More notes on rust

rust/build_rust.sh

@@ -20,6 +20,7 @@ cd "rustc-$version_rustc-src"
     --local-rust-root="$PWD/../install-rustc-$version_rustc_bootstrap" \
     --llvm-root="$PWD/../install-llvm-$version_llvm" \
     --enable-vendor
+# --enable-llvm-link-shared
 
 case "$version_rustc" in
 1.3[0-9].*|1.4[0-6].*)
@@ -28,6 +29,9 @@ case "$version_rustc" in
     paths='library/std src/librustc cargo' ;;
 esac
 
+# ./x.py install --stage 1 compiler/rustc library/std
+# ./x.py install --stage 0 cargo
+
 # Build and install
 mkdir -p "$dir_install"
 ./x.py install $MAKEFLAGS --stage 2 $paths

rust/install_gentoo.txt

@@ -0,0 +1,10 @@
+Install to /usr/lib/rust/<ver>
+
+ver=<ver>
+cp /usr/lib/rust/$ver/bin/{rustc,rustc-$ver}
+ln -s /usr/lib/rust/$ver/bin/rustc-$ver /usr/bin/rustc-$ver
+touch /etc/env.d/rust/provider-rust-$ver
+emerge -1 app-eselect/eselect-rust
+eselect rust set rust-$ver
+emerge -O1 dev-lang/rust
+(might need to set CC=clang and CXX=clang++ for initial build...)