[Cmake-commits] CMake branch, next, updated. v3.2.1-1639-g21453f9

[Brad King]

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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=21453f911565fe00671107b49e0193c066d6ec49
commit 21453f911565fe00671107b49e0193c066d6ec49
Merge: e830e12 e5d336b
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Wed Apr 8 13:56:00 2015 -0400
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Wed Apr 8 13:56:00 2015 -0400

    Merge topic 'fix-liblzma-optimize' into next
    
    e5d336be liblzma: Disable GNU 3.3 compiler optimizations


http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=e5d336beb27ea06a0f5058d0ae87c7cd84b8b4b4
commit e5d336beb27ea06a0f5058d0ae87c7cd84b8b4b4
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Wed Apr 8 13:52:02 2015 -0400
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Wed Apr 8 13:52:02 2015 -0400

    liblzma: Disable GNU 3.3 compiler optimizations
    
    The GNU 3.3 optimizer causes bad behavior in liblzma, so disable it.

diff --git a/Utilities/cmliblzma/CMakeLists.txt b/Utilities/cmliblzma/CMakeLists.txt
index 991c699..8920536 100644
--- a/Utilities/cmliblzma/CMakeLists.txt
+++ b/Utilities/cmliblzma/CMakeLists.txt
@@ -215,6 +215,10 @@ IF(CMAKE_C_COMPILER_ID STREQUAL "XL")
   # Disable the XL compiler optimizer because it causes crashes
   # and other bad behavior in liblzma code.
   SET_PROPERTY(TARGET cmliblzma PROPERTY COMPILE_FLAGS "-qnooptimize")
+ELSEIF(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND
+       CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
+  # Disable the old GNU compiler optimizer.
+  SET_PROPERTY(TARGET cmliblzma PROPERTY COMPILE_FLAGS "-O0")
 ENDIF()
 
 INSTALL(FILES COPYING DESTINATION ${CMAKE_DOC_DIR}/cmliblzma)

-----------------------------------------------------------------------

Summary of changes:
 Utilities/cmliblzma/CMakeLists.txt |    4 ++++
 1 file changed, 4 insertions(+)


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