[PATCH] D60879: [CMake] Use add_dependencies in add_llvm_install_targets

[Alex Langford via Phabricator via llvm-commits]

xiaobai created this revision.
xiaobai added a reviewer: smeenai.
Herald added a subscriber: mgorny.
Herald added a project: LLVM.

The CMake documentation says that the `DEPENDS` field of
add_custom_target is for files and output of custom commands. Adding a
dependency on a target should be done with `add_dependency`.


Repository:
  rL LLVM

https://reviews.llvm.org/D60879

Files:
  cmake/modules/AddLLVM.cmake


Index: cmake/modules/AddLLVM.cmake
===================================================================
--- cmake/modules/AddLLVM.cmake
+++ cmake/modules/AddLLVM.cmake
@@ -603,21 +603,35 @@
     set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}")
   endif()
 
+  set(file_dependencies)
+  set(target_dependencies)
+  foreach(dependency ${ARG_DEPENDS})
+    if(TARGET ${dependency})
+      list(APPEND target_dependencies ${dependency})
+    else()
+      list(APPEND file_dependencies ${dependency})
+    endif()
+  endforeach()
+
   add_custom_target(${target}
-                    DEPENDS ${ARG_DEPENDS}
+                    DEPENDS ${file_dependencies}
                     COMMAND "${CMAKE_COMMAND}"
                             ${component_option}
                             ${prefix_option}
                             -P "${CMAKE_BINARY_DIR}/cmake_install.cmake"
                     USES_TERMINAL)
   add_custom_target(${target}-stripped
-                    DEPENDS ${ARG_DEPENDS}
+                    DEPENDS ${file_dependencies}
                     COMMAND "${CMAKE_COMMAND}"
                             ${component_option}
                             ${prefix_option}
                             -DCMAKE_INSTALL_DO_STRIP=1
                             -P "${CMAKE_BINARY_DIR}/cmake_install.cmake"
                     USES_TERMINAL)
+  if(target_dependencies)
+    add_dependencies(${target} ${target_dependencies})
+    add_dependencies(${target}-stripped ${target_dependencies})
+  endif()
 endfunction()
 
 macro(add_llvm_library name)


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