eclass/xorg-3: Sync with gentoo

It's from gentoo commit 269ac913ff35e9f48124292a896665e5c576733b.

sdk_container/src/third_party/portage-stable/eclass/xorg-3.eclass

@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: xorg-3.eclass
@@ -9,6 +9,7 @@
 # Author: Donnie Berkholz <dberkholz@gentoo.org>
 # Author: Matt Turner <mattst88@gentoo.org>
 # @SUPPORTED_EAPIS: 7
+# @PROVIDES: multilib-minimal
 # @BLURB: Reduces code duplication in the modularized X11 ebuilds.
 # @DESCRIPTION:
 # This eclass makes trivial X ebuilds possible for apps, drivers,
@@ -24,23 +25,39 @@
 GIT_ECLASS=""
 if [[ ${PV} == *9999* ]]; then
 	GIT_ECLASS="git-r3"
-	XORG_EAUTORECONF="yes"
+	: ${XORG_EAUTORECONF:="yes"}
+fi
+
+# If we're a font package, but not the font.alias one
+FONT_ECLASS=""
+if [[ ${CATEGORY} = media-fonts ]]; then
+	case ${PN} in
+	font-alias|font-util)
+		;;
+	font*)
+		# Activate font code in the rest of the eclass
+		FONT="yes"
+		FONT_ECLASS="font"
+		;;
+	esac
 fi
 
 # @ECLASS-VARIABLE: XORG_MULTILIB
+# @PRE_INHERIT
 # @DESCRIPTION:
 # If set to 'yes', the multilib support for package will be enabled. Set
 # before inheriting this eclass.
 : ${XORG_MULTILIB:="no"}
 
 # we need to inherit autotools first to get the deps
-inherit autotools libtool multilib toolchain-funcs flag-o-matic ${GIT_ECLASS}
+inherit autotools libtool multilib toolchain-funcs flag-o-matic \
+	${FONT_ECLASS} ${GIT_ECLASS}
 
 if [[ ${XORG_MULTILIB} == yes ]]; then
 	inherit multilib-minimal
 fi
 
-EXPORTED_FUNCTIONS="src_prepare src_configure src_unpack src_compile src_install"
+EXPORTED_FUNCTIONS="src_prepare src_configure src_unpack src_compile src_install pkg_postinst pkg_postrm"
 case "${EAPI:-0}" in
 	7) ;;
 	*) die "EAPI=${EAPI} is not supported" ;;
@@ -52,36 +69,42 @@ EXPORT_FUNCTIONS ${EXPORTED_FUNCTIONS}
 IUSE=""
 
 # @ECLASS-VARIABLE: XORG_EAUTORECONF
+# @PRE_INHERIT
 # @DESCRIPTION:
 # If set to 'yes' and configure.ac exists, eautoreconf will run. Set
 # before inheriting this eclass.
 : ${XORG_EAUTORECONF:="no"}
 
 # @ECLASS-VARIABLE: XORG_BASE_INDIVIDUAL_URI
+# @PRE_INHERIT
 # @DESCRIPTION:
 # Set up SRC_URI for individual modular releases. If set to an empty
 # string, no SRC_URI will be provided by the eclass.
 : ${XORG_BASE_INDIVIDUAL_URI="https://www.x.org/releases/individual"}
 
 # @ECLASS-VARIABLE: XORG_MODULE
+# @PRE_INHERIT
 # @DESCRIPTION:
 # The subdirectory to download source from. Possible settings are app,
-# doc, data, util, driver, lib, proto, xserver. Set above the
+# doc, data, util, driver, font, lib, proto, xserver. Set above the
 # inherit to override the default autoconfigured module.
 : ${XORG_MODULE:="auto"}
 if [[ ${XORG_MODULE} == auto ]]; then
-	case ${CATEGORY} in
+	case "${CATEGORY}/${P}" in
-		app-doc)             XORG_MODULE=doc/     ;;
+		app-doc/*)               XORG_MODULE=doc/     ;;
-		x11-apps|x11-wm)     XORG_MODULE=app/     ;;
+		media-fonts/*)           XORG_MODULE=font/    ;;
-		x11-misc|x11-themes) XORG_MODULE=util/    ;;
+		x11-apps/*|x11-wm/*)     XORG_MODULE=app/     ;;
-		x11-base)            XORG_MODULE=xserver/ ;;
+		x11-misc/*|x11-themes/*) XORG_MODULE=util/    ;;
-		x11-drivers)         XORG_MODULE=driver/  ;;
+		x11-base/*)              XORG_MODULE=xserver/ ;;
-		x11-libs)            XORG_MODULE=lib/     ;;
+		x11-drivers/*)           XORG_MODULE=driver/  ;;
-		*)                   XORG_MODULE=         ;;
+		x11-libs/xcb-util-*)     XORG_MODULE=xcb/     ;;
+		x11-libs/*)              XORG_MODULE=lib/     ;;
+		*)                       XORG_MODULE=         ;;
 	esac
 fi
 
 # @ECLASS-VARIABLE: XORG_PACKAGE_NAME
+# @PRE_INHERIT
 # @DESCRIPTION:
 # For git checkout the git repository might differ from package name.
 # This variable can be used for proper directory specification
@@ -89,10 +112,17 @@ fi
 
 HOMEPAGE="https://www.x.org/wiki/ https://gitlab.freedesktop.org/xorg/${XORG_MODULE}${XORG_PACKAGE_NAME}"
 
+# @ECLASS-VARIABLE: XORG_TARBALL_SUFFIX
+# @PRE_INHERIT
+# @DESCRIPTION:
+# Most X11 projects provide tarballs as tar.bz2 or tar.xz. This eclass defaults
+# to bz2.
+: ${XORG_TARBALL_SUFFIX:="bz2"}
+
 if [[ -n ${GIT_ECLASS} ]]; then
 	: ${EGIT_REPO_URI:="https://gitlab.freedesktop.org/xorg/${XORG_MODULE}${XORG_PACKAGE_NAME}.git"}
 elif [[ -n ${XORG_BASE_INDIVIDUAL_URI} ]]; then
-	SRC_URI="${XORG_BASE_INDIVIDUAL_URI}/${XORG_MODULE}${P}.tar.bz2"
+	SRC_URI="${XORG_BASE_INDIVIDUAL_URI}/${XORG_MODULE}${P}.tar.${XORG_TARBALL_SUFFIX}"
 fi
 
 : ${SLOT:=0}
@@ -109,44 +139,48 @@ EAUTORECONF_DEPEND+="
 	>=sys-devel/libtool-2.2.6a
 	sys-devel/m4"
 if [[ ${PN} != util-macros ]] ; then
-	EAUTORECONF_DEPEND+=" >=x11-misc/util-macros-1.18 >=media-fonts/font-util-1.2.0"
+	EAUTORECONF_DEPEND+=" >=x11-misc/util-macros-1.18"
+	# Required even by xorg-server
+	[[ ${PN} == "font-util" ]] || EAUTORECONF_DEPEND+=" >=media-fonts/font-util-1.2.0"
 fi
 WANT_AUTOCONF="latest"
 WANT_AUTOMAKE="latest"
 for arch in ${XORG_EAUTORECONF_ARCHES}; do
 	EAUTORECONF_DEPENDS+=" ${arch}? ( ${EAUTORECONF_DEPEND} )"
 done
-DEPEND+=" ${EAUTORECONF_DEPENDS}"
+unset arch
+BDEPEND+=" ${EAUTORECONF_DEPENDS}"
 [[ ${XORG_EAUTORECONF} != no ]] && BDEPEND+=" ${EAUTORECONF_DEPEND}"
 unset EAUTORECONF_DEPENDS
 unset EAUTORECONF_DEPEND
 
-# @ECLASS-VARIABLE: XORG_STATIC
+if [[ ${FONT} == yes ]]; then
-# @DESCRIPTION:
+	RDEPEND+=" media-fonts/encodings
-# Enables static-libs useflag. Set to no, if your package gets:
+		>=x11-apps/mkfontscale-1.2.0"
-#
+	PDEPEND+=" media-fonts/font-alias"
-# QA: configure: WARNING: unrecognized options: --disable-static
+	DEPEND+=" >=media-fonts/font-util-1.2.0
-: ${XORG_STATIC:="yes"}
+		>=x11-apps/mkfontscale-1.2.0"
+	BDEPEND+=" x11-apps/bdftopcf"
 
-# Add static-libs useflag where useful.
+	# @ECLASS-VARIABLE: FONT_DIR
-if [[ ${XORG_STATIC} == yes \
+	# @PRE_INHERIT
-		&& ${CATEGORY} != app-doc \
+	# @DESCRIPTION:
-		&& ${CATEGORY} != x11-apps \
+	# If you're creating a font package and the suffix of PN is not equal to
-		&& ${CATEGORY} != x11-drivers \
+	# the subdirectory of /usr/share/fonts/ it should install into, set
-		&& ${PN} != util-macros \
+	# FONT_DIR to that directory or directories. Set before inheriting this
-		&& ${PN} != xbitmaps \
+	# eclass.
-		&& ${PN} != xorg-cf-files \
+	[[ -z ${FONT_DIR} ]] && FONT_DIR=${PN##*-}
-		&& ${PN/xcursor} = ${PN} ]]; then
-	IUSE+=" static-libs"
-fi
 
-if [[ ${XORG_MULTILIB} == yes ]]; then
+	# Fix case of font directories
-	BDEPEND+=" virtual/pkgconfig[${MULTILIB_USEDEP}]"
+	FONT_DIR=${FONT_DIR/ttf/TTF}
-else
+	FONT_DIR=${FONT_DIR/otf/OTF}
-	BDEPEND+=" virtual/pkgconfig"
+	FONT_DIR=${FONT_DIR/type1/Type1}
+	FONT_DIR=${FONT_DIR/speedo/Speedo}
 fi
+BDEPEND+=" virtual/pkgconfig"
 
 # @ECLASS-VARIABLE: XORG_DRI
+# @PRE_INHERIT
 # @DESCRIPTION:
 # Possible values are "always" or the value of the useflag DRI capabilities
 # are required for. Default value is "no"
@@ -180,6 +214,7 @@ fi
 
 
 # @ECLASS-VARIABLE: XORG_DOC
+# @PRE_INHERIT
 # @DESCRIPTION:
 # Possible values are "always" or the value of the useflag doc packages
 # are required for. Default value is "no"
@@ -219,6 +254,15 @@ debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: RDEPEND=${RDEPEND}"
 debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: PDEPEND=${PDEPEND}"
 debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: BDEPEND=${BDEPEND}"
 
+# @FUNCTION: xorg-3_pkg_setup
+# @DESCRIPTION:
+# Setup prefix compat
+xorg-3_pkg_setup() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	[[ ${FONT} == yes ]] && font_pkg_setup "$@"
+}
+
 # @FUNCTION: xorg-3_src_unpack
 # @DESCRIPTION:
 # Simply unpack source code.
@@ -230,6 +274,8 @@ xorg-3_src_unpack() {
 	else
 		unpack ${A}
 	fi
+
+	[[ -n ${FONT} ]] && einfo "Detected font directory: ${FONT_DIR}"
 }
 
 # @FUNCTION: xorg-3_reconf_source
@@ -265,6 +311,26 @@ xorg-3_src_prepare() {
 	xorg-3_reconf_source
 }
 
+# @FUNCTION: xorg-3_font_configure
+# @DESCRIPTION:
+# If a font package, perform any necessary configuration steps
+xorg-3_font_configure() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# Pass --with-fontrootdir to override pkgconf SYSROOT behavior.
+	# https://bugs.gentoo.org/815520
+	if grep -q -s "with-fontrootdir" "${ECONF_SOURCE:-.}"/configure; then
+		FONT_OPTIONS+=( --with-fontrootdir="${EPREFIX}"/usr/share/fonts )
+	fi
+
+	if has nls ${IUSE//+} && ! use nls; then
+		if ! grep -q -s "disable-all-encodings" ${ECONF_SOURCE:-.}/configure; then
+			die "--disable-all-encodings option not available in configure"
+		fi
+		FONT_OPTIONS+=( --disable-all-encodings --enable-iso8859-1 )
+	fi
+}
+
 # @FUNCTION: xorg-3_flags_setup
 # @DESCRIPTION:
 # Set up CFLAGS for a debug build
@@ -303,6 +369,9 @@ xorg-3_src_configure() {
 	# @DEFAULT_UNSET
 	local xorgconfadd=("${XORG_CONFIGURE_OPTIONS[@]}")
 
+	local FONT_OPTIONS=()
+	[[ -n "${FONT}" ]] && xorg-3_font_configure
+
 	# Check if package supports disabling of dep tracking
 	# Fixes warnings like:
 	#    WARNING: unrecognized options: --disable-dependency-tracking
@@ -315,9 +384,16 @@ xorg-3_src_configure() {
 		local selective_werror="--disable-selective-werror"
 	fi
 
+	# Check if package supports disabling of static libraries
+	if grep -q -s "able-static" ${ECONF_SOURCE:-.}/configure; then
+		local no_static="--disable-static"
+	fi
+
 	local econfargs=(
 		${dep_track}
 		${selective_werror}
+		${no_static}
+		"${FONT_OPTIONS[@]}"
 		"${xorgconfadd[@]}"
 	)
 
@@ -369,6 +445,7 @@ xorg-3_src_install() {
 		multilib-minimal_src_install "$@"
 	else
 		emake DESTDIR="${D}" "${install_args[@]}" "$@" install || die "emake install failed"
+		einstalldocs
 	fi
 
 	# Many X11 libraries unconditionally install developer documentation
@@ -383,4 +460,81 @@ xorg-3_src_install() {
 
 	# Don't install libtool archives (even for modules)
 	find "${D}" -type f -name '*.la' -delete || die
+
+	[[ -n ${FONT} ]] && remove_font_metadata
+}
+
+# @FUNCTION: xorg-3_pkg_postinst
+# @DESCRIPTION:
+# Run X-specific post-installation tasks on the live filesystem. The
+# only task right now is some setup for font packages.
+xorg-3_pkg_postinst() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ -n ${FONT} ]]; then
+		create_fonts_scale
+		create_fonts_dir
+		font_pkg_postinst "$@"
+
+		ewarn "Installed fonts changed. Run 'xset fp rehash' if you are using non-fontconfig applications."
+	fi
+}
+
+# @FUNCTION: xorg-3_pkg_postrm
+# @DESCRIPTION:
+# Run X-specific post-removal tasks on the live filesystem. The only
+# task right now is some cleanup for font packages.
+xorg-3_pkg_postrm() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ -n ${FONT} ]]; then
+		# if we're doing an upgrade, postinst will do
+		if [[ -z ${REPLACED_BY_VERSION} ]]; then
+			create_fonts_scale
+			create_fonts_dir
+			font_pkg_postrm "$@"
+		fi
+	fi
+}
+
+# @FUNCTION: remove_font_metadata
+# @DESCRIPTION:
+# Don't let the package install generated font files that may overlap
+# with other packages. Instead, they're generated in pkg_postinst().
+remove_font_metadata() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${FONT_DIR} != Speedo && ${FONT_DIR} != CID ]]; then
+		einfo "Removing font metadata"
+		rm -rf "${ED}"/usr/share/fonts/${FONT_DIR}/fonts.{scale,dir,cache-1}
+	fi
+}
+
+# @FUNCTION: create_fonts_scale
+# @DESCRIPTION:
+# Create fonts.scale file, used by the old server-side fonts subsystem.
+create_fonts_scale() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${FONT_DIR} != Speedo && ${FONT_DIR} != CID ]]; then
+		ebegin "Generating fonts.scale"
+			mkfontscale \
+				-a "${EROOT}/usr/share/fonts/encodings/encodings.dir" \
+				-- "${EROOT}/usr/share/fonts/${FONT_DIR}"
+		eend $?
+	fi
+}
+
+# @FUNCTION: create_fonts_dir
+# @DESCRIPTION:
+# Create fonts.dir file, used by the old server-side fonts subsystem.
+create_fonts_dir() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	ebegin "Generating fonts.dir"
+			mkfontdir \
+				-e "${EROOT}"/usr/share/fonts/encodings \
+				-e "${EROOT}"/usr/share/fonts/encodings/large \
+				-- "${EROOT}/usr/share/fonts/${FONT_DIR}"
+	eend $?
 }