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NetBSD/tools/compat/configure.ac

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# $NetBSD: configure.ac,v 1.71 2010/01/15 11:26:25 asau Exp $
#
# Autoconf definition file for libnbcompat.
#
# When you edit configure.ac:
# 0. Create the tools versions of autoconf and autoheader:
# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools
# (This might not work if you try it after editing configure.ac.)
# 1. edit configure.ac
# 2. Regenerate "configure" and "nbtool_config.h.in" from "configure.ac":
# cd ${SRCDIR}/tools/compat && ${TOOLDIR}/bin/nbmake-${MACHINE} regen
# (Please don't use a non-tools version of autoconf or autoheader.)
# 3. Test that the tools still build:
# mv ${TOOLDIR} ${TOOLDIR}.bak
# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools
# 4. cvs commit files that you edited.
# 5. Regen again, to pick up changed RCS IDs from the above commit:
# cd ${SRCDIR}/tools/compat && ${TOOLDIR}/bin/nbmake-${MACHINE} regen
# 6. cvs commit files that were generated.
#
AC_INIT([libnbcompat], [noversion], [lib-bug-people@NetBSD.org])
AC_CONFIG_HEADERS(nbtool_config.h)
AC_CONFIG_FILES(defs.mk)
# Autoheader header and footer
AH_TOP([/* $NetBSD: configure.ac,v 1.71 2010/01/15 11:26:25 asau Exp $ */
#ifndef __NETBSD_NBTOOL_CONFIG_H__
#define __NETBSD_NBTOOL_CONFIG_H__])
AH_BOTTOM([#include "compat_defs.h"
#endif /* !__NETBSD_NBTOOL_CONFIG_H__ */])
AC_DEFUN([AC_NETBSD],
[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
AC_MSG_CHECKING([for NetBSD])
AC_EGREP_CPP(yes,
[#ifdef __NetBSD__
yes
#endif
],
[AC_MSG_RESULT([yes])
AC_DEFINE([_POSIX_SOURCE], 1, [Define for NetBSD headers.])
AC_DEFINE([_POSIX_C_SOURCE], 200112L, [Define for NetBSD headers.])
AC_DEFINE([_XOPEN_SOURCE], 600, [Define for NetBSD headers.])],
[AC_MSG_RESULT([no])])
])# AC_NETBSD
AC_NETBSD
AC_PATH_PROG(BSHELL, sh, )
if test x"$BSHELL" = x; then
AC_MSG_ERROR([sh must be somewhere on \$PATH])
fi
AC_DEFINE_UNQUOTED([PATH_BSHELL], "$BSHELL", [Path to sh(1).])
AC_C_BIGENDIAN
AC_HEADER_STDC
# Confirm existence of zlib. (This is available as a default install
# option on many OS's; this could be added as a reachover build in the
# future.)
AC_CHECK_HEADER(zlib.h,,
AC_MSG_ERROR([zlib must be installed in a compiler-visible path]))
AC_CHECK_LIB(z, gzdopen,,
AC_MSG_ERROR([zlib must be installed in a compiler-visible path]))
# Make sure certain required headers are available.
# These are not necessarily required by the code, but they are not
# currently conditionalized.
AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/param.h \
sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \
sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \
netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \
termios.h unistd.h,,
AC_MSG_ERROR([standard system header file not found]))
# Find headers that may not be available.
AC_HEADER_DIRENT
AC_CHECK_HEADERS(sys/mtio.h sys/sysmacros.h sys/syslimits.h \
getopt.h features.h malloc.h sys/poll.h stddef.h)
AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h sys/endian.h \
sys/featuretest.h err.h inttypes.h libgen.h paths.h stdint.h util.h \
resolv.h arpa/nameser.h,,
[test -f include/$ac_header || touch include/$ac_header])
AC_CHECK_HEADERS(rpc/types.h netconfig.h,,
[echo '#include "nbtool_config.h"' >include/$ac_header.new
echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new
if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then
rm -f include/$ac_header.new
else
mv -f include/$ac_header.new include/$ac_header
fi])
# Typedefs.
AC_TYPE_SIZE_T
AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t])
AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1,
[Define if you have the socklen_t type.])],,
[#include <sys/types.h>
#include <sys/socket.h>])
dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types,
dnl including use of compiler primitive types via AC_CHECK_SIZEOF.
dnl
define([NB_CHECK_INTTYPE], [
AC_CHECK_TYPE(uint][$1][_t,, [
AC_CHECK_TYPE(u_int][$1][_t,
AC_DEFINE(uint][$1][_t, u_int][$1][_t, \
[Define if you have u_int][$1][_t, but not uint][$1][_t.]),
AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t]))
])
AC_CHECK_TYPE(u_int][$1][_t,, [
AC_CHECK_TYPE(uint][$1][_t,
AC_DEFINE(u_int][$1][_t, uint][$1][_t, \
[Define if you have uint][$1][_t, but not u_int][$1][_t.]),
AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t]))
])
])
NB_CHECK_INTTYPE(8)
NB_CHECK_INTTYPE(16)
NB_CHECK_INTTYPE(32)
NB_CHECK_INTTYPE(64)
# Struct members.
AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,,
[#include <sys/types.h>
#include <dirent.h>])
AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen,
struct stat.st_birthtime, struct stat.st_birthtimensec,
struct stat.st_atim, struct stat.st_mtimensec],,,
[#include <sys/stat.h>])
AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>])
# Global variable decls.
AC_CHECK_DECLS([optind, optreset],,, [
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
])
AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>])
# Library functions (where a .h check isn't enough).
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \
esetfunc fgetln flock fpurge __fpurge futimes getopt getopt_long \
group_from_gid gid_from_group \
heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \
mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb pwrite \
raise_default_signal random setenv \
setgroupent setprogname setpassent snprintf strlcat strlcpy strmode \
strndup strsep strsuftoll strtoll \
user_from_uid uid_from_user vasprintf vasnprintf vsnprintf)
AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[
#include <pwd.h>
])
AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[
#include <grp.h>
])
AC_CHECK_DECLS([strndup],,,[#include <string.h>])
AC_CHECK_DECLS([strsuftoll],,,[#include <stdlib.h>])
AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[
#include <sys/stat.h>
#include <unistd.h>
])
AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, [#include <sys/types.h>])
AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>])
AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, [#include <sys/endian.h>])
AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>])
AC_CHECK_DECLS([setgroupent, setpassent],,, [
#include <sys/types.h>
#include <grp.h>
#include <pwd.h>
])
# regcomp() and regexec() are also names of functions in the old V8
# regexp package. To avoid them, we need to find out who has regfree().
dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition.
dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next.
AC_CHECK_LIB(regex, regfree)
AC_SEARCH_LIBS(regfree, rx posix)
AC_CHECK_FUNCS(fparseln, [
AC_MSG_CHECKING(if fparseln seems to work)
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#define _NETBSD_SOURCE
#include <stdio.h>
#include <stdlib.h>
#define CONFTEST "conftest.fparseln"
#define COMMENT '#'
int
main(void)
{
static const char delim[3] = { '\0', '\0', COMMENT };
FILE *fp;
char *ptr;
fp = fopen(CONFTEST, "w+");
if (fp != NULL) {
unlink(CONFTEST);
ungetc(COMMENT, fp);
ptr = fparseln(fp, NULL, NULL, delim,
FPARSELN_UNESCALL);
fclose(fp);
if (ptr == NULL)
exit(0);
}
exit(1);
}
]])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_DEFINE(BROKEN_FPARSELN, 1,
[Define to 1 if your `fparseln' function is broken.])],
[AC_MSG_WARN([cross compiling: not checking farseln])]
)
])
AC_OUTPUT
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