--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit autotools flag-o-matic toolchain-funcs
+
+DESCRIPTION="NX compression technology core libraries"
+HOMEPAGE="https://github.com/ArcticaProject/nx-libs"
+
+SRC_URI="https://github.com/ArcticaProject/nx-libs/archive/${PV}.tar.gz -> nx-libs-${PV}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86"
+IUSE="elibc_glibc"
+
+RDEPEND="dev-libs/libxml2
+ >=media-libs/libpng-1.2.8:0=
+ >=sys-libs/zlib-1.2.3
+ virtual/jpeg:*
+ x11-libs/libX11
+ x11-libs/libXcomposite
+ x11-libs/libXdamage
+ x11-libs/libXdmcp
+ x11-libs/libXext
+ x11-libs/libXfixes
+ x11-libs/libXfont2
+ x11-libs/libXinerama
+ x11-libs/libXpm
+ x11-libs/libXrandr
+ x11-libs/libXrender
+ x11-libs/libXtst
+ x11-libs/pixman"
+
+DEPEND="${RDEPEND}
+ x11-base/xorg-proto
+ x11-libs/libfontenc
+ x11-misc/gccmakedep
+ x11-misc/imake"
+
+BDEPEND="
+ virtual/pkgconfig"
+
+S="${WORKDIR}/nx-libs-${PV}"
+
+src_prepare() {
+ default
+
+ # We want predictable behavior. So let's assume we never
+ # have quilt installed.
+ sed 's@which quilt@false@' -i mesa-quilt || die
+
+ # Do not compress man pages by default
+ sed '/^[[:space:]]*gzip.*man/d' -i Makefile || die
+
+ # run autoreconf in all needed folders
+ local subdir
+ for subdir in nxcomp nxdialog nx-X11/lib nxcompshad nxproxy ; do
+ pushd ${subdir} || die
+ eautoreconf
+ popd || die
+ done
+}
+
+src_configure() {
+ # Workaround until fixed upstream
+ # https://github.com/ArcticaProject/nx-libs/issues/907
+ append-cflags -fcommon
+
+ # From xorg-x11-6.9.0-r3.ebuild
+ pushd nx-X11 || die
+ HOSTCONF="config/cf/host.def"
+ echo "#define CcCmd $(tc-getCC)" >> ${HOSTCONF}
+ echo "#define OptimizedCDebugFlags ${CFLAGS} GccAliasingArgs" >> ${HOSTCONF}
+ echo "#define OptimizedCplusplusDebugFlags ${CXXFLAGS} GccAliasingArgs" >> ${HOSTCONF}
+ # Respect LDFLAGS
+ echo "#define ExtraLoadFlags ${LDFLAGS}" >> ${HOSTCONF}
+ echo "#define SharedLibraryLoadFlags -shared ${LDFLAGS}" >> ${HOSTCONF}
+ # Disable SunRPC, #370767
+ echo "#define HasSecureRPC NO" >> ${HOSTCONF}
+ popd || die
+
+ local subdir
+ for subdir in nxcomp nxdialog nxcompshad nxproxy ; do
+ pushd ${subdir} || die
+ econf
+ popd || die
+ done
+
+ pushd "nx-X11/lib" || die
+ econf --disable-poll
+ popd || die
+}
+
+src_compile() {
+ # First set up the build environment
+ emake build-env
+
+ # We replicate the "build-full" make target here because
+ # we cannot call "make build-full" as it
+ # - calls autoreconf several times
+ # - invokes make directly but we prefer our emake
+
+ emake -C nxcomp
+ emake -C nx-X11/lib
+
+ mkdir -p nx-X11/exports/lib/ || die
+ local nxlib
+ for nxlib in libNX_X11.so{,.6{,.3.0}} ; do
+ ln -s ../../lib/src/.libs/${nxlib} nx-X11/exports/lib/${nxlib} || die
+ done
+
+ emake -C nxcompshad
+
+ ./mesa-quilt push -a || die
+
+ emake -C nx-X11 BuildDependsOnly
+ # Parallel make issue resurfaced, upstream working on autotools switch
+ emake -j1 -C nx-X11 World \
+ USRLIBDIR="/usr/$(get_libdir)/${PN}/X11" \
+ SHLIBDIR="/usr/$(get_libdir)"
+
+ emake -C nxproxy
+}
+
+src_install() {
+ emake \
+ DESTDIR="${D}" \
+ PREFIX="/usr" \
+ NXLIBDIR="/usr/$(get_libdir)/${PN}" \
+ SHLIBDIR="/usr/$(get_libdir)" \
+ USRLIBDIR="/usr/$(get_libdir)/${PN}/X11" \
+ install
+
+ # Already provided by mesa & related packages
+ rm -r "${ED}"/usr/include/GL || die
+
+ # Get rid of libtool files and static libs.
+ find "${ED}" \( -name "*.a" -o -name "*.la" \) -delete || die
+}
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