/usr/share/aclocal/ax_asm_inline.m4 is in autoconf-archive 20140228-1.1.
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# http://www.gnu.org/software/autoconf-archive/ax_asm_inline.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_ASM_INLINE()
#
# DESCRIPTION
#
# Tests for C compiler support of inline assembly instructions. If inline
# assembly is supported, this macro #defines ASM_INLINE to be the
# appropriate keyword.
#
# LICENSE
#
# Copyright (c) 2008 Alan Woodland <ajw05@aber.ac.uk>
# Copyright (c) 2009 Rhys Ulerich <rhys.ulerich@gmail.com>
#
# 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 2
AC_DEFUN([AX_ASM_INLINE], [
AC_LANG_PUSH([C])
AC_MSG_CHECKING(for inline assembly style)
AC_CACHE_VAL(ac_cv_asm_inline, [
ax_asm_inline_keywords="__asm__ __asm none"
for ax_asm_inline_keyword in $ax_asm_inline_keywords; do
case $ax_asm_inline_keyword in
none) ac_cv_asm_inline=none ; break ;;
*)
AC_TRY_COMPILE(
[#include <stdlib.h>
static void
foo(void) {
] $ax_asm_inline_keyword [("");
exit(1);
}],
[],
[ac_cv_asm_inline=$ax_asm_inline_keyword ; break],
ac_cv_asm_inline=none
)
esac
done
])
if test "$ac_cv_asm_inline" != "none"; then
AC_DEFINE_UNQUOTED([ASM_INLINE], $ac_cv_asm_inline, [If the compiler supports inline assembly define it to that keyword here])
fi
AC_MSG_RESULT($ac_cv_asm_inline)
AC_LANG_POP([C])
])
|