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Diffstat (limited to 'Modules/Platform/Windows-Clang.cmake')
-rw-r--r--Modules/Platform/Windows-Clang.cmake31
1 files changed, 29 insertions, 2 deletions
diff --git a/Modules/Platform/Windows-Clang.cmake b/Modules/Platform/Windows-Clang.cmake
index b317da650..02864c6b3 100644
--- a/Modules/Platform/Windows-Clang.cmake
+++ b/Modules/Platform/Windows-Clang.cmake
@@ -44,15 +44,22 @@ macro(__windows_compiler_clang_gnu lang)
set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_LIBRARIES 1)
set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_INCLUDES 1)
+ set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto")
+ set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
+ set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
+ set(CMAKE_${lang}_ARCHIVE_CREATE_IPO "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
+ set(CMAKE_${lang}_ARCHIVE_APPEND_IPO "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
+ set(CMAKE_${lang}_ARCHIVE_FINISH_IPO "<CMAKE_RANLIB> <TARGET>")
+
# Create archiving rules to support large object file lists for static libraries.
set(CMAKE_${lang}_ARCHIVE_CREATE "<CMAKE_AR> qc <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_${lang}_ARCHIVE_APPEND "<CMAKE_AR> q <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_${lang}_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
- "<CMAKE_${lang}_COMPILER> -nostartfiles -nostdlib <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> -o <TARGET> ${CMAKE_GNULD_IMAGE_VERSION} -Xlinker /implib:<TARGET_IMPLIB> -Xlinker /pdb:<TARGET_PDB> -Xlinker /version:<TARGET_VERSION_MAJOR>.<TARGET_VERSION_MINOR> <OBJECTS> <LINK_LIBRARIES>")
+ "<CMAKE_${lang}_COMPILER> -fuse-ld=lld-link -nostartfiles -nostdlib <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> -o <TARGET> ${CMAKE_GNULD_IMAGE_VERSION} -Xlinker /implib:<TARGET_IMPLIB> -Xlinker /pdb:<TARGET_PDB> -Xlinker /version:<TARGET_VERSION_MAJOR>.<TARGET_VERSION_MINOR> <OBJECTS> <LINK_LIBRARIES>")
set(CMAKE_${lang}_CREATE_SHARED_MODULE ${CMAKE_${lang}_CREATE_SHARED_LIBRARY})
set(CMAKE_${lang}_LINK_EXECUTABLE
- "<CMAKE_${lang}_COMPILER> -nostartfiles -nostdlib <FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -Xlinker /implib:<TARGET_IMPLIB> -Xlinker /pdb:<TARGET_PDB> -Xlinker /version:<TARGET_VERSION_MAJOR>.<TARGET_VERSION_MINOR> ${CMAKE_GNULD_IMAGE_VERSION} <LINK_LIBRARIES>")
+ "<CMAKE_${lang}_COMPILER> -fuse-ld=lld-link -nostartfiles -nostdlib <FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -Xlinker /implib:<TARGET_IMPLIB> -Xlinker /pdb:<TARGET_PDB> -Xlinker /version:<TARGET_VERSION_MAJOR>.<TARGET_VERSION_MINOR> ${CMAKE_GNULD_IMAGE_VERSION} <LINK_LIBRARIES>")
set(CMAKE_${lang}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreaded -Xclang -flto-visibility-public-std -D_MT -Xclang --dependent-lib=libcmt)
set(CMAKE_${lang}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDLL -D_DLL -D_MT -Xclang --dependent-lib=msvcrt)
@@ -73,6 +80,11 @@ macro(__windows_compiler_clang_gnu lang)
string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG -Xclang -gcodeview ${__ADDED_FLAGS}")
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
+ set(CMAKE_PCH_EXTENSION .pch)
+ set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
+ set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Xclang -include-pch -Xclang <PCH_FILE>)
+ set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Xclang -emit-pch -Xclang -include -Xclang <PCH_HEADER>)
+
unset(__ADDED_FLAGS)
unset(__ADDED_FLAGS_DEBUG)
string(TOLOWER "${CMAKE_BUILD_TYPE}" BUILD_TYPE_LOWER)
@@ -99,6 +111,21 @@ if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC"
"or clang-cl as both C and C++ compilers.")
endif()
+ if(NOT CMAKE_RC_COMPILER_INIT)
+ # Check if rc is already in the path
+ # This may happen in cases where the user is already in a visual studio environment when CMake is invoked
+ find_program(__RC_COMPILER_PATH NAMES rc)
+
+ # Default to rc if it's available, otherwise fall back to llvm-rc
+ if(__RC_COMPILER_PATH)
+ set(CMAKE_RC_COMPILER_INIT rc)
+ else()
+ set(CMAKE_RC_COMPILER_INIT llvm-rc)
+ endif()
+
+ unset(__RC_COMPILER_PATH CACHE)
+ endif()
+
if ( "x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC" OR "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC" )
include(Platform/Windows-MSVC)