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Diffstat (limited to 'contrib/awk/aclocal.m4')
| -rw-r--r-- | contrib/awk/aclocal.m4 | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/contrib/awk/aclocal.m4 b/contrib/awk/aclocal.m4 new file mode 100644 index 0000000..7ba39c3 --- /dev/null +++ b/contrib/awk/aclocal.m4 @@ -0,0 +1,129 @@ +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 |
