[libcxx] Add support for linking libc++ against a static ABI library.
Summary:
This patch add the CMake option `LIBCXX_ENABLE_STATIC_ABI_LIBRARY` which, when enabled, will link libc++ against the static version of the ABI library.
Reviewers: mclow.lists, jroelofs, danalbert
Reviewed By: danalbert
Subscribers: compnerd, cfe-commits
Differential Revision: http://reviews.llvm.org/D8017
llvm-svn: 231076
diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
index 0d27066..230a3c6 100644
--- a/libcxx/CMakeLists.txt
+++ b/libcxx/CMakeLists.txt
@@ -61,6 +61,7 @@
This option may only be used when LIBCXX_ENABLE_THREADS=OFF." ON)
option(LIBCXX_INSTALL_HEADERS "Install the libc++ headers." ON)
option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support headers." ON)
+option(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "Statically link the ABI library" OFF)
set(LIBCXX_SYSROOT "" CACHE STRING "Use alternate sysroot.")
set(LIBCXX_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC toolchain.")
if (LIBCXX_BUILT_STANDALONE)
@@ -68,6 +69,14 @@
"Define the sanitizer used to build the library and tests")
endif()
+if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
+ if (APPLE)
+ message(FATAL_ERROR "LIBCXX_ENABLE_STATIC_ABI_LIBRARY is not supported on OS X")
+ else()
+ message(WARNING "LIBCXX_ENABLE_STATIC_ABI_LIBRARY is an experimental option")
+ endif()
+endif()
+
set(CXXABIS none libcxxabi libcxxrt libstdc++ libsupc++)
if (NOT LIBCXX_CXX_ABI)
if (NOT DEFINED LIBCXX_BUILT_STANDALONE AND
