attempt to fix exporting the static lib for imgui

CMakeLists.txt

@@ -130,13 +130,15 @@ install(FILES
     DESTINATION "${FGGL_CONFIG_PATH}"
 )
 # generate the export targets for the build tree
+install(TARGETS ${PROJECT_NAME}
+		EXPORT fgglTargets
+		DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+		PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+		INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)
+
 export(EXPORT "${PROJECT_NAME}Targets"
     FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake"
     NAMESPACE ${namespace}::
 )
 
-install(TARGETS ${PROJECT_NAME}
-  DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
-  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-)

vendor/imgui/CMakeLists.txt

@@ -11,6 +11,7 @@ set( IMGUI_SOURCES
 
 add_library(imgui STATIC ${IMGUI_SOURCES} )
 set_property(TARGET imgui PROPERTY POSITION_INDEPENDENT_CODE ON)
+set_target_properties(imgui PROPERTIES PUBLIC_HEADER include/* )
 
 target_include_directories( imgui
 	PUBLIC
@@ -19,14 +20,9 @@ target_include_directories( imgui
 )
 
 install(
-		FILES
-			include/imconfig.h
-			include/imgui.h
-			include/imgui_internal.h
-			include/imstb_rectpack.h
-			include/imstb_textedit.h
-			include/imstb_truetype.h
+		TARGETS imgui
+		EXPORT fgglTargets
+		PUBLIC_HEADER
 		DESTINATION
 			${CMAKE_INSTALL_INCLUDEDIR}/fggl/imgui
-)
-install( TARGETS imgui EXPORT fgglTargets )
+)
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