path: root/community/rust/APKBUILD

# Contributor: Jakub Jirutka <jakub@jirutka.cz>
# Contributor: Shiz <hi@shiz.me>
# Contributor: Jeizsm <jeizsm@gmail.com>
# Maintainer: Jakub Jirutka <jakub@jirutka.cz>
pkgname=rust
pkgver=1.26.2
# TODO: bump to 6 as soon as we add llvm6
_llvmver=5
_bootver=1.25.0
pkgrel=0
pkgdesc="The Rust Programming Language"
url="http://www.rust-lang.org"
arch="x86_64"
license="Apache-2.0 BSD ISC MIT"

# gcc is needed at runtime just for linking. Someday rustc might invoke
# the linker directly, and then we'll only need binutils.
# See: https://github.com/rust-lang/rust/issues/11937
depends="$pkgname-stdlib=$pkgver-r$pkgrel gcc llvm-libunwind-dev musl-dev"

# * Rust is self-hosted, so you need rustc (and cargo) to build rustc...
#   The last revision of this abuild that does not depend on itself (uses
#   prebuilt rustc and cargo) is 8cb3112594f10a8cee5b5412c28a846acb63167f.
# * libffi-dev is needed just because we compile llvm with LLVM_ENABLE_FFI.
makedepends="
	rust-bootstrap>=$_bootver
	cargo-bootstrap
	cmake
	curl-dev
	file
	libffi-dev
	libgit2-dev
	libressl-dev
	libssh2-dev
	llvm$_llvmver-dev
	llvm$_llvmver-test-utils
	python2
	tar
	zlib-dev
	"
# XXX: This is a hack to allow this abuild to depend on itself. Adding "rust"
# to makedepends would not work, because abuild implicitly removes $pkgname
# and $subpackages from the abuild's dependencies.
provides="rust-bootstrap=$pkgver-r$pkgrel"
# This is needed for -src that contains some testing binaries.
options="!archcheck"
subpackages="
	$pkgname-dbg
	$pkgname-stdlib
	$pkgname-analysis
	$pkgname-gdb::noarch
	$pkgname-lldb::noarch
	$pkgname-doc
	$pkgname-src::noarch
	cargo
	cargo-bash-completions:_cargo_bashcomp:noarch
	cargo-zsh-completion:_cargo_zshcomp:noarch
	cargo-doc:_cargo_doc:noarch
	"
source="https://static.rust-lang.org/dist/rustc-$pkgver-src.tar.gz
	musl-fix-static-linking.patch
	musl-fix-linux_musl_base.patch
	llvm-with-ffi.patch
	static-pie.patch
	need-rpath.patch
	minimize-rpath.patch
	alpine-move-py-scripts-to-share.patch
	alpine-change-rpath-to-rustlib.patch
	alpine-target.patch
	install-template-shebang.patch
	fix-configure-tools.patch
	bootstrap-tool-respect-tool-config.patch
	ensure-stage0-libs-have-unique-metadata.patch
	cargo-libressl27x.patch
	cargo-tests-fix-build-auth-http_auth_offered.patch
	cargo-tests-ignore-resolving_minimum_version_with_transitive_deps.patch
	check-rustc
	"
builddir="$srcdir/rustc-$pkgver-src"

_rlibdir="usr/lib/rustlib/$CTARGET/lib"
_sharedir="usr/share/rust"

ldpath="/$_rlibdir"

export RUST_BACKTRACE=1
export RUSTC_CRT_STATIC="false"
# Convince libgit2-sys to use the distro libgit2.
export LIBGIT2_SYS_USE_PKG_CONFIG=1

prepare() {
	default_prepare

	cd "$builddir"

	# Remove bundled dependencies.
	rm -Rf src/llvm/
}

build() {
	cd "$builddir"

	# jemalloc is disabled, because it increases size of statically linked
	# binaries produced by rustc (stripped hello_world 186 kiB vs. 358 kiB)
	# for only tiny performance boost (even negative in some tests).
	./configure \
		--build="$CBUILD" \
		--host="$CTARGET" \
		--target="$CTARGET" \
		--prefix="/usr" \
		--release-channel="stable" \
		--enable-local-rust \
		--local-rust-root="/usr" \
		--llvm-root="/usr/lib/llvm$_llvmver" \
		--musl-root="/usr" \
		--disable-docs \
		--enable-extended \
		--tools="analysis,cargo,src" \
		--enable-llvm-link-shared \
		--enable-option-checking \
		--enable-locked-deps \
		--enable-vendor \
		--disable-jemalloc

	./x.py build -v --jobs ${JOBS:-2}
}

check() {
	cd "$builddir"

	# At this moment lib/rustlib/$CTARGET/lib does not contain a complete
	# copy of the .so libs from lib (they will be copied there during
	# `x.py install`). Thus we must set LD_LIBRARY_PATH for tests to work.
	# This is related to change-rpath-to-rustlib.patch.
	export LD_LIBRARY_PATH="$builddir/build/$CTARGET/stage2/lib"

	"$srcdir"/check-rustc "$builddir"/build/$CTARGET/stage2/bin/rustc

# XXX: There's some problem with these tests, we will figure it out later.
#	cd "$builddir"
#	make check \
#		LD_LIBRARY_PATH="$_stage0dir/lib" \
#		VERBOSE=1

	msg "Running tests for cargo..."
	CFG_DISABLE_CROSS_TESTS=1 ./x.py test --no-fail-fast src/tools/cargo

	unset LD_LIBRARY_PATH
}

package() {
	cd "$builddir"

	DESTDIR="$pkgdir" ./x.py install -v

	cd "$pkgdir"

	# These libraries are identical to those under rustlib/. Since we have
	# linked rustc/rustdoc against those under rustlib/, we can remove
	# them. Read change-rpath-to-rustlib.patch for more info.
	rm -r usr/lib/*.so

	# These objects are for static linking with musl on non-musl systems.
	rm $_rlibdir/crt*.o

	# Shared objects should have executable flag.
	chmod +x $_rlibdir/*.so

	# Python scripts are noarch, so move them to /usr/share.
	# Requires move-py-scripts-to-share.patch to be applied.
	_mv usr/lib/rustlib/etc/*.py $_sharedir/etc/
	rmdir -p usr/lib/rustlib/etc 2>/dev/null || true

	# Remove some clutter.
	cd usr/lib/rustlib
	rm components install.log manifest-* rust-installer-version uninstall.sh
}

stdlib() {
	pkgdesc="Standard library for Rust (static rlibs)"

	_mv "$pkgdir"/$_rlibdir/*.rlib "$subpkgdir"/$_rlibdir/
}

analysis() {
	pkgdesc="Compiler analysis data for the Rust standard library"
	depends="$pkgname-stdlib=$pkgver-r$pkgrel"

	_mv "$pkgdir"/$_rlibdir/../analysis "$subpkgdir"/${_rlibdir%/*}/
}

gdb() {
	pkgdesc="GDB pretty printers for Rust"
	depends="$pkgname gdb"

	mkdir -p "$subpkgdir"
	cd "$subpkgdir"

	_mv "$pkgdir"/usr/bin/rust-gdb usr/bin/
	_mv "$pkgdir"/$_sharedir/etc/gdb_*.py $_sharedir/etc/
}

lldb() {
	pkgdesc="LLDB pretty printers for Rust"
	depends="$pkgname lldb py2-lldb"

	mkdir -p "$subpkgdir"
	cd "$subpkgdir"

	_mv "$pkgdir"/usr/bin/rust-lldb usr/bin/
	_mv "$pkgdir"/$_sharedir/etc/lldb_*.py $_sharedir/etc/
}

src() {
	pkgdesc="$pkgdesc (source code)"
	depends="$pkgname"
	license="$license OFL-1.1 GPL-3.0-or-later GPL-3.0-with-GCC-exception CC-BY-SA-3.0 LGPL-3.0"

	_mv "$pkgdir"/usr/lib/rustlib/src/rust "$subpkgdir"/usr/src/
	rmdir -p "$pkgdir"/usr/lib/rustlib/src 2>/dev/null || true

	mkdir -p "$subpkgdir"/usr/lib/rustlib/src
	ln -s ../../../src/rust "$subpkgdir"/usr/lib/rustlib/src/rust
}

cargo() {
	pkgdesc="The Rust package manager"
	license="Apache-2.0 MIT UNLICENSE"
	depends="$pkgname"
	# XXX: See comment on top-level provides=.
	provides="cargo-bootstrap=$pkgver-r$pkgrel"

	_mv "$pkgdir"/usr/bin/cargo "$subpkgdir"/usr/bin/
}

_cargo_bashcomp() {
	pkgdesc="Bash completions for cargo"
	license="Apache-2.0 MIT"
	depends=""
	install_if="cargo=$pkgver-r$pkgrel bash-completion"

	cd "$pkgdir"
	_mv etc/bash_completion.d/cargo \
		"$subpkgdir"/usr/share/bash-completion/completions/
	rmdir -p etc/bash_completion.d 2>/dev/null || true
}

_cargo_zshcomp() {
	pkgdesc="ZSH completions for cargo"
	license="Apache-2.0 MIT"
	depends=""
	install_if="cargo=$pkgver-r$pkgrel zsh"

	cd "$pkgdir"
	_mv usr/share/zsh/site-functions/_cargo \
		"$subpkgdir"/usr/share/zsh/site-functions/_cargo
	rmdir -p usr/share/zsh/site-functions 2>/dev/null || true
}

_cargo_doc() {
	pkgdesc="The Rust package manager (documentation)"
	license="Apache-2.0 MIT"
	install_if="docs cargo=$pkgver-r$pkgrel"

	# XXX: This is hackish!
	cd "$pkgdir"/../$pkgname-doc
	_mv usr/share/man/man1/cargo* "$subpkgdir"/usr/share/man/man1/
}

_mv() {
	local dest; for dest; do true; done  # get last argument
	mkdir -p "$dest"
	mv $@
}

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