[CMake] Provide the ability to skip stripping when generating dSYMs

For debugging it is useful to be able to generate dSYM files but not strip the executables. This change adds the ability to skip stripping by setting LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP=On.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265041 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index 1fd0c14..294e39b 100644 (file)
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -1185,6 +1185,10 @@ function(llvm_externalize_debuginfo name)
     return()
   endif()
 
+  if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP)
+    set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>)
+  endif()
+
   if(APPLE)
     if(CMAKE_CXX_FLAGS MATCHES "-flto"
       OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto")
@@ -1195,7 +1199,8 @@ function(llvm_externalize_debuginfo name)
     endif()
     add_custom_command(TARGET ${name} POST_BUILD
       COMMAND xcrun dsymutil $<TARGET_FILE:${name}>
-      COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>)
+      ${strip_command}
+      )
   else()
     message(FATAL_ERROR "LLVM_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!")
   endif()