[llvm] r187452 - Add capability for building with -gsplit-dwarf to the cmake build.

[Eric Christopher]

Author: echristo
Date: Tue Jul 30 16:44:10 2013
New Revision: 187452

URL: http://llvm.org/viewvc/llvm-project?rev=187452&view=rev
Log:
Add capability for building with -gsplit-dwarf to the cmake build.

In limited testing this seems to work. Caveat emptor.

Modified:
    llvm/trunk/CMakeLists.txt
    llvm/trunk/cmake/modules/HandleLLVMOptions.cmake

Modified: llvm/trunk/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/CMakeLists.txt?rev=187452&r1=187451&r2=187452&view=diff
==============================================================================
--- llvm/trunk/CMakeLists.txt (original)
+++ llvm/trunk/CMakeLists.txt Tue Jul 30 16:44:10 2013
@@ -183,6 +183,9 @@ endif( LLVM_USE_OPROFILE )
 set(LLVM_USE_SANITIZER "" CACHE STRING
   "Define the sanitizer used to build binaries and tests.")
 
+option(LLVM_USE_SPLIT_DWARF
+  "Use -gsplit-dwarf when compiling llvm." OFF)
+
 # Define an option controlling whether we should build for 32-bit on 64-bit
 # platforms, where supported.
 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )

Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=187452&r1=187451&r2=187452&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Tue Jul 30 16:44:10 2013
@@ -261,6 +261,11 @@ if(LLVM_USE_SANITIZER)
   endif()
 endif()
 
+# Turn on -gsplit-dwarf if requested
+if(LLVM_USE_SPLIT_DWARF)
+  add_flag_if_supported("-gsplit-dwarf")
+endif()
+
 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
 add_llvm_definitions( -D__STDC_FORMAT_MACROS )
 add_llvm_definitions( -D__STDC_LIMIT_MACROS )