cargo: update to 0.30.0.

- enable cross compilation

[ci skip]

srcpkgs/cargo/template

@@ -1,7 +1,7 @@
 # Template file for 'cargo'
 pkgname=cargo
-version=0.29.0
+version=0.30.0
-revision=2
+revision=1
 hostmakedepends="rust python curl cmake pkg-config"
 makedepends="libcurl-devel libgit2-devel"
 depends="rust"
@@ -10,45 +10,86 @@ maintainer="Enno Boland <gottox@voidlinux.eu>"
 license="MIT, Apache-2.0"
 homepage="https://crates.io/"
 distfiles="https://github.com/rust-lang/cargo/archive/${version}.tar.gz"
-checksum=9aedb9536ec0b92059ed06b79a72798daf14e3fbcf29fac308ac07d23a9493d3
+checksum=82f3ba49192b74b115b8aeca9db24deca022ee5e6351292611ab5b50e4455251
-nocross=yes
+_cargo_dist_version=0.30.0
 
-case "$XBPS_MACHINE" in
+if [ "$CROSS_BUILD" ]; then
-x86_64-musl)
+	hostmakedepends+=" cargo"
+	makedepends+=" rust"
+else
+	case "$XBPS_MACHINE" in
+	x86_64-musl)
 		distfiles+="
-	 https://alpha.de.repo.voidlinux.org/distfiles/cargo-0.29.0-x86_64-unknown-linux-musl-libgit2-27.tar.gz"
+		 https://alpha.de.repo.voidlinux.org/distfiles/cargo-${_cargo_dist_version}-x86_64-unknown-linux-musl.tar.gz"
 		checksum+="
-	 a46cb16e1008032277d744b74cba16a107539b12b8fbfd763c4cc1f80ee5568c"
+		 e9344cbf3db669383cb3492d12bcd42d9130665f577be9ad4d2028011c7b1fae"
 		;;
-x86_64)
+	x86_64)
 		distfiles+="
-	 https://static.rust-lang.org/dist/cargo-0.29.0-x86_64-unknown-linux-gnu.tar.gz"
+		 https://static.rust-lang.org/dist/cargo-${_cargo_dist_version}-x86_64-unknown-linux-gnu.tar.gz"
 		checksum+="
-	 a5e7749767c47669ed9b6e32c6fb8eda6b0fe1c63ac73a6d4666b5c1352bad24"
+		 b6012ef67923b67b9b558628cc41dd90a688742bf23e9b46ad8839d898f1b0b1"
 		;;
-i686)
+	i686)
 		distfiles+="
-	 https://static.rust-lang.org/dist/cargo-0.29.0-i686-unknown-linux-gnu.tar.gz"
+		 https://static.rust-lang.org/dist/cargo-${_cargo_dist_version}-i686-unknown-linux-gnu.tar.gz"
 		checksum+="
-	 ec9ba3aa064719222bb59de4cf8f2ad061bb31288e7dd4e98b80215203aa5876"
+		 2fc5f7f5b128de456a9e1e3f5f4ef2c6d3169dbfe078931d9fcf38c9aa9b45ba"
 		;;
+	esac
+fi
+
+case $XBPS_TARGET_MACHINE in
+	i686) _host_triplet=i686-unknown-linux-gnu;;
+	x86_64) _host_triplet=x86_64-unknown-linux-gnu;;
+	x86_64-musl) _host_triplet=x86_64-unknown-linux-musl;;
+	armv6l) _host_triplet=arm-unknown-linux-gnueabihf;;
+	armv6l-musl) _host_triplet=arm-unknown-linux-musleabihf;;
+	armv7l) _host_triplet=armv7-unknown-linux-gnueabihf;;
+	armv7l-musl) _host_triplet=armv7-unknown-linux-musleabihf;;
+	aarch64) _host_triplet=aarch64-unknown-linux-gnu;;
+	aarch64-musl) _host_triplet=aarch64-unknown-linux-musl;;
+	*) broken="Please add your triplet to the cargo template!";;
 esac
 
 post_extract() {
+	if [ -z "$CROSS_BUILD" ]; then
 		mkdir -p target/snapshot
 		case "$XBPS_MACHINE" in
 			x86_64-musl) cp ../cargo cargo;;
-		*) cp ../cargo-*/cargo/bin/cargo cargo;;
+			*) cp ../cargo-${_cargo_dist_version}-${_host_triplet}/cargo/bin/cargo cargo;;
 		esac
+	fi
 }
+do_configure() {
+	# Actually use the config we set below
+	export CARGO_HOME="$wrksrc/.cargo"
+
+	mkdir -p .cargo
+
+	cat >> .cargo/config <<EOF
+[build]
+jobs = ${makejobs#*j}
+target = "${_host_triplet}"
+[target.${_host_triplet}]
+linker = "${CC}"
+EOF
+}
+
 do_build() {
 	export LIBGIT2_SYS_USE_PKG_CONFIG=yes
-	export CARGO_HOME="${wrksrc}/.cargo"
 	export RUST_BACKTRACE=1
+	export PKG_CONFIG_ALLOW_CROSS=1
+	export RUSTFLAGS="--sysroot=${XBPS_CROSS_BASE}/usr"
+	if [ "$CROSS_BUILD" ]; then
+		cargo build --release
+	else
 		./cargo build --release
+	fi
 }
+
 do_install() {
-	vbin target/release/cargo
+	vbin target/${_host_triplet}/release/cargo
 	for f in src/etc/man/*.?; do
 		vman $f
 	done