mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-08-05 22:19:14 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

cmake: clean unreferenced functions from OpenCV modules too

Browse Source
This commit is contained in:
Alexander Alekhin 2019-03-15 18:54:08 +03:00
parent ec469b5530
commit ccbc16f3a9
1 changed files with 18 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
cmake/OpenCVCompilerOptions.cmake
View File

@ -179,12 +179,24 @@ if(CV_GCC OR CV_CLANG)
string(REPLACE "-ffunction-sections" "" ${flags} "${${flags}}")
string(REPLACE "-fdata-sections" "" ${flags} "${${flags}}")
endforeach()
elseif(NOT ((IOS OR ANDROID) AND NOT BUILD_SHARED_LIBS) AND NOT MSVC)
# Remove unreferenced functions: function level linking
add_extra_compiler_option(-ffunction-sections)
add_extra_compiler_option(-fdata-sections)
if(NOT APPLE AND NOT OPENCV_SKIP_GC_SECTIONS)
set(OPENCV_EXTRA_EXE_LINKER_FLAGS "${OPENCV_EXTRA_EXE_LINKER_FLAGS} -Wl,--gc-sections")
else()
if(MSVC)
# TODO: Clang/C2 is not supported
elseif(((IOS OR ANDROID) AND NOT BUILD_SHARED_LIBS) AND NOT OPENCV_FORCE_FUNCTIONS_SECTIONS)
# don't create separate sections for functions/data, reduce package size
else()
# Remove unreferenced functions: function level linking
add_extra_compiler_option(-ffunction-sections)
add_extra_compiler_option(-fdata-sections)
if(NOT OPENCV_SKIP_GC_SECTIONS)
if(APPLE)
set(OPENCV_EXTRA_EXE_LINKER_FLAGS "${OPENCV_EXTRA_EXE_LINKER_FLAGS} -Wl,-dead_strip")
set(OPENCV_EXTRA_SHARED_LINKER_FLAGS "${OPENCV_EXTRA_SHARED_LINKER_FLAGS} -Wl,-dead_strip")
else()
set(OPENCV_EXTRA_EXE_LINKER_FLAGS "${OPENCV_EXTRA_EXE_LINKER_FLAGS} -Wl,--gc-sections")
set(OPENCV_EXTRA_SHARED_LINKER_FLAGS "${OPENCV_EXTRA_SHARED_LINKER_FLAGS} -Wl,--gc-sections")
endif()
endif()
endif()
endif()