[PATCH] D108776: [CMake] Add `--gdb-index` option to linker if split dwarf compiling

[Anton Afanasyev via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGb1b68b4c0190: [CMake] Add `--gdb-index` option to linker if split dwarf compiling (authored by anton-afanasyev).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108776/new/

https://reviews.llvm.org/D108776

Files:
  llvm/cmake/modules/HandleLLVMOptions.cmake


Index: llvm/cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- llvm/cmake/modules/HandleLLVMOptions.cmake
+++ llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -901,6 +901,10 @@
   if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR
       CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     add_compile_options(-gsplit-dwarf)
+  include(LLVMCheckLinkerFlag)
+  llvm_check_linker_flag(CXX "-Wl,--gdb-index" LINKER_SUPPORTS_GDB_INDEX)
+  append_if(LINKER_SUPPORTS_GDB_INDEX "-Wl,--gdb-index"
+    CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
   endif()
 endif()
 


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