[CMake][Fuchsia] Support for building with MSVC
This change adds the necessary flags for building the full Fuchsia
toolchain on Windows with MSVC.
Differential Revision: https://reviews.llvm.org/D73810
diff --git a/clang/cmake/caches/Fuchsia-stage2.cmake b/clang/cmake/caches/Fuchsia-stage2.cmake
index 9ecf8f3..e2ab6aa 100644
--- a/clang/cmake/caches/Fuchsia-stage2.cmake
+++ b/clang/cmake/caches/Fuchsia-stage2.cmake
@@ -22,6 +22,10 @@
set(LLVM_USE_RELATIVE_PATHS_IN_FILES ON CACHE BOOL "")
set(LLVM_ENABLE_Z3_SOLVER OFF CACHE BOOL "")
+if(MSVC)
+ set(LLVM_USE_CRT_RELEASE "MT" CACHE STRING "")
+endif()
+
set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
if(NOT APPLE)
set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
@@ -39,6 +43,8 @@
set(CMAKE_BUILD_TYPE Release CACHE STRING "")
if (APPLE)
set(MACOSX_DEPLOYMENT_TARGET 10.7 CACHE STRING "")
+elseif(MSVC)
+ set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded" CACHE STRING "")
endif()
if(APPLE)
@@ -67,12 +73,34 @@
set(SANITIZER_MIN_OSX_VERSION 10.7 CACHE STRING "")
endif()
+if(WIN32)
+ set(target "x86_64-pc-windows-msvc")
+
+ list(APPEND BUILTIN_TARGETS "${target}")
+ set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Windows CACHE STRING "")
+ set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+
+ list(APPEND RUNTIME_TARGETS "${target}")
+ set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Windows CACHE STRING "")
+ set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+ set(RUNTIMES_${target}_LIBCXX_ABI_VERSION 2 CACHE STRING "")
+ set(RUNTIMES_${target}_LIBCXX_HAS_WIN32_THREAD_API ON CACHE BOOL "")
+ set(RUNTIMES_${target}_LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY OFF CACHE BOOL "")
+ set(RUNTIMES_${target}_LIBCXX_ENABLE_FILESYSTEM OFF CACHE BOOL "")
+ set(RUNTIMES_${target}_LIBCXX_ENABLE_ABI_LINKER_SCRIPT OFF CACHE BOOL "")
+ set(RUNTIMES_${target}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
+ set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx" CACHE STRING "")
+endif()
+
foreach(target aarch64-unknown-linux-gnu;armv7-unknown-linux-gnueabihf;i386-unknown-linux-gnu;x86_64-unknown-linux-gnu)
if(LINUX_${target}_SYSROOT)
# Set the per-target builtins options.
list(APPEND BUILTIN_TARGETS "${target}")
set(BUILTINS_${target}_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
set(BUILTINS_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+ set(BUILTINS_${target}_CMAKE_C_FLAGS "--target=${target}" CACHE STRING "")
+ set(BUILTINS_${target}_CMAKE_CXX_FLAGS "--target=${target}" CACHE STRING "")
+ set(BUILTINS_${target}_CMAKE_ASM_FLAGS "--target=${target}" CACHE STRING "")
set(BUILTINS_${target}_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
set(BUILTINS_${target}_CMAKE_SHARED_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
set(BUILTINS_${target}_CMAKE_MODULE_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
@@ -82,6 +110,9 @@
list(APPEND RUNTIME_TARGETS "${target}")
set(RUNTIMES_${target}_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
set(RUNTIMES_${target}_CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
+ set(RUNTIMES_${target}_CMAKE_C_FLAGS "--target=${target}" CACHE STRING "")
+ set(RUNTIMES_${target}_CMAKE_CXX_FLAGS "--target=${target}" CACHE STRING "")
+ set(RUNTIMES_${target}_CMAKE_ASM_FLAGS "--target=${target}" CACHE STRING "")
set(RUNTIMES_${target}_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
set(RUNTIMES_${target}_CMAKE_SHARED_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
set(RUNTIMES_${target}_CMAKE_MODULE_LINKER_FLAGS "-fuse-ld=lld" CACHE STRING "")
@@ -103,6 +134,7 @@
set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
set(RUNTIMES_${target}_SANITIZER_CXX_ABI "libc++" CACHE STRING "")
set(RUNTIMES_${target}_SANITIZER_CXX_ABI_INTREE ON CACHE BOOL "")
+ set(RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
# Use .build-id link.
list(APPEND RUNTIME_BUILD_ID_LINK "${target}")
@@ -115,7 +147,7 @@
set(FUCHSIA_x86_64_NAME x64)
set(FUCHSIA_riscv64_NAME riscv64)
foreach(target i386;x86_64;aarch64;riscv64)
- set(FUCHSIA_${target}_COMPILER_FLAGS "-I${FUCHSIA_SDK}/pkg/fdio/include")
+ set(FUCHSIA_${target}_COMPILER_FLAGS "--target=${target}-unknown-fuchsia -I${FUCHSIA_SDK}/pkg/fdio/include")
set(FUCHSIA_${target}_LINKER_FLAGS "-L${FUCHSIA_SDK}/arch/${FUCHSIA_${target}_NAME}/lib")
set(FUCHSIA_${target}_SYSROOT "${FUCHSIA_SDK}/arch/${FUCHSIA_${target}_NAME}/sysroot")
endforeach()
diff --git a/clang/cmake/caches/Fuchsia.cmake b/clang/cmake/caches/Fuchsia.cmake
index bb22a00..0cd0123 100644
--- a/clang/cmake/caches/Fuchsia.cmake
+++ b/clang/cmake/caches/Fuchsia.cmake
@@ -16,6 +16,10 @@
set(LLVM_INCLUDE_EXAMPLES OFF CACHE BOOL "")
set(LLVM_INCLUDE_GO_TESTS OFF CACHE BOOL "")
+if(MSVC)
+ set(LLVM_USE_CRT_RELEASE "MT" CACHE STRING "")
+endif()
+
set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
if(NOT APPLE)
set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
@@ -32,8 +36,10 @@
set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
set(CMAKE_BUILD_TYPE Release CACHE STRING "")
-if (APPLE)
+if(APPLE)
set(MACOSX_DEPLOYMENT_TARGET 10.7 CACHE STRING "")
+elseif(MSVC)
+ set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded" CACHE STRING "")
endif()
if(APPLE)
@@ -52,8 +58,19 @@
set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
set(LIBCXX_ABI_VERSION 2 CACHE STRING "")
set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
-set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
-set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
+if(WIN32)
+ set(LIBCXX_HAS_WIN32_THREAD_API ON CACHE BOOL "")
+ set(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY OFF CACHE BOOL "")
+ set(LIBCXX_ENABLE_FILESYSTEM OFF CACHE BOOL "")
+ set(LIBCXX_ENABLE_ABI_LINKER_SCRIPT OFF CACHE BOOL "")
+ set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY OFF CACHE BOOL "")
+ set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx" CACHE STRING "")
+ set(BUILTINS_CMAKE_ARGS -DCMAKE_SYSTEM_NAME=Windows CACHE STRING "")
+ set(RUNTIMES_CMAKE_ARGS -DCMAKE_SYSTEM_NAME=Windows CACHE STRING "")
+else()
+ set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
+ set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
+endif()
if(BOOTSTRAP_CMAKE_SYSTEM_NAME)
set(target "${BOOTSTRAP_CMAKE_CXX_COMPILER_TARGET}")
