Reland "Install resource files into a share/ directory"

Currently these files are being installed into a root installation
directory, but this triggers an error when the installation directory
is set to an empty string which is often the case when DESTDIR is
used to control the installation destination.

Differential Revision: https://reviews.llvm.org/D41673

llvm-svn: 322256

compiler-rt/cmake/Modules/AddCompilerRT.cmake

@@ -431,15 +431,15 @@ endfunction()
 
 macro(add_compiler_rt_resource_file target_name file_name component)
   set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}")
-  set(dst_file "${COMPILER_RT_OUTPUT_DIR}/${file_name}")
+  set(dst_file "${COMPILER_RT_OUTPUT_DIR}/share/${file_name}")
   add_custom_command(OUTPUT ${dst_file}
     DEPENDS ${src_file}
     COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file}
     COMMENT "Copying ${file_name}...")
   add_custom_target(${target_name} DEPENDS ${dst_file})
   # Install in Clang resource directory.
   install(FILES ${file_name}
-    DESTINATION ${COMPILER_RT_INSTALL_PATH}
+    DESTINATION ${COMPILER_RT_INSTALL_PATH}/share
     COMPONENT ${component})
   add_dependencies(${component} ${target_name})
 

compiler-rt/lib/dfsan/CMakeLists.txt

@@ -32,7 +32,7 @@ foreach(arch ${DFSAN_SUPPORTED_ARCH})
     clang_rt.dfsan-${arch}-symbols)
 endforeach()
 
-set(dfsan_abilist_filename ${COMPILER_RT_OUTPUT_DIR}/dfsan_abilist.txt)
+set(dfsan_abilist_filename ${COMPILER_RT_OUTPUT_DIR}/share/dfsan_abilist.txt)
 add_custom_target(dfsan_abilist ALL
   DEPENDS ${dfsan_abilist_filename})
 add_custom_command(OUTPUT ${dfsan_abilist_filename}
@@ -44,4 +44,4 @@ add_custom_command(OUTPUT ${dfsan_abilist_filename}
                    DEPENDS done_abilist.txt libc_ubuntu1404_abilist.txt)
 add_dependencies(dfsan dfsan_abilist)
 install(FILES ${dfsan_abilist_filename}
-        DESTINATION ${COMPILER_RT_INSTALL_PATH})
+        DESTINATION ${COMPILER_RT_INSTALL_PATH}/share)