[llvm-commits] [llvm] r127473 - /llvm/trunk/tools/gold/CMakeLists.txt

[Oscar Fuentes]

Author: ofv
Date: Fri Mar 11 12:27:13 2011
New Revision: 127473

URL: http://llvm.org/viewvc/llvm-project?rev=127473&view=rev
Log:
Force re-linking of LLVMgold.so when its exports file changes.

Modified:
    llvm/trunk/tools/gold/CMakeLists.txt

Modified: llvm/trunk/tools/gold/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/gold/CMakeLists.txt?rev=127473&r1=127472&r2=127473&view=diff
==============================================================================
--- llvm/trunk/tools/gold/CMakeLists.txt (original)
+++ llvm/trunk/tools/gold/CMakeLists.txt Fri Mar 11 12:27:13 2011
@@ -32,6 +32,12 @@
   set_property(DIRECTORY APPEND
     PROPERTY ADDITIONAL_MAKE_CLEAN_FILES exportsfile)
 
+  # Force re-linking when the exports file changes. Actually, it
+  # forces recompilation of gold-plugin.cpp. The LINK_DEPENDS target
+  # property only works for makefile-based generators.
+  set_property(SOURCE gold-plugin.cpp APPEND PROPERTY
+    OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/exportsfile)
+
   target_link_libraries(LLVMgold LTO -Wl,--version-script,exportsfile)
   add_dependencies(LLVMgold gold_exports)
 endif()