Merge branch 'fix-target-include' into 'master'

fix target include directories when not compiling stand-alone

See merge request !227

src/OpenMesh/Core/CMakeLists.txt

@@ -133,7 +133,7 @@ install(DIRECTORY IO/
 endif ()
 
 target_include_directories(OpenMeshCore PUBLIC
-  $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src>
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../..>
   $<INSTALL_INTERFACE:include>)
 
 install(TARGETS OpenMeshCore EXPORT OpenMeshConfig

src/OpenMesh/Tools/CMakeLists.txt

@@ -116,7 +116,7 @@ install(FILES Utils/getopt.h DESTINATION include/OpenMesh/Tools/Utils)
 endif ()
 
 target_include_directories(OpenMeshTools PUBLIC
-  $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src>
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../..>
   $<INSTALL_INTERFACE:include>)
 
 install(TARGETS OpenMeshTools EXPORT OpenMeshConfig