1# $NetBSD: configure.ac,v 1.31 2002/11/30 21:43:28 lukem Exp $ 2# 3# Autoconf definition file for libnbcompat. 4# 5 6AC_INIT([libnbcompat], [noversion], [lib-bug-people@netbsd.org]) 7AC_CONFIG_HEADERS(config.h) 8AC_CONFIG_FILES(defs.mk) 9 10AC_PATH_PROG(BSHELL, sh, ) 11if test x"$BSHELL" = x; then 12 AC_MSG_ERROR([sh must be somewhere on \$PATH]) 13fi 14AC_DEFINE_UNQUOTED(PATH_BSHELL, "$BSHELL") 15 16AC_C_BIGENDIAN 17AC_HEADER_STDC 18 19# Confirm existence of zlib. (This is available as a default install 20# option on many OS's; this could be added as a reachover build in the 21# future.) 22AC_CHECK_HEADER(zlib.h,, 23 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 24AC_CHECK_LIB(z, gzdopen,, 25 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 26 27# Make sure certain required headers are available. 28# These are not necessarily required by the code, but they are not 29# currently conditionalized. 30AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/mtio.h sys/param.h \ 31 sys/stat.h sys/time.h sys/types.h sys/utsname.h sys/wait.h \ 32 assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 33 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 34 termios.h unistd.h,, 35 AC_MSG_ERROR([standard system header file not found])) 36 37# Find headers that may not be available. 38AC_HEADER_DIRENT 39AC_CHECK_HEADERS(sys/sysmacros.h sys/syslimits.h \ 40 features.h malloc.h poll.h stddef.h) 41AC_CHECK_HEADERS(machine/bswap.h sys/cdefs.h sys/endian.h sys/featuretest.h \ 42 err.h inttypes.h libgen.h paths.h stdint.h util.h,, 43 [test -f include/$ac_header || touch include/$ac_header]) 44AC_CHECK_HEADERS(rpc/types.h getopt.h netconfig.h,, 45 [echo '#include "config.h"' >include/$ac_header.new 46 echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new 47 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 48 rm -f include/$ac_header.new 49 else 50 mv -f include/$ac_header.new include/$ac_header 51 fi]) 52 53# Typedefs. 54AC_TYPE_SIZE_T 55AC_CHECK_TYPES([id_t, long long, u_quad_t]) 56 57dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 58dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 59dnl 60define([NB_CHECK_INTTYPE], [ 61 AC_CHECK_TYPE(uint][$1][_t,, [ 62 AC_CHECK_TYPE(u_int][$1][_t, 63 AC_DEFINE(uint][$1][_t, u_int][$1][_t), 64 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 65 ]) 66 AC_CHECK_TYPE(u_int][$1][_t,, [ 67 AC_CHECK_TYPE(uint][$1][_t, 68 AC_DEFINE(u_int][$1][_t, uint][$1][_t), 69 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 70 ]) 71]) 72 73NB_CHECK_INTTYPE(8) 74NB_CHECK_INTTYPE(16) 75NB_CHECK_INTTYPE(32) 76NB_CHECK_INTTYPE(64) 77 78# Struct members. 79AC_CHECK_MEMBERS([DIR.dd_fd, struct dirent.d_namlen],,, 80 [#include <dirent.h>]) 81AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 82 struct stat.st_mtimensec],,, [#include <sys/stat.h>]) 83AC_CHECK_MEMBERS(struct statfs.f_iosize,,, [#include <sys/mount.h>]) 84 85# Global variable decls. 86AC_CHECK_DECLS([optind, optreset],,, [ 87#include <stdio.h> 88#include <stdlib.h> 89#include <unistd.h> 90]) 91AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 92 93# Library functions (where a .h check isn't enough). 94AC_FUNC_ALLOCA 95AC_CHECK_FUNCS(asprintf asnprintf basename dirfd dirname \ 96 fgetln flock fparseln futimes getopt getopt_long \ 97 isblank issetugid lchflags lchmod lchown lutimes mkstemp mkdtemp \ 98 poll pread pwcache_userdb pwrite random setenv setgroupent \ 99 setprogname setpassent snprintf strlcat strlcpy strsep \ 100 strsuftoll strtoll \ 101 user_from_uid vasprintf vasnprintf vsnprintf) 102 103AC_CHECK_DECLS([setgroupent, setpassent],,, [ 104#include <grp.h> 105#include <pwd.h> 106]) 107 108# regcomp() and regexec() are also names of functions in the old V8 109# regexp package. To avoid them, we need to find out who has regfree(). 110 111dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 112dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 113AC_CHECK_LIB(regex, regfree) 114AC_SEARCH_LIBS(regfree, rx posix) 115 116AC_OUTPUT 117