generic-library/opencv
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Fixed couple of MSVC warnings

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This commit is contained in:
Andrey Kamaev
2012-04-10 22:21:12 +00:00
parent b122f7326b
commit 626afecaf8
5 changed files with 27 additions and 26 deletions
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27
cmake/OpenCVCompilerOptions.cmake
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@@ -2,6 +2,14 @@ if (WIN32 AND CMAKE_GENERATOR MATCHES "(MinGW)|(MSYS)")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "")
endif()
if(MSVC)
if(CMAKE_CXX_FLAGS STREQUAL CMAKE_CXX_FLAGS_INIT)
# override cmake default exception handling option
string(REPLACE "/EHsc" "/EHa" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "Flags used by the compiler during all build types." FORCE)
endif()
endif()
set(OPENCV_EXTRA_C_FLAGS "")
set(OPENCV_EXTRA_C_FLAGS_RELEASE "")
set(OPENCV_EXTRA_C_FLAGS_DEBUG "")
@@ -166,7 +174,7 @@ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OPENCV_EXTRA_EXE_LINKER_
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE}")
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG}")
if (WIN32 AND MSVC)
if(MSVC)
# avoid warnings from MSVC about overriding the /W* option
# we replace /W3 with /W4 only for C++ files,
# since all the 3rd-party libraries OpenCV uses are in C,
@@ -174,18 +182,15 @@ if (WIN32 AND MSVC)
string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS "${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}")
string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
foreach(flags CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
string(REPLACE "/EHsc-" "/EHs" ${flags} "${${flags}}")
string(REPLACE "/EHsc" "/EHs" ${flags} "${${flags}}")
string(REPLACE "/Zm1000" "" ${flags} "${${flags}}")
endforeach()
if(NOT ENABLE_NOISY_WARNINGS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4251") #class 'std::XXX' needs to have dll-interface to be used by clients of YYY
endif()