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m4/ax_check_vscript.m4
  the latest version from the Autoconf Archive

m4/iconv.m4
  the latest version from gnulib still compatible with autoconf 2.62

m4/lib-ld.m4
m4/lib-link.m4
m4/lib-prefix.m4
  the latest versions from gnulib

Signed-off-by: Dimitri Papadopoulos <3350651+DimitriPapadopoulos@users.noreply.gitlab.com>
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Dimitri Papadopoulos authored and Dimitri Papadopoulos committed Jun 27, 2021
1 parent e2434fe commit 4b3b834
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Showing 5 changed files with 458 additions and 254 deletions.
8 changes: 4 additions & 4 deletions m4/ax_check_vscript.m4
View file
@@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_check_vscript.html
# https://www.gnu.org/software/autoconf-archive/ax_check_vscript.html
# ===========================================================================
#
# SYNOPSIS
Expand All @@ -17,8 +17,8 @@
#
# If version scripts are supported, VSCRIPT_LDFLAGS will contain the
# appropriate flag to pass to the linker. On GNU systems this would
# typically be "-Wl,--version-script", and on Solaris it would
# typically be "-Wl,-M".
# typically be "-Wl,--version-script", and on Solaris it would typically
# be "-Wl,-M".
#
# Two Automake conditionals are also set:
#
Expand Down Expand Up @@ -57,7 +57,7 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.

#serial 1
#serial 2

# _AX_CHECK_VSCRIPT(flag, global-sym, action-if-link-succeeds, [junk-file=no])
AC_DEFUN([_AX_CHECK_VSCRIPT], [
Expand Down
116 changes: 68 additions & 48 deletions m4/iconv.m4
View file
@@ -1,5 +1,6 @@
# iconv.m4 serial 18 (gettext-0.18.2)
dnl Copyright (C) 2000-2002, 2007-2014 Free Software Foundation, Inc.
# iconv.m4 serial 21
dnl Copyright (C) 2000-2002, 2007-2014, 2016-2020 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
Expand Down Expand Up @@ -72,27 +73,33 @@ AC_DEFUN([AM_ICONV_LINK],
if test $am_cv_lib_iconv = yes; then
LIBS="$LIBS $LIBICONV"
fi
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
am_cv_func_iconv_works=no
for ac_iconv_const in '' 'const'; do
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <iconv.h>
#include <string.h>
int main ()
{
int result = 0;
#ifndef ICONV_CONST
# define ICONV_CONST $ac_iconv_const
#endif
]],
[[int result = 0;
/* Test against AIX 5.1 bug: Failures are not distinguishable from successful
returns. */
{
iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
if (cd_utf8_to_88591 != (iconv_t)(-1))
{
static const char input[] = "\342\202\254"; /* EURO SIGN */
static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
char buf[10];
const char *inptr = input;
ICONV_CONST char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_utf8_to_88591,
(char **) &inptr, &inbytesleft,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == 0)
result |= 1;
Expand All @@ -105,14 +112,14 @@ int main ()
iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
if (cd_ascii_to_88591 != (iconv_t)(-1))
{
static const char input[] = "\263";
static ICONV_CONST char input[] = "\263";
char buf[10];
const char *inptr = input;
ICONV_CONST char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_ascii_to_88591,
(char **) &inptr, &inbytesleft,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == 0)
result |= 2;
Expand All @@ -124,14 +131,14 @@ int main ()
iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
if (cd_88591_to_utf8 != (iconv_t)(-1))
{
static const char input[] = "\304";
static ICONV_CONST char input[] = "\304";
static char buf[2] = { (char)0xDE, (char)0xAD };
const char *inptr = input;
ICONV_CONST char *inptr = input;
size_t inbytesleft = 1;
char *outptr = buf;
size_t outbytesleft = 1;
size_t res = iconv (cd_88591_to_utf8,
(char **) &inptr, &inbytesleft,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
result |= 4;
Expand All @@ -144,14 +151,14 @@ int main ()
iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
if (cd_88591_to_utf8 != (iconv_t)(-1))
{
static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
char buf[50];
const char *inptr = input;
ICONV_CONST char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_88591_to_utf8,
(char **) &inptr, &inbytesleft,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if ((int)res > 0)
result |= 8;
Expand All @@ -161,27 +168,36 @@ int main ()
#endif
/* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
provided. */
if (/* Try standardized names. */
iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
/* Try IRIX, OSF/1 names. */
&& iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
/* Try AIX names. */
&& iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
/* Try HP-UX names. */
&& iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
result |= 16;
{
/* Try standardized names. */
iconv_t cd1 = iconv_open ("UTF-8", "EUC-JP");
/* Try IRIX, OSF/1 names. */
iconv_t cd2 = iconv_open ("UTF-8", "eucJP");
/* Try AIX names. */
iconv_t cd3 = iconv_open ("UTF-8", "IBM-eucJP");
/* Try HP-UX names. */
iconv_t cd4 = iconv_open ("utf8", "eucJP");
if (cd1 == (iconv_t)(-1) && cd2 == (iconv_t)(-1)
&& cd3 == (iconv_t)(-1) && cd4 == (iconv_t)(-1))
result |= 16;
if (cd1 != (iconv_t)(-1))
iconv_close (cd1);
if (cd2 != (iconv_t)(-1))
iconv_close (cd2);
if (cd3 != (iconv_t)(-1))
iconv_close (cd3);
if (cd4 != (iconv_t)(-1))
iconv_close (cd4);
}
return result;
}]])],
[am_cv_func_iconv_works=yes],
[am_cv_func_iconv_works=no],
[
changequote(,)dnl
case "$host_os" in
aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
*) am_cv_func_iconv_works="guessing yes" ;;
esac
changequote([,])dnl
])
]])],
[am_cv_func_iconv_works=yes], ,
[case "$host_os" in
aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
*) am_cv_func_iconv_works="guessing yes" ;;
esac])
test "$am_cv_func_iconv_works" = no || break
done
LIBS="$am_save_LIBS"
])
case "$am_cv_func_iconv_works" in
Expand Down Expand Up @@ -255,14 +271,18 @@ size_t iconv();
am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
AC_MSG_RESULT([
$am_cv_proto_iconv])
AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
[Define as const if the declaration of iconv() needs const.])
dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
m4_ifdef([gl_ICONV_H_DEFAULTS],
[AC_REQUIRE([gl_ICONV_H_DEFAULTS])
if test -n "$am_cv_proto_iconv_arg1"; then
ICONV_CONST="const"
fi
])
else
dnl When compiling GNU libiconv on a system that does not have iconv yet,
dnl pick the POSIX compliant declaration without 'const'.
am_cv_proto_iconv_arg1=""
fi
AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
[Define as const if the declaration of iconv() needs const.])
dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
m4_ifdef([gl_ICONV_H_DEFAULTS],
[AC_REQUIRE([gl_ICONV_H_DEFAULTS])
if test -n "$am_cv_proto_iconv_arg1"; then
ICONV_CONST="const"
fi
])
])

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