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cmake: fix try_compile() with --coverage flags

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This commit is contained in:
Alexander Alekhin 2017-03-23 18:12:48 +03:00
parent f70cc29edb
commit 69df0eee77
3 changed files with 6 additions and 0 deletions
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4
CMakeLists.txt
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@ -95,6 +95,10 @@ if(POLICY CMP0051)
cmake_policy(SET CMP0051 NEW)
endif()
if(POLICY CMP0056)
cmake_policy(SET CMP0056 NEW)
endif()
include(cmake/OpenCVUtils.cmake)
# must go before the project command

1
cmake/OpenCVCompilerOptions.cmake
View File

@ -192,6 +192,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
if(ENABLE_COVERAGE)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} --coverage")
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} --coverage")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
endif()
if(ENABLE_INSTRUMENTATION)

1
cmake/OpenCVUtils.cmake
View File

@ -260,6 +260,7 @@ MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
TRY_COMPILE(${RESULT}
"${CMAKE_BINARY_DIR}"
"${_fname}"
CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS=${CMAKE_EXE_LINKER_FLAGS}" # CMP0056 do this on new CMake
COMPILE_DEFINITIONS "${FLAG}"
OUTPUT_VARIABLE OUTPUT)