fix cmake header path in install with custom CMAKE_INSTALL_INCLUDEDIR

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 974af49ca5447932eaa1da744dec05d5d37c88ba..a645ad6e7c595bdaa44f90fa1d02322c69def559 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1075,7 +1075,7 @@ foreach(ZLIB_INSTALL_LIBRARY ${ZLIB_INSTALL_LIBRARIES})
     endif()
     target_include_directories(${ZLIB_INSTALL_LIBRARY} PUBLIC
         "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
-        "$<INSTALL_INTERFACE:include>")
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
 endforeach()
 
 if(WIN32)