configure.ac revision 1.66
1# $NetBSD: configure.ac,v 1.66 2007/10/19 15:56:54 christos Exp $ 2# 3# Autoconf definition file for libnbcompat. 4# 5# When you edit configure.ac: 6# 0. Create the tools versions of autoconf and autoheader: 7# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools 8# (This might not work if you try it after editing configure.ac.) 9# 1. edit configure.ac 10# 2. Regenerate "configure" and "nbtool_config.h.in" from "configure.ac": 11# cd ${SRCDIR}/tools/compat && ${TOOLDIR}/bin/nbmake-${MACHINE} regen 12# (Please don't use a non-tools version of autoconf or autoheader.) 13# 3. Test that the tools still build: 14# mv ${TOOLDIR} ${TOOLDIR}.bak 15# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools 16# 4. cvs commit files that you edited. 17# 5. Regen again, to pick up changed RCS IDs from the above commit: 18# cd ${SRCDIR}/tools/compat && ${TOOLDIR}/bin/nbmake-${MACHINE} regen 19# 6. cvs commit files that were generated. 20# 21 22AC_INIT([libnbcompat], [noversion], [lib-bug-people@NetBSD.org]) 23AC_CONFIG_HEADERS(nbtool_config.h) 24AC_CONFIG_FILES(defs.mk) 25 26# Autoheader header and footer 27AH_TOP([/* $NetBSD: configure.ac,v 1.66 2007/10/19 15:56:54 christos Exp $ */ 28 29#ifndef __NETBSD_NBTOOL_CONFIG_H__ 30#define __NETBSD_NBTOOL_CONFIG_H__]) 31 32AH_BOTTOM([#include "compat_defs.h" 33#endif /* !__NETBSD_NBTOOL_CONFIG_H__ */]) 34 35AC_DEFUN([AC_NETBSD], 36[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl 37 AC_BEFORE([$0], [AC_RUN_IFELSE])dnl 38 AC_MSG_CHECKING([for NetBSD]) 39 AC_EGREP_CPP(yes, 40 [#ifdef __NetBSD__ 41 yes 42 #endif 43 ], 44 [AC_MSG_RESULT([yes]) 45 AC_DEFINE([_POSIX_SOURCE], 1, [Define for NetBSD headers.]) 46 AC_DEFINE([_POSIX_C_SOURCE], 200112L, [Define for NetBSD headers.]) 47 AC_DEFINE([_XOPEN_SOURCE], 600, [Define for NetBSD headers.])], 48 [AC_MSG_RESULT([no])]) 49])# AC_NETBSD 50 51AC_NETBSD 52AC_PATH_PROG(BSHELL, sh, ) 53if test x"$BSHELL" = x; then 54 AC_MSG_ERROR([sh must be somewhere on \$PATH]) 55fi 56AC_DEFINE_UNQUOTED([PATH_BSHELL], "$BSHELL", [Path to sh(1).]) 57 58AC_C_BIGENDIAN 59AC_HEADER_STDC 60 61# Confirm existence of zlib. (This is available as a default install 62# option on many OS's; this could be added as a reachover build in the 63# future.) 64AC_CHECK_HEADER(zlib.h,, 65 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 66AC_CHECK_LIB(z, gzdopen,, 67 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 68 69# Make sure certain required headers are available. 70# These are not necessarily required by the code, but they are not 71# currently conditionalized. 72AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/mtio.h sys/param.h \ 73 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \ 74 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 75 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 76 termios.h unistd.h,, 77 AC_MSG_ERROR([standard system header file not found])) 78 79# Find headers that may not be available. 80AC_HEADER_DIRENT 81AC_CHECK_HEADERS(sys/sysmacros.h sys/syslimits.h \ 82 getopt.h features.h malloc.h sys/poll.h stddef.h) 83AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h \ 84 sys/featuretest.h err.h inttypes.h libgen.h paths.h stdint.h util.h,, 85 [test -f include/$ac_header || touch include/$ac_header]) 86AC_CHECK_HEADERS(rpc/types.h netconfig.h,, 87 [echo '#include "nbtool_config.h"' >include/$ac_header.new 88 echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new 89 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 90 rm -f include/$ac_header.new 91 else 92 mv -f include/$ac_header.new include/$ac_header 93 fi]) 94 95# Typedefs. 96AC_TYPE_SIZE_T 97AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t]) 98AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 99 [Define if you have the socklen_t type.])],, 100[#include <sys/types.h> 101#include <sys/socket.h>]) 102 103dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 104dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 105dnl 106define([NB_CHECK_INTTYPE], [ 107 AC_CHECK_TYPE(uint][$1][_t,, [ 108 AC_CHECK_TYPE(u_int][$1][_t, 109 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 110 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 111 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 112 ]) 113 AC_CHECK_TYPE(u_int][$1][_t,, [ 114 AC_CHECK_TYPE(uint][$1][_t, 115 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 116 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 117 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 118 ]) 119]) 120 121NB_CHECK_INTTYPE(8) 122NB_CHECK_INTTYPE(16) 123NB_CHECK_INTTYPE(32) 124NB_CHECK_INTTYPE(64) 125 126# Struct members. 127AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 128[#include <sys/types.h> 129#include <dirent.h>]) 130AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 131 struct stat.st_birthtime, struct stat.st_birthtimensec, 132 struct stat.st_atim, struct stat.st_mtimensec],,, 133 [#include <sys/stat.h>]) 134AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 135 136# Global variable decls. 137AC_CHECK_DECLS([optind, optreset],,, [ 138#include <stdio.h> 139#include <stdlib.h> 140#include <unistd.h> 141]) 142AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 143 144# Library functions (where a .h check isn't enough). 145AC_FUNC_ALLOCA 146AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 147 esetfunc fgetln flock fparseln futimes getopt getopt_long \ 148 group_from_gid gid_from_group \ 149 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 150 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb pwrite \ 151 raise_default_signal random setenv \ 152 setgroupent setprogname setpassent snprintf strlcat strlcpy strmode \ 153 strndup strsep strsuftoll strtoll \ 154 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 155 156AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 157#include <pwd.h> 158]) 159AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 160#include <grp.h> 161]) 162AC_CHECK_DECLS([strndup],,,[#include <string.h>]) 163AC_CHECK_DECLS([strsuftoll],,,[#include <stdlib.h>]) 164AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 165#include <sys/stat.h> 166#include <unistd.h> 167]) 168 169AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, [#include <sys/types.h>]) 170 171AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 172 173AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, [#include <sys/endian.h>]) 174 175AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 176 177AC_CHECK_DECLS([setgroupent, setpassent],,, [ 178#include <sys/types.h> 179#include <grp.h> 180#include <pwd.h> 181]) 182 183# regcomp() and regexec() are also names of functions in the old V8 184# regexp package. To avoid them, we need to find out who has regfree(). 185 186dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 187dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 188AC_CHECK_LIB(regex, regfree) 189AC_SEARCH_LIBS(regfree, rx posix) 190 191AC_OUTPUT 192