-# multiarch.m4 serial 3
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# multiarch.m4 serial 7
+dnl Copyright (C) 2008-2013 Free Software Foundation, 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.
# Determine whether the compiler is or may be producing universal binaries.
#
-# On MacOS X 10.5 and later systems, the user can create libraries and
+# On Mac OS X 10.5 and later systems, the user can create libraries and
# executables that work on multiple system types--known as "fat" or
# "universal" binaries--by specifying multiple '-arch' options to the
# compiler but only a single '-arch' option to the preprocessor. Like
# CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
# CPP="gcc -E" CXXCPP="g++ -E"
#
-# Detect this situation and set the macro AA_APPLE_UNIVERSAL_BUILD at the
-# beginning of config.h and set APPLE_UNIVERSAL_BUILD accordingly.
+# Detect this situation and set APPLE_UNIVERSAL_BUILD accordingly.
-AC_DEFUN([gl_MULTIARCH],
-[
- dnl This AC_REQUIRE is not necessary in theory. It works around a bug in
- dnl autoconf <= 2.63: AC_REQUIRE invocations inside AC_REQUIREd macros are
- dnl being handled better than AC_REQUIRE invocations inside normally invoked
- dnl macros.
- AC_REQUIRE([gl_MULTIARCH_BODY])
-])
-
-AC_DEFUN([gl_MULTIARCH_BODY],
+AC_DEFUN_ONCE([gl_MULTIARCH],
[
dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN.
gl_cv_c_multiarch=no
done
])
if test $gl_cv_c_multiarch = yes; then
- AC_DEFINE([AA_APPLE_UNIVERSAL_BUILD], [1],
- [Define if the compiler is building for multiple architectures of Apple platforms at once.])
APPLE_UNIVERSAL_BUILD=1
else
APPLE_UNIVERSAL_BUILD=0