Fixing SSE instability for Mingw32 systems (see issue 1736)
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@@ -33,7 +33,16 @@ set (PROC_TARGET_NUMBER 0 CACHE STRING "Selected target processor from the list
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# It were moved away from rtengine/CMakefiles.txt, because some users may want to remove -ffast_math :
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# this flag speeds up the floating-point operations, but with a little bite less precisions. This default value
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# gives the same result/behaviour as before.
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set (RTENGINE_CXX_FLAGS "-ffast-math -funroll-loops" CACHE STRING "Special compilation flags for RTEngine")
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# Due to a bug in GCC when using OpenMP+SSE, -mstackrealign will be added to your flags
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set (RTENGINE_CXX_FLAGS "-ffast-math -funroll-loops" CACHE STRING "Special compilation flags for RTEngine; -mstackrealign will be added to your flags")
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if (WIN32)
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if (CMAKE_SIZEOF_VOID_P EQUAL 4)
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set (RTENGINE_CXX_FLAGS_MANDATORY "-mstackrealign")
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elseif (CMAKE_SIZEOF_VOID_P EQUAL 8)
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set (RTENGINE_CXX_FLAGS_MANDATORY "")
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endif (CMAKE_SIZEOF_VOID_P EQUAL 4)
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endif (WIN32)
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#loading the processor targets list
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include (ProcessorTargets.cmake)
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@@ -29,7 +29,7 @@ IF (BUILD_SHARED_LIBS)
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install (TARGETS rtengine DESTINATION ${LIBDIR})
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ENDIF (BUILD_SHARED_LIBS)
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set_target_properties (rtengine PROPERTIES COMPILE_FLAGS "${RTENGINE_CXX_FLAGS}")
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set_target_properties (rtengine PROPERTIES COMPILE_FLAGS "${RTENGINE_CXX_FLAGS} ${RTENGINE_CXX_FLAGS_MANDATORY}")
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target_link_libraries (rtengine rtexif ${EXTRA_LIB} ${GOBJECT_LIBRARIES} ${GTHREAD_LIBRARIES}
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${GLIB2_LIBRARIES} ${GLIBMM_LIBRARIES} ${LCMS_LIBRARIES} ${EXPAT_LIBRARIES} ${FFTW3F_LIBRARIES} ${IPTCDATA_LIBRARIES}
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