[libcxxabi][CMake] Add install path variable to allow overriding the destination
This is going to be used by the runtime build in the multi-target
setup to allow using different install prefix for each target.
Differential Revision: https://reviews.llvm.org/D33761
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@307611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b3733d..99d4634 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -156,6 +156,13 @@
set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
endif()
+set(LIBCXXABI_INSTALL_PREFIX "" CACHE STRING
+ "Define libc++abi destination prefix.")
+
+if (NOT LIBCXXABI_INSTALL_PREFIX MATCHES "^$|.*/")
+ message(FATAL_ERROR "LIBCXXABI_INSTALL_PREFIX has to end with \"/\".")
+endif()
+
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ff47ed3..adcc412 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -174,8 +174,8 @@
add_custom_target(cxxabi DEPENDS ${LIBCXXABI_TARGETS})
install(TARGETS ${LIBCXXABI_TARGETS}
- LIBRARY DESTINATION lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi
- ARCHIVE DESTINATION lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi
+ LIBRARY DESTINATION ${LIBCXXABI_INSTALL_PREFIX}lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi
+ ARCHIVE DESTINATION ${LIBCXXABI_INSTALL_PREFIX}lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi
)
if (NOT CMAKE_CONFIGURATION_TYPES)
