[PATCH] D28575: [CMake] Support externalizing debug info on non-Darwin platforms

[Petr Hosek via Phabricator via llvm-commits]

phosek updated this revision to Diff 88574.

Repository:
  rL LLVM

https://reviews.llvm.org/D28575

Files:
  cmake/modules/AddLLVM.cmake


Index: cmake/modules/AddLLVM.cmake
===================================================================
--- cmake/modules/AddLLVM.cmake
+++ cmake/modules/AddLLVM.cmake
@@ -1387,7 +1387,11 @@
   endif()
 
   if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP)
-    set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>)
+    if(APPLE)
+      set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>)
+    else()
+      set(strip_command COMMAND strip -gx $<TARGET_FILE:${name}>)
+    endif()
   endif()
 
   if(APPLE)
@@ -1403,7 +1407,11 @@
       ${strip_command}
       )
   else()
-    message(FATAL_ERROR "LLVM_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!")
+    add_custom_command(TARGET ${name} POST_BUILD
+      COMMAND objcopy --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug
+      ${strip_command} -R .gnu_debuglink
+      COMMAND objcopy --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}>
+      )
   endif()
 endfunction()
 


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