1# $NetBSD: configure.ac,v 1.20 2002/04/24 19:41:58 bjh21 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 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 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 fts.h getopt.h md2.h md4.h md5.h netconfig.h \ 45 rmd160.h sha1.h vis.h,, 46 [echo '#include "config.h"' >include/$ac_header.new 47 echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new 48 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 49 rm -f include/$ac_header.new 50 else 51 mv -f include/$ac_header.new include/$ac_header 52 fi]) 53 54# Typedefs. 55AC_TYPE_SIZE_T 56AC_CHECK_TYPES([id_t, long long, u_quad_t]) 57 58dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 59dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 60dnl 61define([NB_CHECK_INTTYPE], [ 62 AC_CHECK_TYPE(uint][$1][_t,, [ 63 AC_CHECK_TYPE(u_int][$1][_t, 64 AC_DEFINE(uint][$1][_t, u_int][$1][_t), 65 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 66 ]) 67 AC_CHECK_TYPE(u_int][$1][_t,, [ 68 AC_CHECK_TYPE(uint][$1][_t, 69 AC_DEFINE(u_int][$1][_t, uint][$1][_t), 70 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 71 ]) 72]) 73 74NB_CHECK_INTTYPE(8) 75NB_CHECK_INTTYPE(16) 76NB_CHECK_INTTYPE(32) 77NB_CHECK_INTTYPE(64) 78 79# Struct members. 80AC_CHECK_MEMBERS([DIR.dd_fd, struct dirent.d_namlen],,, 81 [#include <dirent.h>]) 82AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 83 struct stat.st_mtimensec],,, [#include <sys/stat.h>]) 84AC_CHECK_MEMBERS(struct statfs.f_iosize,,, [#include <sys/mount.h>]) 85 86# Global variable decls. 87AC_CHECK_DECLS([optind, optreset],,, [ 88#include <stdio.h> 89#include <stdlib.h> 90#include <unistd.h> 91]) 92AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 93 94# Library functions (where a .h check isn't enough). 95AC_FUNC_ALLOCA 96AC_SEARCH_LIBS(fparseln, util) 97AC_CHECK_FUNCS(asprintf asnprintf basename dirfd dirname \ 98 fgetln flock fparseln futimes getopt getopt_long \ 99 isblank issetugid lchmod lchown lutimes pread pwcache_userdb \ 100 pwrite setenv setgroupent setprogname setpassent \ 101 snprintf strlcat strlcpy strsep 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