Suppress obsolete macro warnings. Fixes #122

autogen.sh

@@ -2,6 +2,26 @@
 test -n "$srcdir" || srcdir=`dirname "$0"`
 test -n "$srcdir" || srcdir=.
 
+# Suppress warnings about obsolete macros if still needed (#122)
+ac_dir=$(aclocal --print-ac-dir)
+if test -r "$ac_dir/ax_create_stdint_h.m4"; then
+    serial=$(awk '/#serial/{ print $2 }' "$ac_dir/ax_create_stdint_h.m4")
+    if test "$serial" -lt 21; then
+	m4_dir=$(autoconf -t 'AC_CONFIG_MACRO_DIR:$%')
+	target="$srcdir/$m4_dir/ax_create_stdint_h.m4"
+	echo "Copying file to $target"
+	cp "$ac_dir/ax_create_stdint_h.m4" "$srcdir/$m4_dir"
+	if test "$serial" -lt 20; then
+	    echo "patching file $target to #serial 20"
+	    patch --quiet $target \
+		  "$srcdir/ax_create_stdint_h.19-20.m4.patch"
+	fi
+	echo "patching file $target to #serial 21"
+	patch --quiet "$target" \
+	      "$srcdir/ax_create_stdint_h.20-21.m4.patch"
+    fi
+fi
+
 autoreconf --force --install --verbose --warnings=all "$srcdir"
 patch "$srcdir/ltmain.sh" "$srcdir/ltmain.sh.patch"
 patch "$srcdir/po/Rules-quot" "$srcdir/Rules-quot.patch"

ax_create_stdint_h.19-20.m4.patch

@@ -0,0 +1,52 @@
+From: Guido Draheim <guidod@gmx.de>
+Date: Sat, 21 Jul 2018 10:31:26 +0000 (+0200)
+Subject: all-permissive for macros from Guido Draheim (only author)
+X-Git-Tag: v2019.01.06~19^2~22
+X-Git-Url: https://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=commitdiff_plain;h=817d63c5660776f8504381e769bf8aa4235571e4
+
+all-permissive for macros from Guido Draheim (only author)
+---
+
+diff --git a/m4/ax_create_stdint_h.m4 b/m4/ax_create_stdint_h.m4
+index 440069b..8fccde1 100644
+--- a/m4/ax_create_stdint_h.m4
++++ b/m4/ax_create_stdint_h.m4
+@@ -48,33 +48,12 @@
+ #
+ #   Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
+ #
+-#   This program is free software; you can redistribute it and/or modify it
+-#   under the terms of the GNU General Public License as published by the
+-#   Free Software Foundation; either version 3 of the License, or (at your
+-#   option) any later version.
+-#
+-#   This program is distributed in the hope that it will be useful, but
+-#   WITHOUT ANY WARRANTY; without even the implied warranty of
+-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+-#   Public License for more details.
+-#
+-#   You should have received a copy of the GNU General Public License along
+-#   with this program. If not, see <https://www.gnu.org/licenses/>.
+-#
+-#   As a special exception, the respective Autoconf Macro's copyright owner
+-#   gives unlimited permission to copy, distribute and modify the configure
+-#   scripts that are the output of Autoconf when processing the Macro. You
+-#   need not follow the terms of the GNU General Public License when using
+-#   or distributing such scripts, even though portions of the text of the
+-#   Macro appear in them. The GNU General Public License (GPL) does govern
+-#   all other use of the material that constitutes the Autoconf Macro.
+-#
+-#   This special exception to the GPL applies to versions of the Autoconf
+-#   Macro released by the Autoconf Archive. When you make and distribute a
+-#   modified version of the Autoconf Macro, you may extend this special
+-#   exception to the GPL to apply to your modified version as well.
++#   Copying and distribution of this file, with or without modification, are
++#   permitted in any medium without royalty provided the copyright notice
++#   and this notice are preserved.  This file is offered as-is, without any
++#   warranty.
+ 
+-#serial 19
++#serial 20
+ 
+ AC_DEFUN([AX_CHECK_DATA_MODEL],[
+    AC_CHECK_SIZEOF(char)

ax_create_stdint_h.20-21.m4.patch

@@ -0,0 +1,35 @@
+X-Git-Url: https://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blobdiff_plain;f=m4%2Fax_create_stdint_h.m4;h=94fbeb404829c232787e27193d6c24b2509a6f24;hp=8fccde1d4121ab374aed30b4c78cf287ce3be7c9;hb=b26684dc2f29222d9581089ea8cfb2fc54319fb4;hpb=68e93457f1d6f73f8e5019e7a0a97851085dc0fa
+
+diff --git a/m4/ax_create_stdint_h.m4 b/m4/ax_create_stdint_h.m4
+index 8fccde1..94fbeb4 100644
+--- a/m4/ax_create_stdint_h.m4
++++ b/m4/ax_create_stdint_h.m4
+@@ -53,7 +53,7 @@
+ #   and this notice are preserved.  This file is offered as-is, without any
+ #   warranty.
+ 
+-#serial 20
++#serial 21
+ 
+ AC_DEFUN([AX_CHECK_DATA_MODEL],[
+    AC_CHECK_SIZEOF(char)
+@@ -152,14 +152,14 @@ AC_CACHE_VAL([ac_cv_header_stdint_t],[
+ old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS=""
+ old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS=""
+ old_CFLAGS="$CFLAGS"     ; CFLAGS=""
+-AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;],
++AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>]], [[int_least32_t v = 0;]])],
+ [ac_cv_stdint_result="(assuming C99 compatible system)"
+- ac_cv_header_stdint_t="stdint.h"; ],
+-[ac_cv_header_stdint_t=""])
++ ac_cv_header_stdint_t="stdint.h";],
++ [ac_cv_header_stdint_t=""])
+ if test "$GCC" = "yes" && test ".$ac_cv_header_stdint_t" = "."; then
+ CFLAGS="-std=c99"
+-AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;],
+-[AC_MSG_WARN(your GCC compiler has a defunct stdint.h for its default-mode)])
++AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>]], [[int_least32_t v = 0;]])],
++[AC_MSG_WARN(your GCC compiler has a defunct stdint.h for its default-mode)], [])
+ fi
+ CXXFLAGS="$old_CXXFLAGS"
+ CPPFLAGS="$old_CPPFLAGS"