From 9b5a02a533bc714de565e493c51232c0e0896372 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Mon, 20 Aug 2012 11:27:14 +0000
Subject: [PATCH] Take -fast out of the flags when compiling C files with Clang
 because this flag is apparently not recognized.

git-svn-id: https://svn.dealii.org/trunk@26026 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/aclocal.m4 | 4 ++--
 deal.II/configure  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/deal.II/aclocal.m4 b/deal.II/aclocal.m4
index 17ceee0dd0..3c12985d5c 100644
--- a/deal.II/aclocal.m4
+++ b/deal.II/aclocal.m4
@@ -1680,7 +1680,7 @@ AC_DEFUN(DEAL_II_SET_CC_FLAGS, dnl
 
       clang)
           CFLAGS="$CFLAGS -g"
-          CFLAGSO="$CFLAGS -fast -O2"
+          CFLAGSO="$CFLAGS -O2"
           CFLAGSPIC="-fPIC"
           ;;
 
@@ -1988,7 +1988,7 @@ AC_DEFUN(DEAL_II_CHECK_DYNAMIC_CAST_BUG,
     AC_DEFINE(DEAL_II_HAVE_DARWIN_DYNACAST_BUG, 1,
               [Defined if the compiler has a bug with dynamic casting
                and dynamic libraries])
-    if(test "`sw_vers -productVersion`" != "10.8");then 
+    if(test "`sw_vers -productVersion`" != "10.8");then
 	CXXFLAGSG="$CXXFLAGSG -mmacosx-version-min=10.4"
 	CXXFLAGSO="$CXXFLAGSO -mmacosx-version-min=10.4"
 	LDFLAGS="$LDFLAGS -mmacosx-version-min=10.4"
diff --git a/deal.II/configure b/deal.II/configure
index 8409e4b887..4aa91dead8 100755
--- a/deal.II/configure
+++ b/deal.II/configure
@@ -5820,7 +5820,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
       clang)
           CFLAGS="$CFLAGS -g"
-          CFLAGSO="$CFLAGS -fast -O2"
+          CFLAGSO="$CFLAGS -O2"
           CFLAGSPIC="-fPIC"
           ;;
 
-- 
2.39.5