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Fixing SSE instability for Mingw32 systems (see issue 1736)

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natureh 510
2013-03-16 20:14:25 +01:00
parent 5bf9946a3c
commit 87ffd572b2
2 changed files with 11 additions and 2 deletions
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11
CMakeLists.txt
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@@ -33,7 +33,16 @@ set (PROC_TARGET_NUMBER 0 CACHE STRING "Selected target processor from the list
# It were moved away from rtengine/CMakefiles.txt, because some users may want to remove -ffast_math : # It were moved away from rtengine/CMakefiles.txt, because some users may want to remove -ffast_math :
# this flag speeds up the floating-point operations, but with a little bite less precisions. This default value # this flag speeds up the floating-point operations, but with a little bite less precisions. This default value
# gives the same result/behaviour as before. # gives the same result/behaviour as before.
set (RTENGINE_CXX_FLAGS "-ffast-math -funroll-loops" CACHE STRING "Special compilation flags for RTEngine") # Due to a bug in GCC when using OpenMP+SSE, -mstackrealign will be added to your flags
set (RTENGINE_CXX_FLAGS "-ffast-math -funroll-loops" CACHE STRING "Special compilation flags for RTEngine; -mstackrealign will be added to your flags")
if (WIN32)
if (CMAKE_SIZEOF_VOID_P EQUAL 4)
set (RTENGINE_CXX_FLAGS_MANDATORY "-mstackrealign")
elseif (CMAKE_SIZEOF_VOID_P EQUAL 8)
set (RTENGINE_CXX_FLAGS_MANDATORY "")
endif (CMAKE_SIZEOF_VOID_P EQUAL 4)
endif (WIN32)
#loading the processor targets list #loading the processor targets list
include (ProcessorTargets.cmake) include (ProcessorTargets.cmake)

2
rtengine/CMakeLists.txt
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@@ -29,7 +29,7 @@ IF (BUILD_SHARED_LIBS)
install (TARGETS rtengine DESTINATION ${LIBDIR}) install (TARGETS rtengine DESTINATION ${LIBDIR})
ENDIF (BUILD_SHARED_LIBS) ENDIF (BUILD_SHARED_LIBS)
set_target_properties (rtengine PROPERTIES COMPILE_FLAGS "${RTENGINE_CXX_FLAGS}") set_target_properties (rtengine PROPERTIES COMPILE_FLAGS "${RTENGINE_CXX_FLAGS} ${RTENGINE_CXX_FLAGS_MANDATORY}")
target_link_libraries (rtengine rtexif ${EXTRA_LIB} ${GOBJECT_LIBRARIES} ${GTHREAD_LIBRARIES} target_link_libraries (rtengine rtexif ${EXTRA_LIB} ${GOBJECT_LIBRARIES} ${GTHREAD_LIBRARIES}
${GLIB2_LIBRARIES} ${GLIBMM_LIBRARIES} ${LCMS_LIBRARIES} ${EXPAT_LIBRARIES} ${FFTW3F_LIBRARIES} ${IPTCDATA_LIBRARIES} ${GLIB2_LIBRARIES} ${GLIBMM_LIBRARIES} ${LCMS_LIBRARIES} ${EXPAT_LIBRARIES} ${FFTW3F_LIBRARIES} ${IPTCDATA_LIBRARIES}