FROM "gentoo/stage3"

RUN <<EOF
cat > /etc/portage/make.conf <<'FEOF'
JOBS="17"
LOAD_AVERAGE="${JOBS}"

COMMON_FLAGS="-O2 -flto -ftree-vectorize -ggdb -march=native -mtune=native -pipe"

ACCEPT_KEYWORDS="~amd64"
ACCEPT_LICENSE="*"
BINPKG_COMPRESS="zstd"
CFLAGS="${COMMON_FLAGS}"
CPU_FLAGS_X86="aes avx avx2 avx512f avx512dq avx512cd avx512bw avx512vl avx512vbmi f16c fma3 mmx mmxext pclmul popcnt rdrand sha sse sse2 sse3 sse4_1 sse4_2 ssse3"
CXXFLAGS="${COMMON_FLAGS}"
EMERGE_DEFAULT_OPTS="--jobs ${JOBS} --load-average ${LOAD_AVERAGE} --quiet-build=y --usepkg --verbose-conflicts"
FCFLAGS="${COMMON_FLAGS}"
FEATURES="cgroup clean-logs compressdebug splitdebug"
FFLAGS="${COMMON_FLAGS}"
GENTOO_MIRRORS="http://gentoo.osuosl.org/  http://www.gtlib.gatech.edu/pub/gentoo https://mirrors.rit.edu/gentoo/"
INPUT_DEVICES="evdev libinput"
L10N="en en-US"
LINGUAS="en en_US"
MAKEOPTS="--jobs=${JOBS} --load-average=${LOAD_AVERAGE}"
USE="lto qt6"
FEOF

mkdir -p /etc/portage/env
cat > /etc/portage/env/no-lto <<'FEOF'
CFLAGS="-O2 -ftree-vectorize -ggdb -march=native -mtune=native -pipe"
CXXFLAGS="${CFLAGS}"
FEOF

mkdir -p /etc/portage/package.env
cat > /etc/portage/package.env/no-lto <<'FEOF'
dev-python/cryptography no-lto # https://bugs.gentoo.org/903908
dev-qt/qtscript no-lto # https://bugs.gentoo.org/652158
FEOF

mkdir -p /etc/portage/package.use
cat > /etc/portage/package.use/qwt <<-FEOF
app-text/ghostscript-gpl cups
dev-qt/qtbase cups
media-libs/libglvnd X
x11-libs/libxkbcommon X
FEOF

echo x11-libs/qwt >> /var/lib/portage/world

cat > build.sh <<'FEOF'
#!/usr/bin/env bash
emerge --quiet --sync
emerge net-print/cups # here because qtbase[cups] is not pulling cups, qwt[qt6] needs it
emerge -evt @world
FEOF
chmod +x build.sh
EOF