media-libs/imgui: build with cmake

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>
2026-07-21 04:53:07 -04:00 · 2022-04-23 02:14:10 +02:00
parent 9db887bbca
commit baad5b2e46
6 changed files with 370 additions and 320 deletions
--- a/media-libs/imgui/files/cimgui-1.87-CMakeLists.txt
+++ b/media-libs/imgui/files/cimgui-1.87-CMakeLists.txt
@@ -0,0 +1,80 @@
+cmake_minimum_required(VERSION 3.1)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+project(cimgui)
+
+#general settings
+
+set(IMGUI_LIBRARIES )
+set(IMGUI_COMMON_FLAGS )
+set(GENERATOR_IMPL "internal")
+
+if(IMGUI_FREETYPE)
+	set(GENERATOR_IMPL "${GENERATOR_IMPL} freetype")
+	add_definitions("-DCIMGUI_FREETYPE=1")
+endif(IMGUI_FREETYPE)
+
+add_subdirectory(imgui)
+
+if(IMGUI_BINDINGS)
+add_library(cimgui SHARED "")
+target_link_libraries(cimgui PUBLIC imgui ${IMGUI_LIBRARIES})
+target_compile_definitions(cimgui PUBLIC IMGUI_IMPL_API=extern\t\"C\"\t)
+target_include_directories(cimgui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/generator/output)
+target_include_directories(cimgui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
+set_target_properties(cimgui PROPERTIES LINKER_LANGUAGE CXX)
+
+set(GENERATOR_ARGS )
+if(IMGUI_ALLEGRO)
+	list(APPEND GENERATOR_ARGS allegro5)
+endif()
+if(IMGUI_GLFW)
+	list(APPEND GENERATOR_ARGS glfw)
+endif()
+if(IMGUI_GLUT)
+	list(APPEND GENERATOR_ARGS glut)
+endif()
+if(IMGUI_OPENGL)
+	list(APPEND GENERATOR_ARGS opengl2 opengl3)
+endif()
+if(IMGUI_SDL)
+	list(APPEND GENERATOR_ARGS sdl sdlrenderer)
+endif()
+if(IMGUI_VULKAN)
+	list(APPEND GENERATOR_ARGS vulkan)
+endif()
+list(APPEND GENERATOR_ARGS ${IMGUI_COMMON_FLAGS} ${CMAKE_CPP_FLAGS})
+file(GLOB GENERATOR_OUTPUT_FILES "${CMAKE_SOURCE_DIR}/generator/output/*")
+list(APPEND
+	GENERATOR_OUTPUT_FILES
+	${CMAKE_SOURCE_DIR}/cimgui.cpp
+	${CMAKE_SOURCE_DIR}/cimgui.h
+	${CMAKE_SOURCE_DIR}/generator/output/cimgui_nopreprocess.cpp
+	${CMAKE_SOURCE_DIR}/generator/output/cimgui_nopreprocess.h
+)
+ADD_CUSTOM_COMMAND(VERBATIM
+	OUTPUT ${GENERATOR_OUTPUT_FILES}
+	COMMAND luajit ./generator.lua gcc "${GENERATOR_IMPL}" ${GENERATOR_ARGS}
+	WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/generator"
+)
+set(CIMGUI_SOURCES "${CMAKE_SOURCE_DIR}/cimgui.cpp")
+set(CIMGUI_INCLUDE_FILES "${CMAKE_SOURCE_DIR}/cimgui.h")
+
+target_sources(cimgui
+	PUBLIC
+	${CIMGUI_SOURCES}
+	${CIMGUI_INCLUDE_FILES}
+)
+
+include(GNUInstallDirs)
+
+#install
+install(TARGETS cimgui LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(FILES ${CIMGUI_INCLUDE_FILES} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/imgui")
+
+#test
+set(CIMGUI_TEST "no" CACHE STRING "Enable compilation of a test unit based on imgui null")
+
+if (CIMGUI_TEST)
+  add_subdirectory(test)
+endif ()
+endif()
--- a/media-libs/imgui/files/cimgui-1.87-fix-cmake.patch
+++ b/media-libs/imgui/files/cimgui-1.87-fix-cmake.patch
@@ -1,69 +0,0 @@
--- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -1,21 +1,13 @@
- cmake_minimum_required(VERSION 3.1)
- 
-project(cimgui)
-+project(libcimgui)
- 
-if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui_tables.cpp)
-	set(TABLES_SOURCE "imgui/imgui_tables.cpp")
-else()
- 	set(TABLES_SOURCE "")
-endif()
- 
- 
- #general settings
- file(GLOB IMGUI_SOURCES
-     cimgui.cpp
-    imgui/imgui.cpp
-    imgui/imgui_draw.cpp
-    imgui/imgui_demo.cpp
-    imgui/imgui_widgets.cpp
- 	${TABLES_SOURCE}
- )
- 
-@@ -24,34 +16,30 @@
- set(IMGUI_LIBRARIES )
- 
- if(IMGUI_FREETYPE)
-	FIND_PACKAGE(freetype REQUIRED PATHS ${FREETYPE_PATH})
-	list(APPEND IMGUI_LIBRARIES freetype)
-	list(APPEND IMGUI_SOURCES imgui/misc/freetype/imgui_freetype.cpp)
-+	list(APPEND IMGUI_LIBRARIES -lfreetype)
- 	add_definitions("-DCIMGUI_FREETYPE=1")
- endif(IMGUI_FREETYPE)
- 
- #add library and link
- if (IMGUI_STATIC)
-    add_library(cimgui STATIC ${IMGUI_SOURCES})
-+    add_library(libcimgui STATIC ${IMGUI_SOURCES})
- else (IMGUI_STATIC)
-    add_library(cimgui SHARED ${IMGUI_SOURCES})
-+    add_library(libcimgui SHARED ${IMGUI_SOURCES})
- endif (IMGUI_STATIC)
- 
-target_compile_definitions(cimgui PUBLIC IMGUI_DISABLE_OBSOLETE_FUNCTIONS=1)
- if (WIN32)
-    target_compile_definitions(cimgui PUBLIC IMGUI_IMPL_API=extern\t\"C\"\t__declspec\(dllexport\))
-+    target_compile_definitions(libcimgui PUBLIC IMGUI_IMPL_API=extern\t\"C\"\t__declspec\(dllexport\))
-     list(APPEND IMGUI_LIBRARIES imm32)
- else (WIN32)
-    target_compile_definitions(cimgui PUBLIC IMGUI_IMPL_API=extern\t\"C\"\t)
-+    target_compile_definitions(libcimgui PUBLIC IMGUI_IMPL_API=extern\t\"C\"\t)
- endif (WIN32)
- 
-target_include_directories(cimgui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-target_include_directories(cimgui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
-set_target_properties(cimgui PROPERTIES PREFIX "")
-target_link_libraries(cimgui ${IMGUI_LIBRARIES})
-+target_include_directories(libcimgui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
-+set_target_properties(libcimgui PROPERTIES PREFIX "")
-+target_link_libraries(libcimgui PUBLIC -limgui)
- 
- #install
-install(TARGETS cimgui
-+install(TARGETS libcimgui
-     RUNTIME DESTINATION  .
-     LIBRARY DESTINATION  .
-     ARCHIVE DESTINATION  .
--- a/media-libs/imgui/files/imgui-1.87-CMakeLists.txt
+++ b/media-libs/imgui/files/imgui-1.87-CMakeLists.txt
@@ -0,0 +1,160 @@
+cmake_minimum_required(VERSION 3.8.2)
+project(imgui VERSION 1.73.0 LANGUAGES CXX C)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+include(GNUInstallDirs)
+
+option(IMGUI_ALLEGRO OFF)
+option(IMGUI_EXAMPLES "Build ImGui examples" OFF)
+option(IMGUI_FREETYPE OFF)
+option(IMGUI_GLFW OFF)
+option(IMGUI_GLUT OFF)
+option(IMGUI_OPENGL OFF)
+option(IMGUI_SDL OFF)
+option(IMGUI_VULKAN OFF)
+
+add_library (imgui_objects
+	OBJECT
+	imgui.cpp
+	imgui_demo.cpp
+	imgui_draw.cpp
+	imgui_tables.cpp
+	imgui_widgets.cpp
+)
+add_library (imgui SHARED "")
+target_include_directories(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends")
+#set(IMGUI_COMMON_FLAGS "-DIMGUI_USE_WCHAR32 -DIMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION -DIMGUI_STB_RECT_PACK_FILENAME=\"<stb/stb_rect_pack.h>\"")
+set(IMGUI_COMMON_FLAGS "-DIMGUI_USE_WCHAR32")
+
+if(IMGUI_ALLEGRO)
+	find_package(PkgConfig REQUIRED)
+	pkg_check_modules(ALLEGRO5 REQUIRED allegro-5 allegro_main-5 allegro_primitives-5)
+	target_sources(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_allegro5.cpp")
+	target_include_directories(imgui_objects PUBLIC ${ALLEGRO5_INCLUDE_DIRS})
+	list(APPEND IMGUI_LIBRARIES ${ALLEGRO5_LIBRARIES})
+endif()
+if(IMGUI_FREETYPE)
+	find_package(Freetype REQUIRED)
+	target_sources(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/misc/freetype/imgui_freetype.cpp")
+	target_include_directories(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/misc/freetype" ${FREETYPE_INCLUDE_DIRS})
+	list(APPEND IMGUI_LIBRARIES ${FREETYPE_LIBRARIES})
+#	set(IMGUI_COMMON_FLAGS "${IMGUI_COMMON_FLAGS} -DIMGUI_ENABLE_FREETYPE -DIMGUI_ENABLE_STB_TRUETYPE -DIMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION -DIMGUI_STB_TRUETYPE_FILENAME=\"<stb/stb_truetype.h>\"")
+	set(IMGUI_COMMON_FLAGS "${IMGUI_COMMON_FLAGS} -DIMGUI_ENABLE_FREETYPE -DIMGUI_ENABLE_STB_TRUETYPE")
+	add_executable(binary_to_compressed_c "${CMAKE_CURRENT_SOURCE_DIR}/misc/fonts/binary_to_compressed_c.cpp")
+	target_include_directories(binary_to_compressed_c PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
+	target_link_libraries(binary_to_compressed_c PUBLIC imgui)
+	install(TARGETS binary_to_compressed_c DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui")
+endif()
+if(IMGUI_GLFW)
+	find_package(glfw3 REQUIRED)
+	target_sources(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_glfw.cpp")
+	list(APPEND IMGUI_LIBRARIES glfw)
+endif()
+if(IMGUI_GLUT)
+	find_package(FreeGLUT REQUIRED)
+	target_sources(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_glut.cpp")
+	target_include_directories(imgui_objects PUBLIC ${FreeGLUT_INCLUDE_DIRS})
+	list(APPEND IMGUI_LIBRARIES FreeGLUT::freeglut)
+endif()
+if(IMGUI_OPENGL)
+	find_package(OpenGL REQUIRED)
+	target_sources(imgui_objects
+		PUBLIC
+		"${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_opengl2.cpp"
+		"${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_opengl3.cpp"
+	)
+	target_include_directories(imgui_objects PUBLIC ${OPENGL_INCLUDE_DIR})
+	list(APPEND IMGUI_LIBRARIES ${OPENGL_gl_LIBRARY})
+endif()
+if(IMGUI_SDL)
+	find_package(SDL2 REQUIRED)
+	target_sources(imgui_objects
+		PUBLIC
+		"${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_sdl.cpp"
+		"${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_sdlrenderer.cpp"
+	)
+	target_include_directories(imgui_objects PUBLIC "${SDL2_INCLUDE_DIRS}")
+	list(APPEND IMGUI_LIBRARIES "${SDL2_LIBRARIES}")
+endif()
+if(IMGUI_VULKAN)
+	find_package(Vulkan REQUIRED)
+	target_sources(imgui_objects PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/backends/imgui_impl_vulkan.cpp")
+	set(IMGUI_COMMON_FLAGS "${IMGUI_COMMON_FLAGS} -DImTextureID=ImU64")
+	target_include_directories(imgui_objects PUBLIC ${Vulkan_INCLUDE_DIRS})
+	list(APPEND IMGUI_LIBRARIES Vulkan::Vulkan)
+endif()
+
+if(IMGUI_EXAMPLES)
+	install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/examples" DESTINATION "${CMAKE_INSTALL_DOCDIR}")
+	add_executable(example_null "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_null/main.cpp")
+	target_include_directories(example_null PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
+	target_link_libraries(example_null PUBLIC imgui)
+	install(TARGETS example_null DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+	if(IMGUI_ALLEGRO)
+		add_executable(example_allegro5 "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_allegro5/main.cpp")
+		target_include_directories(example_allegro5 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends")
+		target_link_libraries(example_allegro5 PUBLIC imgui)
+		install(TARGETS example_allegro5 DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+	endif()
+	if(IMGUI_GLFW AND IMGUI_OPENGL)
+		add_executable(example_glfw_opengl2 "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_glfw_opengl2/main.cpp")
+		target_include_directories(example_glfw_opengl2 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends")
+		target_link_libraries(example_glfw_opengl2 PUBLIC imgui)
+		install(TARGETS example_allegro5 DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+		add_executable(example_glfw_opengl3 "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_glfw_opengl3/main.cpp")
+		target_include_directories(example_glfw_opengl3 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends")
+		target_link_libraries(example_glfw_opengl3 PUBLIC imgui)
+		install(TARGETS example_glfw_opengl3 DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+	endif()
+	if(IMGUI_GLFW AND IMGUI_VULKAN)
+		add_executable(example_glfw_vulkan "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_glfw_vulkan/main.cpp")
+		target_include_directories(example_glfw_vulkan PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends")
+		target_link_libraries(example_glfw_vulkan PUBLIC imgui)
+		install(TARGETS example_glfw_vulkan DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+	endif()
+	if(IMGUI_GLUT AND IMGUI_OPENGL)
+		add_executable(example_glut_opengl2 "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_glut_opengl2/main.cpp")
+		target_include_directories(example_glut_opengl2 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends")
+		target_link_libraries(example_glut_opengl2 PUBLIC imgui)
+		install(TARGETS example_glut_opengl2 DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+	endif()
+	if(IMGUI_SDL)
+		add_executable(example_sdl_sdlrenderer "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_sdl_sdlrenderer/main.cpp")
+		target_include_directories(example_sdl_sdlrenderer PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends" "${SDL2_INCLUDE_DIRS}")
+		target_link_libraries(example_sdl_sdlrenderer PUBLIC imgui)
+		install(TARGETS example_sdl_sdlrenderer DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+		if(IMGUI_OPENGL)
+			add_executable(example_sdl_opengl2 "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_sdl_opengl2/main.cpp")
+			target_include_directories(example_sdl_opengl2 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends" "${SDL2_INCLUDE_DIRS}")
+			target_link_libraries(example_sdl_opengl2 PUBLIC imgui)
+			install(TARGETS example_sdl_opengl2 DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+			add_executable(example_sdl_opengl3 "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_sdl_opengl3/main.cpp")
+			target_include_directories(example_sdl_opengl3 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends" "${SDL2_INCLUDE_DIRS}")
+			target_link_libraries(example_sdl_opengl3 PUBLIC imgui)
+			install(TARGETS example_sdl_opengl2 DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+		endif()
+		if(IMGUI_VULKAN)
+			add_executable(example_sdl_vulkan "${CMAKE_CURRENT_SOURCE_DIR}/examples/example_sdl_vulkan/main.cpp")
+			target_include_directories(example_sdl_vulkan PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/backends" "${SDL2_INCLUDE_DIRS}")
+			target_link_libraries(example_sdl_vulkan PUBLIC imgui)
+			install(TARGETS example_sdl_vulkan DESTINATION "${CMAKE_INSTALL_LIBEXECDIR}/imgui/examples" )
+		endif()
+	endif()
+endif()
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${IMGUI_COMMON_FLAGS} -fpermissive")
+target_sources (imgui PUBLIC $<TARGET_OBJECTS:imgui_objects>)
+
+add_library(imgui::imgui ALIAS imgui)
+target_link_libraries(imgui PUBLIC ${IMGUI_LIBRARIES})
+
+file(GLOB IMGUI_INCLUDE_FILES "*.h" "backends/*.h" "misc/freetype/*.h")
+install(FILES ${IMGUI_INCLUDE_FILES} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/imgui")
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/backends/vulkan" DESTINATION "${CMAKE_INSTALL_DATADIR}/imgui/backends")
+file(GLOB IMGUI_DOC_FILES "docs/*")
+install(FILES ${IMGUI_DOC_FILES} DESTINATION "${CMAKE_INSTALL_DOCDIR}")
+install(TARGETS imgui)
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/imgui.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/imgui.pc" @ONLY)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/imgui.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+set(IMGUI_COMMON_FLAGS "${IMGUI_COMMON_FLAGS}" PARENT_SCOPE)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE)
--- a/media-libs/imgui/files/imgui.pc.in
+++ b/media-libs/imgui/files/imgui.pc.in
@@ -0,0 +1,11 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@/imgui
+
+Name: imgui
+Description: Bloat-free Immediate Mode Graphical User interface for C
+Version: @version@
+URL: https://github.com/ocornut/imgui
+Libs: -L${libdir} -limgui @IMGUI_LIBRARIES@
+Libs.private: -lm
+Cflags: -I${includedir}
--- a/media-libs/imgui/imgui-1.87-r2.ebuild
+++ b/media-libs/imgui/imgui-1.87-r2.ebuild
@@ -1,251 +0,0 @@
-# Copyright 1999-2022 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit cmake flag-o-matic toolchain-funcs
-
-CMAKE_IN_SOURCE_BUILD=1
-
-DESCRIPTION="Bloat-free graphical user interface library for C++"
-HOMEPAGE="
-	https://github.com/ocornut/imgui
-	https://github.com/cimgui/cimgui
-"
-SRC_URI="
-	https://github.com/ocornut/imgui/archive/v${PV}.tar.gz -> ${P}.tar.gz
-	https://github.com/cimgui/cimgui/archive/refs/tags/${PV}.tar.gz -> c${P}.tar.gz
-"
-
-LICENSE="MIT"
-SLOT="0"
-KEYWORDS="~amd64"
-IUSE="allegro bindings examples freetype glfw glut opengl sdl vulkan"
-S="${WORKDIR}/c${P}"
-
-RDEPEND="
-	allegro? ( media-libs/allegro:5 )
-	freetype? ( media-libs/freetype )
-	glfw? ( media-libs/glfw:0 )
-	glut? ( media-libs/freeglut )
-	opengl? ( virtual/opengl )
-	sdl? ( media-libs/libsdl2 )
-	vulkan? ( media-libs/vulkan-loader )
-"
-DEPEND="
-	${RDEPEND}
-	vulkan? ( dev-util/vulkan-headers )
-"
-BDEPEND="
-	bindings? ( dev-lang/luajit )
-	virtual/pkgconfig
-"
-
-PATCHES=( "${FILESDIR}/c${P}-fix-cmake.patch" )
-REQUIRED_USE="
-	|| (
-		allegro
-		glfw
-		glut
-		sdl
-	)
-	|| (
-		allegro
-		opengl
-		vulkan
-	)
-	examples? (
-		allegro
-		glfw
-		glut
-		opengl
-		sdl
-		vulkan
-	)
-"
-
-src_prepare() {
-	pushd ../ || die
-	rm -rf "${S}/imgui" || die
-	mv "${P}" "${S}/imgui" || die
-	pushd "${S}/imgui" || die
-
-	# imgui
-	rm -r examples/libs || die
-	rm -r misc/*/*.ttf || die
-	rm -r misc/single_file || die
-
-	# cimgui
-	if use bindings; then
-		pushd "${S}" || die
-		cmake_src_prepare
-	else
-		eapply_user
-	fi
-}
-
-src_configure() {
-	pushd imgui || die
-
-	# imgui
-	tc-export CXX
-	append-cppflags "-DIMGUI_USE_WCHAR32"
-	COMMONFLAGS="-I${S}/imgui -I${S}/imgui/backends -I${S}/imgui/misc/freetype -fPIC -fpermissive"
-	local PKGCONF="$(tc-getPKG_CONFIG)" || die
-
-	use allegro && append-libs "-lallegro -lallegro_main -lallegro_primitives"
-	if use freetype; then
-		append-cppflags "-DIMGUI_ENABLE_FREETYPE -DIMGUI_ENABLE_STB_TRUETYPE"
-		COMMONFLAGS="${COMMONFLAGS} $(${PKGCONF} --cflags freetype2)" || die
-		append-libs "$(${PKGCONF} --libs freetype2)" || die
-	fi
-	if use glfw; then
-		append-libs "$(${PKGCONF} --libs glfw3)" || die
-		COMMONFLAGS="${COMMONFLAGS} $(${PKGCONF} --cflags glfw3)" || die
-	fi
-	if use glut; then
-		append-libs "$(${PKGCONF} --libs freeglut)" || die
-		COMMONFLAGS="${COMMONFLAGS} $(${PKGCONF} --cflags freeglut)" || die
-	fi
-	use opengl && append-libs "-lGL"
-	if use sdl; then
-		append-libs "-ldl $(sdl2-config --libs)" || die
-		COMMONFLAGS="${COMMONFLAGS} $(sdl2-config --cflags)" || die
-	fi
-	if use vulkan; then
-		append-libs "$(${PKGCONF} --libs vulkan)" || die
-		COMMONFLAGS="${COMMONFLAGS} $(${PKGCONF} --cflags vulkan)" || die
-		append-cppflags "-DImTextureID=ImU64" || die
-	fi
-	append-cxxflags "${COMMONFLAGS}"
-	popd || die
-
-	# cimgui
-	if use bindings; then
-		local mycmakeargs=(
-			-DIMGUI_FREETYPE=$(usex freetype)
-			-DIMGUI_STATIC=OFF
-		)
-		cmake_src_configure
-	fi
-}
-
-src_compile() {
-	pushd imgui || die
-
-	# imgui
-	set -x || die
-
-	local objects=()
-
-	for i in imgui{,_draw,_demo,_tables,_widgets}; do
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c ${i}.cpp -o ${i}.o || die
-		objects+=( ${i}.o )
-	done
-
-	if use freetype; then
-		pushd misc/freetype || die
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_freetype.cpp -o imgui_freetype.o || die
-		objects+=( misc/freetype/imgui_freetype.o )
-		popd || die
-		pushd misc/fonts || die
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} ${LDFLAGS} -fPIE binary_to_compressed_c.cpp -o binary_to_compressed_c || die
-		popd || die
-	fi
-
-	pushd backends || die
-	if use allegro; then
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_allegro5.cpp -o imgui_impl_allegro5.o || die
-		objects+=( backends/imgui_impl_allegro5.o )
-	fi
-	if use glfw; then
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_glfw.cpp -o imgui_impl_glfw.o || die
-		objects+=( backends/imgui_impl_glfw.o )
-	fi
-	if use glut; then
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_glut.cpp -o imgui_impl_glut.o || die
-		objects+=( backends/imgui_impl_glut.o )
-	fi
-	if use opengl; then
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_opengl2.cpp -o imgui_impl_opengl2.o || die
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_opengl3.cpp -o imgui_impl_opengl3.o || die
-		objects+=( backends/imgui_impl_opengl2.o backends/imgui_impl_opengl3.o )
-	fi
-	if use sdl; then
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_sdl.cpp -o imgui_impl_sdl.o || die
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_sdlrenderer.cpp -o imgui_impl_sdlrenderer.o || die
-		objects+=( backends/imgui_impl_sdl.o backends/imgui_impl_sdlrenderer.o )
-	fi
-	if use vulkan; then
-		${CXX} ${CXXFLAGS} ${CPPFLAGS} -fPIC -c imgui_impl_vulkan.cpp -o imgui_impl_vulkan.o || die
-		objects+=( backends/imgui_impl_vulkan.o )
-	fi
-	popd || die
-	${CXX} ${CXXFLAGS} ${CPPFLAGS} ${LDFLAGS} -shared -Wl,-soname,libimgui.so ${objects[@]} -o libimgui.so ${LIBS} || die
-
-	if use examples; then
-		mkdir ex || die
-		for f in allegro5 glfw_opengl{2,3} glfw_vulkan null sdl_opengl{2,3} sdl_{sdlrenderer,vulkan} glut_opengl2 ; do
-			${CXX} ${CXXFLAGS} ${CPPFLAGS} ${LDFLAGS} -fPIE examples/example_${f}/main.cpp "-L${S}/imgui" -limgui ${LIBS} -o "${S}/imgui/ex/example_${f}" || die
-		done
-	fi
-
-	set +x || die
-	popd || die
-
-	# cimgui
-	if use bindings; then
-		pushd generator || die
-		local myargs=()
-		use allegro && myargs+=( allegro5 )
-		use glfw && myargs+=( glfw )
-		use glut && myargs+=( glut )
-		use opengl && myargs+=( opengl3 opengl2 )
-		use sdl && myargs+=( sdl sdlrenderer )
-		use vulkan && myargs+=( vulkan )
-		myargs+=( ${CFLAGS} ${COMMONFLAGS} ${CPPFLAGS} )
-
-		if use freetype ; then
-			luajit ./generator.lua gcc "internal freetype" ${myargs[@]} || die
-		else
-			luajit ./generator.lua gcc "internal" ${myargs[@]} || die
-		fi
-		popd || die
-		cmake_src_compile
-	fi
-}
-
-src_install() {
-	pushd imgui || die
-
-	# imgui
-	dolib.so libimgui.so
-	dodoc docs/*
-	insinto "/usr/include/imgui"
-	doins *.h
-	doins -r misc/*/*.h
-	doins backends/*.h
-	insinto "/usr/share/${PN}/backends"
-	doins -r backends/vulkan
-	exeinto "/usr/libexec/${PN}"
-	use freetype && doexe misc/fonts/binary_to_compressed_c
-	rm -rf misc/{fonts,freetype} || die
-	dodoc -r misc
-
-	if use examples; then
-		exeinto "/usr/libexec/${PN}/examples"
-		doexe ex/*
-		dodoc -r examples
-		docompress -x "/usr/share/doc/${PF}/examples"
-	fi
-
-	popd || die
-
-	# cimgui
-	if use bindings; then
-		dolib.so libcimgui.so
-		insinto "/usr/share/doc/${PF}/cimgui"
-		doins README.md TODO.txt
-		doheader cimgui.h
-	fi
-}
--- a/media-libs/imgui/imgui-1.87-r4.ebuild
+++ b/media-libs/imgui/imgui-1.87-r4.ebuild
@@ -0,0 +1,119 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Bloat-free graphical user interface library for C++"
+HOMEPAGE="
+	https://github.com/ocornut/imgui
+	https://github.com/cimgui/cimgui
+"
+SRC_URI="
+	https://github.com/ocornut/imgui/archive/v${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/cimgui/cimgui/archive/refs/tags/${PV}.tar.gz -> c${P}.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="allegro bindings examples freetype glfw glut opengl sdl vulkan"
+S="${WORKDIR}/c${P}"
+
+RDEPEND="
+	dev-libs/stb:=
+	allegro? ( media-libs/allegro:5 )
+	freetype? ( media-libs/freetype )
+	glfw? ( media-libs/glfw:0 )
+	glut? ( media-libs/freeglut )
+	opengl? ( virtual/opengl )
+	sdl? ( media-libs/libsdl2 )
+	vulkan? ( media-libs/vulkan-loader )
+"
+DEPEND="
+	${RDEPEND}
+	vulkan? ( dev-util/vulkan-headers )
+"
+BDEPEND="
+	bindings? ( dev-lang/luajit )
+	virtual/pkgconfig
+"
+
+REQUIRED_USE="
+	|| (
+		allegro
+		glfw
+		glut
+		sdl
+	)
+	|| (
+		allegro
+		opengl
+		vulkan
+	)
+	examples? (
+		allegro
+		glfw
+		glut
+		opengl
+		sdl
+		vulkan
+	)
+"
+
+src_prepare() {
+	pushd ../ || die
+	rm -rf "${S}/imgui" || die
+	mv "${P}" "${S}/imgui" || die
+	pushd "${S}/imgui" || die
+
+	# imgui
+	rm -r examples/libs || die
+	rm -r misc/*/*.ttf || die
+	rm -r misc/single_file || die
+
+	cp "${FILESDIR}/${P}-CMakeLists.txt" CMakeLists.txt || die
+	cp "${FILESDIR}/imgui.pc.in" imgui.pc.in || die
+	sed -e "s|@version@|${PV}|g" -i imgui.pc.in || die
+
+	pushd "${S}" || die
+	cp "${FILESDIR}/c${P}-CMakeLists.txt" CMakeLists.txt || die
+	# remove files to be generated
+	rm cimgui.cpp cimgui.h || die
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DIMGUI_ALLEGRO=$(usex allegro)
+		-DIMGUI_BINDINGS=$(usex bindings)
+		-DIMGUI_EXAMPLES=$(usex examples)
+		-DIMGUI_FREETYPE=$(usex freetype)
+		-DIMGUI_GLFW=$(usex glfw)
+		-DIMGUI_GLUT=$(usex glut)
+		-DIMGUI_OPENGL=$(usex opengl)
+		-DIMGUI_SDL=$(usex sdl)
+		-DIMGUI_VULKAN=$(usex vulkan)
+	)
+	cmake_src_configure
+}
+
+src_install() {
+
+	cmake_src_install
+
+	pushd imgui || die
+	# imgui
+	rm -rf misc/{fonts,freetype} || die
+	dodoc -r misc
+
+	popd || die
+
+	if use bindings; then
+		# cimgui
+
+		insinto "/usr/share/doc/${PF}/cimgui"
+		doins README.md TODO.txt
+	fi
+}