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main/abuild: add -fno-plt for x86*

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per https://lists.alpinelinux.org/~alpine/devel/%3C1628515011.zujvcn248v.none%40localhost%3E

this is a safe for-x86-only optimisation that decreases code size and
increases speed by around 1-3%

a small gain, but a 'free' one. the only incompatibility is it must be
disabled when -Wl,-z,lazy is set.

however, we generally force -z,now (immediate binding), so this is not a
fundamental incompatibility, and is usable for us

(if this seriously breaks something, then shoot me, but this will most likely be fine :) )
This commit is contained in:
psykose 2023-06-03 18:01:38 +00:00
parent c0fc54b4c3
commit 9c497fa684
1 changed files with 21 additions and 8 deletions
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29
main/abuild/APKBUILD
View File

@ -2,7 +2,7 @@
pkgname=abuild
pkgver=3.11.6
_ver=${pkgver%_git*}
pkgrel=0
pkgrel=1
pkgdesc="Script to build Alpine Packages"
url="https://git.alpinelinux.org/cgit/abuild/"
arch="all"
@ -47,11 +47,27 @@ package() {
# binutils only supports it here
cat >>"$pkgdir"/usr/share/abuild/default.conf <<-EOF
export RUSTFLAGS="-Clink-arg=-Wl,-z,pack-relative-relocs"
# binutils ld.bfd supports this on this architecture; default to it
export RUSTFLAGS="\$RUSTFLAGS -Clink-arg=-Wl,-z,pack-relative-relocs"
export LDFLAGS="\$LDFLAGS -Wl,-z,pack-relative-relocs"
EOF
esac
case "$CARCH" in
x86*)
# https://lists.alpinelinux.org/~alpine/devel/%3C1628515011.zujvcn248v.none%40localhost%3E
# note that this is x86-exclusive. on other architectures, this is pretty much always bad
# https://github.com/rust-lang/rust/pull/106380
cat >>"$pkgdir"/usr/share/abuild/default.conf <<-EOF
# -fno-plt has very slight improvements to general code size and speed on x86-only,
# for the common system dynamic linking case
export CFLAGS="\$CFLAGS -fno-plt"
export CXXFLAGS="\$CXXFLAGS -fno-plt"
EOF
;;
esac
install -d -m 775 -g abuild "$pkgdir"/var/cache/distfiles
}
@ -60,16 +76,14 @@ cpan() {
depends="perl perl-libwww perl-json perl-module-build perl-module-build-tiny
perl-lwp-protocol-https"
mkdir -p "$subpkgdir"/usr/bin
mv "$pkgdir"/usr/bin/apkbuild-cpan "$subpkgdir"/usr/bin/
amove usr/bin/apkbuild-cpan
}
gems() {
pkgdesc="APKBUILD dependency resolver for RubyGems"
depends="ruby ruby-augeas"
mkdir -p "$subpkgdir"/usr/bin
mv "$pkgdir"/usr/bin/apkbuild-gem-resolver "$subpkgdir"/usr/bin/
amove usr/bin/apkbuild-gem-resolver
}
pypi() {
@ -77,8 +91,7 @@ pypi() {
depends="perl perl-libwww perl-json perl-module-build-tiny perl-lwp-protocol-https
perl-ipc-system-simple"
mkdir -p "$subpkgdir"/usr/bin
mv "$pkgdir"/usr/bin/apkbuild-pypi "$subpkgdir"/usr/bin/
amove usr/bin/apkbuild-pypi
}
_rootbld() {