From 8cbc47ec49295c502ec91a71848f8ba3a1fe9b76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= <tor.arne.vestbo@digia.com>
Date: Thu, 16 Jan 2014 19:41:11 +0100
Subject: [PATCH] Don't pass -mfpmath=sse to Clang < 3.4, it's not supported

Change-Id: I875f72802d8745488d34f836818b21aafe69dcff
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 mkspecs/features/qt_module.prf | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/mkspecs/features/qt_module.prf b/mkspecs/features/qt_module.prf
index c83133075b..32a722fb53 100644
--- a/mkspecs/features/qt_module.prf
+++ b/mkspecs/features/qt_module.prf
@@ -137,7 +137,17 @@ sse2:!contains(QT_CPU_FEATURES.$$QT_ARCH, sse2):!host_build:!if(static:contains(
     QMAKE_CFLAGS += $$QMAKE_CFLAGS_SSE2
     QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_SSE2
 }
-gcc:equals(QT_ARCH, i386):contains(QT_CPU_FEATURES.$$QT_ARCH, sse2) {
+
+clang {
+    apple_clang_ver = $${QT_APPLE_CLANG_MAJOR_VERSION}.$${QT_APPLE_CLANG_MINOR_VERSION}
+    reg_clang_ver = $${QT_CLANG_MAJOR_VERSION}.$${QT_CLANG_MINOR_VERSION}
+    !lessThan(apple_clang_ver, "5.1")|!lessThan(reg_clang_ver, "3.4"): \
+        CONFIG += compiler_supports_fpmath
+} else: gcc {
+    CONFIG += compiler_supports_fpmath
+}
+
+equals(QT_ARCH, i386):contains(QT_CPU_FEATURES.$$QT_ARCH, sse2):compiler_supports_fpmath {
     # Turn on SSE-based floating-point math
     QMAKE_CFLAGS += -mfpmath=sse
     QMAKE_CXXFLAGS += -mfpmath=sse