configure.ac revision 1.68
1# $NetBSD: configure.ac,v 1.68 2009/01/05 06:11:43 tnozaki 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 1.68 2009/01/05 06:11:43 tnozaki 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], "$BSHELL", [Path to sh(1).]) 57 58AC_C_BIGENDIAN 59AC_HEADER_STDC 60 61# Confirm existence of zlib. (This is available as a default install 62# option on many OS's; this could be added as a reachover build in the 63# future.) 64AC_CHECK_HEADER(zlib.h,, 65 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 66AC_CHECK_LIB(z, gzdopen,, 67 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 68 69# Make sure certain required headers are available. 70# These are not necessarily required by the code, but they are not 71# currently conditionalized. 72AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/mtio.h sys/param.h \ 73 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \ 74 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 75 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 76 termios.h unistd.h,, 77 AC_MSG_ERROR([standard system header file not found])) 78 79# Find headers that may not be available. 80AC_HEADER_DIRENT 81AC_CHECK_HEADERS(sys/sysmacros.h sys/syslimits.h \ 82 getopt.h features.h malloc.h sys/poll.h stddef.h) 83AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h \ 84 sys/featuretest.h err.h inttypes.h libgen.h paths.h stdint.h util.h \ 85 resolv.h arpa/nameser.h,, 86 [test -f include/$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'"' >>include/$ac_header.new 90 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 91 rm -f include/$ac_header.new 92 else 93 mv -f include/$ac_header.new include/$ac_header 94 fi]) 95 96# Typedefs. 97AC_TYPE_SIZE_T 98AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t]) 99AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 100 [Define if you have the socklen_t type.])],, 101[#include <sys/types.h> 102#include <sys/socket.h>]) 103 104dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 105dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 106dnl 107define([NB_CHECK_INTTYPE], [ 108 AC_CHECK_TYPE(uint][$1][_t,, [ 109 AC_CHECK_TYPE(u_int][$1][_t, 110 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 111 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 112 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 113 ]) 114 AC_CHECK_TYPE(u_int][$1][_t,, [ 115 AC_CHECK_TYPE(uint][$1][_t, 116 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 117 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 118 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 119 ]) 120]) 121 122NB_CHECK_INTTYPE(8) 123NB_CHECK_INTTYPE(16) 124NB_CHECK_INTTYPE(32) 125NB_CHECK_INTTYPE(64) 126 127# Struct members. 128AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 129[#include <sys/types.h> 130#include <dirent.h>]) 131AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 132 struct stat.st_birthtime, struct stat.st_birthtimensec, 133 struct stat.st_atim, struct stat.st_mtimensec],,, 134 [#include <sys/stat.h>]) 135AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 136 137# Global variable decls. 138AC_CHECK_DECLS([optind, optreset],,, [ 139#include <stdio.h> 140#include <stdlib.h> 141#include <unistd.h> 142]) 143AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 144 145# Library functions (where a .h check isn't enough). 146AC_FUNC_ALLOCA 147AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 148 esetfunc fgetln flock futimes getopt getopt_long \ 149 group_from_gid gid_from_group \ 150 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 151 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb pwrite \ 152 raise_default_signal random setenv \ 153 setgroupent setprogname setpassent snprintf strlcat strlcpy strmode \ 154 strndup strsep strsuftoll strtoll \ 155 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 156 157AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 158#include <pwd.h> 159]) 160AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 161#include <grp.h> 162]) 163AC_CHECK_DECLS([strndup],,,[#include <string.h>]) 164AC_CHECK_DECLS([strsuftoll],,,[#include <stdlib.h>]) 165AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 166#include <sys/stat.h> 167#include <unistd.h> 168]) 169 170AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, [#include <sys/types.h>]) 171 172AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 173 174AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, [#include <sys/endian.h>]) 175 176AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 177 178AC_CHECK_DECLS([setgroupent, setpassent],,, [ 179#include <sys/types.h> 180#include <grp.h> 181#include <pwd.h> 182]) 183 184# regcomp() and regexec() are also names of functions in the old V8 185# regexp package. To avoid them, we need to find out who has regfree(). 186 187dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 188dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 189AC_CHECK_LIB(regex, regfree) 190AC_SEARCH_LIBS(regfree, rx posix) 191 192AC_CHECK_FUNCS(fparseln, [ 193 AC_MSG_CHECKING(if fparseln seems to work) 194 AC_RUN_IFELSE( 195 [AC_LANG_SOURCE([[ 196#define _NETBSD_SOURCE 197#include <stdio.h> 198#include <stdlib.h> 199#define CONFTEST "conftest.fparseln" 200#define COMMENT '#' 201int 202main(void) 203{ 204 static const char delim[3] = { '\0', '\0', COMMENT }; 205 FILE *fp; 206 char *ptr; 207 fp = fopen(CONFTEST, "w+"); 208 if (fp != NULL) { 209 unlink(CONFTEST); 210 ungetc(COMMENT, fp); 211 ptr = fparseln(fp, NULL, NULL, delim, 212 FPARSELN_UNESCALL); 213 fclose(fp); 214 if (ptr == NULL) 215 exit(0); 216 } 217 exit(1); 218} 219 ]])], 220 [AC_MSG_RESULT(yes)], 221 [AC_MSG_RESULT(no) 222 AC_DEFINE(BROKEN_FPARSELN, 1, 223 [Define to 1 if your `fparseln' function is broken.])], 224 [AC_MSG_WARN([cross compiling: not checking farseln])] 225 ) 226]) 227 228AC_OUTPUT 229