From e8871e5ba82959438f17aee43bd66061190b7653 Mon Sep 17 00:00:00 2001
From: Ansgar Philippsen <ansgar.philippsen@gmail.com>
Date: Mon, 9 Jul 2012 17:07:10 -0400
Subject: [PATCH] fixed bug in CMakeList what would trigger rebuilds whenever
cmake was re-run
---
CMakeLists.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b8f348b2..7f190fe37 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -246,7 +246,10 @@ else()
endif()
if (CMAKE_COMPILER_IS_GNUCXX)
- set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-strict-aliasing" CACHE STRING "" FORCE)
+ # do not write back into cache, otherwise the compile command line gets expanded
+ # with multiple -fno-strict-aliasing flags, triggering a complete rebuild whenever
+ # cmake is run
+ set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-strict-aliasing")
endif()
--
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