Test fix to export target include directories

CMakeLists.txt

@@ -1,7 +1,7 @@
-cmake_minimum_required(VERSION 2.8.0)
+cmake_minimum_required(VERSION 3.0.0)
 project(harfbuzz)
 
-message(WARN "HarfBuzz has a Meson port and tries to migrate all the other build systems to it, please consider using it as we might remove our cmake port soon.")
+# message(WARN "HarfBuzz has a Meson port and tries to migrate all the other build systems to it, please consider using it as we might remove our cmake port soon.")
 
 ## Limit framework build to Xcode generator
 if (BUILD_FRAMEWORK)
@@ -414,7 +414,9 @@ endif ()
 ## Define harfbuzz library
 add_library(harfbuzz ${project_sources} ${project_extra_sources} ${project_headers})
 target_link_libraries(harfbuzz ${THIRD_PARTY_LIBS})
-
+target_include_directories(harfbuzz PUBLIC
+                           "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>"
+                           "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/harfbuzz>")
 
 ## Define harfbuzz-icu library
 if (HB_HAVE_ICU)