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# enable i686-unknown-linux-gnu target
# and replace pentium4 (SSE2) with pentium3 (no SSE2) in the compiler spec file
#
# Also trying to reduce memory usage by building with
# -debuginfo-level-std=1
# see https://github.com/rust-lang/rust/issues/60294
source+=(config.toml.patch)
b2sums+=('7c1e3491dd5de9648b1f62abc6638e0bcc42c23370ef24f788e114261d823ebfec1ba09445c3214fed9e019adc39e38f2b2a021b7eb7492d4b6be6d4bb6c36f2')
eval "$(
declare -f prepare | \
sed '
$ i patch -p1 -i "$srcdir/config.toml.patch"
'
)"
# stop insanity of nproc (see FS#62952)
eval "$(
declare -f build | \
sed '
s/-j "$(nproc)"/-j8/
'
)"
if [ "${CARCH}" != 'pentium4' ]; then
eval "$(
declare -f prepare | \
sed '
$ i sed -i "s/pentium4/pentium3/g" "$srcdir/rustc-$pkgver-src/compiler/rustc_target/src/spec/targets/i686_unknown_linux_gnu.rs"
'
)"
fi
# Don't move lib32 support into rust32-lib, we are on 32-bit in the end
# and don't draw a symlink to 64-bit libraries (but to 32-bit instead)
# move rust-musl though, also patch architecture for musl accordingly
eval "$(
declare -f build | \
sed '
/mkdir.*usr\/lib32/d
/ln.*x86_64.*/d
/ln.*i686-unknown-linux-gnu.*/d
/_pick.*dest-i686.*/d
s/x86_64-unknown-linux-musl/i686-unknown-linux-musl/
' | \
sed '3i export LDFLAGS="${LDFLAGS} -Wl,--reduce-memory-overheads"'
)"
eval "$(
declare -f package_rust | \
sed '
/ln /s/x86_64-unknown-linux-gnu/i686-unknown-linux-gnu/g
'
)"
eval "$(
declare -f package_rust-musl | \
sed '
s/x86_64-unknown-linux-musl/i686-unknown-linux-musl/
'
)"
# remove 32-bit stuff (shouldn't that be removed automatically?)
pkgname=(
$(
printf '%s\n' "${pkgname[@]}" | \
grep -v '^lib32-rust-libs'
)
)
makedepends=(${makedepends[@]//lib32-gcc-libs/})
# Enable on demand, if your previous rust is broken use previous version
# from build-support (this is preferable to using rust-bin below, but
# requires all intermediate versions of rust to be built
#makedepends=(${makedepends[@]//rust/})
#makedepends+=('rust162')
# Enable on demand, if your previous rust is broken use previous version
# from build-support
makedepends=(${makedepends[@]//rust/})
makedepends+=('rust176-bin')
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