1 include(AddLLVMDefinitions)
3 # Run-time build mode; It is used for unittests.
5 # Expect "$(Configuration)", "$(OutDir)", etc.
6 # It is expanded by msbuild or similar.
7 set(RUNTIME_BUILD_MODE "${CMAKE_CFG_INTDIR}")
8 elseif(NOT CMAKE_BUILD_TYPE STREQUAL "")
9 # Expect "Release" "Debug", etc.
10 # Or unittests could not run.
11 set(RUNTIME_BUILD_MODE ${CMAKE_BUILD_TYPE})
14 set(RUNTIME_BUILD_MODE "${CMAKE_CFG_INTDIR}")
17 set(LIT_ARGS_DEFAULT "-sv")
19 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
21 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}"
22 CACHE STRING "Default options for lit")
24 if( LLVM_ENABLE_ASSERTIONS )
25 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
27 add_definitions( -D_DEBUG )
29 # On Release builds cmake automatically defines NDEBUG, so we
30 # explicitly undefine it:
31 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
32 add_definitions( -UNDEBUG )
35 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
36 if( NOT MSVC_IDE AND NOT XCODE )
37 add_definitions( -DNDEBUG )
50 # This is effective only on Win32 hosts to use gnuwin32 tools.
51 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
53 set(LTDL_SHLIB_EXT ".dll")
55 # Maximum path length is 160 for non-unicode paths
62 set(LTDL_SHLIB_EXT ".dylib")
64 set(LTDL_SHLIB_EXT ".so")
67 # FIXME: Maximum path length is currently set to 'safe' fixed value
70 MESSAGE(SEND_ERROR "Unable to determine platform")
76 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
77 # know how to disable this, so just force ENABLE_PIC off for now.
78 message(WARNING "-fPIC not supported with Xcode.")
80 # On Windows all code is PIC. MinGW warns if -fPIC is used.
82 include(CheckCXXCompilerFlag)
83 check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
84 if( SUPPORTS_FPIC_FLAG )
85 message(STATUS "Building with -fPIC")
86 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
87 set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
88 else( SUPPORTS_FPIC_FLAG )
89 message(WARNING "-fPIC not supported.")
94 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
95 # TODO: support other platforms and toolchains.
96 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
97 if( LLVM_BUILD_32_BITS )
98 message(STATUS "Building 32 bits executables and libraries.")
99 add_llvm_definitions( -m32 )
100 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
101 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
102 endif( LLVM_BUILD_32_BITS )
103 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
106 include(ChooseMSVCCRT)
108 # Add definitions that make MSVC much less annoying.
109 add_llvm_definitions(
110 # For some reason MS wants to deprecate a bunch of standard functions...
111 -D_CRT_SECURE_NO_DEPRECATE
112 -D_CRT_SECURE_NO_WARNINGS
113 -D_CRT_NONSTDC_NO_DEPRECATE
114 -D_CRT_NONSTDC_NO_WARNINGS
115 -D_SCL_SECURE_NO_DEPRECATE
116 -D_SCL_SECURE_NO_WARNINGS
118 -wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
119 -wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
120 -wd4224 # Suppress 'nonstandard extension used : formal parameter 'identifier' was previously defined as a type'
121 -wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
122 -wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
123 -wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
124 -wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
125 -wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
126 -wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
127 -wd4355 # Suppress ''this' : used in base member initializer list'
128 -wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
129 -wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
130 -wd4715 # Suppress ''function' : not all control paths return a value'
131 -wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
132 -wd4065 # Suppress 'switch statement contains 'default' but no 'case' labels'
134 -w14062 # Promote "enumerator in switch of enum is not handled" to level 1 warning.
138 if (LLVM_ENABLE_WARNINGS)
139 add_llvm_definitions( /W4 /Wall )
140 if (LLVM_ENABLE_PEDANTIC)
141 # No MSVC equivalent available
142 endif (LLVM_ENABLE_PEDANTIC)
143 endif (LLVM_ENABLE_WARNINGS)
144 if (LLVM_ENABLE_WERROR)
145 add_llvm_definitions( /WX )
146 endif (LLVM_ENABLE_WERROR)
147 elseif( CMAKE_COMPILER_IS_GNUCXX )
148 if (LLVM_ENABLE_WARNINGS)
149 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
150 if (LLVM_ENABLE_PEDANTIC)
151 add_llvm_definitions( -pedantic -Wno-long-long )
152 endif (LLVM_ENABLE_PEDANTIC)
153 endif (LLVM_ENABLE_WARNINGS)
154 if (LLVM_ENABLE_WERROR)
155 add_llvm_definitions( -Werror )
156 endif (LLVM_ENABLE_WERROR)
159 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
160 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )