diff options
Diffstat (limited to 'media-libs/gmmlib/files/gmmlib-20.4.1_custom_cflags.patch')
-rw-r--r-- | media-libs/gmmlib/files/gmmlib-20.4.1_custom_cflags.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/media-libs/gmmlib/files/gmmlib-20.4.1_custom_cflags.patch b/media-libs/gmmlib/files/gmmlib-20.4.1_custom_cflags.patch new file mode 100644 index 000000000000..befd33f83bb6 --- /dev/null +++ b/media-libs/gmmlib/files/gmmlib-20.4.1_custom_cflags.patch @@ -0,0 +1,98 @@ +Prevent overriding of user-define CFLAGS, including -march flag. +The flag -msse4.1 is required otherwise compile will not be able to inline sse4.1 code. +Note: code should detect CPU features at runtime and use sse4.1 paths only if supported by CPU. + +--- a/Source/GmmLib/CMakeLists.txt ++++ b/Source/GmmLib/CMakeLists.txt +@@ -54,6 +54,10 @@ if(NOT DEFINED BS_USE_OSDM_BUILD_SYSTEM) + endif() + endif() + ++if(NOT DEFINED OVERRIDE_COMPILER_FLAGS) ++ option(OVERRIDE_COMPILER_FLAGS "Override user compiler FLAGS and use lib defaults" ON) ++endif() ++ + # begin -- label bldsys file prologue + # WARNING: The "project" statement triggers reading of CMAKE_TOOLCHAIN_FILE + # and so must precede the inclusion below of bs_init.cmake . +--- a/Source/GmmLib/Linux.cmake ++++ b/Source/GmmLib/Linux.cmake +@@ -38,7 +38,10 @@ SET (GMMLIB_COMPILER_FLAGS_COMMON + -Werror=format-security + -Werror=non-virtual-dtor + -Werror=return-type ++ ) + ++if (OVERRIDE_COMPILER_FLAGS) ++ list (APPEND GMMLIB_COMPILER_FLAGS_COMMON + # General optimization options + -march=${GMMLIB_MARCH} + -mpopcnt +@@ -47,19 +50,31 @@ SET (GMMLIB_COMPILER_FLAGS_COMMON + -msse3 + -mssse3 + -msse4 +- -msse4.1 + -msse4.2 ++ ) ++endif() ++ ++list (APPEND GMMLIB_COMPILER_FLAGS_COMMON ++ -msse4.1 # SSE4.1 compiler support is required to build + -mfpmath=sse + -finline-functions + -fno-short-enums + -Wa,--noexecstack + -fno-strict-aliasing ++ ) ++ ++if (OVERRIDE_COMPILER_FLAGS) ++ list (APPEND GMMLIB_COMPILER_FLAGS_COMMON + # Common defines + -DUSE_MMX + -DUSE_SSE + -DUSE_SSE2 + -DUSE_SSE3 + -DUSE_SSSE3 ++ ) ++endif() ++ ++list (APPEND GMMLIB_COMPILER_FLAGS_COMMON + # Other common flags + -fstack-protector + -fdata-sections +@@ -67,10 +82,15 @@ SET (GMMLIB_COMPILER_FLAGS_COMMON + -fmessage-length=0 + -fvisibility=hidden + -fPIC ++ ) ++ ++if (OVERRIDE_COMPILER_FLAGS) ++ list (APPEND GMMLIB_COMPILER_FLAGS_COMMON + -g + # -m32 or -m64 + -m${GMMLIB_ARCH} + ) ++endif() + + if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") + #Gcc only flags +@@ -128,13 +148,17 @@ SET( GMMLIB_COMPILER_FLAGS_RELEASEINTERNAL ${GMMLIB_COMPILER_FLAGS_RELEASE}) + + #set predefined compiler flags set + add_compile_options("${GMMLIB_COMPILER_FLAGS_COMMON}") ++if (OVERRIDE_COMPILER_FLAGS) + add_compile_options("$<$<CONFIG:Debug>:${GMMLIB_COMPILER_FLAGS_DEBUG}>") + add_compile_options("$<$<CONFIG:Release>:${GMMLIB_COMPILER_FLAGS_RELEASE}>") + add_compile_options("$<$<CONFIG:ReleaseInternal>:${GMMLIB_COMPILER_FLAGS_RELEASEINTERNAL}>") + #cmake 3.3+, add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:${GMMLIB_COMPILER_CXX_FLAGS_COMMON}>") ++endif() + foreach (flag ${GMMLIB_COMPILER_CXX_FLAGS_COMMON}) + SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") + endforeach() + ++if (OVERRIDE_COMPILER_FLAGS) + SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m${GMMLIB_ARCH}") + SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m${GMMLIB_ARCH}") ++endif() + |