Skip man/html/completion generation if not needed

[alexxy/gromacs.git] / src / programs / CMakeLists.txt

diff --git a/src/programs/CMakeLists.txt b/src/programs/CMakeLists.txt
index 6d907b88e92326c24d1ef236d406c42596bd36f0..50573b2977a96ac8d711b696336a05e97e5af29d 100644 (file)
--- a/src/programs/CMakeLists.txt
+++ b/src/programs/CMakeLists.txt
@@ -79,22 +79,19 @@ else()
     ########################
     # Completion generation
 
-    set(COMPLETION_DIR ${CMAKE_CURRENT_SOURCE_DIR}/completion)
-    if(SOURCE_IS_SOURCE_DISTRIBUTION)
-        # Make sure source package contains the completions.
-        if(NOT EXISTS "${COMPLETION_DIR}/gmx-completion.bash")
-            message(FATAL_ERROR "Shell completions are missing from source package.")
-        endif()
-    endif()
-    file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/completion)
-    add_custom_target(completion
-        gmx -quiet help -export completion
-        COMMENT "Generating command-line completions for programs"
-        WORKING_DIRECTORY completion
-        VERBATIM)
+    include(gmxCustomCommandUtilities)
+
+    gmx_add_custom_output_target(completion OUTPUT STAMP
+        COMMAND ${CMAKE_COMMAND} -E make_directory completion
+        COMMAND ${CMAKE_COMMAND} -E chdir completion
+            $<TARGET_FILE:gmx> -quiet help -export completion
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        DEPENDS gmx
+        COMMENT "Generating command-line completions for programs")
     # Using GMX_BUILD_HELP here is somewhat confusing, but the conditions when
     # this can be done are exactly the same (ability to run the compiled
     # binaries).
+    set(COMPLETION_DIR ${CMAKE_CURRENT_SOURCE_DIR}/completion)
     if (GMX_BUILD_HELP)
         set_target_properties(completion PROPERTIES EXCLUDE_FROM_ALL OFF)
         set_directory_properties(PROPERTIES