rustup: add patch for libressl-2.8.

srcpkgs/rustup/patches/libressl-2.8.patch

@@ -0,0 +1,9 @@
+--- Cargo.toml
++++ Cargo.toml
+@@ -77,3 +77,6 @@
+ name = "rustup-init"
+ path = "src/rustup-cli/main.rs"
+ test = false # no unit tests
++
++[patch.crates-io]
++openssl-sys = {git = 'https://github.com/jnbr/rust-openssl', rev = "d5471c97ae86e5bd1032eb6fd95005933f507c49"}

srcpkgs/rustup/template

@@ -13,7 +13,10 @@ license="Apache-2.0, MIT"
 homepage="https://www.rustup.rs"
 distfiles="https://github.com/rust-lang-nursery/${pkgname}.rs/archive/${version}.tar.gz"
 checksum=ab125d9b12bf0f3f7e7ad98e826035fa1ae3dbe6ba8b78be4c82f9cde00bc59f
-broken="uses incompatible openssl-sys"
+
+pre_build() {
+	cargo update --package openssl-sys --precise 0.9.35
+}
 
 do_install() {
 	vbin target/${RUST_TARGET}/release/rustup-init rustup