CMakeLists.txt.imgui.in

cmake_minimum_required(VERSION 3.7.2)
set (CMAKE_CXX_STANDARD 17)

# This file will be processed with CMake's configure_file command.
#
# Only variables tagged with @VARIABLE@ will be substituted, as the
# configure_file command is called with the `@ONLY` option.
#
# We use this to substitute PLUGINS_DYNAMIC, so that the correct 
# version of the library (static/shared) will be built.

project(ImGui)

set (TARGET imgui)
set (SOURCES "imgui.cpp" "imgui_demo.cpp" "imgui_draw.cpp" "imgui_widgets.cpp")

message("Imgui Build: generator is set to ${CMAKE_GENERATOR}")

if (@PLUGINS_DYNAMIC@)
	add_library( imgui SHARED ${SOURCES})
else()
	add_library( imgui STATIC ${SOURCES})
endif()

set_target_properties( ${TARGET}
        PROPERTIES PUBLIC_HEADER "imconfig.h;imgui.h"
	)

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    
    # IMPORTANT: --no-gnu-unique for gcc compiler
    #
    # This compiler flag is neccesary as otherwise the library may get compiled
    # with some symbols exported as UNIQUE, which implicitly makes this library
    # un-closeable. This means, any calls to `dlclose` on this library, once
    # loaded, will have no effect, and autoreload for this library will not work
    # as the first version of the library will remain resident.
    
    target_compile_options (${TARGET} PUBLIC --no-gnu-unique)
   
endif()

install(TARGETS ${TARGET}
        ARCHIVE
            DESTINATION libs/${TARGET}
        LIBRARY
            DESTINATION libs/${TARGET}
	PUBLIC_HEADER
	    DESTINATION include/${TARGET}
	)

source_group(${TARGET} FILES ${SOURCES})