Bug 32436: Add lucetc project for RLBox

projects/lucetc/build

+#!/bin/bash
+[% c("var/set_default_env") -%]
+[% pc(c('var/compiler'), 'var/setup', { compiler_tarfile => c('input_files_by_name/' _ c('var/compiler')) }) %]
+distdir=/var/tmp/dist
+builddir=/var/tmp/build/[% project %]
+
+mkdir -p $distdir
+tar -C /var/tmp/dist -xf [% c('input_files_by_name/cmake') %]
+tar -C /var/tmp/dist -xf [% c('input_files_by_name/clang') %]
+tar -C /var/tmp/dist -xf [% c('input_files_by_name/binutils') %]
+tar -C /var/tmp/dist -xf [% c('input_files_by_name/rust') %]
+tar -C /var/tmp/dist -xf [% c('input_files_by_name/wasi-sysroot') %]
+export PATH="/var/tmp/dist/cmake/bin:/var/tmp/dist/clang/bin:/var/tmp/dist/binutils/bin:/var/tmp/dist/rust/bin:$PATH"
+export CC=$distdir/clang/bin/clang
+export CFLAGS="-L$distdir/clang/lib"
+export CXXFLAGS=$CFLAGS
+export CXX=$distdir/clang/bin/clang++
+export AR=$distdir/clang/bin/llvm-ar
+export RUSTFLAGS="-C linker=$CXX -C link-arg=$CXXFLAGS"
+export LUCET_PREFIX=$distdir/[% project %]
+export WASI_SYSROOT=$distdir/wasi-sysroot
+
+mkdir -p /var/tmp/build
+tar -C /var/tmp/build -xf [% project %]-[% c('version') %].tar.gz
+
+# Now prepare the offline build
+# Move the directory for hardcoding the path in .cargo/config
+mv /var/tmp/build/[% project %]-[% c('version') %] $builddir
+tar -C $builddir -xjf lucetc-vendor.tar.bz2
+cd $builddir
+# .cargo exists already, let's just add to it
+cat >> .cargo/config << 'EOF'
+
+[source.crates-io]
+replace-with = "vendored-sources"
+
+[source.vendored-sources]
+directory = "/var/tmp/build/lucetc/vendor"
+EOF
+
+make -j[% c("buildconf/num_procs") %] build
+make install
+
+cd $distdir
+[% c('tar', {
+        tar_src => [ project ],
+        tar_args => '-czf ' _ dest_dir _ '/' _ c('filename'),
+    }) %]

projects/lucetc/config

+# vim: filetype=yaml sw=2
+filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %]'
+version: '[% c("abbrev") %]'
+git_hash: 5c22392b5b1aaa60e915c75e92b57391e1e61e6d
+git_url: https://github.com/PLSysSec/lucet_sandbox_compiler/
+git_submodule: 1
+
+var:
+  container:
+    use_container: 1
+
+input_files:
+  - project: container-image
+  # Our clang still needs GCC parts (libstdc++ for instance) so we include that
+  # one here even though compilation gets done solely by clang.
+  - name: '[% c("var/compiler") %]'
+    project: '[% c("var/compiler") %]'
+  - name: cmake
+    project: cmake
+  - name: clang
+    project: clang
+  - name: binutils
+    project: binutils
+  - name: rust
+    project: rust
+    input_file_var:
+      # lucetc needs Rust >= 1.36.0
+      rust_version: 1.36.0
+      prev_version: 1.35.0
+  - name: wasi-sysroot
+    project: wasi-sysroot
+  # `cargo vendor vendor` in the `lucetc-sandbox-compiler` directory has vendored
+  # the sources.
+  - URL: https://people.torproject.org/~gk/mirrors/sources/lucetc-vendor.tar.bz2
+    sha256sum: 5a7802834d0d4b9210f323cf69cc305946f22dba4ddaf2c4c0eb6d3621da2c2a

projects/rust/config

 # vim: filetype=yaml sw=2
 filename: '[% project %]-[% c("version") %]-[% c("var/build_id") %].tar.gz'
-version: 1.34.2
+version: '[% c("input_file_var/rust_version") %]'
 
-var:
+# those values can be changed from the input_files section of other
+# projects. See projects/lucetc/config and bug 32436.
+input_file_var:
+  rust_version: 1.34.2
   prev_version: 1.33.0
+
+var:
+  prev_version: '[% c("input_file_var/prev_version") %]'
   container:
     use_container: 1