Generate man pages and completions by default if possible

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

diff --git a/src/programs/CMakeLists.txt b/src/programs/CMakeLists.txt
index 6d907b88e92326c24d1ef236d406c42596bd36f0..1b6c4518cd978e3370eb920d49522ddace8f9b65 100644 (file)
--- a/src/programs/CMakeLists.txt
+++ b/src/programs/CMakeLists.txt
@@ -79,23 +79,21 @@ else()
     ########################
     # Completion generation
 
+    include(gmxCustomCommandUtilities)
+
     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)
     # 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).
     if (GMX_BUILD_HELP)
+        gmx_add_custom_output_target(completion OUTPUT STAMP
+            COMMAND ${CMAKE_COMMAND}
+                -D GMX_EXECUTABLE=$<TARGET_FILE:gmx>
+                -D ERRORS_ARE_FATAL=${GMX_BUILD_HELP_FORCE}
+                -P ${CMAKE_CURRENT_SOURCE_DIR}/BuildCompletions.cmake
+            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+            DEPENDS gmx ${CMAKE_CURRENT_SOURCE_DIR}/BuildCompletions.cmake
+            COMMENT "Generating command-line completions for programs")
         set_target_properties(completion PROPERTIES EXCLUDE_FROM_ALL OFF)
         set_directory_properties(PROPERTIES
             ADDITIONAL_MAKE_CLEAN_FILES "completion")
@@ -103,7 +101,7 @@ else()
     endif()
     if (SOURCE_IS_SOURCE_DISTRIBUTION OR GMX_BUILD_HELP)
         install(DIRECTORY ${COMPLETION_DIR}/
-                DESTINATION ${BIN_INSTALL_DIR} COMPONENT runtime)
+                DESTINATION ${BIN_INSTALL_DIR} COMPONENT runtime OPTIONAL)
         file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/gmx-completion-${BINARY_NAME}.bash
              "complete -o nospace -F _gmx_compl ${BINARY_NAME}")
         install(FILES ${CMAKE_CURRENT_BINARY_DIR}/gmx-completion-${BINARY_NAME}.bash