Write metadata to libraries and executables using the post-build command,

except when building tdelibs, where a separate target will be used and
writing metadata will be the last step.

This also resolve TDE/tdelibs#80.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 374fcabb18)

modules/TDEMacros.cmake

@@ -1113,7 +1113,7 @@ macro( tde_add_library _arg_target )
     endif( )
     file( RELATIVE_PATH _target_path "${CMAKE_BINARY_DIR}" "${_target_lib}" )
 
-    if( NOT _exclude_from_all )
+    if( TARGET ${TDELFEDITOR_EXECUTABLE} AND NOT _exclude_from_all )
       # create target for all metadata writes
       if( NOT TARGET tdelfeditor-write )
         add_custom_target( tdelfeditor-write
@@ -1138,7 +1138,9 @@ macro( tde_add_library _arg_target )
         COMMAND ${TDELFEDITOR_EXECUTABLE} -e ${_target_lib} || true
         COMMENT "Storing SCM metadata in ${_target_path}"
       )
-      add_dependencies( ${_target} ${TDELFEDITOR_EXECUTABLE} )
+      if( TARGET ${TDELFEDITOR_EXECUTABLE} )
+        add_dependencies( ${_target} ${TDELFEDITOR_EXECUTABLE} )
+      endif()
     endif( )
   endif( TDELFEDITOR_EXECUTABLE AND _soname )
 
@@ -1347,25 +1349,35 @@ macro( tde_add_executable _arg_target )
   set( ELF_EMBEDDING_METADATA "\"${_target}\" \"${_description}\" \"${_license}\" \"${_copyright}\" \"${_authors}\" \"${_product}\" \"${_organization}\" \"${_version}\" \"${_datetime}\" \"${_target}\" \"${TDE_SCM_MODULE_NAME}\" \"${TDE_SCM_MODULE_REVISION}\" \"${_notes}\"" )
   separate_arguments( ELF_EMBEDDING_METADATA )
   if( TDELFEDITOR_EXECUTABLE )
-    # create target for all metadata writes
-    if( NOT TARGET tdelfeditor-write )
-      add_custom_target( tdelfeditor-write
-        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
-        DEPENDS ${TDELFEDITOR_EXECUTABLE}
-        COMMENT "Write metadata to binaries..."
-      )
-    endif( )
     get_filename_component( _target_path ${CMAKE_CURRENT_BINARY_DIR}/${_target} ABSOLUTE )
     file( RELATIVE_PATH _target_path "${CMAKE_BINARY_DIR}" "${_target_path}" )
-    add_custom_target(
-      ${_target}+metadata ALL
-      COMMAND ${TDELFEDITOR_EXECUTABLE} -m ${CMAKE_CURRENT_BINARY_DIR}/${_target} ${ELF_EMBEDDING_METADATA} || true
-      COMMAND ${TDELFEDITOR_EXECUTABLE} -e ${CMAKE_CURRENT_BINARY_DIR}/${_target} || true
-      COMMAND ${TDELFEDITOR_EXECUTABLE} -t ${CMAKE_CURRENT_BINARY_DIR}/${_target} ${_target} || true
-      COMMENT "Storing SCM metadata in ${_target_path}"
-      DEPENDS tdelfeditor-write
-    )
-    add_dependencies( tdelfeditor-write ${_target} )
+    if( TARGET ${TDELFEDITOR_EXECUTABLE} )
+      # create target for all metadata writes
+      if( NOT TARGET tdelfeditor-write )
+        add_custom_target( tdelfeditor-write
+          WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+          DEPENDS ${TDELFEDITOR_EXECUTABLE}
+          COMMENT "Write metadata to binaries..."
+        )
+      endif( )
+      add_custom_target(
+        ${_target}+metadata ALL
+        COMMAND ${TDELFEDITOR_EXECUTABLE} -m ${CMAKE_CURRENT_BINARY_DIR}/${_target} ${ELF_EMBEDDING_METADATA} || true
+        COMMAND ${TDELFEDITOR_EXECUTABLE} -e ${CMAKE_CURRENT_BINARY_DIR}/${_target} || true
+        COMMENT "Storing SCM metadata in ${_target_path}"
+        DEPENDS tdelfeditor-write
+      )
+      add_dependencies( tdelfeditor-write ${_target} )
+    else()
+      add_custom_command(
+        TARGET ${_target}
+        POST_BUILD
+        COMMAND ${TDELFEDITOR_EXECUTABLE} -m ${CMAKE_CURRENT_BINARY_DIR}/${_target} ${ELF_EMBEDDING_METADATA} || true
+        COMMAND ${TDELFEDITOR_EXECUTABLE} -e ${CMAKE_CURRENT_BINARY_DIR}/${_target} || true
+        COMMAND ${TDELFEDITOR_EXECUTABLE} -t ${CMAKE_CURRENT_BINARY_DIR}/${_target} ${_target} || true
+        COMMENT "Storing SCM metadata in ${_target_path}"
+      )
+    endif()
   endif( TDELFEDITOR_EXECUTABLE )
 
 endmacro( tde_add_executable )