include(AddLLVMDefinitions)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
+include(LLVMProcessSources)
if( CMAKE_COMPILER_IS_GNUCXX )
set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+elseif( MSVC )
+ set(LLVM_COMPILER_IS_GCC_COMPATIBLE OFF)
elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
endif()
if( NOT MSVC )
add_definitions( -D_DEBUG )
endif()
- # On Release builds cmake automatically defines NDEBUG, so we
+ # On non-Debug builds cmake automatically defines NDEBUG, so we
# explicitly undefine it:
- if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
+ if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
add_definitions( -UNDEBUG )
# Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
- string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
- CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
+ set(REGEXP_NDEBUG "(^| )[/-]D *NDEBUG($| )")\r
+ string (REGEX REPLACE "${REGEXP_NDEBUG}" " "\r
+ CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")\r
+ string (REGEX REPLACE "${REGEXP_NDEBUG}" " "\r
+ CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")\r
+ string (REGEX REPLACE "${REGEXP_NDEBUG}" " "\r
+ CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}")\r
endif()
else()
if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
endif()
endif()
+if(MSVC)
+ # Link release builds against the static runtime.
+ foreach(flag CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELWITHDEBINFO
+ CMAKE_C_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELEASE
+ CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_MINSIZEREL)
+ llvm_replace_compiler_option("${flag}" "/MD" "/MT")
+ endforeach()
+endif()
+
if(WIN32)
if(CYGWIN)
set(LLVM_ON_WIN32 0)
if( MSVC )
include(ChooseMSVCCRT)
- if( MSVC11 )
- add_llvm_definitions(-D_VARIADIC_MAX=10)
+ if( NOT (${CMAKE_VERSION} VERSION_LESS 2.8.11) )
+ # set stack reserved size to ~10MB
+ # CMake previously automatically set this value for MSVC builds, but the
+ # behavior was changed in CMake 2.8.11 (Issue 12437) to use the MSVC default
+ # value (1 MB) which is not enough for us in tasks such as parsing recursive
+ # C++ templates in Clang.
+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10000000")
endif()
+ if( MSVC10 )
+ # MSVC 10 will complain about headers in the STL not being exported, but
+ # will not complain in MSVC 11.
+ add_llvm_definitions(
+ -wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
+ )
+ elseif( MSVC11 )
+ add_llvm_definitions(-D_VARIADIC_MAX=10)
+ endif()
+
# Add definitions that make MSVC much less annoying.
add_llvm_definitions(
# For some reason MS wants to deprecate a bunch of standard functions...
-D_SCL_SECURE_NO_WARNINGS
# Disabled warnings.
- -wd4065 # Suppress 'switch statement contains 'default' but no 'case' labels'
-wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
-wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
- -wd4181 # Suppress 'qualifier applied to reference type; ignored'
- -wd4224 # Suppress 'nonstandard extension used : formal parameter 'identifier' was previously defined as a type'
-wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
-wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
- -wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
- -wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
-wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
-wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
-wd4355 # Suppress ''this' : used in base member initializer list'
-wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
- -wd4551 # Suppress 'function call missing argument list'
-wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
- -wd4715 # Suppress ''function' : not all control paths return a value'
- -wd4722 # Suppress ''function' : destructor never returns, potential memory leak'
-wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
-
+ -wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
+
# Promoted warnings.
-w14062 # Promote 'enumerator in switch of enum is not handled' to level 1 warning.
NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")
add_flag_if_supported("-gline-tables-only")
endif()
+ # Use -O1 even in debug mode, otherwise sanitizers slowdown is too large.
+ if (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+ add_flag_if_supported("-O1")
+ endif()
endmacro()
# Turn on sanitizers if necessary.
endif()
endif()
+# Turn on -gsplit-dwarf if requested
+if(LLVM_USE_SPLIT_DWARF)
+ add_llvm_definitions("-gsplit-dwarf")
+endif()
+
add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
add_llvm_definitions( -D__STDC_FORMAT_MACROS )
add_llvm_definitions( -D__STDC_LIMIT_MACROS )