CMake: add missing GNUInstallDirs related substitutions (fixes #1424) (#1456)

diff --git a/src/lib/openjp2/CMakeLists.txt b/src/lib/openjp2/CMakeLists.txt
index e65cb9d1a6e686ebeb5e9796b5478a083c20e1f6..f92044e8b82f0ad1b03dd30d2227a6e0a57bf363 100644 (file)
--- a/src/lib/openjp2/CMakeLists.txt
+++ b/src/lib/openjp2/CMakeLists.txt
@@ -98,14 +98,14 @@ else()
     add_library(openjp2_static STATIC ${OPENJPEG_SRCS})
     set_target_properties(openjp2_static PROPERTIES OUTPUT_NAME ${OPENJPEG_LIBRARY_NAME})
     set(INSTALL_LIBS ${OPENJPEG_LIBRARY_NAME} openjp2_static)
-    target_include_directories(openjp2_static PUBLIC $<INSTALL_INTERFACE:${OPENJPEG_INSTALL_INCLUDE_DIR}>)
+    target_include_directories(openjp2_static PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${OPENJPEG_INSTALL_SUBDIR}>)
   else()
     add_library(${OPENJPEG_LIBRARY_NAME} ${OPENJPEG_SRCS})
     set(INSTALL_LIBS ${OPENJPEG_LIBRARY_NAME})
   endif()
 endif()
 
-target_include_directories(${OPENJPEG_LIBRARY_NAME} PUBLIC $<INSTALL_INTERFACE:${OPENJPEG_INSTALL_INCLUDE_DIR}>)
+target_include_directories(${OPENJPEG_LIBRARY_NAME} PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${OPENJPEG_INSTALL_SUBDIR}>)
 if(UNIX)
   target_link_libraries(${OPENJPEG_LIBRARY_NAME} m)
 endif()