag-Erling Smørgrav int a = setresgid(0,0,0); 3717b5038d7SDag-Erling Smørgrav a = setresuid(0,0,0); 3727b5038d7SDag-Erling Smørgrav return a; 3737b5038d7SDag-Erling Smørgrav} 3747b5038d7SDag-Erling Smørgrav], [CFLAGS="$CFLAGS -D_GNU_SOURCE"]) 3757b5038d7SDag-Erling Smørgrav 3767b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED(-D_POSIX_C_SOURCE=200112, 3777b5038d7SDag-Erling Smørgrav[ 3787b5038d7SDag-Erling Smørgrav#include "confdefs.h" 3797b5038d7SDag-Erling Smørgrav#ifdef HAVE_TIME_H 3807b5038d7SDag-Erling Smørgrav#include <time.h> 3817b5038d7SDag-Erling Smørgrav#endif 3827b5038d7SDag-Erling Smørgrav#include <netdb.h> 3837b5038d7SDag-Erling Smørgrav 3847b5038d7SDag-Erling Smørgravint test() { 3857b5038d7SDag-Erling Smørgrav int a = 0; 3867b5038d7SDag-Erling Smørgrav char *t; 3877b5038d7SDag-Erling Smørgrav time_t time = 0; 3887b5038d7SDag-Erling Smørgrav char *buf = NULL; 3897b5038d7SDag-Erling Smørgrav const char* str = NULL; 3907b5038d7SDag-Erling Smørgrav t = ctime_r(&time, buf); 3917b5038d7SDag-Erling Smørgrav str = gai_strerror(0); 3927b5038d7SDag-Erling Smørgrav if(t && str) 3937b5038d7SDag-Erling Smørgrav a = 0; 3947b5038d7SDag-Erling Smørgrav return a; 3957b5038d7SDag-Erling Smørgrav} 3967b5038d7SDag-Erling Smørgrav], [CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=200112"]) 3977b5038d7SDag-Erling Smørgrav 3987b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED(-D__EXTENSIONS__, 3997b5038d7SDag-Erling Smørgrav[ 4007b5038d7SDag-Erling Smørgrav#include "confdefs.h" 4017b5038d7SDag-Erling Smørgrav#include <stdlib.h> 4027b5038d7SDag-Erling Smørgrav#include <ctype.h> 4037b5038d7SDag-Erling Smørgrav#include <sys/time.h> 4047b5038d7SDag-Erling Smørgrav#ifdef HAVE_TIME_H 4057b5038d7SDag-Erling Smørgrav#include <time.h> 4067b5038d7SDag-Erling Smørgrav#endif 4077b5038d7SDag-Erling Smørgrav#include <unistd.h> 4087b5038d7SDag-Erling Smørgrav#ifdef HAVE_GETOPT_H 4097b5038d7SDag-Erling Smørgrav#include <getopt.h> 4107b5038d7SDag-Erling Smørgrav#endif 4117b5038d7SDag-Erling Smørgrav 4127b5038d7SDag-Erling Smørgravint test() { 4137b5038d7SDag-Erling Smørgrav int a; 4147b5038d7SDag-Erling Smørgrav char **opts = NULL; 4157b5038d7SDag-Erling Smørgrav struct timeval tv; 4167b5038d7SDag-Erling Smørgrav tv.tv_usec = 10; 4177b5038d7SDag-Erling Smørgrav srandom(32); 4187b5038d7SDag-Erling Smørgrav a = getopt(2, opts, "a"); 4197b5038d7SDag-Erling Smørgrav a = isascii(32); 4207b5038d7SDag-Erling Smørgrav if(tv.tv_usec) 4217b5038d7SDag-Erling Smørgrav a = 0; 4227b5038d7SDag-Erling Smørgrav return a; 4237b5038d7SDag-Erling Smørgrav} 4247b5038d7SDag-Erling Smørgrav], [CFLAGS="$CFLAGS -D__EXTENSIONS__"]) 4257b5038d7SDag-Erling Smørgrav 4267b5038d7SDag-Erling Smørgrav])dnl End of ACX_DETERMINE_EXT_FLAGS_UNBOUND 4277b5038d7SDag-Erling Smørgrav 4287b5038d7SDag-Erling Smørgravdnl Check if CC supports -flto. 4297b5038d7SDag-Erling Smørgravdnl in a way that supports clang and suncc (that flag does something else, 4307b5038d7SDag-Erling Smørgravdnl but fails to link). It sets it in CFLAGS if it works. 43117d15b25SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_FLTO], [ 43217d15b25SDag-Erling Smørgrav AC_ARG_ENABLE([flto], AS_HELP_STRING([--disable-flto], [Disable link-time optimization (gcc specific option)])) 43317d15b25SDag-Erling Smørgrav AS_IF([test "x$enable_flto" != "xno"], [ 43417d15b25SDag-Erling Smørgrav AC_MSG_CHECKING([if $CC supports -flto]) 4357b5038d7SDag-Erling Smørgrav BAKCFLAGS="$CFLAGS" 4367b5038d7SDag-Erling Smørgrav CFLAGS="$CFLAGS -flto" 4377b5038d7SDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [ 438986ba33cSDag-Erling Smørgrav if $CC $CFLAGS -o conftest conftest.c 2>&1 | $GREP -e "warning: no debug symbols in executable" -e "warning: object" >/dev/null; then 4397b5038d7SDag-Erling Smørgrav CFLAGS="$BAKCFLAGS" 4407b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(no) 4417b5038d7SDag-Erling Smørgrav else 4427b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(yes) 4437b5038d7SDag-Erling Smørgrav fi 4447b5038d7SDag-Erling Smørgrav rm -f conftest conftest.c conftest.o 4457b5038d7SDag-Erling Smørgrav ], [CFLAGS="$BAKCFLAGS" ; AC_MSG_RESULT(no)]) 4467b5038d7SDag-Erling Smørgrav ]) 44717d15b25SDag-Erling Smørgrav]) 4487b5038d7SDag-Erling Smørgrav 4497b5038d7SDag-Erling Smørgravdnl Check the printf-format attribute (if any) 4507b5038d7SDag-Erling Smørgravdnl result in HAVE_ATTR_FORMAT. 4517b5038d7SDag-Erling Smørgravdnl Make sure you also include the AHX_CONFIG_FORMAT_ATTRIBUTE. 4527b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_FORMAT_ATTRIBUTE], 4537b5038d7SDag-Erling Smørgrav[AC_REQUIRE([AC_PROG_CC]) 4547b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "format" attribute) 4557b5038d7SDag-Erling SmørgravAC_CACHE_VAL(ac_cv_c_format_attribute, 4567b5038d7SDag-Erling Smørgrav[ac_cv_c_format_attribute=no 457*5afab0e5SDag-Erling SmørgravAC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> 4587b5038d7SDag-Erling Smørgravvoid f (char *format, ...) __attribute__ ((format (printf, 1, 2))); 4597b5038d7SDag-Erling Smørgravvoid (*pf) (char *format, ...) __attribute__ ((format (printf, 1, 2))); 460*5afab0e5SDag-Erling Smørgrav]], [[ 4617b5038d7SDag-Erling Smørgrav f ("%s", "str"); 462*5afab0e5SDag-Erling Smørgrav]])],[ac_cv_c_format_attribute="yes"],[ac_cv_c_format_attribute="no"]) 4637b5038d7SDag-Erling Smørgrav]) 4647b5038d7SDag-Erling Smørgrav 4657b5038d7SDag-Erling SmørgravAC_MSG_RESULT($ac_cv_c_format_attribute) 4667b5038d7SDag-Erling Smørgravif test $ac_cv_c_format_attribute = yes; then 4677b5038d7SDag-Erling Smørgrav AC_DEFINE(HAVE_ATTR_FORMAT, 1, [Whether the C compiler accepts the "format" attribute]) 4687b5038d7SDag-Erling Smørgravfi 4697b5038d7SDag-Erling Smørgrav])dnl End of ACX_CHECK_FORMAT_ATTRIBUTE 4707b5038d7SDag-Erling Smørgrav 4717b5038d7SDag-Erling Smørgravdnl Setup ATTR_FORMAT config.h parts. 4727b5038d7SDag-Erling Smørgravdnl make sure you call ACX_CHECK_FORMAT_ATTRIBUTE also. 4737b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_FORMAT_ATTRIBUTE], 4747b5038d7SDag-Erling Smørgrav[ 4757b5038d7SDag-Erling Smørgrav#ifdef HAVE_ATTR_FORMAT 4767b5038d7SDag-Erling Smørgrav# define ATTR_FORMAT(archetype, string_index, first_to_check) \ 4777b5038d7SDag-Erling Smørgrav __attribute__ ((format (archetype, string_index, first_to_check))) 4787b5038d7SDag-Erling Smørgrav#else /* !HAVE_ATTR_FORMAT */ 4797b5038d7SDag-Erling Smørgrav# define ATTR_FORMAT(archetype, string_index, first_to_check) /* empty */ 4807b5038d7SDag-Erling Smørgrav#endif /* !HAVE_ATTR_FORMAT */ 4817b5038d7SDag-Erling Smørgrav]) 4827b5038d7SDag-Erling Smørgrav 4837b5038d7SDag-Erling Smørgravdnl Check how to mark function arguments as unused. 4847b5038d7SDag-Erling Smørgravdnl result in HAVE_ATTR_UNUSED. 4857b5038d7SDag-Erling Smørgravdnl Make sure you include AHX_CONFIG_UNUSED_ATTRIBUTE also. 4867b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_UNUSED_ATTRIBUTE], 4877b5038d7SDag-Erling Smørgrav[AC_REQUIRE([AC_PROG_CC]) 4887b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "unused" attribute) 4897b5038d7SDag-Erling SmørgravAC_CACHE_VAL(ac_cv_c_unused_attribute, 4907b5038d7SDag-Erling Smørgrav[ac_cv_c_unused_attribute=no 491*5afab0e5SDag-Erling SmørgravAC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> 4927b5038d7SDag-Erling Smørgravvoid f (char *u __attribute__((unused))); 493*5afab0e5SDag-Erling Smørgrav]], [[ 4947b5038d7SDag-Erling Smørgrav f ("x"); 495*5afab0e5SDag-Erling Smørgrav]])],[ac_cv_c_unused_attribute="yes"],[ac_cv_c_unused_attribute="no"]) 4967b5038d7SDag-Erling Smørgrav]) 4977b5038d7SDag-Erling Smørgrav 4987b5038d7SDag-Erling Smørgravdnl Setup ATTR_UNUSED config.h parts. 4997b5038d7SDag-Erling Smørgravdnl make sure you call ACX_CHECK_UNUSED_ATTRIBUTE also. 5007b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_UNUSED_ATTRIBUTE], 5017b5038d7SDag-Erling Smørgrav[ 5027b5038d7SDag-Erling Smørgrav#if defined(DOXYGEN) 5037b5038d7SDag-Erling Smørgrav# define ATTR_UNUSED(x) x 5047b5038d7SDag-Erling Smørgrav#elif defined(__cplusplus) 5057b5038d7SDag-Erling Smørgrav# define ATTR_UNUSED(x) 5067b5038d7SDag-Erling Smørgrav#elif defined(HAVE_ATTR_UNUSED) 5077b5038d7SDag-Erling Smørgrav# define ATTR_UNUSED(x) x __attribute__((unused)) 5087b5038d7SDag-Erling Smørgrav#else /* !HAVE_ATTR_UNUSED */ 5097b5038d7SDag-Erling Smørgrav# define ATTR_UNUSED(x) x 5107b5038d7SDag-Erling Smørgrav#endif /* !HAVE_ATTR_UNUSED */ 5117b5038d7SDag-Erling Smørgrav]) 5127b5038d7SDag-Erling Smørgrav 5137b5038d7SDag-Erling SmørgravAC_MSG_RESULT($ac_cv_c_unused_attribute) 5147b5038d7SDag-Erling Smørgravif test $ac_cv_c_unused_attribute = yes; then 5157b5038d7SDag-Erling Smørgrav AC_DEFINE(HAVE_ATTR_UNUSED, 1, [Whether the C compiler accepts the "unused" attribute]) 5167b5038d7SDag-Erling Smørgravfi 5177b5038d7SDag-Erling Smørgrav])dnl 5187b5038d7SDag-Erling Smørgrav 5197b5038d7SDag-Erling Smørgravdnl Pre-fun for ACX_LIBTOOL_C_ONLY 5207b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_LIBTOOL_C_PRE], [ 5217b5038d7SDag-Erling Smørgrav# skip these tests, we do not need them. 5227b5038d7SDag-Erling SmørgravAC_DEFUN([AC_PROG_F77], [:]) 5237b5038d7SDag-Erling SmørgravAC_DEFUN([AC_PROG_FC], [:]) 5247b5038d7SDag-Erling SmørgravAC_DEFUN([AC_PROG_CXX], [:]) 5257b5038d7SDag-Erling SmørgravAC_DEFUN([AC_PROG_CXXCPP], [:]) 5267b5038d7SDag-Erling SmørgravAC_DEFUN([AC_PROG_OBJC], [:]) 5277b5038d7SDag-Erling SmørgravAC_DEFUN([AC_PROG_OBJCCPP], [:]) 5287b5038d7SDag-Erling SmørgravAC_DEFUN([AC_LIBTOOL_CXX], [:]) 5297b5038d7SDag-Erling SmørgravAC_DEFUN([AC_LIBTOOL_F77], [:]) 5307b5038d7SDag-Erling Smørgrav# always use ./libtool unless override from commandline (libtool=mylibtool) 5317b5038d7SDag-Erling Smørgravif test -z "$libtool"; then 5327b5038d7SDag-Erling Smørgrav libtool="./libtool" 5337b5038d7SDag-Erling Smørgravfi 5347b5038d7SDag-Erling SmørgravAC_SUBST(libtool) 5357b5038d7SDag-Erling Smørgrav# avoid libtool max commandline length test on systems that fork slowly. 5367b5038d7SDag-Erling SmørgravAC_CANONICAL_HOST 5377b5038d7SDag-Erling Smørgravif echo "$host_os" | grep "sunos4" >/dev/null; then 5387b5038d7SDag-Erling Smørgrav lt_cv_sys_max_cmd_len=32750; 5397b5038d7SDag-Erling Smørgravfi 5407b5038d7SDag-Erling SmørgravAC_PATH_TOOL(AR, ar, [false]) 5417b5038d7SDag-Erling Smørgravif test $AR = false; then 5427b5038d7SDag-Erling Smørgrav AC_MSG_ERROR([Cannot find 'ar', please extend PATH to include it]) 5437b5038d7SDag-Erling Smørgravfi 5447b5038d7SDag-Erling Smørgrav]) 5457b5038d7SDag-Erling Smørgrav 5467b5038d7SDag-Erling Smørgravdnl Perform libtool check, portably, only for C 5477b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_LIBTOOL_C_ONLY], [ 5487b5038d7SDag-Erling Smørgravdnl as a requirement so that is gets called before LIBTOOL 5497b5038d7SDag-Erling Smørgravdnl because libtools 'AC_REQUIRE' names are right after this one, before 5507b5038d7SDag-Erling Smørgravdnl this function contents. 5517b5038d7SDag-Erling SmørgravAC_REQUIRE([ACX_LIBTOOL_C_PRE]) 552*5afab0e5SDag-Erling SmørgravLT_INIT 5537b5038d7SDag-Erling Smørgrav]) 5547b5038d7SDag-Erling Smørgrav 5557b5038d7SDag-Erling Smørgravdnl Detect if u_char type is defined, otherwise define it. 5567b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_TYPE_U_CHAR], 5577b5038d7SDag-Erling Smørgrav[AC_CHECK_TYPE([u_char], , 5587b5038d7SDag-Erling Smørgrav [AC_DEFINE([u_char], [unsigned char], [Define to 'unsigned char if not defined])], [ 5597b5038d7SDag-Erling SmørgravAC_INCLUDES_DEFAULT 5607b5038d7SDag-Erling Smørgrav#ifdef HAVE_WINSOCK2_H 5617b5038d7SDag-Erling Smørgrav# include <winsock2.h> 5627b5038d7SDag-Erling Smørgrav#endif 5637b5038d7SDag-Erling Smørgrav]) ]) 5647b5038d7SDag-Erling Smørgrav 5657b5038d7SDag-Erling Smørgravdnl Detect if rlim_t type is defined, otherwise define it. 5667b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_TYPE_RLIM_T], 5677b5038d7SDag-Erling Smørgrav[AC_CHECK_TYPE(rlim_t, , 5687b5038d7SDag-Erling Smørgrav [AC_DEFINE([rlim_t], [unsigned long], [Define to 'int' if not defined])], [ 5697b5038d7SDag-Erling SmørgravAC_INCLUDES_DEFAULT 5707b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_RESOURCE_H 5717b5038d7SDag-Erling Smørgrav# include <sys/resource.h> 5727b5038d7SDag-Erling Smørgrav#endif 5737b5038d7SDag-Erling Smørgrav]) ]) 5747b5038d7SDag-Erling Smørgrav 5757b5038d7SDag-Erling Smørgravdnl Detect if socklen_t type is defined, otherwise define it. 5767b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_TYPE_SOCKLEN_T], 5777b5038d7SDag-Erling Smørgrav[ 5787b5038d7SDag-Erling SmørgravAC_CHECK_TYPE(socklen_t, , 5797b5038d7SDag-Erling Smørgrav [AC_DEFINE([socklen_t], [int], [Define to 'int' if not defined])], [ 5807b5038d7SDag-Erling SmørgravAC_INCLUDES_DEFAULT 5817b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_SOCKET_H 5827b5038d7SDag-Erling Smørgrav# include <sys/socket.h> 5837b5038d7SDag-Erling Smørgrav#endif 5847b5038d7SDag-Erling Smørgrav#ifdef HAVE_WS2TCPIP_H 5857b5038d7SDag-Erling Smørgrav# include <ws2tcpip.h> 5867b5038d7SDag-Erling Smørgrav#endif 5877b5038d7SDag-Erling Smørgrav]) ]) 5887b5038d7SDag-Erling Smørgrav 5897b5038d7SDag-Erling Smørgravdnl Detect if in_addr_t type is defined, otherwise define it. 5907b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_TYPE_IN_ADDR_T], 5917b5038d7SDag-Erling Smørgrav[ AC_CHECK_TYPE(in_addr_t, [], [AC_DEFINE([in_addr_t], [uint32_t], [in_addr_t])], [ 5927b5038d7SDag-Erling SmørgravAC_INCLUDES_DEFAULT 5937b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_TYPES_H 5947b5038d7SDag-Erling Smørgrav# include <sys/types.h> 5957b5038d7SDag-Erling Smørgrav#endif 5967b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETINET_IN_H 5977b5038d7SDag-Erling Smørgrav# include <netinet/in.h> 5987b5038d7SDag-Erling Smørgrav#endif 5997b5038d7SDag-Erling Smørgrav]) ]) 6007b5038d7SDag-Erling Smørgrav 6017b5038d7SDag-Erling Smørgravdnl Detect if in_port_t type is defined, otherwise define it. 6027b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_TYPE_IN_PORT_T], 6037b5038d7SDag-Erling Smørgrav[ AC_CHECK_TYPE(in_port_t, [], [AC_DEFINE([in_port_t], [uint16_t], [in_port_t])], [ 6047b5038d7SDag-Erling SmørgravAC_INCLUDES_DEFAULT 6057b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_TYPES_H 6067b5038d7SDag-Erling Smørgrav# include <sys/types.h> 6077b5038d7SDag-Erling Smørgrav#endif 6087b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETINET_IN_H 6097b5038d7SDag-Erling Smørgrav# include <netinet/in.h> 6107b5038d7SDag-Erling Smørgrav#endif 6117b5038d7SDag-Erling Smørgrav]) ]) 6127b5038d7SDag-Erling Smørgrav 6137b5038d7SDag-Erling Smørgravdnl Add option to disable the evil rpath. Check whether to use rpath or not. 6147b5038d7SDag-Erling Smørgravdnl Adds the --disable-rpath option. Uses trick to edit the ./libtool. 6157b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_ARG_RPATH], 6167b5038d7SDag-Erling Smørgrav[ 6177b5038d7SDag-Erling SmørgravAC_ARG_ENABLE(rpath, 6187b5038d7SDag-Erling Smørgrav [ --disable-rpath disable hardcoded rpath (default=enabled)], 6197b5038d7SDag-Erling Smørgrav enable_rpath=$enableval, enable_rpath=yes) 6207b5038d7SDag-Erling Smørgravif test "x$enable_rpath" = xno; then 6217b5038d7SDag-Erling Smørgrav dnl AC_MSG_RESULT([Fixing libtool for -rpath problems.]) 6227b5038d7SDag-Erling Smørgrav AC_CONFIG_COMMANDS([disable-rpath], [ 6237b5038d7SDag-Erling Smørgrav sed < libtool > libtool-2 \ 6247b5038d7SDag-Erling Smørgrav 's/^hardcode_libdir_flag_spec.*$'/'hardcode_libdir_flag_spec=" -D__LIBTOOL_RPATH_SED__ "/' 6257b5038d7SDag-Erling Smørgrav mv libtool-2 libtool 6267b5038d7SDag-Erling Smørgrav chmod 755 libtool 6277b5038d7SDag-Erling Smørgrav libtool="./libtool" 6287b5038d7SDag-Erling Smørgrav ]) 6297b5038d7SDag-Erling Smørgravfi 6307b5038d7SDag-Erling Smørgrav]) 6317b5038d7SDag-Erling Smørgrav 6327b5038d7SDag-Erling Smørgravdnl Add a -R to the RUNTIME_PATH. Only if rpath is enabled and it is 6337b5038d7SDag-Erling Smørgravdnl an absolute path. 6347b5038d7SDag-Erling Smørgravdnl $1: the pathname to add. 6357b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_RUNTIME_PATH_ADD], [ 6367b5038d7SDag-Erling Smørgrav if test "x$enable_rpath" = xyes; then 6377b5038d7SDag-Erling Smørgrav if echo "$1" | grep "^/" >/dev/null; then 6387b5038d7SDag-Erling Smørgrav RUNTIME_PATH="$RUNTIME_PATH -R$1" 6397b5038d7SDag-Erling Smørgrav fi 6407b5038d7SDag-Erling Smørgrav fi 6417b5038d7SDag-Erling Smørgrav]) 6427b5038d7SDag-Erling Smørgrav 6437b5038d7SDag-Erling Smørgravdnl Common code for both ACX_WITH_SSL and ACX_WITH_SSL_OPTIONAL 6447b5038d7SDag-Erling Smørgravdnl Takes one argument; the withval checked in those 2 functions 6457b5038d7SDag-Erling Smørgravdnl sets up the environment for the given openssl path 6467b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_SSL_CHECKS], [ 6477b5038d7SDag-Erling Smørgrav withval=$1 6487b5038d7SDag-Erling Smørgrav if test x_$withval != x_no; then 6497b5038d7SDag-Erling Smørgrav AC_MSG_CHECKING(for SSL) 6507b5038d7SDag-Erling Smørgrav if test x_$withval = x_ -o x_$withval = x_yes; then 6517b5038d7SDag-Erling Smørgrav withval="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr" 6527b5038d7SDag-Erling Smørgrav fi 6537b5038d7SDag-Erling Smørgrav for dir in $withval; do 6547b5038d7SDag-Erling Smørgrav ssldir="$dir" 6557b5038d7SDag-Erling Smørgrav if test -f "$dir/include/openssl/ssl.h"; then 6567b5038d7SDag-Erling Smørgrav found_ssl="yes" 6577b5038d7SDag-Erling Smørgrav AC_DEFINE_UNQUOTED([HAVE_SSL], [], [Define if you have the SSL libraries installed.]) 6587b5038d7SDag-Erling Smørgrav dnl assume /usr/include is already in the include-path. 6597b5038d7SDag-Erling Smørgrav if test "$ssldir" != "/usr"; then 6607b5038d7SDag-Erling Smørgrav CPPFLAGS="$CPPFLAGS -I$ssldir/include" 6617b5038d7SDag-Erling Smørgrav LIBSSL_CPPFLAGS="$LIBSSL_CPPFLAGS -I$ssldir/include" 6627b5038d7SDag-Erling Smørgrav fi 6637b5038d7SDag-Erling Smørgrav break; 6647b5038d7SDag-Erling Smørgrav fi 6657b5038d7SDag-Erling Smørgrav done 6667b5038d7SDag-Erling Smørgrav if test x_$found_ssl != x_yes; then 6677b5038d7SDag-Erling Smørgrav AC_MSG_ERROR(Cannot find the SSL libraries in $withval) 6687b5038d7SDag-Erling Smørgrav else 6697b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(found in $ssldir) 6707b5038d7SDag-Erling Smørgrav HAVE_SSL=yes 6717b5038d7SDag-Erling Smørgrav dnl assume /usr is already in the lib and dynlib paths. 6727b5038d7SDag-Erling Smørgrav if test "$ssldir" != "/usr" -a "$ssldir" != ""; then 673*5afab0e5SDag-Erling Smørgrav if test ! -d "$ssldir/lib" -a -d "$ssldir/lib64"; then 674*5afab0e5SDag-Erling Smørgrav LDFLAGS="$LDFLAGS -L$ssldir/lib64" 675*5afab0e5SDag-Erling Smørgrav LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib64" 676*5afab0e5SDag-Erling Smørgrav ACX_RUNTIME_PATH_ADD([$ssldir/lib64]) 677*5afab0e5SDag-Erling Smørgrav else 6787b5038d7SDag-Erling Smørgrav LDFLAGS="$LDFLAGS -L$ssldir/lib" 6797b5038d7SDag-Erling Smørgrav LIBSSL_LDFLAGS="$LIBSSL_LDFLAGS -L$ssldir/lib" 6807b5038d7SDag-Erling Smørgrav ACX_RUNTIME_PATH_ADD([$ssldir/lib]) 6817b5038d7SDag-Erling Smørgrav fi 682*5afab0e5SDag-Erling Smørgrav fi 6837b5038d7SDag-Erling Smørgrav 684*5afab0e5SDag-Erling Smørgrav AC_MSG_CHECKING([for EVP_sha256 in -lcrypto]) 6857b5038d7SDag-Erling Smørgrav LIBS="$LIBS -lcrypto" 6867b5038d7SDag-Erling Smørgrav LIBSSL_LIBS="$LIBSSL_LIBS -lcrypto" 687*5afab0e5SDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 688*5afab0e5SDag-Erling Smørgrav int EVP_sha256(void); 689*5afab0e5SDag-Erling Smørgrav (void)EVP_sha256(); 690*5afab0e5SDag-Erling Smørgrav ]])],[ 6917b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(yes) 692*5afab0e5SDag-Erling Smørgrav AC_DEFINE([HAVE_EVP_SHA256], 1, 693*5afab0e5SDag-Erling Smørgrav [If you have EVP_sha256]) 6947b5038d7SDag-Erling Smørgrav ],[ 6957b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(no) 6967b5038d7SDag-Erling Smørgrav # check if -lwsock32 or -lgdi32 are needed. 6977b5038d7SDag-Erling Smørgrav BAKLIBS="$LIBS" 6987b5038d7SDag-Erling Smørgrav BAKSSLLIBS="$LIBSSL_LIBS" 699*5afab0e5SDag-Erling Smørgrav LIBS="$LIBS -lgdi32 -lws2_32" 700*5afab0e5SDag-Erling Smørgrav LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32 -lws2_32" 7017b5038d7SDag-Erling Smørgrav AC_MSG_CHECKING([if -lcrypto needs -lgdi32]) 702*5afab0e5SDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 703*5afab0e5SDag-Erling Smørgrav int EVP_sha256(void); 704*5afab0e5SDag-Erling Smørgrav (void)EVP_sha256(); 705*5afab0e5SDag-Erling Smørgrav ]])],[ 706*5afab0e5SDag-Erling Smørgrav AC_DEFINE([HAVE_EVP_SHA256], 1, 707*5afab0e5SDag-Erling Smørgrav [If you have EVP_sha256]) 7087b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(yes) 7097b5038d7SDag-Erling Smørgrav ],[ 7107b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(no) 7117b5038d7SDag-Erling Smørgrav LIBS="$BAKLIBS" 7127b5038d7SDag-Erling Smørgrav LIBSSL_LIBS="$BAKSSLLIBS" 7137b5038d7SDag-Erling Smørgrav LIBS="$LIBS -ldl" 7147b5038d7SDag-Erling Smørgrav LIBSSL_LIBS="$LIBSSL_LIBS -ldl" 7157b5038d7SDag-Erling Smørgrav AC_MSG_CHECKING([if -lcrypto needs -ldl]) 716*5afab0e5SDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 717*5afab0e5SDag-Erling Smørgrav int EVP_sha256(void); 718*5afab0e5SDag-Erling Smørgrav (void)EVP_sha256(); 719*5afab0e5SDag-Erling Smørgrav ]])],[ 720*5afab0e5SDag-Erling Smørgrav AC_DEFINE([HAVE_EVP_SHA256], 1, 721*5afab0e5SDag-Erling Smørgrav [If you have EVP_sha256]) 722986ba33cSDag-Erling Smørgrav AC_MSG_RESULT(yes) 723986ba33cSDag-Erling Smørgrav ],[ 724986ba33cSDag-Erling Smørgrav AC_MSG_RESULT(no) 725986ba33cSDag-Erling Smørgrav LIBS="$BAKLIBS" 726986ba33cSDag-Erling Smørgrav LIBSSL_LIBS="$BAKSSLLIBS" 727986ba33cSDag-Erling Smørgrav LIBS="$LIBS -ldl -pthread" 728986ba33cSDag-Erling Smørgrav LIBSSL_LIBS="$LIBSSL_LIBS -ldl -pthread" 729986ba33cSDag-Erling Smørgrav AC_MSG_CHECKING([if -lcrypto needs -ldl -pthread]) 730*5afab0e5SDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 731*5afab0e5SDag-Erling Smørgrav int EVP_sha256(void); 732*5afab0e5SDag-Erling Smørgrav (void)EVP_sha256(); 733*5afab0e5SDag-Erling Smørgrav ]])],[ 734*5afab0e5SDag-Erling Smørgrav AC_DEFINE([HAVE_EVP_SHA256], 1, 735*5afab0e5SDag-Erling Smørgrav [If you have EVP_sha256]) 7367b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(yes) 7377b5038d7SDag-Erling Smørgrav ],[ 7387b5038d7SDag-Erling Smørgrav AC_MSG_RESULT(no) 7397b5038d7SDag-Erling Smørgrav AC_MSG_ERROR([OpenSSL found in $ssldir, but version 0.9.7 or higher is required]) 7407b5038d7SDag-Erling Smørgrav ]) 7417b5038d7SDag-Erling Smørgrav ]) 7427b5038d7SDag-Erling Smørgrav ]) 743986ba33cSDag-Erling Smørgrav ]) 7447b5038d7SDag-Erling Smørgrav fi 7457b5038d7SDag-Erling Smørgrav AC_SUBST(HAVE_SSL) 7467b5038d7SDag-Erling Smørgrav AC_SUBST(RUNTIME_PATH) 7477b5038d7SDag-Erling Smørgrav fi 7487b5038d7SDag-Erling SmørgravAC_CHECK_HEADERS([openssl/ssl.h],,, [AC_INCLUDES_DEFAULT]) 7497b5038d7SDag-Erling SmørgravAC_CHECK_HEADERS([openssl/err.h],,, [AC_INCLUDES_DEFAULT]) 7507b5038d7SDag-Erling SmørgravAC_CHECK_HEADERS([openssl/rand.h],,, [AC_INCLUDES_DEFAULT]) 7517b5038d7SDag-Erling Smørgrav])dnl End of ACX_SSL_CHECKS 7527b5038d7SDag-Erling Smørgrav 7537b5038d7SDag-Erling Smørgravdnl Check for SSL, where SSL is mandatory 7547b5038d7SDag-Erling Smørgravdnl Adds --with-ssl option, searches for openssl and defines HAVE_SSL if found 7557b5038d7SDag-Erling Smørgravdnl Setup of CPPFLAGS, CFLAGS. Adds -lcrypto to LIBS. 7567b5038d7SDag-Erling Smørgravdnl Checks main header files of SSL. 7577b5038d7SDag-Erling Smørgravdnl 7587b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_WITH_SSL], 7597b5038d7SDag-Erling Smørgrav[ 760*5afab0e5SDag-Erling SmørgravAC_ARG_WITH(ssl, AS_HELP_STRING([--with-ssl=pathname],[enable SSL (will check /usr/local/ssl 7617b5038d7SDag-Erling Smørgrav /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr)]),[ 7627b5038d7SDag-Erling Smørgrav ],[ 7637b5038d7SDag-Erling Smørgrav withval="yes" 7647b5038d7SDag-Erling Smørgrav ]) 7657b5038d7SDag-Erling Smørgrav if test x_$withval = x_no; then 7667b5038d7SDag-Erling Smørgrav AC_MSG_ERROR([Need SSL library to do digital signature cryptography]) 7677b5038d7SDag-Erling Smørgrav fi 7687b5038d7SDag-Erling Smørgrav ACX_SSL_CHECKS($withval) 7697b5038d7SDag-Erling Smørgrav])dnl End of ACX_WITH_SSL 7707b5038d7SDag-Erling Smørgrav 7717b5038d7SDag-Erling Smørgravdnl Check for SSL, where ssl is optional (--without-ssl is allowed) 7727b5038d7SDag-Erling Smørgravdnl Adds --with-ssl option, searches for openssl and defines HAVE_SSL if found 7737b5038d7SDag-Erling Smørgravdnl Setup of CPPFLAGS, CFLAGS. Adds -lcrypto to LIBS. 7747b5038d7SDag-Erling Smørgravdnl Checks main header files of SSL. 7757b5038d7SDag-Erling Smørgravdnl 7767b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_WITH_SSL_OPTIONAL], 7777b5038d7SDag-Erling Smørgrav[ 778*5afab0e5SDag-Erling SmørgravAC_ARG_WITH(ssl, AS_HELP_STRING([--with-ssl=pathname],[enable SSL (will check /usr/local/ssl 7797b5038d7SDag-Erling Smørgrav /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw /usr)]),[ 7807b5038d7SDag-Erling Smørgrav ],[ 7817b5038d7SDag-Erling Smørgrav withval="yes" 7827b5038d7SDag-Erling Smørgrav ]) 7837b5038d7SDag-Erling Smørgrav ACX_SSL_CHECKS($withval) 7847b5038d7SDag-Erling Smørgrav])dnl End of ACX_WITH_SSL_OPTIONAL 7857b5038d7SDag-Erling Smørgrav 7867b5038d7SDag-Erling Smørgravdnl Setup to use -lssl 7877b5038d7SDag-Erling Smørgravdnl To use -lcrypto, use the ACX_WITH_SSL setup (before this one). 7887b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_LIB_SSL], 7897b5038d7SDag-Erling Smørgrav[ 7907b5038d7SDag-Erling Smørgrav# check if libssl needs libdl 7917b5038d7SDag-Erling SmørgravBAKLIBS="$LIBS" 7927b5038d7SDag-Erling SmørgravLIBS="-lssl $LIBS" 7937b5038d7SDag-Erling SmørgravAC_MSG_CHECKING([if libssl needs libdl]) 7947b5038d7SDag-Erling SmørgravAC_TRY_LINK_FUNC([SSL_CTX_new], [ 7957b5038d7SDag-Erling Smørgrav AC_MSG_RESULT([no]) 7967b5038d7SDag-Erling Smørgrav LIBS="$BAKLIBS" 7977b5038d7SDag-Erling Smørgrav] , [ 7987b5038d7SDag-Erling Smørgrav AC_MSG_RESULT([yes]) 7997b5038d7SDag-Erling Smørgrav LIBS="$BAKLIBS" 8007b5038d7SDag-Erling Smørgrav AC_SEARCH_LIBS([dlopen], [dl]) 8017b5038d7SDag-Erling Smørgrav]) ])dnl End of ACX_LIB_SSL 8027b5038d7SDag-Erling Smørgrav 8037b5038d7SDag-Erling Smørgravdnl Setup to use very large files (>2Gb). 8047b5038d7SDag-Erling Smørgravdnl setups fseeko and its own 8057b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_SYS_LARGEFILE], 8067b5038d7SDag-Erling Smørgrav[ 8077b5038d7SDag-Erling SmørgravAC_SYS_LARGEFILE 8087b5038d7SDag-Erling Smørgravdnl try to see if an additional _LARGEFILE_SOURCE 1 is needed to get fseeko 8097b5038d7SDag-Erling SmørgravACX_CHECK_COMPILER_FLAG_NEEDED(-D_LARGEFILE_SOURCE=1, 8107b5038d7SDag-Erling Smørgrav[ 8117b5038d7SDag-Erling Smørgrav#include <stdio.h> 8127b5038d7SDag-Erling Smørgravint test() { 8137b5038d7SDag-Erling Smørgrav int a = fseeko(stdin, 0, 0); 8147b5038d7SDag-Erling Smørgrav return a; 8157b5038d7SDag-Erling Smørgrav} 8167b5038d7SDag-Erling Smørgrav], [CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE=1"]) 8177b5038d7SDag-Erling Smørgrav]) 8187b5038d7SDag-Erling Smørgrav 8197b5038d7SDag-Erling Smørgravdnl Check getaddrinfo. 8207b5038d7SDag-Erling Smørgravdnl Works on linux, solaris, bsd and windows(links winsock). 8217b5038d7SDag-Erling Smørgravdnl defines HAVE_GETADDRINFO, USE_WINSOCK. 8227b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_GETADDRINFO_WITH_INCLUDES], 8237b5038d7SDag-Erling Smørgrav[AC_REQUIRE([AC_PROG_CC]) 8247b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(for getaddrinfo) 8257b5038d7SDag-Erling Smørgravac_cv_func_getaddrinfo=no 8267b5038d7SDag-Erling SmørgravAC_LINK_IFELSE( 8277b5038d7SDag-Erling Smørgrav[AC_LANG_SOURCE([[ 8287b5038d7SDag-Erling Smørgrav#ifdef __cplusplus 8297b5038d7SDag-Erling Smørgravextern "C" 8307b5038d7SDag-Erling Smørgrav{ 8317b5038d7SDag-Erling Smørgrav#endif 8327b5038d7SDag-Erling Smørgravchar* getaddrinfo(); 8337b5038d7SDag-Erling Smørgravchar* (*f) () = getaddrinfo; 8347b5038d7SDag-Erling Smørgrav#ifdef __cplusplus 8357b5038d7SDag-Erling Smørgrav} 8367b5038d7SDag-Erling Smørgrav#endif 8377b5038d7SDag-Erling Smørgravint main() { 8387b5038d7SDag-Erling Smørgrav ; 8397b5038d7SDag-Erling Smørgrav return 0; 8407b5038d7SDag-Erling Smørgrav} 8417b5038d7SDag-Erling Smørgrav]])], 8427b5038d7SDag-Erling Smørgravdnl this case on linux, solaris, bsd 8437b5038d7SDag-Erling Smørgrav[ac_cv_func_getaddrinfo="yes" 8447b5038d7SDag-Erling Smørgravdnl see if on windows 8457b5038d7SDag-Erling Smørgravif test "$ac_cv_header_windows_h" = "yes"; then 8467b5038d7SDag-Erling Smørgrav AC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used]) 8477b5038d7SDag-Erling Smørgrav USE_WINSOCK="1" 848*5afab0e5SDag-Erling Smørgrav if echo $LIBS | grep 'lws2_32' >/dev/null; then 849*5afab0e5SDag-Erling Smørgrav : 850*5afab0e5SDag-Erling Smørgrav else 8517b5038d7SDag-Erling Smørgrav LIBS="$LIBS -lws2_32" 8527b5038d7SDag-Erling Smørgrav fi 853*5afab0e5SDag-Erling Smørgravfi 8547b5038d7SDag-Erling Smørgrav], 8557b5038d7SDag-Erling Smørgravdnl no quick getaddrinfo, try mingw32 and winsock2 library. 8567b5038d7SDag-Erling SmørgravORIGLIBS="$LIBS" 8577b5038d7SDag-Erling SmørgravLIBS="$LIBS -lws2_32" 8587b5038d7SDag-Erling SmørgravAC_LINK_IFELSE( 8597b5038d7SDag-Erling Smørgrav[AC_LANG_PROGRAM( 8607b5038d7SDag-Erling Smørgrav[ 8617b5038d7SDag-Erling Smørgrav#ifdef HAVE_WS2TCPIP_H 8627b5038d7SDag-Erling Smørgrav#include <ws2tcpip.h> 8637b5038d7SDag-Erling Smørgrav#endif 8647b5038d7SDag-Erling Smørgrav], 8657b5038d7SDag-Erling Smørgrav[ 8667b5038d7SDag-Erling Smørgrav (void)getaddrinfo(NULL, NULL, NULL, NULL); 8677b5038d7SDag-Erling Smørgrav] 8687b5038d7SDag-Erling Smørgrav)], 8697b5038d7SDag-Erling Smørgrav[ 8707b5038d7SDag-Erling Smørgravac_cv_func_getaddrinfo="yes" 8717b5038d7SDag-Erling Smørgravdnl already: LIBS="$LIBS -lws2_32" 8727b5038d7SDag-Erling SmørgravAC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used]) 8737b5038d7SDag-Erling SmørgravUSE_WINSOCK="1" 8747b5038d7SDag-Erling Smørgrav], 8757b5038d7SDag-Erling Smørgrav[ 8767b5038d7SDag-Erling Smørgravac_cv_func_getaddrinfo="no" 8777b5038d7SDag-Erling SmørgravLIBS="$ORIGLIBS" 8787b5038d7SDag-Erling Smørgrav]) 8797b5038d7SDag-Erling Smørgrav) 8807b5038d7SDag-Erling Smørgrav 8817b5038d7SDag-Erling SmørgravAC_MSG_RESULT($ac_cv_func_getaddrinfo) 8827b5038d7SDag-Erling Smørgravif test $ac_cv_func_getaddrinfo = yes; then 8837b5038d7SDag-Erling Smørgrav AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether getaddrinfo is available]) 8847b5038d7SDag-Erling Smørgravfi 8857b5038d7SDag-Erling Smørgrav])dnl Endof AC_CHECK_GETADDRINFO_WITH_INCLUDES 8867b5038d7SDag-Erling Smørgrav 8877b5038d7SDag-Erling Smørgravdnl check if a function is deprecated. defines DEPRECATED_func in config.h. 8887b5038d7SDag-Erling Smørgravdnl $1: function name 8897b5038d7SDag-Erling Smørgravdnl $2: C-statement that calls the function. 8907b5038d7SDag-Erling Smørgravdnl $3: includes for the program. 8917b5038d7SDag-Erling Smørgravdnl $4: executes if yes 8927b5038d7SDag-Erling Smørgravdnl $5: executes if no 8937b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_FUNC_DEPRECATED], 8947b5038d7SDag-Erling Smørgrav[ 8957b5038d7SDag-Erling SmørgravAC_REQUIRE([AC_PROG_CC]) 8967b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(if $1 is deprecated) 8977b5038d7SDag-Erling Smørgravcache=`echo $1 | sed 'y%.=/+-%___p_%'` 8987b5038d7SDag-Erling SmørgravAC_CACHE_VAL(cv_cc_deprecated_$cache, 8997b5038d7SDag-Erling Smørgrav[ 9007b5038d7SDag-Erling Smørgravecho '$3' >conftest.c 9017b5038d7SDag-Erling Smørgravecho 'void f(){ $2 }' >>conftest.c 902*5afab0e5SDag-Erling Smørgravif test -z "`$CC $CPPFLAGS $CFLAGS -c conftest.c 2>&1 | grep -e deprecated -e unavailable`"; then 9037b5038d7SDag-Erling Smørgraveval "cv_cc_deprecated_$cache=no" 9047b5038d7SDag-Erling Smørgravelse 9057b5038d7SDag-Erling Smørgraveval "cv_cc_deprecated_$cache=yes" 9067b5038d7SDag-Erling Smørgravfi 9077b5038d7SDag-Erling Smørgravrm -f conftest conftest.o conftest.c 9087b5038d7SDag-Erling Smørgrav]) 9097b5038d7SDag-Erling Smørgravif eval "test \"`echo '$cv_cc_deprecated_'$cache`\" = yes"; then 9107b5038d7SDag-Erling SmørgravAC_MSG_RESULT(yes) 9117b5038d7SDag-Erling SmørgravAC_DEFINE_UNQUOTED(AS_TR_CPP([DEPRECATED_$1]), 1, [Whether $1 is deprecated]) 9127b5038d7SDag-Erling Smørgrav: 9137b5038d7SDag-Erling Smørgrav$4 9147b5038d7SDag-Erling Smørgravelse 9157b5038d7SDag-Erling SmørgravAC_MSG_RESULT(no) 9167b5038d7SDag-Erling Smørgrav: 9177b5038d7SDag-Erling Smørgrav$5 9187b5038d7SDag-Erling Smørgravfi 9197b5038d7SDag-Erling Smørgrav])dnl end of ACX_FUNC_DEPRECATED 9207b5038d7SDag-Erling Smørgrav 9217b5038d7SDag-Erling Smørgravdnl check if select and nonblocking sockets actually work. 9227b5038d7SDag-Erling Smørgravdnl Needs fork(2) and select(2). 9237b5038d7SDag-Erling Smørgravdnl defines NONBLOCKING_IS_BROKEN, and if that is true multiple reads from 9247b5038d7SDag-Erling Smørgravdnl a nonblocking socket do not work, a new call to select is necessary. 9257b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_NONBLOCKING_BROKEN], 9267b5038d7SDag-Erling Smørgrav[ 9277b5038d7SDag-Erling SmørgravAC_MSG_CHECKING([if nonblocking sockets work]) 928*5afab0e5SDag-Erling Smørgravif echo $host | grep mingw >/dev/null; then 9297b5038d7SDag-Erling Smørgrav AC_MSG_RESULT([no (windows)]) 9307b5038d7SDag-Erling Smørgrav AC_DEFINE([NONBLOCKING_IS_BROKEN], 1, [Define if the network stack does not fully support nonblocking io (causes lower performance).]) 9317b5038d7SDag-Erling Smørgravelse 9327b5038d7SDag-Erling SmørgravAC_RUN_IFELSE([ 9337b5038d7SDag-Erling SmørgravAC_LANG_SOURCE([[ 9347b5038d7SDag-Erling Smørgrav#include <stdio.h> 9357b5038d7SDag-Erling Smørgrav#include <string.h> 9367b5038d7SDag-Erling Smørgrav#include <stdlib.h> 9377b5038d7SDag-Erling Smørgrav#include <fcntl.h> 9387b5038d7SDag-Erling Smørgrav#include <errno.h> 9397b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_TYPES_H 9407b5038d7SDag-Erling Smørgrav#include <sys/types.h> 9417b5038d7SDag-Erling Smørgrav#endif 9427b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_SOCKET_H 9437b5038d7SDag-Erling Smørgrav#include <sys/socket.h> 9447b5038d7SDag-Erling Smørgrav#endif 9457b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETINET_IN_H 9467b5038d7SDag-Erling Smørgrav#include <netinet/in.h> 9477b5038d7SDag-Erling Smørgrav#endif 9487b5038d7SDag-Erling Smørgrav#ifdef HAVE_ARPA_INET_H 9497b5038d7SDag-Erling Smørgrav#include <arpa/inet.h> 9507b5038d7SDag-Erling Smørgrav#endif 9517b5038d7SDag-Erling Smørgrav#ifdef HAVE_UNISTD_H 9527b5038d7SDag-Erling Smørgrav#include <unistd.h> 9537b5038d7SDag-Erling Smørgrav#endif 9547b5038d7SDag-Erling Smørgrav#ifdef HAVE_TIME_H 9557b5038d7SDag-Erling Smørgrav#include <time.h> 9567b5038d7SDag-Erling Smørgrav#endif 9577b5038d7SDag-Erling Smørgrav 9587b5038d7SDag-Erling Smørgravint main(void) 9597b5038d7SDag-Erling Smørgrav{ 9607b5038d7SDag-Erling Smørgrav int port; 9617b5038d7SDag-Erling Smørgrav int sfd, cfd; 9627b5038d7SDag-Erling Smørgrav int num = 10; 9637b5038d7SDag-Erling Smørgrav int i, p; 9647b5038d7SDag-Erling Smørgrav struct sockaddr_in a; 9657b5038d7SDag-Erling Smørgrav /* test if select and nonblocking reads work well together */ 9667b5038d7SDag-Erling Smørgrav /* open port. 9677b5038d7SDag-Erling Smørgrav fork child to send 10 messages. 9687b5038d7SDag-Erling Smørgrav select to read. 9697b5038d7SDag-Erling Smørgrav then try to nonblocking read the 10 messages 9707b5038d7SDag-Erling Smørgrav then, nonblocking read must give EAGAIN 9717b5038d7SDag-Erling Smørgrav */ 9727b5038d7SDag-Erling Smørgrav 9737b5038d7SDag-Erling Smørgrav port = 12345 + (time(0)%32); 9747b5038d7SDag-Erling Smørgrav sfd = socket(PF_INET, SOCK_DGRAM, 0); 9757b5038d7SDag-Erling Smørgrav if(sfd == -1) { 9767b5038d7SDag-Erling Smørgrav perror("socket"); 9777b5038d7SDag-Erling Smørgrav return 1; 9787b5038d7SDag-Erling Smørgrav } 9797b5038d7SDag-Erling Smørgrav memset(&a, 0, sizeof(a)); 9807b5038d7SDag-Erling Smørgrav a.sin_family = AF_INET; 9817b5038d7SDag-Erling Smørgrav a.sin_port = htons(port); 9827b5038d7SDag-Erling Smørgrav a.sin_addr.s_addr = inet_addr("127.0.0.1"); 9837b5038d7SDag-Erling Smørgrav if(bind(sfd, (struct sockaddr*)&a, sizeof(a)) < 0) { 9847b5038d7SDag-Erling Smørgrav perror("bind"); 9857b5038d7SDag-Erling Smørgrav return 1; 9867b5038d7SDag-Erling Smørgrav } 9877b5038d7SDag-Erling Smørgrav if(fcntl(sfd, F_SETFL, O_NONBLOCK) == -1) { 9887b5038d7SDag-Erling Smørgrav perror("fcntl"); 9897b5038d7SDag-Erling Smørgrav return 1; 9907b5038d7SDag-Erling Smørgrav } 9917b5038d7SDag-Erling Smørgrav 9927b5038d7SDag-Erling Smørgrav cfd = socket(PF_INET, SOCK_DGRAM, 0); 9937b5038d7SDag-Erling Smørgrav if(cfd == -1) { 9947b5038d7SDag-Erling Smørgrav perror("client socket"); 9957b5038d7SDag-Erling Smørgrav return 1; 9967b5038d7SDag-Erling Smørgrav } 9977b5038d7SDag-Erling Smørgrav a.sin_port = 0; 9987b5038d7SDag-Erling Smørgrav if(bind(cfd, (struct sockaddr*)&a, sizeof(a)) < 0) { 9997b5038d7SDag-Erling Smørgrav perror("client bind"); 10007b5038d7SDag-Erling Smørgrav return 1; 10017b5038d7SDag-Erling Smørgrav } 10027b5038d7SDag-Erling Smørgrav a.sin_port = htons(port); 10037b5038d7SDag-Erling Smørgrav 10047b5038d7SDag-Erling Smørgrav /* no handler, causes exit in 10 seconds */ 10057b5038d7SDag-Erling Smørgrav alarm(10); 10067b5038d7SDag-Erling Smørgrav 10077b5038d7SDag-Erling Smørgrav /* send and receive on the socket */ 10087b5038d7SDag-Erling Smørgrav if((p=fork()) == 0) { 10097b5038d7SDag-Erling Smørgrav for(i=0; i<num; i++) { 10107b5038d7SDag-Erling Smørgrav if(sendto(cfd, &i, sizeof(i), 0, 10117b5038d7SDag-Erling Smørgrav (struct sockaddr*)&a, sizeof(a)) < 0) { 10127b5038d7SDag-Erling Smørgrav perror("sendto"); 10137b5038d7SDag-Erling Smørgrav return 1; 10147b5038d7SDag-Erling Smørgrav } 10157b5038d7SDag-Erling Smørgrav } 10167b5038d7SDag-Erling Smørgrav } else { 10177b5038d7SDag-Erling Smørgrav /* parent */ 10187b5038d7SDag-Erling Smørgrav fd_set rset; 10197b5038d7SDag-Erling Smørgrav int x; 10207b5038d7SDag-Erling Smørgrav if(p == -1) { 10217b5038d7SDag-Erling Smørgrav perror("fork"); 10227b5038d7SDag-Erling Smørgrav return 1; 10237b5038d7SDag-Erling Smørgrav } 10247b5038d7SDag-Erling Smørgrav FD_ZERO(&rset); 10257b5038d7SDag-Erling Smørgrav FD_SET(sfd, &rset); 10267b5038d7SDag-Erling Smørgrav if(select(sfd+1, &rset, NULL, NULL, NULL) < 1) { 10277b5038d7SDag-Erling Smørgrav perror("select"); 10287b5038d7SDag-Erling Smørgrav return 1; 10297b5038d7SDag-Erling Smørgrav } 10307b5038d7SDag-Erling Smørgrav i = 0; 10317b5038d7SDag-Erling Smørgrav while(i < num) { 10327b5038d7SDag-Erling Smørgrav if(recv(sfd, &x, sizeof(x), 0) != sizeof(x)) { 10337b5038d7SDag-Erling Smørgrav if(errno == EAGAIN) 10347b5038d7SDag-Erling Smørgrav continue; 10357b5038d7SDag-Erling Smørgrav perror("recv"); 10367b5038d7SDag-Erling Smørgrav return 1; 10377b5038d7SDag-Erling Smørgrav } 10387b5038d7SDag-Erling Smørgrav i++; 10397b5038d7SDag-Erling Smørgrav } 10407b5038d7SDag-Erling Smørgrav /* now we want to get EAGAIN: nonblocking goodness */ 10417b5038d7SDag-Erling Smørgrav errno = 0; 10427b5038d7SDag-Erling Smørgrav recv(sfd, &x, sizeof(x), 0); 10437b5038d7SDag-Erling Smørgrav if(errno != EAGAIN) { 10447b5038d7SDag-Erling Smørgrav perror("trying to recv again"); 10457b5038d7SDag-Erling Smørgrav return 1; 10467b5038d7SDag-Erling Smørgrav } 10477b5038d7SDag-Erling Smørgrav /* EAGAIN encountered */ 10487b5038d7SDag-Erling Smørgrav } 10497b5038d7SDag-Erling Smørgrav 10507b5038d7SDag-Erling Smørgrav close(sfd); 10517b5038d7SDag-Erling Smørgrav close(cfd); 10527b5038d7SDag-Erling Smørgrav return 0; 10537b5038d7SDag-Erling Smørgrav} 10547b5038d7SDag-Erling Smørgrav]])], [ 10557b5038d7SDag-Erling Smørgrav AC_MSG_RESULT([yes]) 10567b5038d7SDag-Erling Smørgrav], [ 10577b5038d7SDag-Erling Smørgrav AC_MSG_RESULT([no]) 10587b5038d7SDag-Erling Smørgrav AC_DEFINE([NONBLOCKING_IS_BROKEN], 1, [Define if the network stack does not fully support nonblocking io (causes lower performance).]) 10597b5038d7SDag-Erling Smørgrav], [ 10607b5038d7SDag-Erling Smørgrav AC_MSG_RESULT([crosscompile(yes)]) 10617b5038d7SDag-Erling Smørgrav]) 10627b5038d7SDag-Erling Smørgravfi 10637b5038d7SDag-Erling Smørgrav])dnl End of ACX_CHECK_NONBLOCKING_BROKEN 10647b5038d7SDag-Erling Smørgrav 10657b5038d7SDag-Erling Smørgravdnl Check if mkdir has one or two arguments. 10667b5038d7SDag-Erling Smørgravdnl defines MKDIR_HAS_ONE_ARG 10677b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_MKDIR_ONE_ARG], 10687b5038d7SDag-Erling Smørgrav[ 10697b5038d7SDag-Erling SmørgravAC_MSG_CHECKING([whether mkdir has one arg]) 1070*5afab0e5SDag-Erling SmørgravAC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 10717b5038d7SDag-Erling Smørgrav#include <stdio.h> 10727b5038d7SDag-Erling Smørgrav#include <unistd.h> 10737b5038d7SDag-Erling Smørgrav#ifdef HAVE_WINSOCK2_H 10747b5038d7SDag-Erling Smørgrav#include <winsock2.h> 10757b5038d7SDag-Erling Smørgrav#endif 10767b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_STAT_H 10777b5038d7SDag-Erling Smørgrav#include <sys/stat.h> 10787b5038d7SDag-Erling Smørgrav#endif 1079*5afab0e5SDag-Erling Smørgrav]], [[ 10807b5038d7SDag-Erling Smørgrav (void)mkdir("directory"); 1081*5afab0e5SDag-Erling Smørgrav]])],[AC_MSG_RESULT(yes) 10827b5038d7SDag-Erling SmørgravAC_DEFINE(MKDIR_HAS_ONE_ARG, 1, [Define if mkdir has one argument.]) 1083*5afab0e5SDag-Erling Smørgrav],[AC_MSG_RESULT(no) 1084*5afab0e5SDag-Erling Smørgrav]) 10857b5038d7SDag-Erling Smørgrav])dnl end of ACX_MKDIR_ONE_ARG 10867b5038d7SDag-Erling Smørgrav 10877b5038d7SDag-Erling Smørgravdnl Check for ioctlsocket function. works on mingw32 too. 10887b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_FUNC_IOCTLSOCKET], 10897b5038d7SDag-Erling Smørgrav[ 10907b5038d7SDag-Erling Smørgrav# check ioctlsocket 10917b5038d7SDag-Erling SmørgravAC_MSG_CHECKING(for ioctlsocket) 10927b5038d7SDag-Erling SmørgravAC_LINK_IFELSE([AC_LANG_PROGRAM([ 10937b5038d7SDag-Erling Smørgrav#ifdef HAVE_WINSOCK2_H 10947b5038d7SDag-Erling Smørgrav#include <winsock2.h> 10957b5038d7SDag-Erling Smørgrav#endif 10967b5038d7SDag-Erling Smørgrav], [ 10977b5038d7SDag-Erling Smørgrav (void)ioctlsocket(0, 0, NULL); 10987b5038d7SDag-Erling Smørgrav])], [ 10997b5038d7SDag-Erling SmørgravAC_MSG_RESULT(yes) 11007b5038d7SDag-Erling SmørgravAC_DEFINE(HAVE_IOCTLSOCKET, 1, [if the function 'ioctlsocket' is available]) 11017b5038d7SDag-Erling Smørgrav],[AC_MSG_RESULT(no)]) 11027b5038d7SDag-Erling Smørgrav])dnl end of ACX_FUNC_IOCTLSOCKET 11037b5038d7SDag-Erling Smørgrav 11047b5038d7SDag-Erling Smørgravdnl detect malloc and provide malloc compat prototype. 11057b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 11067b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_FUNC_MALLOC], 11077b5038d7SDag-Erling Smørgrav[ 11087b5038d7SDag-Erling Smørgrav AC_MSG_CHECKING([for GNU libc compatible malloc]) 11097b5038d7SDag-Erling Smørgrav AC_RUN_IFELSE([AC_LANG_PROGRAM( 11107b5038d7SDag-Erling Smørgrav[[#if defined STDC_HEADERS || defined HAVE_STDLIB_H 11117b5038d7SDag-Erling Smørgrav#include <stdlib.h> 11127b5038d7SDag-Erling Smørgrav#else 11137b5038d7SDag-Erling Smørgravchar *malloc (); 11147b5038d7SDag-Erling Smørgrav#endif 11157b5038d7SDag-Erling Smørgrav]], [ if(malloc(0) != 0) return 1;]) 11167b5038d7SDag-Erling Smørgrav], 11177b5038d7SDag-Erling Smørgrav [AC_MSG_RESULT([no]) 11187b5038d7SDag-Erling Smørgrav AC_LIBOBJ(malloc) 11197b5038d7SDag-Erling Smørgrav AC_DEFINE_UNQUOTED([malloc], [rpl_malloc_$1], [Define if replacement function should be used.])] , 11207b5038d7SDag-Erling Smørgrav [AC_MSG_RESULT([yes]) 11217b5038d7SDag-Erling Smørgrav AC_DEFINE([HAVE_MALLOC], 1, [If have GNU libc compatible malloc])], 11227b5038d7SDag-Erling Smørgrav [AC_MSG_RESULT([no (crosscompile)]) 11237b5038d7SDag-Erling Smørgrav AC_LIBOBJ(malloc) 11247b5038d7SDag-Erling Smørgrav AC_DEFINE_UNQUOTED([malloc], [rpl_malloc_$1], [Define if replacement function should be used.])] ) 11257b5038d7SDag-Erling Smørgrav]) 11267b5038d7SDag-Erling Smørgrav 11277b5038d7SDag-Erling Smørgravdnl Define fallback for fseeko and ftello if needed. 11287b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_FSEEKO], 11297b5038d7SDag-Erling Smørgrav[ 11307b5038d7SDag-Erling Smørgrav#ifndef HAVE_FSEEKO 11317b5038d7SDag-Erling Smørgrav#define fseeko fseek 11327b5038d7SDag-Erling Smørgrav#define ftello ftell 11337b5038d7SDag-Erling Smørgrav#endif /* HAVE_FSEEKO */ 11347b5038d7SDag-Erling Smørgrav]) 11357b5038d7SDag-Erling Smørgrav 11367b5038d7SDag-Erling Smørgravdnl Define RAND_MAX if not defined 11377b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_RAND_MAX], 11387b5038d7SDag-Erling Smørgrav[ 11397b5038d7SDag-Erling Smørgrav#ifndef RAND_MAX 11407b5038d7SDag-Erling Smørgrav#define RAND_MAX 2147483647 11417b5038d7SDag-Erling Smørgrav#endif 11427b5038d7SDag-Erling Smørgrav]) 11437b5038d7SDag-Erling Smørgrav 11447b5038d7SDag-Erling Smørgravdnl Define MAXHOSTNAMELEN if not defined 11457b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_MAXHOSTNAMELEN], 11467b5038d7SDag-Erling Smørgrav[ 11477b5038d7SDag-Erling Smørgrav#ifndef MAXHOSTNAMELEN 11487b5038d7SDag-Erling Smørgrav#define MAXHOSTNAMELEN 256 11497b5038d7SDag-Erling Smørgrav#endif 11507b5038d7SDag-Erling Smørgrav]) 11517b5038d7SDag-Erling Smørgrav 11527b5038d7SDag-Erling Smørgravdnl Define IPV6_MIN_MTU if not defined 11537b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_IPV6_MIN_MTU], 11547b5038d7SDag-Erling Smørgrav[ 11557b5038d7SDag-Erling Smørgrav#ifndef IPV6_MIN_MTU 11567b5038d7SDag-Erling Smørgrav#define IPV6_MIN_MTU 1280 11577b5038d7SDag-Erling Smørgrav#endif /* IPV6_MIN_MTU */ 11587b5038d7SDag-Erling Smørgrav]) 11597b5038d7SDag-Erling Smørgrav 11607b5038d7SDag-Erling Smørgravdnl provide snprintf, vsnprintf compat prototype 11617b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 11627b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_SNPRINTF], 11637b5038d7SDag-Erling Smørgrav[ 11647b5038d7SDag-Erling Smørgrav#ifndef HAVE_SNPRINTF 11657b5038d7SDag-Erling Smørgrav#define snprintf snprintf_$1 11667b5038d7SDag-Erling Smørgrav#define vsnprintf vsnprintf_$1 11677b5038d7SDag-Erling Smørgrav#include <stdarg.h> 11687b5038d7SDag-Erling Smørgravint snprintf (char *str, size_t count, const char *fmt, ...); 11697b5038d7SDag-Erling Smørgravint vsnprintf (char *str, size_t count, const char *fmt, va_list arg); 11707b5038d7SDag-Erling Smørgrav#endif /* HAVE_SNPRINTF */ 11717b5038d7SDag-Erling Smørgrav]) 11727b5038d7SDag-Erling Smørgrav 11737b5038d7SDag-Erling Smørgravdnl provide inet_pton compat prototype. 11747b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 11757b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_INET_PTON], 11767b5038d7SDag-Erling Smørgrav[ 11777b5038d7SDag-Erling Smørgrav#ifndef HAVE_INET_PTON 11787b5038d7SDag-Erling Smørgrav#define inet_pton inet_pton_$1 11797b5038d7SDag-Erling Smørgravint inet_pton(int af, const char* src, void* dst); 11807b5038d7SDag-Erling Smørgrav#endif /* HAVE_INET_PTON */ 11817b5038d7SDag-Erling Smørgrav]) 11827b5038d7SDag-Erling Smørgrav 11837b5038d7SDag-Erling Smørgravdnl provide inet_ntop compat prototype. 11847b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 11857b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_INET_NTOP], 11867b5038d7SDag-Erling Smørgrav[ 11877b5038d7SDag-Erling Smørgrav#ifndef HAVE_INET_NTOP 11887b5038d7SDag-Erling Smørgrav#define inet_ntop inet_ntop_$1 11897b5038d7SDag-Erling Smørgravconst char *inet_ntop(int af, const void *src, char *dst, size_t size); 11907b5038d7SDag-Erling Smørgrav#endif 11917b5038d7SDag-Erling Smørgrav]) 11927b5038d7SDag-Erling Smørgrav 11937b5038d7SDag-Erling Smørgravdnl provide inet_aton compat prototype. 11947b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 11957b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_INET_ATON], 11967b5038d7SDag-Erling Smørgrav[ 11977b5038d7SDag-Erling Smørgrav#ifndef HAVE_INET_ATON 11987b5038d7SDag-Erling Smørgrav#define inet_aton inet_aton_$1 11997b5038d7SDag-Erling Smørgravint inet_aton(const char *cp, struct in_addr *addr); 12007b5038d7SDag-Erling Smørgrav#endif 12017b5038d7SDag-Erling Smørgrav]) 12027b5038d7SDag-Erling Smørgrav 12037b5038d7SDag-Erling Smørgravdnl provide memmove compat prototype. 12047b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 12057b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_MEMMOVE], 12067b5038d7SDag-Erling Smørgrav[ 12077b5038d7SDag-Erling Smørgrav#ifndef HAVE_MEMMOVE 12087b5038d7SDag-Erling Smørgrav#define memmove memmove_$1 12097b5038d7SDag-Erling Smørgravvoid *memmove(void *dest, const void *src, size_t n); 12107b5038d7SDag-Erling Smørgrav#endif 12117b5038d7SDag-Erling Smørgrav]) 12127b5038d7SDag-Erling Smørgrav 12137b5038d7SDag-Erling Smørgravdnl provide strlcat compat prototype. 12147b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 12157b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_STRLCAT], 12167b5038d7SDag-Erling Smørgrav[ 12177b5038d7SDag-Erling Smørgrav#ifndef HAVE_STRLCAT 12187b5038d7SDag-Erling Smørgrav#define strlcat strlcat_$1 12197b5038d7SDag-Erling Smørgravsize_t strlcat(char *dst, const char *src, size_t siz); 12207b5038d7SDag-Erling Smørgrav#endif 12217b5038d7SDag-Erling Smørgrav]) 12227b5038d7SDag-Erling Smørgrav 12237b5038d7SDag-Erling Smørgravdnl provide strlcpy compat prototype. 12247b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 12257b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_STRLCPY], 12267b5038d7SDag-Erling Smørgrav[ 12277b5038d7SDag-Erling Smørgrav#ifndef HAVE_STRLCPY 12287b5038d7SDag-Erling Smørgrav#define strlcpy strlcpy_$1 12297b5038d7SDag-Erling Smørgravsize_t strlcpy(char *dst, const char *src, size_t siz); 12307b5038d7SDag-Erling Smørgrav#endif 12317b5038d7SDag-Erling Smørgrav]) 12327b5038d7SDag-Erling Smørgrav 12337b5038d7SDag-Erling Smørgravdnl provide gmtime_r compat prototype. 12347b5038d7SDag-Erling Smørgravdnl $1: unique name for compat code 12357b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_GMTIME_R], 12367b5038d7SDag-Erling Smørgrav[ 12377b5038d7SDag-Erling Smørgrav#ifndef HAVE_GMTIME_R 12387b5038d7SDag-Erling Smørgrav#define gmtime_r gmtime_r_$1 12397b5038d7SDag-Erling Smørgravstruct tm *gmtime_r(const time_t *timep, struct tm *result); 12407b5038d7SDag-Erling Smørgrav#endif 12417b5038d7SDag-Erling Smørgrav]) 12427b5038d7SDag-Erling Smørgrav 1243986ba33cSDag-Erling Smørgravdnl provide reallocarray compat prototype. 1244986ba33cSDag-Erling Smørgravdnl $1: unique name for compat code 1245986ba33cSDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_REALLOCARRAY], 1246986ba33cSDag-Erling Smørgrav[ 1247986ba33cSDag-Erling Smørgrav#ifndef HAVE_REALLOCARRAY 1248986ba33cSDag-Erling Smørgrav#define reallocarray reallocarray$1 1249986ba33cSDag-Erling Smørgravvoid* reallocarray(void *ptr, size_t nmemb, size_t size); 1250986ba33cSDag-Erling Smørgrav#endif 1251986ba33cSDag-Erling Smørgrav]) 1252986ba33cSDag-Erling Smørgrav 12537b5038d7SDag-Erling Smørgravdnl provide w32 compat definition for sleep 12547b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_W32_SLEEP], 12557b5038d7SDag-Erling Smørgrav[ 125617d15b25SDag-Erling Smørgrav#if !defined(HAVE_SLEEP) || defined(HAVE_WINDOWS_H) 12577b5038d7SDag-Erling Smørgrav#define sleep(x) Sleep((x)*1000) /* on win32 */ 12587b5038d7SDag-Erling Smørgrav#endif /* HAVE_SLEEP */ 12597b5038d7SDag-Erling Smørgrav]) 12607b5038d7SDag-Erling Smørgrav 12617b5038d7SDag-Erling Smørgravdnl provide w32 compat definition for usleep 12627b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_W32_USLEEP], 12637b5038d7SDag-Erling Smørgrav[ 12647b5038d7SDag-Erling Smørgrav#ifndef HAVE_USLEEP 12657b5038d7SDag-Erling Smørgrav#define usleep(x) Sleep((x)/1000 + 1) /* on win32 */ 12667b5038d7SDag-Erling Smørgrav#endif /* HAVE_USLEEP */ 12677b5038d7SDag-Erling Smørgrav]) 12687b5038d7SDag-Erling Smørgrav 12697b5038d7SDag-Erling Smørgravdnl provide w32 compat definition for random 12707b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_W32_RANDOM], 12717b5038d7SDag-Erling Smørgrav[ 12727b5038d7SDag-Erling Smørgrav#ifndef HAVE_RANDOM 12737b5038d7SDag-Erling Smørgrav#define random rand /* on win32, for tests only (bad random) */ 12747b5038d7SDag-Erling Smørgrav#endif /* HAVE_RANDOM */ 12757b5038d7SDag-Erling Smørgrav]) 12767b5038d7SDag-Erling Smørgrav 12777b5038d7SDag-Erling Smørgravdnl provide w32 compat definition for srandom 12787b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_W32_SRANDOM], 12797b5038d7SDag-Erling Smørgrav[ 12807b5038d7SDag-Erling Smørgrav#ifndef HAVE_SRANDOM 12817b5038d7SDag-Erling Smørgrav#define srandom(x) srand(x) /* on win32, for tests only (bad random) */ 12827b5038d7SDag-Erling Smørgrav#endif /* HAVE_SRANDOM */ 12837b5038d7SDag-Erling Smørgrav]) 12847b5038d7SDag-Erling Smørgrav 12857b5038d7SDag-Erling Smørgravdnl provide w32 compat definition for FD_SET_T 12867b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_W32_FD_SET_T], 12877b5038d7SDag-Erling Smørgrav[ 12887b5038d7SDag-Erling Smørgrav/* detect if we need to cast to unsigned int for FD_SET to avoid warnings */ 12897b5038d7SDag-Erling Smørgrav#ifdef HAVE_WINSOCK2_H 12907b5038d7SDag-Erling Smørgrav#define FD_SET_T (u_int) 12917b5038d7SDag-Erling Smørgrav#else 12927b5038d7SDag-Erling Smørgrav#define FD_SET_T 12937b5038d7SDag-Erling Smørgrav#endif 12947b5038d7SDag-Erling Smørgrav]) 12957b5038d7SDag-Erling Smørgrav 12967b5038d7SDag-Erling Smørgravdnl Remove an extension flag from CFLAGS, define replacement to be made. 12977b5038d7SDag-Erling Smørgravdnl Used by ACX_STRIP_EXT_FLAGS. 12987b5038d7SDag-Erling Smørgravdnl $1: the name of the flag, for example -D_GNU_SOURCE. 12997b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CFLAGS_STRIP], 13007b5038d7SDag-Erling Smørgrav[ 13017b5038d7SDag-Erling Smørgrav if echo $CFLAGS | grep " $1" >/dev/null 2>&1; then 13027b5038d7SDag-Erling Smørgrav CFLAGS="`echo $CFLAGS | sed -e 's/ $1//g'`" 13037b5038d7SDag-Erling Smørgrav AC_DEFINE(m4_bpatsubst(OMITTED_$1,[[-=]],_), 1, Put $1 define in config.h) 13047b5038d7SDag-Erling Smørgrav fi 13057b5038d7SDag-Erling Smørgrav]) 13067b5038d7SDag-Erling Smørgrav 13077b5038d7SDag-Erling Smørgravdnl Remove EXT flags from the CFLAGS and set them to be defined in config.h 13087b5038d7SDag-Erling Smørgravdnl use with ACX_DETERMINE_EXT_FLAGS. 13097b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_STRIP_EXT_FLAGS], 13107b5038d7SDag-Erling Smørgrav[ 13117b5038d7SDag-Erling Smørgrav AC_MSG_NOTICE([Stripping extension flags...]) 13127b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_GNU_SOURCE) 13137b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_BSD_SOURCE) 1314986ba33cSDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_DEFAULT_SOURCE) 13157b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D__EXTENSIONS__) 13167b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_POSIX_C_SOURCE=200112) 13177b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_XOPEN_SOURCE=600) 13187b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_XOPEN_SOURCE_EXTENDED=1) 13197b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_ALL_SOURCE) 13207b5038d7SDag-Erling Smørgrav ACX_CFLAGS_STRIP(-D_LARGEFILE_SOURCE=1) 13217b5038d7SDag-Erling Smørgrav]) dnl End of ACX_STRIP_EXT_FLAGS 13227b5038d7SDag-Erling Smørgrav 13237b5038d7SDag-Erling Smørgravdnl define one omitted flag for config.h 13247b5038d7SDag-Erling Smørgravdnl $1: flag name. -D_GNU_SOURCE 13257b5038d7SDag-Erling Smørgravdnl $2: replacement define. _GNU_SOURCE 13267b5038d7SDag-Erling Smørgravdnl $3: define value, 1 13277b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_FLAG_OMITTED], 13287b5038d7SDag-Erling Smørgrav[#if defined($1) && !defined($2) 13297b5038d7SDag-Erling Smørgrav#define $2 $3 13307b5038d7SDag-Erling Smørgrav[#]endif ]) 13317b5038d7SDag-Erling Smørgrav 13327b5038d7SDag-Erling Smørgravdnl Wrapper for AHX_CONFIG_FLAG_OMITTED for -D style flags 13337b5038d7SDag-Erling Smørgravdnl $1: the -DNAME or -DNAME=value string. 13347b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_FLAG_EXT], 13357b5038d7SDag-Erling Smørgrav[AHX_CONFIG_FLAG_OMITTED(m4_bpatsubst(OMITTED_$1,[[-=]],_),m4_bpatsubst(m4_bpatsubst($1,-D,),=.*$,),m4_if(m4_bregexp($1,=),-1,1,m4_bpatsubst($1,^.*=,))) 13367b5038d7SDag-Erling Smørgrav]) 13377b5038d7SDag-Erling Smørgrav 13387b5038d7SDag-Erling Smørgravdnl config.h part to define omitted cflags, use with ACX_STRIP_EXT_FLAGS. 13397b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_CONFIG_EXT_FLAGS], 13407b5038d7SDag-Erling Smørgrav[AHX_CONFIG_FLAG_EXT(-D_GNU_SOURCE) 13417b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_BSD_SOURCE) 1342986ba33cSDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_DEFAULT_SOURCE) 13437b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D__EXTENSIONS__) 13447b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_POSIX_C_SOURCE=200112) 13457b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_XOPEN_SOURCE=600) 13467b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_XOPEN_SOURCE_EXTENDED=1) 13477b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_ALL_SOURCE) 13487b5038d7SDag-Erling SmørgravAHX_CONFIG_FLAG_EXT(-D_LARGEFILE_SOURCE=1) 13497b5038d7SDag-Erling Smørgrav]) 13507b5038d7SDag-Erling Smørgrav 13517b5038d7SDag-Erling Smørgravdnl check if memcmp is using signed characters and replace if so. 13527b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_MEMCMP_SIGNED], 13537b5038d7SDag-Erling Smørgrav[AC_MSG_CHECKING([if memcmp compares unsigned]) 13547b5038d7SDag-Erling SmørgravAC_RUN_IFELSE([AC_LANG_SOURCE([[ 13557b5038d7SDag-Erling Smørgrav#include <stdio.h> 13567b5038d7SDag-Erling Smørgrav#include <stdlib.h> 13577b5038d7SDag-Erling Smørgrav#include <string.h> 13587b5038d7SDag-Erling Smørgravint main(void) 13597b5038d7SDag-Erling Smørgrav{ 13607b5038d7SDag-Erling Smørgrav char a = 255, b = 0; 13617b5038d7SDag-Erling Smørgrav if(memcmp(&a, &b, 1) < 0) 13627b5038d7SDag-Erling Smørgrav return 1; 13637b5038d7SDag-Erling Smørgrav return 0; 13647b5038d7SDag-Erling Smørgrav} 13657b5038d7SDag-Erling Smørgrav]])], [AC_MSG_RESULT([yes]) ], 13667b5038d7SDag-Erling Smørgrav[ AC_MSG_RESULT([no]) 13677b5038d7SDag-Erling Smørgrav AC_DEFINE([MEMCMP_IS_BROKEN], [1], [Define if memcmp() does not compare unsigned bytes]) 13687b5038d7SDag-Erling Smørgrav AC_LIBOBJ([memcmp]) 13697b5038d7SDag-Erling Smørgrav], [ AC_MSG_RESULT([cross-compile no]) 13707b5038d7SDag-Erling Smørgrav AC_DEFINE([MEMCMP_IS_BROKEN], [1], [Define if memcmp() does not compare unsigned bytes]) 13717b5038d7SDag-Erling Smørgrav AC_LIBOBJ([memcmp]) 13727b5038d7SDag-Erling Smørgrav]) ]) 13737b5038d7SDag-Erling Smørgrav 13747b5038d7SDag-Erling Smørgravdnl define memcmp to its replacement, pass unique id for program as arg 13757b5038d7SDag-Erling SmørgravAC_DEFUN([AHX_MEMCMP_BROKEN], [ 13767b5038d7SDag-Erling Smørgrav#ifdef MEMCMP_IS_BROKEN 13777b5038d7SDag-Erling Smørgrav#include "compat/memcmp.h" 13787b5038d7SDag-Erling Smørgrav#define memcmp memcmp_$1 13797b5038d7SDag-Erling Smørgravint memcmp(const void *x, const void *y, size_t n); 13807b5038d7SDag-Erling Smørgrav#endif 13817b5038d7SDag-Erling Smørgrav]) 13827b5038d7SDag-Erling Smørgrav 13837b5038d7SDag-Erling Smørgravdnl ACX_CHECK_SS_FAMILY - check for sockaddr_storage.ss_family 13847b5038d7SDag-Erling SmørgravAC_DEFUN([ACX_CHECK_SS_FAMILY], 13857b5038d7SDag-Erling Smørgrav[AC_CHECK_MEMBER([struct sockaddr_storage.ss_family], [], [ 13867b5038d7SDag-Erling Smørgrav AC_CHECK_MEMBER([struct sockaddr_storage.__ss_family], [ 13877b5038d7SDag-Erling Smørgrav AC_DEFINE([ss_family], [__ss_family], [Fallback member name for socket family in struct sockaddr_storage]) 13887b5038d7SDag-Erling Smørgrav ],, [AC_INCLUDES_DEFAULT 13897b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETINET_IN_H 13907b5038d7SDag-Erling Smørgrav#include <netinet/in.h> 13917b5038d7SDag-Erling Smørgrav#endif 13927b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_SOCKET_H 13937b5038d7SDag-Erling Smørgrav#include <sys/socket.h> 13947b5038d7SDag-Erling Smørgrav#endif 13957b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETDB_H 13967b5038d7SDag-Erling Smørgrav#include <netdb.h> 13977b5038d7SDag-Erling Smørgrav#endif 13987b5038d7SDag-Erling Smørgrav#ifdef HAVE_ARPA_INET_H 13997b5038d7SDag-Erling Smørgrav#include <arpa/inet.h> 14007b5038d7SDag-Erling Smørgrav#endif 14017b5038d7SDag-Erling Smørgrav ]) 14027b5038d7SDag-Erling Smørgrav], [AC_INCLUDES_DEFAULT 14037b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETINET_IN_H 14047b5038d7SDag-Erling Smørgrav#include <netinet/in.h> 14057b5038d7SDag-Erling Smørgrav#endif 14067b5038d7SDag-Erling Smørgrav#ifdef HAVE_SYS_SOCKET_H 14077b5038d7SDag-Erling Smørgrav#include <sys/socket.h> 14087b5038d7SDag-Erling Smørgrav#endif 14097b5038d7SDag-Erling Smørgrav#ifdef HAVE_NETDB_H 14107b5038d7SDag-Erling Smørgrav#include <netdb.h> 14117b5038d7SDag-Erling Smørgrav#endif 14127b5038d7SDag-Erling Smørgrav#ifdef HAVE_ARPA_INET_H 14137b5038d7SDag-Erling Smørgrav#include <arpa/inet.h> 14147b5038d7SDag-Erling Smørgrav#endif 14157b5038d7SDag-Erling Smørgrav]) ]) 14167b5038d7SDag-Erling Smørgrav 1417986ba33cSDag-Erling Smørgravdnl Check if CC and linker support -fPIE and -pie. 1418986ba33cSDag-Erling Smørgravdnl If so, sets them in CFLAGS / LDFLAGS. 1419986ba33cSDag-Erling SmørgravAC_DEFUN([ACX_CHECK_PIE], [ 1420986ba33cSDag-Erling Smørgrav AC_ARG_ENABLE([pie], AS_HELP_STRING([--enable-pie], [Enable Position-Independent Executable (eg. to fully benefit from ASLR, small performance penalty)])) 1421986ba33cSDag-Erling Smørgrav AS_IF([test "x$enable_pie" = "xyes"], [ 1422986ba33cSDag-Erling Smørgrav AC_MSG_CHECKING([if $CC supports PIE]) 1423986ba33cSDag-Erling Smørgrav BAKLDFLAGS="$LDFLAGS" 1424986ba33cSDag-Erling Smørgrav BAKCFLAGS="$CFLAGS" 1425986ba33cSDag-Erling Smørgrav LDFLAGS="$LDFLAGS -pie" 1426986ba33cSDag-Erling Smørgrav CFLAGS="$CFLAGS -fPIE" 1427986ba33cSDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [ 1428986ba33cSDag-Erling Smørgrav if $CC $CFLAGS $LDFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then 1429986ba33cSDag-Erling Smørgrav LDFLAGS="$BAKLDFLAGS" 1430986ba33cSDag-Erling Smørgrav AC_MSG_RESULT(no) 1431986ba33cSDag-Erling Smørgrav else 1432986ba33cSDag-Erling Smørgrav AC_MSG_RESULT(yes) 1433986ba33cSDag-Erling Smørgrav fi 1434986ba33cSDag-Erling Smørgrav rm -f conftest conftest.c conftest.o 1435986ba33cSDag-Erling Smørgrav ], [LDFLAGS="$BAKLDFLAGS" ; CFLAGS="$BAKCFLAGS" ; AC_MSG_RESULT(no)]) 1436986ba33cSDag-Erling Smørgrav ]) 1437986ba33cSDag-Erling Smørgrav]) 1438986ba33cSDag-Erling Smørgrav 1439986ba33cSDag-Erling Smørgravdnl Check if linker supports -Wl,-z,relro,-z,now. 1440986ba33cSDag-Erling Smørgravdnl If so, adds it to LDFLAGS. 1441986ba33cSDag-Erling SmørgravAC_DEFUN([ACX_CHECK_RELRO_NOW], [ 1442986ba33cSDag-Erling Smørgrav AC_ARG_ENABLE([relro_now], AS_HELP_STRING([--enable-relro-now], [Enable full relocation binding at load-time (RELRO NOW, to protect GOT and .dtor areas)])) 1443986ba33cSDag-Erling Smørgrav AS_IF([test "x$enable_relro_now" = "xyes"], [ 1444986ba33cSDag-Erling Smørgrav AC_MSG_CHECKING([if $CC supports -Wl,-z,relro,-z,now]) 1445986ba33cSDag-Erling Smørgrav BAKLDFLAGS="$LDFLAGS" 1446986ba33cSDag-Erling Smørgrav LDFLAGS="$LDFLAGS -Wl,-z,relro,-z,now" 1447986ba33cSDag-Erling Smørgrav AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [ 1448986ba33cSDag-Erling Smørgrav if $CC $CFLAGS $LDFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then 1449986ba33cSDag-Erling Smørgrav LDFLAGS="$BAKLDFLAGS" 1450986ba33cSDag-Erling Smørgrav AC_MSG_RESULT(no) 1451986ba33cSDag-Erling Smørgrav else 1452986ba33cSDag-Erling Smørgrav AC_MSG_RESULT(yes) 1453986ba33cSDag-Erling Smørgrav fi 1454986ba33cSDag-Erling Smørgrav rm -f conftest conftest.c conftest.o 1455986ba33cSDag-Erling Smørgrav ], [LDFLAGS="$BAKLDFLAGS" ; AC_MSG_RESULT(no)]) 1456986ba33cSDag-Erling Smørgrav ]) 1457986ba33cSDag-Erling Smørgrav]) 1458986ba33cSDag-Erling Smørgrav 14597b5038d7SDag-Erling Smørgravdnl End of file 1460