Set target's output directories only if corresponding CMake output directory variables are defined

Author: wopss

CMakeLists.txt

@@ -14,7 +14,7 @@ include("${RED4EXT_CMAKE_DIR}/ConfigureDefaultOutputDirectories.cmake")
 include("${RED4EXT_CMAKE_DIR}/ConfigureResourceRc.cmake")
 include("${RED4EXT_CMAKE_DIR}/ConfigureVersionFile.cmake")
 include("${RED4EXT_CMAKE_DIR}/ConfigureVersionFromGit.cmake")
-include("${RED4EXT_CMAKE_DIR}/TargetOutputDirectory.cmake")
+include("${RED4EXT_CMAKE_DIR}/TargetAppendOutputDirectory.cmake")
 
 # ------------------------------------------------------------------------------
 # Versioning

cmake/TargetAppendOutputDirectory.cmake

@@ -0,0 +1,52 @@
+function(red4ext_target_append_output_directory TARGET DIRECTORY)
+  __red4ext_target_append_directory_if_property_set(
+    ${TARGET}
+    ARCHIVE_OUTPUT_DIRECTORY
+    "${DIRECTORY}"
+  )
+
+  __red4ext_target_append_directory_if_property_set(
+    ${TARGET}
+    LIBRARY_OUTPUT_DIRECTORY
+    "${DIRECTORY}"
+  )
+
+  __red4ext_target_append_directory_if_property_set(
+    ${TARGET}
+    RUNTIME_OUTPUT_DIRECTORY
+    "${DIRECTORY}"
+  )
+
+ foreach(CONFIGURATION ${CMAKE_CONFIGURATION_TYPES})
+    string(TOUPPER ${CONFIGURATION} CONFIGURATION_UPPER)
+
+    __red4ext_target_append_directory_if_property_set(
+      ${TARGET}
+      "ARCHIVE_OUTPUT_DIRECTORY_${CONFIGURATION_UPPER}"
+      "${DIRECTORY}"
+    )
+
+    __red4ext_target_append_directory_if_property_set(
+      ${TARGET}
+      "LIBRARY_OUTPUT_DIRECTORY_${CONFIGURATION_UPPER}"
+      "${DIRECTORY}"
+    )
+
+    __red4ext_target_append_directory_if_property_set(
+      ${TARGET}
+      "RUNTIME_OUTPUT_DIRECTORY_${CONFIGURATION_UPPER}"
+      "${DIRECTORY}"
+    )
+  endforeach()
+endfunction()
+
+function(__red4ext_target_append_directory_if_property_set TARGET PROPERTY DIRECTORY)
+  get_target_property(CURRENT_PROPERTY_VALUE ${TARGET} ${PROPERTY})
+  if(CURRENT_PROPERTY_VALUE)
+    set_target_properties(
+      ${TARGET}
+      PROPERTIES
+        ${PROPERTY} "${CURRENT_PROPERTY_VALUE}/${DIRECTORY}"
+    )
+  endif()
+endfunction()

cmake/TargetOutputDirectory.cmake

@@ -1,6 +1,6 @@
 add_library(RED4ext.Playground SHARED)
 
-red4ext_target_output_directory(
+red4ext_target_append_output_directory(
   RED4ext.Playground
   plugins
 )