Merge pull request #7155 from aware70/use-cmake-install-includedir-for-install-interface

Use CMAKE_INSTALL_INCLUDEDIR for libgit2package INSTALL_INTERFACE

Author: ethomson

src/libgit2/CMakeLists.txt

@@ -58,7 +58,7 @@ set(LIBGIT2_SYSTEM_LIBS ${LIBGIT2_SYSTEM_LIBS} PARENT_SCOPE)
 add_library(libgit2package ${SRC_RC} ${LIBGIT2_OBJECTS})
 target_link_libraries(libgit2package ${LIBGIT2_SYSTEM_LIBS})
 target_include_directories(libgit2package SYSTEM PRIVATE ${LIBGIT2_INCLUDES})
-target_include_directories(libgit2package INTERFACE $<INSTALL_INTERFACE:include>)
+target_include_directories(libgit2package INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 
 set_target_properties(libgit2package PROPERTIES C_STANDARD 90)
 set_target_properties(libgit2package PROPERTIES C_EXTENSIONS OFF)