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Fix for Homebrew. I don't care about another environments. This may be reverted and...
[pf3gnuchains/gcc-fork.git] / libquadmath / acinclude.m4
index 3bbd055..38e0808 100644 (file)
@@ -1,47 +1,6 @@
 dnl ----------------------------------------------------------------------
 dnl This whole bit snagged from libgfortran.
 
-dnl Check whether the target supports __sync_*_compare_and_swap.
-AC_DEFUN([LIBGOMP_CHECK_SYNC_BUILTINS], [
-  AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap],
-                 libgomp_cv_have_sync_builtins, [
-  AC_TRY_LINK([], [int foo; __sync_val_compare_and_swap(&foo, 0, 1);],
-              libgomp_cv_have_sync_builtins=yes, libgomp_cv_have_sync_builtins=no)])
-  if test $libgomp_cv_have_sync_builtins = yes; then
-    AC_DEFINE(HAVE_SYNC_BUILTINS, 1,
-              [Define to 1 if the target supports __sync_*_compare_and_swap])
-  fi])
-
-dnl Check whether the target supports hidden visibility.
-AC_DEFUN([LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY], [
-  AC_CACHE_CHECK([whether the target supports hidden visibility],
-                 libgomp_cv_have_attribute_visibility, [
-  save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Werror"
-  AC_TRY_COMPILE([void __attribute__((visibility("hidden"))) foo(void) { }],
-                 [], libgomp_cv_have_attribute_visibility=yes,
-                 libgomp_cv_have_attribute_visibility=no)
-  CFLAGS="$save_CFLAGS"])
-  if test $libgomp_cv_have_attribute_visibility = yes; then
-    AC_DEFINE(HAVE_ATTRIBUTE_VISIBILITY, 1,
-      [Define to 1 if the target supports __attribute__((visibility(...))).])
-  fi])
-
-dnl Check whether the target supports dllexport
-AC_DEFUN([LIBGOMP_CHECK_ATTRIBUTE_DLLEXPORT], [
-  AC_CACHE_CHECK([whether the target supports dllexport],
-                 libgomp_cv_have_attribute_dllexport, [
-  save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Werror"
-  AC_TRY_COMPILE([void __attribute__((dllexport)) foo(void) { }],
-                 [], libgomp_cv_have_attribute_dllexport=yes,
-                 libgomp_cv_have_attribute_dllexport=no)
-  CFLAGS="$save_CFLAGS"])
-  if test $libgomp_cv_have_attribute_dllexport = yes; then
-    AC_DEFINE(HAVE_ATTRIBUTE_DLLEXPORT, 1,
-      [Define to 1 if the target supports __attribute__((dllexport)).])
-  fi])
-
 sinclude(../libtool.m4)
 dnl The lines below arrange for aclocal not to bring an installed
 dnl libtool.m4 into aclocal.m4, while still arranging for automake to