[PATCH] D75328: [cmake] Fix LLVM_USE_SPLIT_DWARF

[Michael Liao via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG1a52d3d47b84: [cmake] Fix LLVM_USE_SPLIT_DWARF (authored by hliao).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75328/new/

https://reviews.llvm.org/D75328

Files:
  llvm/cmake/modules/HandleLLVMOptions.cmake


Index: llvm/cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- llvm/cmake/modules/HandleLLVMOptions.cmake
+++ llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -746,9 +746,15 @@
   endif()
 endif()
 
-# Turn on -gsplit-dwarf if requested
-if(LLVM_USE_SPLIT_DWARF)
-  add_definitions("-gsplit-dwarf")
+# Turn on -gsplit-dwarf if requested in debug builds.
+if (LLVM_USE_SPLIT_DWARF AND
+    ((uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") OR
+     (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")))
+  # Limit to clang and gcc so far. Add compilers supporting this option.
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR
+      CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    add_compile_options(-gsplit-dwarf)
+  endif()
 endif()
 
 add_definitions( -D__STDC_CONSTANT_MACROS )


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