lapacke: add include directory to target

Author: riegl-gc

LAPACKE/CMakeLists.txt

@@ -60,6 +60,10 @@ set_target_properties(
   VERSION ${LAPACK_VERSION}
   SOVERSION ${LAPACK_MAJOR_VERSION}
   )
+target_include_directories(lapacke PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
+  $<INSTALL_INTERFACE:include>
+)
 
 if(LAPACKE_WITH_TMG)
   target_link_libraries(lapacke PRIVATE tmglib)