configure.ac revision 1.13
1# $NetBSD: configure.ac,v 1.13 2002/03/31 18:04:12 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_C_BIGENDIAN 11AC_HEADER_STDC 12 13# Confirm existence of zlib. (This is available as a default install 14# option on many OS's; this could be added as a reachover build in the 15# future.) 16AC_CHECK_HEADER(zlib.h,, 17 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 18AC_CHECK_LIB(z, gzdopen,, 19 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 20 21# Make sure certain required headers are available. 22# These are not necessarily required by the code, but they are not 23# currently conditionalized. 24AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/mtio.h sys/param.h \ 25 sys/stat.h sys/time.h sys/types.h sys/utsname.h sys/wait.h \ 26 assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 27 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 28 unistd.h,, 29 AC_MSG_ERROR([standard system header file not found])) 30 31# Find headers that may not be available. 32AC_HEADER_DIRENT 33AC_CHECK_HEADERS(sys/sysmacros.h sys/syslimits.h features.h malloc.h stddef.h stdint.h) 34AC_CHECK_HEADERS(machine/bswap.h sys/cdefs.h sys/featuretest.h \ 35 err.h inttypes.h libgen.h paths.h util.h,, 36 [test -f include/$ac_header || touch include/$ac_header]) 37AC_CHECK_HEADERS(rpc/types.h fts.h getopt.h md2.h md4.h md5.h netconfig.h \ 38 rmd160.h sha1.h vis.h,, 39 [echo '#include "config.h"' >include/$ac_header.new 40 echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new 41 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 42 rm -f include/$ac_header.new 43 else 44 mv -f include/$ac_header.new include/$ac_header 45 fi]) 46 47# Typedefs. 48AC_TYPE_SIZE_T 49AC_CHECK_TYPES([id_t, long long, u_quad_t]) 50 51dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 52dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 53dnl 54define([NB_CHECK_INTTYPE], [ 55 AC_CHECK_TYPE(uint][$1][_t,, [ 56 AC_CHECK_TYPE(u_int][$1][_t, 57 AC_DEFINE(uint][$1][_t, u_int][$1][_t), 58 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 59 ]) 60 AC_CHECK_TYPE(u_int][$1][_t,, [ 61 AC_CHECK_TYPE(uint][$1][_t, 62 AC_DEFINE(u_int][$1][_t, uint][$1][_t), 63 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 64 ]) 65]) 66 67NB_CHECK_INTTYPE(8) 68NB_CHECK_INTTYPE(16) 69NB_CHECK_INTTYPE(32) 70NB_CHECK_INTTYPE(64) 71 72# Struct members. 73AC_CHECK_MEMBERS([DIR.dd_fd, struct dirent.d_namlen],,, 74 [#include <dirent.h>]) 75AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 76 struct stat.st_mtimensec],,, [#include <sys/stat.h>]) 77AC_CHECK_MEMBERS(struct statfs.f_iosize,,, [#include <sys/mount.h>]) 78 79# Global variable decls. 80AC_CHECK_DECLS([optind, optreset],,, [ 81#include <stdio.h> 82#include <stdlib.h> 83#include <unistd.h> 84]) 85AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 86 87# Library functions (where a .h check isn't enough). 88AC_SEARCH_LIBS(fparseln, util) 89AC_CHECK_FUNCS(asprintf asnprintf basename dirfd dirname \ 90 fgetln flock fparseln futimes getopt getopt_long \ 91 isblank lchmod lchown lutimes mkdtemp pread pwcache_userdb \ 92 pwrite setenv setgroupent setprogname setpassent \ 93 snprintf strlcat strlcpy strsep vasprintf vasnprintf vsnprintf) 94 95AC_CHECK_DECLS([setgroupent, setpassent],,, [ 96#include <grp.h> 97#include <pwd.h> 98]) 99 100# regcomp() and regexec() are also names of functions in the old V8 101# regexp package. To avoid them, we need to find out who has regfree(). 102 103dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 104dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 105AC_CHECK_LIB(regex, regfree) 106AC_SEARCH_LIBS(regfree, rx posix) 107 108AC_OUTPUT 109