mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
130 lines
4.3 KiB
Plaintext
130 lines
4.3 KiB
Plaintext
dnl
|
|
dnl aclocal.m4 --- autoconf input file for gawk
|
|
dnl
|
|
dnl Copyright (C) 1995, 1996, 1998, 1999, 2000 the Free Software Foundation, Inc.
|
|
dnl
|
|
dnl This file is part of GAWK, the GNU implementation of the
|
|
dnl AWK Progamming Language.
|
|
dnl
|
|
dnl GAWK is free software; you can redistribute it and/or modify
|
|
dnl it under the terms of the GNU General Public License as published by
|
|
dnl the Free Software Foundation; either version 2 of the License, or
|
|
dnl (at your option) any later version.
|
|
dnl
|
|
dnl GAWK is distributed in the hope that it will be useful,
|
|
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
dnl GNU General Public License for more details.
|
|
dnl
|
|
dnl You should have received a copy of the GNU General Public License
|
|
dnl along with this program; if not, write to the Free Software
|
|
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
dnl
|
|
|
|
dnl gawk-specific macros for autoconf. one day hopefully part of autoconf
|
|
|
|
AC_DEFUN(GAWK_AC_C_STRINGIZE, [
|
|
AC_REQUIRE([AC_PROG_CPP])
|
|
AC_MSG_CHECKING([for ANSI stringizing capability])
|
|
AC_CACHE_VAL(gawk_cv_c_stringize,
|
|
AC_EGREP_CPP([#teststring],[
|
|
#define x(y) #y
|
|
|
|
char *s = x(teststring);
|
|
], gawk_cv_c_stringize=no, gawk_cv_c_stringize=yes))
|
|
if test "${gawk_cv_c_stringize}" = yes
|
|
then
|
|
AC_DEFINE(HAVE_STRINGIZE)
|
|
fi
|
|
AC_MSG_RESULT([${gawk_cv_c_stringize}])
|
|
])dnl
|
|
|
|
|
|
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 GAWK_AC_SYS_LARGEFILE.
|
|
dnl GAWK_AC_SYS_LARGEFILE_TEST_INCLUDES
|
|
AC_DEFUN(GAWK_AC_SYS_LARGEFILE_TEST_INCLUDES,
|
|
[[#include <sys/types.h>
|
|
int a[(off_t) 9223372036854775807 == 9223372036854775807 ? 1 : -1];
|
|
]])
|
|
|
|
dnl Internal subroutine of GAWK_AC_SYS_LARGEFILE.
|
|
dnl GAWK_AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR, COMMENT, INCLUDES, FUNCTION-BODY)
|
|
AC_DEFUN(GAWK_AC_SYS_LARGEFILE_MACRO_VALUE,
|
|
[AC_CACHE_CHECK([for $1 value needed for large files], $3,
|
|
[$3=no
|
|
AC_TRY_COMPILE(GAWK_AC_SYS_LARGEFILE_TEST_INCLUDES
|
|
$5
|
|
,
|
|
[$6],
|
|
,
|
|
[AC_TRY_COMPILE([#define $1 $2]
|
|
GAWK_AC_SYS_LARGEFILE_TEST_INCLUDES
|
|
$5
|
|
,
|
|
[$6],
|
|
[$3=$2])])])
|
|
if test "[$]$3" != no; then
|
|
AC_DEFINE_UNQUOTED([$1], [$]$3, [$4])
|
|
fi])
|
|
|
|
AC_DEFUN(GAWK_AC_SYS_LARGEFILE,
|
|
[AC_ARG_ENABLE(largefile,
|
|
[ --disable-largefile omit support for large files])
|
|
if test "$enable_largefile" != no; then
|
|
|
|
AC_CACHE_CHECK([for special C compiler options needed for large files],
|
|
gawk_cv_sys_largefile_CC,
|
|
[gawk_cv_sys_largefile_CC=no
|
|
if test "$GCC" != yes; then
|
|
# IRIX 6.2 and later do not support large files by default,
|
|
# so use the C compiler's -n32 option if that helps.
|
|
AC_TRY_COMPILE(GAWK_AC_SYS_LARGEFILE_TEST_INCLUDES, , ,
|
|
[ac_save_CC="$CC"
|
|
CC="$CC -n32"
|
|
AC_TRY_COMPILE(GAWK_AC_SYS_LARGEFILE_TEST_INCLUDES, ,
|
|
gawk_cv_sys_largefile_CC=' -n32')
|
|
CC="$ac_save_CC"])
|
|
fi])
|
|
if test "$gawk_cv_sys_largefile_CC" != no; then
|
|
CC="$CC$gawk_cv_sys_largefile_CC"
|
|
fi
|
|
|
|
GAWK_AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
|
|
gawk_cv_sys_file_offset_bits,
|
|
[Number of bits in a file offset, on hosts where this is settable.])
|
|
GAWK_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
|
|
gawk_cv_sys_largefile_source,
|
|
[Define to make ftello visible on some hosts (e.g. HP-UX 10.20).],
|
|
[#include <stdio.h>], [return !ftello;])
|
|
GAWK_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
|
|
gawk_cv_sys_large_files,
|
|
[Define for large files, on AIX-style hosts.])
|
|
GAWK_AC_SYS_LARGEFILE_MACRO_VALUE(_XOPEN_SOURCE, 500,
|
|
gawk_cv_sys_xopen_source,
|
|
[Define to make ftello visible on some hosts (e.g. glibc 2.1.3).],
|
|
[#include <stdio.h>], [return !ftello;])
|
|
fi
|
|
])
|
|
|
|
dnl Check for AIX and add _XOPEN_SOURCE_EXTENDED
|
|
AC_DEFUN(GAWK_AC_AIX_TWEAK, [
|
|
AC_MSG_CHECKING([for AIX compilation hacks])
|
|
AC_CACHE_VAL(gawk_cv_aix_hack, [
|
|
if test -d /lpp/bos
|
|
then
|
|
CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
|
|
gawk_cv_aix_hack=yes
|
|
else
|
|
gawk_cv_aix_hack=no
|
|
fi
|
|
])dnl
|
|
AC_MSG_RESULT([${gawk_cv_aix_hack}])
|
|
])dnl
|