configure.ac revision 1.73
1# $NetBSD: configure.ac,v 1.73 2011/08/14 20:22:42 apb 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([/* $][NetBSD$ */ 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], "$BSHELL", [Path to sh(1).]) 57 58AC_C_BIGENDIAN 59AC_HEADER_STDC 60 61# Confirm existence of zlib. (This is available as a default install 62# option on many OS's; this could be added as a reachover build in the 63# future.) 64AC_CHECK_HEADER(zlib.h,, 65 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 66AC_CHECK_LIB(z, gzdopen,, 67 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 68 69# Make sure certain required headers are available. 70# These are not necessarily required by the code, but they are not 71# currently conditionalized. 72AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/param.h \ 73 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \ 74 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 75 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 76 termios.h unistd.h,, 77 AC_MSG_ERROR([standard system header file not found])) 78 79# Find headers that may not be available. 80AC_HEADER_DIRENT 81AC_CHECK_HEADERS(sys/mtio.h sys/sysmacros.h sys/syslimits.h \ 82 getopt.h features.h malloc.h sys/poll.h pthread.h stddef.h) 83AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h \ 84 sys/endian.h sys/featuretest.h err.h inttypes.h libgen.h paths.h \ 85 stdint.h util.h resolv.h arpa/nameser.h,, 86 [test -f include/$ac_header || touch include/$ac_header]) 87AC_CHECK_HEADERS(rpc/types.h netconfig.h,, 88 [echo '#include "nbtool_config.h"' >include/$ac_header.new 89 echo '#include "'$srcdir/../../include/$ac_header'"' \ 90 >>include/$ac_header.new 91 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 92 rm -f include/$ac_header.new 93 else 94 mv -f include/$ac_header.new include/$ac_header 95 fi]) 96 97# Typedefs. 98AC_TYPE_SIZE_T 99AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t]) 100AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 101 [Define if you have the socklen_t type.])],, 102[#include <sys/types.h> 103#include <sys/socket.h>]) 104 105dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 106dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 107dnl 108define([NB_CHECK_INTTYPE], [ 109 AC_CHECK_TYPE(uint][$1][_t,, [ 110 AC_CHECK_TYPE(u_int][$1][_t, 111 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 112 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 113 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 114 ]) 115 AC_CHECK_TYPE(u_int][$1][_t,, [ 116 AC_CHECK_TYPE(uint][$1][_t, 117 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 118 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 119 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 120 ]) 121]) 122 123NB_CHECK_INTTYPE(8) 124NB_CHECK_INTTYPE(16) 125NB_CHECK_INTTYPE(32) 126NB_CHECK_INTTYPE(64) 127 128# Struct members. 129AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 130[#include <sys/types.h> 131#include <dirent.h>]) 132AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 133 struct stat.st_birthtime, struct stat.st_birthtimensec, 134 struct stat.st_atim, struct stat.st_mtimensec],,, 135 [#include <sys/stat.h>]) 136AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 137 138# Global variable decls. 139AC_CHECK_DECLS([optind, optreset],,, [ 140#include <stdio.h> 141#include <stdlib.h> 142#include <unistd.h> 143]) 144AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 145 146# Library functions (where a .h check isn't enough). 147AC_FUNC_ALLOCA 148AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 149 esetfunc fgetln flock fpurge __fpurge futimes getopt getopt_long \ 150 group_from_gid gid_from_group \ 151 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 152 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb \ 153 pwrite raise_default_signal random setenv \ 154 setgroupent setprogname setpassent snprintf strlcat strlcpy strmode \ 155 strndup strsep strsuftoll strtoll \ 156 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 157 158AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 159#include <pwd.h> 160]) 161AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 162#include <grp.h> 163]) 164AC_CHECK_DECLS([strndup],,,[#include <string.h>]) 165AC_CHECK_DECLS([strsuftoll],,,[#include <stdlib.h>]) 166AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 167#include <sys/stat.h> 168#include <unistd.h> 169]) 170 171AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, 172 be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, 173 [#include <sys/types.h>]) 174 175AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 176 177AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, 178 be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, 179 [#include <sys/endian.h>]) 180 181AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 182 183AC_CHECK_DECLS([setgroupent, setpassent],,, [ 184#include <sys/types.h> 185#include <grp.h> 186#include <pwd.h> 187]) 188 189# regcomp() and regexec() are also names of functions in the old V8 190# regexp package. To avoid them, we need to find out who has regfree(). 191 192dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 193dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 194AC_CHECK_LIB(regex, regfree) 195AC_SEARCH_LIBS(regfree, rx posix) 196 197AC_CHECK_FUNCS(fparseln, [ 198 AC_MSG_CHECKING(if fparseln seems to work) 199 AC_RUN_IFELSE( 200 [AC_LANG_SOURCE([[ 201#define _NETBSD_SOURCE 202#include <stdio.h> 203#include <stdlib.h> 204#define CONFTEST "conftest.fparseln" 205#define COMMENT '#' 206int 207main(void) 208{ 209 static const char delim[3] = { '\0', '\0', COMMENT }; 210 FILE *fp; 211 char *ptr; 212 fp = fopen(CONFTEST, "w+"); 213 if (fp != NULL) { 214 unlink(CONFTEST); 215 ungetc(COMMENT, fp); 216 ptr = fparseln(fp, NULL, NULL, delim, 217 FPARSELN_UNESCALL); 218 fclose(fp); 219 if (ptr == NULL) 220 exit(0); 221 } 222 exit(1); 223} 224 ]])], 225 [AC_MSG_RESULT(yes)], 226 [AC_MSG_RESULT(no) 227 AC_DEFINE(BROKEN_FPARSELN, 1, 228 [Define to 1 if your `fparseln' function is broken.])], 229 [AC_MSG_WARN([cross compiling: not checking farseln])] 230 ) 231]) 232 233# Variables substituted via @VARNAME@ in defs.mk.in 234AC_SUBST(HAVE_PTHREAD_H, $ac_cv_header_pthread_h) 235 236AC_OUTPUT 237