Chiebot-Mirror
/
opencv
mirror of https://github.com/opencv/opencv.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

cmake: avoid amending of CMAKE_COMPILER_IS_[GNUCXX|CLANGCXX|CCACHE] vars

Browse Source 
- Recommended compiler checks:
  - GCC: CV_GCC
  - Clang: CV_CLANG
- fixed problem with CMAKE_CXX_COMPILER_ID=Clang/AppleClang mess on MacOSX
  Details: cmake --help-policy CMP0025
- do not declare Clang as GCC compiler
pull/11167/head
Alexander Alekhin 7 years ago
parent 24acbecd33
commit 08941b7890
18 changed files with 120 additions and 84 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 10
      3rdparty/carotene/hal/CMakeLists.txt
  2. 4
      3rdparty/ippicv/CMakeLists.txt
  3. 2
      3rdparty/libjpeg/CMakeLists.txt
  4. 2
      3rdparty/libtiff/CMakeLists.txt
  5. 2
      3rdparty/tbb/CMakeLists.txt
  6. 24
      CMakeLists.txt
  7. 6
      cmake/OpenCVCompilerDefenses.cmake
  8. 8
      cmake/OpenCVCompilerOptimizations.cmake
  9. 28
      cmake/OpenCVCompilerOptions.cmake
  10. 4
      cmake/OpenCVDetectCUDA.cmake
  11. 63
      cmake/OpenCVDetectCXXCompiler.cmake
  12. 2
      cmake/OpenCVDetectTBB.cmake
  13. 2
      cmake/OpenCVFindLibsGUI.cmake
  14. 24
      cmake/OpenCVPCHSupport.cmake
  15. 7
      cmake/OpenCVUtils.cmake
  16. 2
      modules/java/jni/CMakeLists.txt
  17. 2
      modules/python/common.cmake
  18. 2
      samples/gpu/CMakeLists.txt

10
3rdparty/carotene/hal/CMakeLists.txt vendored
Unescape View File

@ -14,16 +14,16 @@ endif()
set(TEGRA_COMPILER_FLAGS "")
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
# Generate unwind information even for functions that can't throw/propagate exceptions.
# This lets debuggers and such get non-broken backtraces for such functions, even without debugging symbols.
list(APPEND TEGRA_COMPILER_FLAGS -funwind-tables)
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
if(X86 OR ARMEABI_V6 OR (MIPS AND ANDROID_COMPILER_VERSION VERSION_LESS "4.6"))
list(APPEND TEGRA_COMPILER_FLAGS -fweb -fwrapv -frename-registers -fsched-stalled-insns-dep=100 -fsched-stalled-insns=2)
elseif(CMAKE_COMPILER_IS_CLANGCXX)
elseif(CV_CLANG)
list(APPEND TEGRA_COMPILER_FLAGS -fwrapv)
else()
list(APPEND TEGRA_COMPILER_FLAGS -fweb -fwrapv -frename-registers -fsched2-use-superblocks -fsched2-use-traces
@ -40,7 +40,7 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TEGRA_COMPILER_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TEGRA_COMPILER_FLAGS}")
if(ARMEABI_V7A)
if (CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-tree-vectorize" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-tree-vectorize" )
endif()
@ -83,7 +83,7 @@ include_directories("${CAROTENE_DIR}/include")
get_target_property(carotene_defs carotene_objs INTERFACE_COMPILE_DEFINITIONS)
set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS ${carotene_defs})
if (CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC)
# allow more inlines - these parameters improve performance for:
# matchTemplate about 5-10%
# goodFeaturesToTrack 10-20%

4
3rdparty/ippicv/CMakeLists.txt vendored
Unescape View File

@ -20,10 +20,10 @@ file(GLOB lib_hdrs ${IPP_IW_PATH}/include/*.h ${IPP_IW_PATH}/include/iw/*.h ${IP
add_library(${IPP_IW_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})
if(UNIX)
if(CMAKE_COMPILER_IS_GNUCXX OR CV_ICC)
if(CV_GCC OR CV_CLANG OR CV_ICC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function -Wno-missing-braces -Wno-missing-field-initializers")
endif()
if (CMAKE_C_COMPILER_ID MATCHES "Clang")
if(CV_CLANG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-self-assign")
endif()
endif()

2
3rdparty/libjpeg/CMakeLists.txt vendored
Unescape View File

@ -28,7 +28,7 @@ endif()
add_library(${JPEG_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
set_source_files_properties(jcdctmgr.c PROPERTIES COMPILE_FLAGS "-O1")
endif()

2
3rdparty/libtiff/CMakeLists.txt vendored
Unescape View File

@ -244,7 +244,7 @@ mark_as_advanced(HAVE_IEEEFP)
# Large file support
if(UNIX OR MINGW)
if(ANDROID AND (ANDROID_NATIVE_API_LEVEL LESS 21) AND (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES Clang))
if(ANDROID AND (ANDROID_NATIVE_API_LEVEL LESS 21) AND CV_GCC)
# Android NDK build problem: 'mmap' issue with GCC and API<21
else()
# This might not catch every possibility catered for by

2
3rdparty/tbb/CMakeLists.txt vendored
Unescape View File

@ -73,7 +73,7 @@ if(HAVE_PTHREAD)
add_definitions(-DUSE_PTHREAD) #required for Unix
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_COMPILER_IS_CLANGCXX)
if(CV_GCC)
add_definitions(-DTBB_USE_GCC_BUILTINS=1) #required for ARM GCC
if(NOT CMAKE_CXX_COMPILER_VERSION LESS 6.0)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flifetime-dse=1") # workaround for GCC 6.x

24
CMakeLists.txt
Unescape View File

@ -313,23 +313,23 @@ OCV_OPTION(INSTALL_TESTS "Install accuracy and performance test binar
OCV_OPTION(ENABLE_CCACHE "Use ccache" (UNIX AND NOT IOS AND (CMAKE_GENERATOR MATCHES "Makefile" OR CMAKE_GENERATOR MATCHES "Ninja")) )
OCV_OPTION(ENABLE_PRECOMPILED_HEADERS "Use precompiled headers" ON IF (NOT IOS AND NOT CMAKE_CROSSCOMPILING) )
OCV_OPTION(ENABLE_SOLUTION_FOLDERS "Solution folder in Visual Studio or in other IDEs" (MSVC_IDE OR CMAKE_GENERATOR MATCHES Xcode) )
OCV_OPTION(ENABLE_PROFILING "Enable profiling in the GCC compiler (Add flags: -g -pg)" OFF IF CMAKE_COMPILER_IS_GNUCXX )
OCV_OPTION(ENABLE_COVERAGE "Enable coverage collection with GCov" OFF IF CMAKE_COMPILER_IS_GNUCXX )
OCV_OPTION(ENABLE_OMIT_FRAME_POINTER "Enable -fomit-frame-pointer for GCC" ON IF CMAKE_COMPILER_IS_GNUCXX AND NOT (APPLE AND CMAKE_COMPILER_IS_CLANGCXX) )
OCV_OPTION(ENABLE_POWERPC "Enable PowerPC for GCC" ON IF (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
OCV_OPTION(ENABLE_VSX "Enable POWER8 and above VSX (64-bit little-endian)" ON IF (CMAKE_COMPILER_IS_GNUCXX AND PPC64LE) )
OCV_OPTION(ENABLE_FAST_MATH "Enable -ffast-math (not recommended for GCC 4.6.x)" OFF IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_NEON "Enable NEON instructions" (NEON OR ANDROID_ARM_NEON OR AARCH64) IF CMAKE_COMPILER_IS_GNUCXX AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_VFPV3 "Enable VFPv3-D32 instructions" OFF IF CMAKE_COMPILER_IS_GNUCXX AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_PROFILING "Enable profiling in the GCC compiler (Add flags: -g -pg)" OFF IF CV_GCC )
OCV_OPTION(ENABLE_COVERAGE "Enable coverage collection with GCov" OFF IF CV_GCC )
OCV_OPTION(ENABLE_OMIT_FRAME_POINTER "Enable -fomit-frame-pointer for GCC" ON IF CV_GCC )
OCV_OPTION(ENABLE_POWERPC "Enable PowerPC for GCC" ON IF (CV_GCC AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
OCV_OPTION(ENABLE_VSX "Enable POWER8 and above VSX (64-bit little-endian)" ON IF (CV_GCC AND PPC64LE) )
OCV_OPTION(ENABLE_FAST_MATH "Enable -ffast-math (not recommended for GCC 4.6.x)" OFF IF (CV_GCC AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_NEON "Enable NEON instructions" (NEON OR ANDROID_ARM_NEON OR AARCH64) IF (CV_GCC OR CV_CLANG) AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_VFPV3 "Enable VFPv3-D32 instructions" OFF IF (CV_GCC OR CV_CLANG) AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_NOISY_WARNINGS "Show all warnings even if they are too noisy" OFF )
OCV_OPTION(OPENCV_WARNINGS_ARE_ERRORS "Treat warnings as errors" OFF )
OCV_OPTION(ANDROID_EXAMPLES_WITH_LIBS "Build binaries of Android examples with native libraries" OFF IF ANDROID )
OCV_OPTION(ENABLE_IMPL_COLLECTION "Collect implementation data on function call" OFF )
OCV_OPTION(ENABLE_INSTRUMENTATION "Instrument functions to collect calls trace and performance" OFF )
OCV_OPTION(ENABLE_GNU_STL_DEBUG "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)" OFF IF ((NOT CMAKE_VERSION VERSION_LESS "2.8.11") AND CMAKE_COMPILER_IS_GNUCXX) )
OCV_OPTION(ENABLE_GNU_STL_DEBUG "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)" OFF IF ((NOT CMAKE_VERSION VERSION_LESS "2.8.11") AND CV_GCC) )
OCV_OPTION(ENABLE_BUILD_HARDENING "Enable hardening of the resulting binaries (against security attacks, detects memory corruption, etc)" OFF)
OCV_OPTION(ENABLE_LTO "Enable Link Time Optimization" OFF IF CMAKE_COMPILER_IS_GNUCXX OR MSVC)
OCV_OPTION(ENABLE_THIN_LTO "Enable Thin LTO" OFF IF CMAKE_COMPILER_IS_CLANGCXX)
OCV_OPTION(ENABLE_LTO "Enable Link Time Optimization" OFF IF CV_GCC OR MSVC)
OCV_OPTION(ENABLE_THIN_LTO "Enable Thin LTO" OFF IF CV_CLANG)
OCV_OPTION(GENERATE_ABI_DESCRIPTOR "Generate XML file for abi_compliance_checker tool" OFF IF UNIX)
OCV_OPTION(CV_ENABLE_INTRINSICS "Use intrinsic-based optimized code" ON )
OCV_OPTION(CV_DISABLE_OPTIMIZATION "Disable explicit optimized code (dispatched code/intrinsics/loop unrolling/etc)" OFF )
@ -1037,7 +1037,7 @@ else()
status(" Linker flags (Release):" ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_RELEASE})
status(" Linker flags (Debug):" ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_DEBUG})
endif()
status(" ccache:" CMAKE_COMPILER_IS_CCACHE THEN YES ELSE NO)
status(" ccache:" OPENCV_COMPILER_IS_CCACHE THEN YES ELSE NO)
status(" Precompiled headers:" PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS THEN YES ELSE NO)
# ========================== Dependencies ============================

6
cmake/OpenCVCompilerDefenses.cmake
Unescape View File

@ -44,7 +44,7 @@ if(MSVC)
if(NOT X86_64)
set(OPENCV_LINKER_DEFENSES_FLAGS_COMMON "${OPENCV_LINKER_DEFENSES_FLAGS_COMMON} /safeseh")
endif()
elseif(CMAKE_COMPILER_IS_GNUCXX)
elseif(CV_GCC)
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.9")
ocv_add_defense_compiler_flag("-fstack-protector")
else()
@ -71,7 +71,7 @@ else()
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
if(NOT CMAKE_CXX_FLAGS MATCHES "-fPIC")
ocv_add_defense_compiler_flag("-fPIC")
endif()
@ -82,7 +82,7 @@ set( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${OPENCV_LINKER_DEF
set( CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${OPENCV_LINKER_DEFENSES_FLAGS_COMMON}" )
set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OPENCV_LINKER_DEFENSES_FLAGS_COMMON}" )
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
foreach(flags
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG
CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_DEBUG)

8
cmake/OpenCVCompilerOptimizations.cmake
Unescape View File

@ -211,7 +211,7 @@ if(X86 OR X86_64)
endif()
ocv_intel_compiler_optimization_option(AVX_512F "-march=common-avx512" "/arch:COMMON-AVX512")
ocv_intel_compiler_optimization_option(AVX512_SKX "-march=core-avx512" "/arch:CORE-AVX512")
elseif(CMAKE_COMPILER_IS_GNUCXX)
elseif(CV_GCC OR CV_CLANG)
ocv_update(CPU_AVX2_FLAGS_ON "-mavx2")
ocv_update(CPU_FP16_FLAGS_ON "-mf16c")
ocv_update(CPU_AVX_FLAGS_ON "-mavx")
@ -223,7 +223,7 @@ if(X86 OR X86_64)
ocv_update(CPU_SSSE3_FLAGS_ON "-mssse3")
ocv_update(CPU_SSE2_FLAGS_ON "-msse2")
ocv_update(CPU_SSE_FLAGS_ON "-msse")
if(NOT (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0")) # GCC >= 5.0
if(NOT (CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0")) # GCC >= 5.0
# -mavx512f -mavx512pf -mavx512er -mavx512cd -mavx512vl -mavx512bw -mavx512dq -mavx512ifma -mavx512vbmi
ocv_update(CPU_AVX_512F_FLAGS_ON "-mavx512f")
ocv_update(CPU_AVX512_SKX_FLAGS_ON "-mavx512f -mavx512cd -mavx512vl -mavx512bw -mavx512dq")
@ -288,7 +288,7 @@ elseif(PPC64LE)
ocv_update(CPU_KNOWN_OPTIMIZATIONS "VSX")
ocv_update(CPU_VSX_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_vsx.cpp")
if(CMAKE_COMPILER_IS_CLANGCXX AND (NOT ${CMAKE_CXX_COMPILER} MATCHES "xlc"))
if(CV_CLANG AND (NOT ${CMAKE_CXX_COMPILER} MATCHES "xlc"))
ocv_update(CPU_VSX_FLAGS_ON "-mvsx -maltivec")
else()
ocv_update(CPU_VSX_FLAGS_ON "-mcpu=power8")
@ -545,7 +545,7 @@ macro(ocv_compiler_optimization_options)
endmacro()
macro(ocv_compiler_optimization_options_finalize)
if(CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64))
if((CV_GCC OR CV_CLANG) AND (X86 OR X86_64))
if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
if(OPENCV_EXTRA_CXX_FLAGS MATCHES "-m(sse2|avx)")
add_extra_compiler_option(-mfpmath=sse) # !! important - be on the same wave with x64 compilers

28
cmake/OpenCVCompilerOptions.cmake
Unescape View File

@ -1,4 +1,14 @@
if(ENABLE_CCACHE AND NOT CMAKE_COMPILER_IS_CCACHE)
if("${CMAKE_CXX_COMPILER};${CMAKE_C_COMPILER};${CMAKE_CXX_COMPILER_LAUNCHER}" MATCHES "ccache")
set(CMAKE_COMPILER_IS_CCACHE 1) # FIXIT Avoid setting of CMAKE_ variables
set(OPENCV_COMPILER_IS_CCACHE 1)
endif()
function(access_CMAKE_COMPILER_IS_CCACHE)
if(NOT OPENCV_SUPPRESS_DEPRECATIONS)
message(WARNING "DEPRECATED: CMAKE_COMPILER_IS_CCACHE is replaced to OPENCV_COMPILER_IS_CCACHE.")
endif()
endfunction()
variable_watch(CMAKE_COMPILER_IS_CCACHE access_CMAKE_COMPILER_IS_CCACHE)
if(ENABLE_CCACHE AND NOT OPENCV_COMPILER_IS_CCACHE AND NOT CMAKE_GENERATOR MATCHES "Xcode")
# This works fine with Unix Makefiles and Ninja generators
find_host_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
@ -13,7 +23,7 @@ if(ENABLE_CCACHE AND NOT CMAKE_COMPILER_IS_CCACHE)
# ocv_check_compiler_flag(CXX "" IS_CCACHE_WORKS)
set(IS_CCACHE_WORKS 1)
if(IS_CCACHE_WORKS)
set(CMAKE_COMPILER_IS_CCACHE 1)
set(OPENCV_COMPILER_IS_CCACHE 1)
else()
message(STATUS "Unable to compile program with enabled ccache, reverting...")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${__OLD_RULE_LAUNCH_COMPILE}")
@ -24,7 +34,9 @@ if(ENABLE_CCACHE AND NOT CMAKE_COMPILER_IS_CCACHE)
endif()
endif()
if((CMAKE_COMPILER_IS_CLANGCXX OR CMAKE_COMPILER_IS_CLANGCC OR CMAKE_COMPILER_IS_CCACHE) AND NOT CMAKE_GENERATOR MATCHES "Xcode")
if((CV_CLANG AND NOT CMAKE_GENERATOR MATCHES "Xcode") # PCH has no support for Clang
OR OPENCV_COMPILER_IS_CCACHE
)
set(ENABLE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE)
endif()
@ -71,7 +83,7 @@ if(CV_ICC AND NOT ENABLE_FAST_MATH)
endif()
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC OR CV_CLANG)
# High level of warnings.
add_extra_compiler_option(-W)
add_extra_compiler_option(-Wall)
@ -101,7 +113,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
add_extra_compiler_option(-Wno-unnamed-type-template-args)
add_extra_compiler_option(-Wno-comment)
add_extra_compiler_option(-Wno-implicit-fallthrough)
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 7.2.0)
if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 7.2.0)
add_extra_compiler_option(-Wno-strict-overflow) # Issue is fixed in GCC 7.2.1
endif()
endif()
@ -113,11 +125,11 @@ if(CMAKE_COMPILER_IS_GNUCXX)
endif()
# We need pthread's
if(UNIX AND NOT ANDROID AND NOT (APPLE AND CMAKE_COMPILER_IS_CLANGCXX)) # TODO
if(UNIX AND NOT ANDROID AND NOT (APPLE AND CV_CLANG)) # TODO
add_extra_compiler_option(-pthread)
endif()
if(CMAKE_COMPILER_IS_CLANGCXX)
if(CV_CLANG)
add_extra_compiler_option(-Qunused-arguments)
endif()
@ -241,7 +253,7 @@ if(COMMAND ocv_compiler_optimization_options_finalize)
endif()
# set default visibility to hidden
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
if((CV_GCC OR CV_CLANG)
AND NOT OPENCV_SKIP_VISIBILITY_HIDDEN
AND NOT " ${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}" MATCHES " -fvisibility")
add_extra_compiler_option(-fvisibility=hidden)

4
cmake/OpenCVDetectCUDA.cmake
Unescape View File

@ -3,7 +3,7 @@ if(WIN32 AND NOT MSVC)
return()
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND NOT APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
if(NOT APPLE AND CV_CLANG)
message(STATUS "CUDA compilation is disabled (due to Clang unsupported on your platform).")
return()
endif()
@ -222,7 +222,7 @@ if(CUDA_FOUND)
endif()
# disabled because of multiple warnings during building nvcc auto generated files
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.6.0")
if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.6.0")
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-but-set-variable)
endif()

63
cmake/OpenCVDetectCXXCompiler.cmake
Unescape View File

@ -1,29 +1,54 @@
# Compilers:
# - CV_GCC - GNU compiler (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# - CV_CLANG - Clang-compatible compiler (CMAKE_CXX_COMPILER_ID MATCHES "Clang" - Clang or AppleClang, see CMP0025)
# - CV_ICC - Intel compiler
# - MSVC - Microsoft Visual Compiler (CMake variable)
# - MSVC64 - additional flag, 64-bit
# - MINGW / CYGWIN / CMAKE_COMPILER_IS_MINGW / CMAKE_COMPILER_IS_CYGWIN (CMake original variables)
# - MINGW64 - 64-bit
#
# CPU Platforms:
# - X86 / X86_64
# - ARM - ARM CPU, not defined for AArch64
# - AARCH64 - ARMv8+ (64-bit)
# - PPC64 / PPC64LE - PowerPC
#
# OS:
# - WIN32 - Windows | MINGW
# - UNIX - Linux | MacOSX | ANDROID
# - ANDROID
# - IOS
# - APPLE - MacOSX | iOS
# ----------------------------------------------------------------------------
# Detect Microsoft compiler:
# ----------------------------------------------------------------------------
if(CMAKE_CL_64)
set(MSVC64 1)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_GNUCXX 1)
set(CMAKE_COMPILER_IS_CLANGCXX 1)
if(NOT DEFINED CV_GCC AND CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set(CV_GCC 1)
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_GNUCC 1)
set(CMAKE_COMPILER_IS_CLANGCC 1)
endif()
if("${CMAKE_CXX_COMPILER};${CMAKE_C_COMPILER};${CMAKE_CXX_COMPILER_LAUNCHER}" MATCHES "ccache")
set(CMAKE_COMPILER_IS_CCACHE 1)
if(NOT DEFINED CV_CLANG AND CMAKE_CXX_COMPILER_ID MATCHES "Clang") # Clang or AppleClang (see CMP0025)
set(CV_CLANG 1)
set(CMAKE_COMPILER_IS_CLANGCXX 1) # TODO next release: remove this
set(CMAKE_COMPILER_IS_CLANGCC 1) # TODO next release: remove this
endif()
function(access_CMAKE_COMPILER_IS_CLANGCXX)
if(NOT OPENCV_SUPPRESS_DEPRECATIONS)
message(WARNING "DEPRECATED: CMAKE_COMPILER_IS_CLANGCXX support is deprecated in OpenCV.
Consider using:
- CV_GCC # GCC
- CV_CLANG # Clang or AppleClang (see CMP0025)
")
endif()
endfunction()
variable_watch(CMAKE_COMPILER_IS_CLANGCXX access_CMAKE_COMPILER_IS_CLANGCXX)
variable_watch(CMAKE_COMPILER_IS_CLANGCC access_CMAKE_COMPILER_IS_CLANGCXX)
# ----------------------------------------------------------------------------
# Detect Intel ICC compiler -- for -fPIC in 3rdparty ( UNIX ONLY ):
# see include/opencv/cxtypes.h file for related ICC & CV_ICC defines.
# NOTE: The system needs to determine if the '-fPIC' option needs to be added
# for the 3rdparty static libs being compiled. The CMakeLists.txt files
# in 3rdparty use the CV_ICC definition being set here to determine if
# the -fPIC flag should be used.
# Detect Intel ICC compiler
# ----------------------------------------------------------------------------
if(UNIX)
if (__ICL)
@ -49,15 +74,13 @@ if(NOT DEFINED CMAKE_CXX_COMPILER_VERSION)
message(WARNING "Compiler version is not available: CMAKE_CXX_COMPILER_VERSION is not set")
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
if(WIN32)
if(WIN32 AND CV_GCC)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine
OUTPUT_VARIABLE OPENCV_GCC_TARGET_MACHINE
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(OPENCV_GCC_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64")
set(MINGW64 1)
endif()
endif()
endif()
if(MSVC64 OR MINGW64)

2
cmake/OpenCVDetectTBB.cmake
Unescape View File

@ -72,7 +72,7 @@ function(ocv_tbb_env_guess _found)
INTERFACE_INCLUDE_DIRECTORIES "${TBB_ENV_INCLUDE}"
)
# workaround: system TBB library is used for linking instead of provided
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC)
get_filename_component(_dir "${TBB_ENV_LIB}" DIRECTORY)
set_target_properties(tbb PROPERTIES INTERFACE_LINK_LIBRARIES "-L${_dir}")
endif()

2
cmake/OpenCVFindLibsGUI.cmake
Unescape View File

@ -84,7 +84,7 @@ endif(WITH_OPENGL)
if(APPLE)
if(WITH_CARBON)
set(HAVE_CARBON YES)
elseif(NOT IOS AND CMAKE_COMPILER_IS_CLANGCXX)
elseif(NOT IOS AND CV_CLANG)
set(HAVE_COCOA YES)
endif()
endif()

24
cmake/OpenCVPCHSupport.cmake
Unescape View File

@ -12,7 +12,7 @@
# ADD_NATIVE_PRECOMPILED_HEADER _targetName _input _dowarn
# GET_NATIVE_PRECOMPILED_HEADER _targetName _input
IF(CMAKE_COMPILER_IS_GNUCXX)
IF(CV_GCC)
IF(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.2.0")
SET(PCHSupport_FOUND TRUE)
@ -36,7 +36,7 @@ MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
SET(${_out_compile_flags} ${${_flags_var_name}} )
IF(CMAKE_COMPILER_IS_GNUCXX)
IF(CV_GCC)
GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
IF(${_targetType} STREQUAL SHARED_LIBRARY AND NOT WIN32)
@ -74,7 +74,7 @@ MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
ocv_is_opencv_directory(__result ${item})
if(__result)
LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}\"${item}\"")
elseif(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
elseif(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
item MATCHES "/usr/include$")
# workaround for GCC 6.x bug
else()
@ -87,7 +87,7 @@ MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
ocv_is_opencv_directory(__result ${item})
if(__result)
LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}\"${item}\"")
elseif(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
elseif(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
item MATCHES "/usr/include$")
# workaround for GCC 6.x bug
else()
@ -128,7 +128,7 @@ MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
FILE(TO_NATIVE_PATH ${_input} _native_input)
FILE(TO_NATIVE_PATH ${_output} _native_output)
IF(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC)
IF(CMAKE_CXX_COMPILER_ARG1)
# remove leading space in compiler argument
STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1})
@ -141,7 +141,7 @@ MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
)
ENDIF(CMAKE_CXX_COMPILER_ARG1)
ELSE(CMAKE_COMPILER_IS_GNUCXX)
ELSE()
SET(_dummy_str "#include <${_input}>")
FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pch_dummy.cpp ${_dummy_str})
@ -151,7 +151,7 @@ MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
)
#/out:${_output}
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
ENDIF()
ENDMACRO(_PCH_GET_COMPILE_COMMAND )
@ -160,7 +160,7 @@ MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn )
FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
IF(CMAKE_COMPILER_IS_GNUCXX)
IF(CV_GCC)
# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
# on all remote machines set
# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
@ -173,11 +173,11 @@ MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn )
SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} " )
ENDIF (_dowarn)
ELSE(CMAKE_COMPILER_IS_GNUCXX)
ELSE()
set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" )
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
ENDIF()
ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS )
@ -205,7 +205,7 @@ MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use )
_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn})
#MESSAGE("Add flags ${_target_cflags} to ${_targetName} " )
if(CMAKE_COMPILER_IS_GNUCXX)
if(CV_GCC)
set(_target_cflags "${_target_cflags} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_name}\"")
endif()
@ -403,7 +403,7 @@ macro(ocv_add_precompiled_header_to_target the_target pch_header)
if(PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS AND EXISTS "${pch_header}")
if(CMAKE_GENERATOR MATCHES "^Visual" OR CMAKE_GENERATOR MATCHES Xcode)
add_native_precompiled_header(${the_target} ${pch_header})
elseif(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
elseif(CV_GCC AND CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
add_precompiled_header(${the_target} ${pch_header})
endif()
endif()

7
cmake/OpenCVUtils.cmake
Unescape View File

@ -2,6 +2,7 @@ include(CMakeParseArguments)
# Debugging function
function(ocv_cmake_dump_vars)
set(OPENCV_SUPPRESS_DEPRECATIONS 1) # suppress deprecation warnings from variable_watch() guards
get_cmake_property(__variableNames VARIABLES)
cmake_parse_arguments(DUMP "" "TOFILE" "" ${ARGN})
set(regex "${DUMP_UNPARSED_ARGUMENTS}")
@ -203,7 +204,7 @@ function(ocv_include_directories)
ocv_is_opencv_directory(__is_opencv_dir "${dir}")
if(__is_opencv_dir)
list(APPEND __add_before "${dir}")
elseif(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
elseif(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
dir MATCHES "/usr/include$")
# workaround for GCC 6.x bug
else()
@ -234,7 +235,7 @@ function(ocv_target_include_directories target)
#ocv_debug_message("ocv_target_include_directories(${target} ${ARGN})")
_ocv_fix_target(target)
set(__params "")
if(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
if(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
";${ARGN};" MATCHES "/usr/include;")
return() # workaround for GCC 6.x bug
endif()
@ -444,7 +445,7 @@ macro(ocv_warnings_disable)
set(${var} "${${var}} ${warning}")
endforeach()
endforeach()
elseif((CMAKE_COMPILER_IS_GNUCXX OR (UNIX AND CV_ICC)) AND _gxx_warnings AND _flag_vars)
elseif(((CV_GCC OR CV_CLANG) OR (UNIX AND CV_ICC)) AND _gxx_warnings AND _flag_vars)
foreach(var ${_flag_vars})
foreach(warning ${_gxx_warnings})
if(NOT warning MATCHES "^-Wno-")

2
modules/java/jni/CMakeLists.txt
Unescape View File

@ -46,7 +46,7 @@ if(BUILD_FAT_JAVA_LIB)
foreach(_dep ${__deps})
ocv_target_link_libraries(${the_module} LINK_PRIVATE -Wl,-force_load "${_dep}")
endforeach()
elseif(((CMAKE_COMPILER_IS_GNUCXX OR UNIX) OR (OPENCV_FORCE_FAT_JAVA_LIB_LD_RULES)) AND (NOT OPENCV_SKIP_FAT_JAVA_LIB_LD_RULES))
elseif(((CV_GCC OR CV_CLANG OR UNIX) OR (OPENCV_FORCE_FAT_JAVA_LIB_LD_RULES)) AND (NOT OPENCV_SKIP_FAT_JAVA_LIB_LD_RULES))
ocv_target_link_libraries(${the_module} LINK_PRIVATE -Wl,-whole-archive ${__deps} -Wl,-no-whole-archive)
else()
ocv_target_link_libraries(${the_module} LINK_PRIVATE ${__deps})

2
modules/python/common.cmake
Unescape View File

@ -64,7 +64,7 @@ if(MSVC)
add_definitions(-DCVAPI_EXPORTS)
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND NOT ENABLE_NOISY_WARNINGS)
if((CV_GCC OR CV_CLANG) AND NOT ENABLE_NOISY_WARNINGS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-function")
endif()

2
samples/gpu/CMakeLists.txt
Unescape View File

@ -40,7 +40,7 @@ endif()
if(HAVE_CUDA)
ocv_include_directories(${CUDA_INCLUDE_DIRS})
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND NOT ENABLE_NOISY_WARNINGS)
if((CV_GCC OR CV_CLANG) AND NOT ENABLE_NOISY_WARNINGS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
endif()
file(GLOB all_samples RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp)

Write Preview
Loading…
Cancel
Save