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( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
endif()
if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
add_definitions( -UNDEBUG )
# Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
- string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
- 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("${flag}" "/MD" "/MT")
+ endforeach()
+endif()
+
if(WIN32)
if(CYGWIN)
set(LLVM_ON_WIN32 0)
if( MSVC )
include(ChooseMSVCCRT)
+ if( NOT (${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.
-wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
-wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
-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.
# Turn on -gsplit-dwarf if requested
if(LLVM_USE_SPLIT_DWARF)
- add_flag_if_supported("-gsplit-dwarf")
+ add_llvm_definitions("-gsplit-dwarf")
endif()
add_llvm_definitions( -D__STDC_CONSTANT_MACROS )