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https://github.com/RPCS3/llvm-mirror.git
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8f6569a698
Clang builds. The detection logic for compilers that support the warning isn't working. Rafael is going to investigate it, but didn't want people to have to wade through build spam until then. llvm-svn: 151649
194 lines
7.1 KiB
CMake
194 lines
7.1 KiB
CMake
# This CMake module is responsible for interpreting the user defined LLVM_
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# options and executing the appropriate CMake commands to realize the users'
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# selections.
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include(AddLLVMDefinitions)
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if( CMAKE_COMPILER_IS_GNUCXX )
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set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
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elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
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set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
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endif()
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# Run-time build mode; It is used for unittests.
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if(MSVC_IDE)
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# Expect "$(Configuration)", "$(OutDir)", etc.
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# It is expanded by msbuild or similar.
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set(RUNTIME_BUILD_MODE "${CMAKE_CFG_INTDIR}")
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elseif(NOT CMAKE_BUILD_TYPE STREQUAL "")
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# Expect "Release" "Debug", etc.
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# Or unittests could not run.
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set(RUNTIME_BUILD_MODE ${CMAKE_BUILD_TYPE})
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else()
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# It might be "."
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set(RUNTIME_BUILD_MODE "${CMAKE_CFG_INTDIR}")
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endif()
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if( LLVM_ENABLE_ASSERTIONS )
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# MSVC doesn't like _DEBUG on release builds. See PR 4379.
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if( NOT MSVC )
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add_definitions( -D_DEBUG )
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endif()
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# On Release builds cmake automatically defines NDEBUG, so we
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# explicitly undefine it:
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if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
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add_definitions( -UNDEBUG )
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endif()
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else()
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if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
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if( NOT MSVC_IDE AND NOT XCODE )
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add_definitions( -DNDEBUG )
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endif()
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endif()
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endif()
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if(WIN32)
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if(CYGWIN)
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set(LLVM_ON_WIN32 0)
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set(LLVM_ON_UNIX 1)
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else(CYGWIN)
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set(LLVM_ON_WIN32 1)
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set(LLVM_ON_UNIX 0)
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endif(CYGWIN)
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set(LTDL_SHLIB_EXT ".dll")
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set(EXEEXT ".exe")
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# Maximum path length is 160 for non-unicode paths
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set(MAXPATHLEN 160)
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else(WIN32)
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if(UNIX)
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set(LLVM_ON_WIN32 0)
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set(LLVM_ON_UNIX 1)
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if(APPLE)
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set(LTDL_SHLIB_EXT ".dylib")
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else(APPLE)
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set(LTDL_SHLIB_EXT ".so")
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endif(APPLE)
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set(EXEEXT "")
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# FIXME: Maximum path length is currently set to 'safe' fixed value
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set(MAXPATHLEN 2024)
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else(UNIX)
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MESSAGE(SEND_ERROR "Unable to determine platform")
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endif(UNIX)
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endif(WIN32)
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if( LLVM_ENABLE_PIC )
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if( XCODE )
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# Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
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# know how to disable this, so just force ENABLE_PIC off for now.
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message(WARNING "-fPIC not supported with Xcode.")
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elseif( WIN32 OR CYGWIN)
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# On Windows all code is PIC. MinGW warns if -fPIC is used.
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else()
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
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if( SUPPORTS_FPIC_FLAG )
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message(STATUS "Building with -fPIC")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
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else( SUPPORTS_FPIC_FLAG )
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message(WARNING "-fPIC not supported.")
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endif()
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if( WIN32 OR CYGWIN)
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# MinGW warns if -fvisibility-inlines-hidden is used.
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else()
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check_cxx_compiler_flag("-fvisibility-inlines-hidden" SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG)
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if( SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden")
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endif()
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endif()
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endif()
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endif()
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if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
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# TODO: support other platforms and toolchains.
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if( LLVM_BUILD_32_BITS )
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message(STATUS "Building 32 bits executables and libraries.")
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add_llvm_definitions( -m32 )
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list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
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list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
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endif( LLVM_BUILD_32_BITS )
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endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
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if( MSVC_IDE AND ( MSVC90 OR MSVC10 ) )
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# Only Visual Studio 2008 and 2010 officially supports /MP.
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# Visual Studio 2005 do support it but it's experimental there.
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set(LLVM_COMPILER_JOBS "0" CACHE STRING
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"Number of parallel compiler jobs. 0 means use all processors. Default is 0.")
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if( NOT LLVM_COMPILER_JOBS STREQUAL "1" )
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if( LLVM_COMPILER_JOBS STREQUAL "0" )
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add_llvm_definitions( /MP )
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else()
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if (MSVC10)
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message(FATAL_ERROR
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"Due to a bug in CMake only 0 and 1 is supported for "
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"LLVM_COMPILER_JOBS when generating for Visual Studio 2010")
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else()
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message(STATUS "Number of parallel compiler jobs set to " ${LLVM_COMPILER_JOBS})
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add_llvm_definitions( /MP${LLVM_COMPILER_JOBS} )
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endif()
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endif()
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else()
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message(STATUS "Parallel compilation disabled")
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endif()
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endif()
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if( MSVC )
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include(ChooseMSVCCRT)
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# Add definitions that make MSVC much less annoying.
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add_llvm_definitions(
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# For some reason MS wants to deprecate a bunch of standard functions...
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-D_CRT_SECURE_NO_DEPRECATE
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-D_CRT_SECURE_NO_WARNINGS
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-D_CRT_NONSTDC_NO_DEPRECATE
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-D_CRT_NONSTDC_NO_WARNINGS
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-D_SCL_SECURE_NO_DEPRECATE
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-D_SCL_SECURE_NO_WARNINGS
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-wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
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-wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
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-wd4224 # Suppress 'nonstandard extension used : formal parameter 'identifier' was previously defined as a type'
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-wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
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-wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
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-wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
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-wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
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-wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
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-wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
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-wd4355 # Suppress ''this' : used in base member initializer list'
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-wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
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-wd4551 # Suppress 'function call missing argument list'
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-wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
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-wd4715 # Suppress ''function' : not all control paths return a value'
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-wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
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-wd4065 # Suppress 'switch statement contains 'default' but no 'case' labels'
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-wd4181 # Suppress 'qualifier applied to reference type; ignored'
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-w14062 # Promote "enumerator in switch of enum is not handled" to level 1 warning.
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)
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# Enable warnings
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if (LLVM_ENABLE_WARNINGS)
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add_llvm_definitions( /W4 /Wall )
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if (LLVM_ENABLE_PEDANTIC)
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# No MSVC equivalent available
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endif (LLVM_ENABLE_PEDANTIC)
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endif (LLVM_ENABLE_WARNINGS)
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if (LLVM_ENABLE_WERROR)
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add_llvm_definitions( /WX )
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endif (LLVM_ENABLE_WERROR)
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elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
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if (LLVM_ENABLE_WARNINGS)
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add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
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if (LLVM_ENABLE_PEDANTIC)
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add_llvm_definitions( -pedantic -Wno-long-long )
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endif (LLVM_ENABLE_PEDANTIC)
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endif (LLVM_ENABLE_WARNINGS)
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if (LLVM_ENABLE_WERROR)
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add_llvm_definitions( -Werror )
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endif (LLVM_ENABLE_WERROR)
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endif( MSVC )
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add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
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add_llvm_definitions( -D__STDC_FORMAT_MACROS )
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add_llvm_definitions( -D__STDC_LIMIT_MACROS )
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