cppcheck/cmake/compileroptions.cmake

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set(EXTRA_C_FLAGS "")
set(EXTRA_C_FLAGS_RELEASE "-DNDEBUG")
set(EXTRA_C_FLAGS_DEBUG "-DDEBUG")
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if (USE_CLANG)
set (CMAKE_C_COMPILER_ID "Clang")
set (CMAKE_CXX_COMPILER_ID "Clang")
set (CMAKE_C_COMPILER "/usr/bin/clang")
set (CMAKE_CXX_COMPILER "/usr/bin/clang++")
set (CMAKE_C_FLAGS "-std=c99")
set (CMAKE_C_FLAGS_DEBUG "-g")
set (CMAKE_C_FLAGS_RELEASE "-O2")
set (CMAKE_CXX_FLAGS "-pedantic -Wall -Wextra")
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set (CMAKE_CXX_FLAGS_DEBUG "-g")
set (CMAKE_CXX_FLAGS_RELEASE "-O2")
endif()
if (USE_ANALYZE)
set (CMAKE_C_COMPILER_ID "ccc-analyzer")
set (CMAKE_CXX_COMPILER_ID "c++-analyzer")
set (CMAKE_C_COMPILER "/usr/share/clang/scan-build/ccc-analyzer")
set (CMAKE_CXX_COMPILER "/usr/share/clang/scan-build/c++-analyzer")
set (CMAKE_C_FLAGS "-Wall -std=c99")
set (CMAKE_C_FLAGS_DEBUG "-g")
set (CMAKE_C_FLAGS_RELEASE "-O2")
set (CMAKE_CXX_FLAGS "-pedantic -Wall -Wextra")
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set (CMAKE_CXX_FLAGS_DEBUG "-g")
set (CMAKE_CXX_FLAGS_RELEASE "-O2")
endif()
set(CMAKE_CXX_FLAGS_ASAN "-g -fsanitize=address,undefined -fno-sanitize-recover=all"
CACHE STRING "Compiler flags in asan build"
FORCE)
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (NOT (GCC_VERSION VERSION_GREATER 4.6 OR GCC_VERSION VERSION_EQUAL 4.6))
message(FATAL_ERROR "${PROJECT_NAME} c++11 support requires g++ 4.6 or greater, but it is ${GCC_VERSION}")
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endif ()
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wcast-qual") # Cast for removing type qualifiers
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-deprecated-declarations")
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wfloat-equal") # Floating values used in equality comparisons
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wmissing-declarations") # If a global function is defined without a previous declaration
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wmissing-format-attribute") #
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-long-long")
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Woverloaded-virtual") # when a function declaration hides virtual functions from a base class
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wpacked") #
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wredundant-decls") # if anything is declared more than once in the same scope
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wundef")
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-shadow") # whenever a local variable or type declaration shadows another one
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-missing-field-initializers")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-missing-braces")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-sign-compare")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-multichar")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
if(NOT EXISTS ${CMAKE_CXX_COMPILER})
MESSAGE( FATAL_ERROR "Clang++ not found. " )
endif()
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-four-char-constants")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-missing-braces")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-missing-field-initializers")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-multichar")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-sign-compare")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-unused-function")
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if(ENABLE_COVERAGE OR ENABLE_COVERAGE_XML)
MESSAGE(FATAL_ERROR "Not use clang for generate code coverage. Use gcc. ")
endif()
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "c++-analyzer")
if(NOT EXISTS ${CMAKE_CXX_COMPILER})
MESSAGE( FATAL_ERROR "c++-analyzer not found. " )
endif()
if(ENABLE_COVERAGE)
MESSAGE(FATAL_ERROR "Not use c++-analyzer for generate code coverage. Use gcc. ")
endif()
endif()
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR
"${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR
"${CMAKE_CXX_COMPILER_ID}" STREQUAL "c++-analyzer" )
if(WARNINGS_ARE_ERRORS)
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Werror")
endif()
set(EXTRA_C_FLAGS_DEBUG "${EXTRA_C_FLAGS_DEBUG} -O0")
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endif()
if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND
"${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -U_GLIBCXX_DEBUG")
endif()
if (MSVC)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:8000000")
endif()
if (CYGWIN)
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wl,--stack,8388608")
endif()
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include(cmake/dynamic_analyzer_options.cmake REQUIRED)
# Add user supplied extra options (optimization, etc...)
# ==========================================================
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS}" CACHE INTERNAL "Extra compiler options")
set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE}" CACHE INTERNAL "Extra compiler options for Release build")
set(EXTRA_C_FLAGS_DEBUG "${EXTRA_C_FLAGS_DEBUG}" CACHE INTERNAL "Extra compiler options for Debug build")
#combine all "extra" options
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_C_FLAGS}")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${EXTRA_C_FLAGS_DEBUG}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${EXTRA_C_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_C_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${EXTRA_C_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${EXTRA_C_FLAGS_DEBUG}")