generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Suppressed hundreds of useless MSVC warnings (can be reenabled setting cmake variable ENABLE_NOISY_WARNINGS to ON). Fixed some of remaining warnings.

Browse Source
This commit is contained in:
Andrey Kamaev
2012-04-08 21:49:19 +00:00
parent c16a1d86cc
commit 7cc7a3f37d
23 changed files with 200 additions and 181 deletions
Download Patch File Download Diff File Expand all files Collapse all files

259
cmake/OpenCVCompilerOptions.cmake
View File

@@ -1,5 +1,5 @@
if (WIN32 AND CMAKE_GENERATOR MATCHES "(MinGW)|(MSYS)")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "")
endif()
set(OPENCV_EXTRA_C_FLAGS "")
@@ -10,143 +10,140 @@ set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "")
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG "")
if(MSVC)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS")
# 64-bit portability warnings, in MSVC8
if(MSVC80)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /Wp64")
endif()
#if(MSVC90)
# set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /D _BIND_TO_CURRENT_CRT_VERSION=1 /D _BIND_TO_CURRENT_VCLIBS_VERSION=1")
#endif()
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS")
# 64-bit portability warnings, in MSVC80
if(MSVC80)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /Wp64")
endif()
if(BUILD_WITH_DEBUG_INFO)
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE} /debug")
endif()
if(BUILD_WITH_DEBUG_INFO)
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE} /debug")
endif()
# Remove unreferenced functions: function level linking
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /Gy")
set(OPENCV_EXTRA_C_FLAGS_DEBUG "${OPENCV_EXTRA_C_FLAGS_DEBUG} /bigobj")
if(BUILD_WITH_DEBUG_INFO)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /Zi")
endif()
# Remove unreferenced functions: function level linking
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /Gy")
set(OPENCV_EXTRA_C_FLAGS_DEBUG "${OPENCV_EXTRA_C_FLAGS_DEBUG} /bigobj")
if(BUILD_WITH_DEBUG_INFO)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /Zi")
endif()
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
# High level of warnings.
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Wall")
# High level of warnings.
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Wall")
# The -Wno-long-long is required in 64bit systems when including sytem headers.
if(X86_64)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Wno-long-long")
# The -Wno-long-long is required in 64bit systems when including sytem headers.
if(X86_64)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Wno-long-long")
endif()
# We need pthread's
if(UNIX AND NOT ANDROID)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -pthread")
endif()
if(OPENCV_WARNINGS_ARE_ERRORS)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Werror")
endif()
if(X86 AND NOT MINGW64 AND NOT X86_64 AND NOT APPLE)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -march=i686")
endif()
# Other optimizations
if(ENABLE_OMIT_FRAME_POINTER)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -fomit-frame-pointer")
else()
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -fno-omit-frame-pointer")
endif()
if(ENABLE_FAST_MATH)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -ffast-math")
endif()
if(ENABLE_POWERPC)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mcpu=G3 -mtune=G5")
endif()
if(ENABLE_SSE)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse")
endif()
if(ENABLE_SSE2)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse2")
endif()
# SSE3 and further should be disabled under MingW because it generates compiler errors
if(NOT MINGW)
if(ENABLE_SSE3)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse3")
endif()
# We need pthread's
if(UNIX AND NOT ANDROID)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -pthread")
if(${CMAKE_OPENCV_GCC_VERSION_NUM} GREATER 402)
set(HAVE_GCC43_OR_NEWER 1)
endif()
if(${CMAKE_OPENCV_GCC_VERSION_NUM} GREATER 401)
set(HAVE_GCC42_OR_NEWER 1)
endif()
if(OPENCV_WARNINGS_ARE_ERRORS)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Werror")
endif()
if(X86 AND NOT MINGW64 AND NOT X86_64 AND NOT APPLE)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -march=i686")
endif()
# Other optimizations
if(ENABLE_OMIT_FRAME_POINTER)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -fomit-frame-pointer")
else()
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -fno-omit-frame-pointer")
endif()
if(ENABLE_FAST_MATH)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -ffast-math")
endif()
if(ENABLE_POWERPC)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mcpu=G3 -mtune=G5")
endif()
if(ENABLE_SSE)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse")
endif()
if(ENABLE_SSE2)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse2")
endif()
# SSE3 and further should be disabled under MingW because it generates compiler errors
if(NOT MINGW)
if(ENABLE_SSE3)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse3")
if(HAVE_GCC42_OR_NEWER OR APPLE)
if(ENABLE_SSSE3)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mssse3")
endif()
if(HAVE_GCC43_OR_NEWER)
if(ENABLE_SSE41)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse4.1")
endif()
if(${CMAKE_OPENCV_GCC_VERSION_NUM} GREATER 402)
set(HAVE_GCC43_OR_NEWER 1)
endif()
if(${CMAKE_OPENCV_GCC_VERSION_NUM} GREATER 401)
set(HAVE_GCC42_OR_NEWER 1)
endif()
if(HAVE_GCC42_OR_NEWER OR APPLE)
if(ENABLE_SSSE3)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mssse3")
endif()
if(HAVE_GCC43_OR_NEWER)
if(ENABLE_SSE41)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse4.1")
endif()
if(ENABLE_SSE42)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse4.2")
endif()
endif()
endif()
endif(NOT MINGW)
if(X86 OR X86_64)
if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
if(ENABLE_SSE42)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse4.2")
endif()
endif()
endif()
endif(NOT MINGW)
# Profiling?
if(ENABLE_PROFILING)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -pg -g")
elseif(NOT APPLE AND NOT ANDROID)
# Remove unreferenced functions: function level linking
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -ffunction-sections")
if(X86 OR X86_64)
if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
endif()
endif()
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -DNDEBUG")
set(OPENCV_EXTRA_C_FLAGS_DEBUG "${OPENCV_EXTRA_C_FLAGS_DEBUG} -O0 -DDEBUG -D_DEBUG")
if(BUILD_WITH_DEBUG_INFO)
set(OPENCV_EXTRA_C_FLAGS_DEBUG "${OPENCV_EXTRA_C_FLAGS_DEBUG} -ggdb3")
endif()
# Profiling?
if(ENABLE_PROFILING)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -pg -g")
elseif(NOT APPLE AND NOT ANDROID)
# Remove unreferenced functions: function level linking
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -ffunction-sections")
endif()
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -DNDEBUG")
set(OPENCV_EXTRA_C_FLAGS_DEBUG "${OPENCV_EXTRA_C_FLAGS_DEBUG} -O0 -DDEBUG -D_DEBUG")
if(BUILD_WITH_DEBUG_INFO)
set(OPENCV_EXTRA_C_FLAGS_DEBUG "${OPENCV_EXTRA_C_FLAGS_DEBUG} -ggdb3")
endif()
endif()
if(MSVC)
# 64-bit MSVC compiler uses SSE/SSE2 by default
if(NOT MSVC64)
if(ENABLE_SSE)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE")
endif()
if(ENABLE_SSE2)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE2")
endif()
# 64-bit MSVC compiler uses SSE/SSE2 by default
if(NOT MSVC64)
if(ENABLE_SSE)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE")
endif()
if(ENABLE_SSE3)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE3")
endif()
if(ENABLE_SSE4_1)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE4.1")
endif()
if (ENABLE_SSE OR ENABLE_SSE2 OR ENABLE_SSE3 OR ENABLE_SSE4_1)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /Oi")
if(ENABLE_SSE2)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE2")
endif()
endif()
if(ENABLE_SSE3)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE3")
endif()
if(ENABLE_SSE4_1)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE4.1")
endif()
if(ENABLE_SSE OR ENABLE_SSE2 OR ENABLE_SSE3 OR ENABLE_SSE4_1)
set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /Oi")
endif()
endif()
# Extra link libs if the user selects building static libs:
if(NOT BUILD_SHARED_LIBS AND CMAKE_COMPILER_IS_GNUCXX AND NOT ANDROID)
# Android does not need these settings because they are already set by toolchain file
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} stdc++)
set(OPENCV_EXTRA_C_FLAGS "-fPIC ${OPENCV_EXTRA_C_FLAGS}")
# Android does not need these settings because they are already set by toolchain file
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} stdc++)
set(OPENCV_EXTRA_C_FLAGS "-fPIC ${OPENCV_EXTRA_C_FLAGS}")
endif()
# Add user supplied extra options (optimization, etc...)
@@ -170,22 +167,26 @@ set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${OPENCV_E
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG}")
if (WIN32 AND MSVC)
# avoid warnings from MSVC about overriding the /W* option
# we replace /W3 with /W4 only for C++ files,
# since all the 3rd-party libraries OpenCV uses are in C,
# and we do not care about their warnings.
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
# avoid warnings from MSVC about overriding the /W* option
# we replace /W3 with /W4 only for C++ files,
# since all the 3rd-party libraries OpenCV uses are in C,
# and we do not care about their warnings.
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
# allow extern "C" functions throw exceptions
string(REPLACE "/EHsc" "/EHsc-" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
# allow extern "C" functions throw exceptions
string(REPLACE "/EHsc" "/EHsc-" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/EHsc" "/EHsc-" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
if(NOT ENABLE_NOISY_WARNINGS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4251") #class 'std::XXX' needs to have dll-interface to be used by clients of YYY
endif()
endif()