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- dnl cloned from autoconf 2.13 acspecific.m4
- AC_DEFUN(AC_C_LONG_LONG,
- [AC_CACHE_CHECK(for long long, ac_cv_c_long_long,
- [if test "$GCC" = yes; then
- ac_cv_c_long_long=yes
- else
- AC_TRY_RUN([int main() {
- long long foo = 0;
- exit(sizeof(long long) < sizeof(long)); }],
- ac_cv_c_long_long=yes, ac_cv_c_long_long=no)
- fi])
- if test $ac_cv_c_long_long = yes; then
- AC_DEFINE(HAVE_LONG_LONG)
- fi
- ])
- dnl from autoconf 2.13 acgeneral.m4, with patch:
- dnl Date: Fri, 15 Jan 1999 05:52:41 -0800
- dnl Message-ID: <199901151352.FAA18237@shade.twinsun.com>
- dnl From: eggert@twinsun.com (Paul Eggert)
- dnl Subject: autoconf 2.13 AC_CHECK_TYPE doesn't allow shell vars
- dnl Newsgroups: gnu.utils.bug
- dnl from autoconf 2.13 acspecific.m4, with changes to check for daylight
- AC_DEFUN(AC_STRUCT_TIMEZONE_DAYLIGHT,
- [AC_REQUIRE([AC_STRUCT_TM])dnl
- AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone,
- [AC_TRY_COMPILE([#include <sys/types.h>
- #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;],
- ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)])
- if test "$ac_cv_struct_tm_zone" = yes; then
- AC_DEFINE(HAVE_TM_ZONE)
- fi
- AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
- [AC_TRY_LINK(
- changequote(<<, >>)dnl
- <<#include <time.h>
- #ifndef tzname /* For SGI. */
- extern char *tzname[]; /* RS6000 and others reject char **tzname. */
- #endif>>,
- changequote([, ])dnl
- [atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
- if test $ac_cv_var_tzname = yes; then
- AC_DEFINE(HAVE_TZNAME)
- fi
- AC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst,
- [AC_TRY_COMPILE([#include <sys/types.h>
- #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;],
- ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)])
- if test "$ac_cv_struct_tm_isdst" = yes; then
- AC_DEFINE(HAVE_TM_ISDST)
- fi
- AC_CACHE_CHECK(for daylight, ac_cv_var_daylight,
- [AC_TRY_LINK(
- changequote(<<, >>)dnl
- <<#include <time.h>
- #ifndef daylight /* In case IRIX #defines this, too */
- extern int daylight;
- #endif>>,
- changequote([, ])dnl
- [atoi(daylight);], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)])
- if test $ac_cv_var_daylight = yes; then
- AC_DEFINE(HAVE_DAYLIGHT)
- fi
- ])
- dnl AC_CHECK_TYPE2(TYPE, DEFAULT)
- AC_DEFUN(AC_CHECK_TYPE2,
- [AC_REQUIRE([AC_HEADER_STDC])dnl
- AC_MSG_CHECKING(for $1)
- AC_CACHE_VAL(ac_cv_type_$1,
- [AC_EGREP_CPP(dnl
- changequote(<<,>>)dnl
- <<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
- changequote([,]), [#include <sys/types.h>
- #if STDC_HEADERS
- #include <stdlib.h>
- #include <stddef.h>
- #endif], eval "ac_cv_type_$1=yes", eval "ac_cv_type_$1=no")])dnl
- if eval "test \"`echo '$ac_cv_type_'$1`\" = yes"; then
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no)
- AC_DEFINE_UNQUOTED($1, $2)
- fi
- ])
- dnl from autoconf 2.13 acgeneral.m4, with additional third argument
- dnl AC_CHECK_SIZEOF_INCLUDES(TYPE [, CROSS-SIZE, [INCLUDES]])
- AC_DEFUN(AC_CHECK_SIZEOF_INCLUDES,
- [changequote(<<, >>)dnl
- dnl The name to #define.
- define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
- dnl The cache variable name.
- define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
- changequote([, ])dnl
- AC_MSG_CHECKING(size of $1)
- AC_CACHE_VAL(AC_CV_NAME,
- [AC_TRY_RUN([$3
- #include <stdio.h>
- main()
- {
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof($1));
- exit(0);
- }], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
- AC_MSG_RESULT($AC_CV_NAME)
- AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
- undefine([AC_TYPE_NAME])dnl
- undefine([AC_CV_NAME])dnl
- ])
- dnl AC_CHECK_SIZEOF_STDC_HEADERS(TYPE [, CROSS_SIZE])
- AC_DEFUN(AC_CHECK_SIZEOF_STDC_HEADERS,
- [AC_CHECK_SIZEOF_INCLUDES($1, $2,
- [#include <sys/types.h>
- #ifdef STDC_HEADERS
- #include <stdlib.h>
- #endif
- ])
- ])
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