* m4/timespec.m4, m4/strerror_r.m4, m4/mbstate_t.m4,

m4/largefile.m4, m4/gettext.m4, m4/fnmatchcase.m4, m4/d-type.m4,
	m4/d-ino.m4, m4/c-bs-a.m4: new m4 macros.
This commit is contained in:
Kevin Dalley 2000-10-09 23:37:51 +00:00
parent 084fbf716f
commit 0250453057
9 changed files with 688 additions and 0 deletions

23
m4/c-bs-a.m4 Normal file
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#serial 3
dnl From Paul Eggert.
AC_DEFUN(AC_C_BACKSLASH_A,
[
AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a,
[AC_TRY_COMPILE([],
[
#if '\a' == 'a'
syntax error;
#endif
char buf['\a' == 'a' ? -1 : 1];
buf[0] = '\a';
return buf[0] != "\a"[0];
],
ac_cv_c_backslash_a=yes,
ac_cv_c_backslash_a=no)])
if test $ac_cv_c_backslash_a = yes; then
AC_DEFINE(HAVE_C_BACKSLASH_A, 1,
[Define if backslash-a works in C strings.])
fi
])

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#serial 3
dnl From Jim Meyering.
dnl
dnl Check whether struct dirent has a member named d_ino.
dnl
AC_DEFUN(jm_CHECK_TYPE_STRUCT_DIRENT_D_INO,
[AC_REQUIRE([AC_HEADER_DIRENT])dnl
AC_CACHE_CHECK([for d_ino member in directory struct],
jm_cv_struct_dirent_d_ino,
[AC_TRY_LINK(dnl
[
#include <sys/types.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* not HAVE_DIRENT_H */
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif /* HAVE_SYS_NDIR_H */
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif /* HAVE_NDIR_H */
#endif /* HAVE_DIRENT_H */
],
[struct dirent dp; dp.d_ino = 0;],
jm_cv_struct_dirent_d_ino=yes,
jm_cv_struct_dirent_d_ino=no)
]
)
if test $jm_cv_struct_dirent_d_ino = yes; then
AC_DEFINE(D_INO_IN_DIRENT, 1,
[Define if there is a member named d_ino in the struct describing
directory headers.])
fi
]
)

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#serial 3
dnl From Jim Meyering.
dnl
dnl Check whether struct dirent has a member named d_type.
dnl
AC_DEFUN(jm_CHECK_TYPE_STRUCT_DIRENT_D_TYPE,
[AC_REQUIRE([AC_HEADER_DIRENT])dnl
AC_CACHE_CHECK([for d_type member in directory struct],
jm_cv_struct_dirent_d_type,
[AC_TRY_LINK(dnl
[
#include <sys/types.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* not HAVE_DIRENT_H */
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif /* HAVE_SYS_NDIR_H */
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif /* HAVE_NDIR_H */
#endif /* HAVE_DIRENT_H */
],
[struct dirent dp; dp.d_type = 0;],
jm_cv_struct_dirent_d_type=yes,
jm_cv_struct_dirent_d_type=no)
]
)
if test $jm_cv_struct_dirent_d_type = yes; then
AC_DEFINE(D_TYPE_IN_DIRENT, 1,
[Define if there is a member named d_type in the struct describing
directory headers.])
fi
]
)

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#serial 2
dnl Determine whether to add fnmatch.o to LIBOBJS and to
dnl define fnmatch to rpl_fnmatch.
dnl
# AC_FUNC_FNMATCH
# ---------------
# We look for fnmatch.h to avoid that the test fails in C++.
AC_DEFUN(kd_FUNC_FNMATCH_CASE,
[AC_CHECK_HEADERS(fnmatch.h)
AC_CACHE_CHECK(for working fnmatch with case folding, ac_cv_func_fnmatch_works,
# Some versions of Solaris or SCO have a broken fnmatch function.
# So we run a test program. If we are cross-compiling, take no chance.
# Also want FNM_CASEFOLD
# Thanks to John Oleynick and Franc,ois Pinard for this test.
[AC_TRY_RUN(
[#include <stdio.h>
#define _GNU_SOURCE
#if HAVE_FNMATCH_H
# include <fnmatch.h>
#endif
int
main ()
{
exit (fnmatch ("A*", "abc", FNM_CASEFOLD) != 0);
}],
ac_cv_func_fnmatch_works=yes, ac_cv_func_fnmatch_works=no,
ac_cv_func_fnmatch_works=no)])
if test $ac_cv_func_fnmatch_works = yes; then
AC_DEFINE(HAVE_FNMATCH, 1,
[Define if your system has a working `fnmatch' function with case folding.])
fi
])# AC_FUNC_FNMATCH
AC_DEFUN(kd_FUNC_FNMATCH_CASE_RPL,
[
AC_REQUIRE([AM_GLIBC])
kd_FUNC_FNMATCH_CASE
if test $ac_cv_func_fnmatch_works = no \
&& test $ac_cv_gnu_library = no; then
AC_SUBST(LIBOBJS)
LIBOBJS="$LIBOBJS fnmatch.$ac_objext"
AC_DEFINE_UNQUOTED(fnmatch, rpl_fnmatch,
[Define to rpl_fnmatch if the replacement function should be used.])
fi
])

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# Macro to add for using GNU gettext.
# Ulrich Drepper <drepper@cygnus.com>, 1995.
#
# This file can be copied and used freely without restrictions. It can
# be used in projects which are not available under the GNU Public License
# but which still want to provide support for the GNU gettext functionality.
# Please note that the actual code is *not* freely available.
# serial 108
AC_PREREQ(2.13) dnl Minimum Autoconf version required.
AC_DEFUN(AM_WITH_NLS,
[AC_MSG_CHECKING([whether NLS is requested])
dnl Default is enabled NLS
AC_ARG_ENABLE(nls,
[ --disable-nls do not use Native Language Support],
USE_NLS=$enableval, USE_NLS=yes)
AC_MSG_RESULT($USE_NLS)
AC_SUBST(USE_NLS)
USE_INCLUDED_LIBINTL=no
dnl If we use NLS figure out what method
if test "$USE_NLS" = "yes"; then
AC_DEFINE(ENABLE_NLS, 1, [Define to 1 if NLS is requested.])
AC_MSG_CHECKING([whether included gettext is requested])
AC_ARG_WITH(included-gettext,
[ --with-included-gettext use the GNU gettext library included here],
nls_cv_force_use_gnu_gettext=$withval,
nls_cv_force_use_gnu_gettext=no)
AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
dnl User does not insist on using GNU NLS library. Figure out what
dnl to use. If gettext or catgets are available (in this order) we
dnl use this. Else we have to fall back to GNU NLS library.
dnl catgets is only used if permitted by option --with-catgets.
nls_cv_header_intl=
nls_cv_header_libgt=
CATOBJEXT=NONE
AC_CHECK_HEADER(libintl.h,
[AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
[AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
if test "$gt_cv_func_gettext_libc" != "yes"; then
AC_CHECK_LIB(intl, bindtextdomain,
[AC_CHECK_LIB(intl, gettext)])
fi
if test "$gt_cv_func_gettext_libc" = "yes" \
|| test "$ac_cv_lib_intl_gettext" = "yes"; then
AC_DEFINE(HAVE_GETTEXT, 1,
[Define to 1 if you have gettext and don't want to use GNU gettext.])
AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
if test "$MSGFMT" != "no"; then
AC_CHECK_FUNCS(dcgettext)
AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
return _nl_msg_cat_cntr],
[CATOBJEXT=.gmo
DATADIRNAME=share],
[CATOBJEXT=.mo
DATADIRNAME=lib])
INSTOBJEXT=.mo
fi
fi
])
if test "$CATOBJEXT" = "NONE"; then
AC_MSG_CHECKING([whether catgets can be used])
AC_ARG_WITH(catgets,
[ --with-catgets use catgets functions if available],
nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
AC_MSG_RESULT($nls_cv_use_catgets)
if test "$nls_cv_use_catgets" = "yes"; then
dnl No gettext in C library. Try catgets next.
AC_CHECK_LIB(i, main)
AC_CHECK_FUNC(catgets,
[AC_DEFINE(HAVE_CATGETS, 1,
[Define as 1 if you have catgets and don't want to use GNU gettext.])
INTLOBJS="\$(CATOBJS)"
AC_PATH_PROG(GENCAT, gencat, no)dnl
if test "$GENCAT" != "no"; then
AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
if test "$GMSGFMT" = "no"; then
AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)
fi
AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
USE_INCLUDED_LIBINTL=yes
CATOBJEXT=.cat
INSTOBJEXT=.cat
DATADIRNAME=lib
INTLDEPS='$(top_builddir)/intl/libintl.a'
INTLLIBS=$INTLDEPS
LIBS=`echo $LIBS | sed -e 's/-lintl//'`
nls_cv_header_intl=intl/libintl.h
nls_cv_header_libgt=intl/libgettext.h
fi])
fi
fi
if test "$CATOBJEXT" = "NONE"; then
dnl Neither gettext nor catgets in included in the C library.
dnl Fall back on GNU gettext library.
nls_cv_use_gnu_gettext=yes
fi
fi
if test "$nls_cv_use_gnu_gettext" = "yes"; then
dnl Mark actions used to generate GNU NLS library.
INTLOBJS="\$(GETTOBJS)"
AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
[test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
AC_SUBST(MSGFMT)
USE_INCLUDED_LIBINTL=yes
CATOBJEXT=.gmo
INSTOBJEXT=.mo
DATADIRNAME=share
INTLDEPS='$(top_builddir)/intl/libintl.a'
INTLLIBS=$INTLDEPS
LIBS=`echo $LIBS | sed -e 's/-lintl//'`
nls_cv_header_intl=intl/libintl.h
nls_cv_header_libgt=intl/libgettext.h
fi
dnl Test whether we really found GNU xgettext.
if test "$XGETTEXT" != ":"; then
dnl If it is no GNU xgettext we define it as : so that the
dnl Makefiles still can work.
if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
: ;
else
AC_MSG_RESULT(
[found xgettext program is not GNU xgettext; ignore it])
XGETTEXT=":"
fi
fi
# We need to process the po/ directory.
POSUB=po
else
DATADIRNAME=share
nls_cv_header_intl=intl/libintl.h
nls_cv_header_libgt=intl/libgettext.h
fi
if test -z "$nls_cv_header_intl"; then
# Clean out junk possibly left behind by a previous configuration.
rm -f intl/libintl.h
fi
AC_CONFIG_LINKS($nls_cv_header_intl:$nls_cv_header_libgt)
AC_OUTPUT_COMMANDS(
[case "$CONFIG_FILES" in *po/Makefile.in*)
sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
esac])
# If this is used in GNU gettext we have to set USE_NLS to `yes'
# because some of the sources are only built for this goal.
if test "$PACKAGE" = gettext; then
USE_NLS=yes
USE_INCLUDED_LIBINTL=yes
fi
dnl These rules are solely for the distribution goal. While doing this
dnl we only have to keep exactly one list of the available catalogs
dnl in configure.in.
for lang in $ALL_LINGUAS; do
GMOFILES="$GMOFILES $lang.gmo"
POFILES="$POFILES $lang.po"
done
dnl Make all variables we use known to autoconf.
AC_SUBST(USE_INCLUDED_LIBINTL)
AC_SUBST(CATALOGS)
AC_SUBST(CATOBJEXT)
AC_SUBST(DATADIRNAME)
AC_SUBST(GMOFILES)
AC_SUBST(INSTOBJEXT)
AC_SUBST(INTLDEPS)
AC_SUBST(INTLLIBS)
AC_SUBST(INTLOBJS)
AC_SUBST(POFILES)
AC_SUBST(POSUB)
])
AC_DEFUN(AM_GNU_GETTEXT,
[AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_PROG_RANLIB])dnl
AC_REQUIRE([AC_ISC_POSIX])dnl
AC_REQUIRE([AC_HEADER_STDC])dnl
AC_REQUIRE([AC_C_CONST])dnl
AC_REQUIRE([AC_C_INLINE])dnl
AC_REQUIRE([AC_TYPE_OFF_T])dnl
AC_REQUIRE([AC_TYPE_SIZE_T])dnl
AC_REQUIRE([AC_FUNC_ALLOCA])dnl
AC_REQUIRE([AC_FUNC_MMAP])dnl
AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
unistd.h sys/param.h])
AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
strdup __argz_count __argz_stringify __argz_next])
if test "${ac_cv_func_stpcpy+set}" != "set"; then
AC_CHECK_FUNCS(stpcpy)
fi
if test "${ac_cv_func_stpcpy}" = "yes"; then
AC_DEFINE(HAVE_STPCPY, 1, [Define to 1 if you have the stpcpy function.])
fi
AM_LC_MESSAGES
AM_WITH_NLS
if test "x$CATOBJEXT" != "x"; then
if test "x$ALL_LINGUAS" = "x"; then
LINGUAS=
else
AC_MSG_CHECKING(for catalogs to be installed)
NEW_LINGUAS=
for lang in ${LINGUAS=$ALL_LINGUAS}; do
case "$ALL_LINGUAS" in
*$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
esac
done
LINGUAS=$NEW_LINGUAS
AC_MSG_RESULT($LINGUAS)
fi
dnl Construct list of names of catalog files to be constructed.
if test -n "$LINGUAS"; then
for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
fi
fi
dnl The reference to <locale.h> in the installed <libintl.h> file
dnl must be resolved because we cannot expect the users of this
dnl to define HAVE_LOCALE_H.
if test $ac_cv_header_locale_h = yes; then
INCLUDE_LOCALE_H="#include <locale.h>"
else
INCLUDE_LOCALE_H="\
/* The system does not provide the header <locale.h>. Take care yourself. */"
fi
AC_SUBST(INCLUDE_LOCALE_H)
dnl Determine which catalog format we have (if any is needed)
dnl For now we know about two different formats:
dnl Linux libc-5 and the normal X/Open format
test -d intl || mkdir intl
if test "$CATOBJEXT" = ".cat"; then
AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
dnl Transform the SED scripts while copying because some dumb SEDs
dnl cannot handle comments.
sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
fi
dnl po2tbl.sed is always needed.
sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
$srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
dnl In the intl/Makefile.in we have a special dependency which makes
dnl only sense for gettext. We comment this out for non-gettext
dnl packages.
if test "$PACKAGE" = "gettext"; then
GT_NO="#NO#"
GT_YES=
else
GT_NO=
GT_YES="#YES#"
fi
AC_SUBST(GT_NO)
AC_SUBST(GT_YES)
dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
dnl Try to locate is.
MKINSTALLDIRS=
if test -n "$ac_aux_dir"; then
MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
fi
if test -z "$MKINSTALLDIRS"; then
MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
fi
AC_SUBST(MKINSTALLDIRS)
dnl *** For now the libtool support in intl/Makefile is not for real.
l=
AC_SUBST(l)
dnl Generate list of files to be processed by xgettext which will
dnl be included in po/Makefile.
test -d po || mkdir po
case "$srcdir" in
.)
posrcprefix="../" ;;
/* | [[A-Za-z]]:*)
posrcprefix="$srcdir/" ;;
*)
posrcprefix="../$srcdir/" ;;
esac
rm -f po/POTFILES
sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
< $srcdir/po/POTFILES.in > po/POTFILES
])

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#serial 8
dnl By default, many hosts won't let programs access large files;
dnl one must use special compiler options to get large-file access to work.
dnl For more details about this brain damage please see:
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
dnl Written by Paul Eggert <eggert@twinsun.com>.
dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_FLAGS(FLAGSNAME)
AC_DEFUN(AC_SYS_LARGEFILE_FLAGS,
[AC_CACHE_CHECK([for $1 value to request large file support],
ac_cv_sys_largefile_$1,
[if ($GETCONF LFS_$1) >conftest.1 2>conftest.2 && test ! -s conftest.2
then
ac_cv_sys_largefile_$1=`cat conftest.1`
else
ac_cv_sys_largefile_$1=no
ifelse($1, CFLAGS,
[case "$host_os" in
# HP-UX 10.20 requires -D__STDC_EXT__ with gcc 2.95.1.
[ hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)]
if test "$GCC" = yes; then
ac_cv_sys_largefile_CFLAGS=-D__STDC_EXT__
fi
;;
# IRIX 6.2 and later require cc -n32.
[ irix6.[2-9]* | irix6.1[0-9]* | irix[7-9].* | irix[1-9][0-9]*)]
if test "$GCC" != yes; then
ac_cv_sys_largefile_CFLAGS=-n32
fi
esac
if test "$ac_cv_sys_largefile_CFLAGS" != no; then
ac_save_CC="$CC"
CC="$CC $ac_cv_sys_largefile_CFLAGS"
AC_TRY_LINK(, , , ac_cv_sys_largefile_CFLAGS=no)
CC="$ac_save_CC"
fi])
fi
rm -f conftest*])])
dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_SPACE_APPEND(VAR, VAL)
AC_DEFUN(AC_SYS_LARGEFILE_SPACE_APPEND,
[case $2 in
no) ;;
?*)
case "[$]$1" in
'') $1=$2 ;;
*) $1=[$]$1' '$2 ;;
esac ;;
esac])
dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, CACHE-VAR, COMMENT, CODE-TO-SET-DEFAULT)
AC_DEFUN(AC_SYS_LARGEFILE_MACRO_VALUE,
[AC_CACHE_CHECK([for $1], $2,
[$2=no
$4
for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
case "$ac_flag" in
-D$1)
$2=1 ;;
-D$1=*)
$2=`expr " $ac_flag" : '[[^=]]*=\(.*\)'` ;;
esac
done
])
if test "[$]$2" != no; then
AC_DEFINE_UNQUOTED([$1], [$]$2, [$3])
fi])
AC_DEFUN(AC_SYS_LARGEFILE,
[AC_REQUIRE([AC_CANONICAL_HOST])
AC_ARG_ENABLE(largefile,
[ --disable-largefile omit support for large files])
if test "$enable_largefile" != no; then
AC_CHECK_TOOL(GETCONF, getconf)
AC_SYS_LARGEFILE_FLAGS(CFLAGS)
AC_SYS_LARGEFILE_FLAGS(LDFLAGS)
AC_SYS_LARGEFILE_FLAGS(LIBS)
for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
case "$ac_flag" in
no) ;;
-D_FILE_OFFSET_BITS=*) ;;
-D_LARGEFILE_SOURCE | -D_LARGEFILE_SOURCE=*) ;;
-D_LARGE_FILES | -D_LARGE_FILES=*) ;;
-D?* | -I?*)
AC_SYS_LARGEFILE_SPACE_APPEND(CPPFLAGS, "$ac_flag") ;;
*)
AC_SYS_LARGEFILE_SPACE_APPEND(CFLAGS, "$ac_flag") ;;
esac
done
AC_SYS_LARGEFILE_SPACE_APPEND(LDFLAGS, "$ac_cv_sys_largefile_LDFLAGS")
AC_SYS_LARGEFILE_SPACE_APPEND(LIBS, "$ac_cv_sys_largefile_LIBS")
AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS,
ac_cv_sys_file_offset_bits,
[Number of bits in a file offset, on hosts where this is settable.],
[case "$host_os" in
# HP-UX 10.20 and later
[ hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)]
ac_cv_sys_file_offset_bits=64 ;;
esac])
AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE,
ac_cv_sys_largefile_source,
[Define to make fseeko etc. visible, on some hosts.],
[case "$host_os" in
# HP-UX 10.20 and later
[ hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)]
ac_cv_sys_largefile_source=1 ;;
esac])
AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES,
ac_cv_sys_large_files,
[Define for large files, on AIX-style hosts.],
[case "$host_os" in
# AIX 4.2 and later
[ aix4.[2-9]* | aix4.1[0-9]* | aix[5-9].* | aix[1-9][0-9]*)]
ac_cv_sys_large_files=1 ;;
esac])
fi
])

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# serial 1
# From Paul Eggert.
# Some versions of BeOS define mbstate_t to be an incomplete type,
# so you can't declare an object of that type.
# Check for this incompatibility with Standard C.
AC_DEFUN(AC_MBSTATE_T_OBJECT,
[AC_CACHE_CHECK([for mbstate_t object type], ac_cv_type_mbstate_t_object,
[AC_TRY_COMPILE([#include <wchar.h>],
[mbstate_t x; return sizeof x;],
ac_cv_type_mbstate_t_object=yes,
ac_cv_type_mbstate_t_object=no)])
if test $ac_cv_type_mbstate_t_object = yes; then
AC_DEFINE(HAVE_MBSTATE_T_OBJECT, 1,
[Define if mbstate_t is an object type.])
fi])

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#serial 2
dnl From Jim Meyering.
dnl Determine whether the strerror_r implementation is one of
dnl the broken ones that returns `int' rather than `char*'.
dnl Actually, this tests only whether it returns a scalar
dnl or an array, but that should be enough.
dnl On at least DEC UNIX 4.0[A-D] and HP-UX B.10.20, strerror_r
dnl returns `int'. This is used by lib/error.c.
AC_DEFUN(jm_FUNC_STRERROR_R,
[
# Check strerror_r
AC_CHECK_FUNCS([strerror_r])
if test $ac_cv_func_strerror_r = yes; then
AC_CHECK_HEADERS(string.h)
AC_CACHE_CHECK([for working strerror_r],
jm_cv_func_working_strerror_r,
[
AC_TRY_COMPILE(
[
# include <stdio.h>
# if HAVE_STRING_H
# include <string.h>
# endif
],
[
int buf; /* avoiding square brackets makes this easier */
char x = *strerror_r (0, buf, sizeof buf);
],
jm_cv_func_working_strerror_r=yes,
jm_cv_func_working_strerror_r=no
)
if test $jm_cv_func_working_strerror_r = yes; then
AC_DEFINE_UNQUOTED(HAVE_WORKING_STRERROR_R, 1,
[Define to 1 if strerror_r returns a string.])
fi
])
fi
])

34
m4/timespec.m4 Normal file
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@ -0,0 +1,34 @@
#serial 4
dnl From Jim Meyering
dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
dnl in time.h or sys/time.h.
AC_DEFUN(jm_CHECK_TYPE_STRUCT_TIMESPEC,
[
AC_REQUIRE([AC_HEADER_TIME])
AC_CACHE_CHECK([for struct timespec], fu_cv_sys_struct_timespec,
[AC_TRY_COMPILE(
[
# if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
# else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
# endif
],
[static struct timespec x; x.tv_sec = x.tv_nsec;],
fu_cv_sys_struct_timespec=yes,
fu_cv_sys_struct_timespec=no)
])
if test $fu_cv_sys_struct_timespec = yes; then
AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMESPEC, 1,
[Define if struct timespec is declared in <time.h>. ])
fi
])