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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake-multilib multibuild
DESCRIPTION="A simple library to load images of various formats as SDL surfaces."
HOMEPAGE="https://www.libsdl.org/projects/SDL_image/"
SRC_URI="https://github.com/libsdl-org/SDL_image/archive/refs/tags/release-${PV}/SDL3_image-${PV}.tar.gz"
S="${WORKDIR}/SDL_image-release-${PV}"
LICENSE="ZLIB"
SLOT="0"
KEYWORDS="~amd64"
IUSE="avif gif jpeg jpegxl png samples static-libs stb test tiff webp"
RESTRICT="!test? ( test )"
REQUIRED_USE="
stb? ( jpeg png )
test? ( jpeg png )
"
RDEPEND="
>=media-libs/libsdl3-3.0.0[${MULTILIB_USEDEP}]
>=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}]
avif? ( >=media-libs/libavif-1.0.0:=[${MULTILIB_USEDEP}] )
!stb? (
png? ( >=media-libs/libpng-1.6.10:0=[${MULTILIB_USEDEP}] )
jpeg? ( media-libs/libjpeg-turbo:=[${MULTILIB_USEDEP}] )
)
jpegxl? ( media-libs/libjxl:=[${MULTILIB_USEDEP}] )
tiff? ( >=media-libs/tiff-3.9.7-r1:=[${MULTILIB_USEDEP}] )
webp? ( >=media-libs/libwebp-0.3.0:=[${MULTILIB_USEDEP}] )
"
DEPEND="${RDEPEND}"
pkg_setup() {
MULTIBUILD_VARIANTS=( shared-libs $(usev static-libs) )
}
src_prepare() {
cmake_src_prepare
# 1. Install non standard license installation
# 2/3. Add suffixes to sample programs
sed -i \
-e '/install(FILES "LICENSE.txt"/,/\s)$/d' \
-e 's/\(\W\)showanim\(\W\)/\1showanim2\2/' \
-e 's/\(\W\)showimage\(\W\)/\1showimage2\2/' \
CMakeLists.txt || die
}
multilib_src_configure() {
# hack because because of layered multibuilds
if [[ -n ${is_shared} ]]; then
mycmakeargs+=( -DSDLIMAGE_SAMPLES=$(multilib_native_usex samples) )
fi
cmake_src_configure
}
src_configure() {
myconfigure() {
local mycmakeargs=(
-DSDLIMAGE_DEPS_SHARED=ON # Force dynamic loading of dependencies
-DSDLIMAGE_INSTALL_MAN=ON
-DSDLIMAGE_STRICT=ON # Fail when a dependency could not be found
-DSDLIMAGE_TESTS_INSTALL=OFF
-DSDLIMAGE_TESTS=$(usex test)
-DSDLIMAGE_VENDORED=OFF # Use system libraries instead of vendored ones; defualt but let's be explicit
-DSDLIMAGE_BACKEND_STB=$(usex stb) # jpeg and png file support via stb_image; vendored, despite above
# likely less performant than using native libraries, less deps.
# formats
-DSDLIMAGE_AVIF=$(usex avif)
-DSDLIMAGE_AVIF_SAVE=$(usex avif)
-DSDLIMAGE_BMP=ON
-DSDLIMAGE_GIF=$(usex gif)
-DSDLIMAGE_JPG=$(usex jpeg)
-DSDLIMAGE_JPG_SAVE=$(usex jpeg)
-DSDLIMAGE_JXL=$(usex jpegxl)
-DSDLIMAGE_LBM=ON
-DSDLIMAGE_PCX=ON
-DSDLIMAGE_PNG=$(usex png)
-DSDLIMAGE_PNG_SAVE=$(usex png)
-DSDLIMAGE_PNM=ON
-DSDLIMAGE_QOI=ON
-DSDLIMAGE_SVG=ON
-DSDLIMAGE_TGA=ON
-DSDLIMAGE_TIF=$(usex tiff)
-DSDLIMAGE_WEBP=$(usex webp)
-DSDLIMAGE_XCF=ON
-DSDLIMAGE_XPM=ON
-DSDLIMAGE_XV=ON
)
if [[ "${MULTIBUILD_VARIANT}" == "shared-libs" ]]; then
mycmakeargs+=( -DBUILD_SHARED_LIBS=ON )
local is_shared=1
else
mycmakeargs+=(
-DBUILD_SHARED_LIBS=OFF
-DSDLIMAGE_SAMPLES=OFF
)
fi
cmake-multilib_src_configure
}
multibuild_foreach_variant myconfigure
}
src_compile() {
multibuild_foreach_variant cmake-multilib_src_compile
}
src_test() {
# These are only asserts that the formats are supported. They do not test
# that the formats are actually working. It is advisable to run a game or
# application that uses SDL_image to sanity check common formats.
# https://github.com/libsdl-org/SDL_image/tree/main/test#asserting-format-support
# Match same order as src_configure. The intent is to catch build system
# bugs, so it may need updating sometimes for legitimate changes in
# SDL_image support.
local -x SDL_IMAGE_TEST_REQUIRE_{LOAD,SAVE}_AVIF=$(usex avif 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_BMP=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_GIF=$(usex gif 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_{LOAD,SAVE}_JPG=$(usex jpeg 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_{LOAD,SAVE}_JXL=$(usex jpegxl 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_{LOAD,SAVE}_LBM=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_PCX=1
local -x SDL_IMAGE_TEST_REQUIRE_{LOAD,SAVE}_PNG=$(usex png 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_QOI=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_SVG=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_TGA=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_TIF=$(usex tiff 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_WEBP=$(usex webp 1 0)
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_XCF=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_XPM=1
local -x SDL_IMAGE_TEST_REQUIRE_LOAD_XV=1
multibuild_foreach_variant cmake-multilib_src_test
}
src_install() {
multibuild_foreach_variant cmake-multilib_src_install
}
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