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Filter the libraries included in rust-std (rhbz1756487)

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Josh Stone 2019-09-27 15:22:39 -07:00
parent 3c6623c53d
commit 963b518699
2 changed files with 88 additions and 4 deletions
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74
0001-WIP-minimize-the-rust-std-component.patch Normal file
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@ -0,0 +1,74 @@
From 2bf05f208272cd58c57f4d7d8d0e10fdb22e8719 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Fri, 27 Sep 2019 12:33:08 -0700
Subject: [PATCH] [WIP] minimize the rust-std component
---
src/bootstrap/dist.rs | 45 +++++++++++++++----------------------------
1 file changed, 16 insertions(+), 29 deletions(-)
diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs
index 552965863d10..76fbd07f9fb5 100644
--- a/src/bootstrap/dist.rs
+++ b/src/bootstrap/dist.rs
@@ -667,41 +667,28 @@ impl Step for Std {
return distdir(builder).join(format!("{}-{}.tar.gz", name, target));
}
- // We want to package up as many target libraries as possible
- // for the `rust-std` package, so if this is a host target we
- // depend on librustc and otherwise we just depend on libtest.
- if builder.hosts.iter().any(|t| t == target) {
- builder.ensure(compile::Rustc { compiler, target });
- } else {
- if builder.no_std(target) == Some(true) {
- // the `test` doesn't compile for no-std targets
- builder.ensure(compile::Std { compiler, target });
- } else {
- builder.ensure(compile::Test { compiler, target });
- }
- }
+ builder.ensure(compile::Std { compiler, target });
+ builder.ensure(compile::Test { compiler, target });
let image = tmpdir(builder).join(format!("{}-{}-image", name, target));
let _ = fs::remove_dir_all(&image);
- let dst = image.join("lib/rustlib").join(target);
+ let dst = image.join("lib/rustlib").join(target).join("lib");
t!(fs::create_dir_all(&dst));
- let mut src = builder.sysroot_libdir(compiler, target).to_path_buf();
- src.pop(); // Remove the trailing /lib folder from the sysroot_libdir
- builder.cp_filtered(&src, &dst, &|path| {
- if let Some(name) = path.file_name().and_then(|s| s.to_str()) {
- if name == builder.config.rust_codegen_backends_dir.as_str() {
- return false
- }
- if name == "bin" {
- return false
- }
- if name.contains("LLVM") {
- return false
- }
+
+ let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
+ let stamp = dbg!(compile::libstd_stamp(builder, compiler_to_use, target));
+ for (path, host) in builder.read_stamp_file(&stamp) {
+ if !host {
+ builder.copy(&path, &dst.join(path.file_name().unwrap()));
}
- true
- });
+ }
+ let stamp = dbg!(compile::libtest_stamp(builder, compiler_to_use, target));
+ for (path, host) in builder.read_stamp_file(&stamp) {
+ if !host {
+ builder.copy(&path, &dst.join(path.file_name().unwrap()));
+ }
+ }
let mut cmd = rust_installer(builder);
cmd.arg("generate")
--
2.21.0

18
rust.spec
View File

@ -49,7 +49,7 @@
Name: rust
Version: 1.38.0
Release: 1%{?dist}
Release: 2%{?dist}
Summary: The Rust Programming Language
License: (ASL 2.0 or MIT) and (BSD and MIT)
# ^ written as: (rust itself) and (bundled libraries)
@ -70,6 +70,10 @@ Patch1: rust-pr57840-llvm7-debuginfo-variants.patch
# Mask a warning-as-error when rebuilding 1.38 with 1.38
Patch2: rustc-1.38.0-rebuild-bootstrap.patch
# Reduce the size of rust-std
# https://github.com/rust-lang/rust/pull/64823
Patch3: 0001-WIP-minimize-the-rust-std-component.patch
# Get the Rust triple for any arch.
%{lua: function rust_triple(arch)
local abi = "gnu"
@ -401,6 +405,7 @@ test -f '%{local_rust_root}/bin/rustc'
%patch1 -p1 -R
%patch2 -p1
%patch3 -p1
%if "%{python}" == "python3"
sed -i.try-py3 -e '/try python2.7/i try python3 "$@"' ./configure
@ -542,9 +547,11 @@ find %{buildroot}%{_libdir} -maxdepth 1 -type f -name '*.so' \
(cd "%{buildroot}%{rustlibdir}/%{rust_triple}/lib" &&
find ../../../../%{_lib} -maxdepth 1 -name '*.so' |
while read lib; do
# make sure they're actually identical!
cmp "$lib" "${lib##*/}"
ln -v -f -s -t . "$lib"
if [ -f "${lib##*/}" ]; then
# make sure they're actually identical!
cmp "$lib" "${lib##*/}"
ln -v -f -s -t . "$lib"
fi
done)
# Remove installer artifacts (manifests, uninstall scripts, etc.)
@ -708,6 +715,9 @@ rm -f %{buildroot}%{rustlibdir}/etc/lldb_*.py*
%changelog
* Fri Sep 27 2019 Josh Stone <jistone@redhat.com> - 1.38.0-2
- Filter the libraries included in rust-std (rhbz1756487)
* Thu Sep 26 2019 Josh Stone <jistone@redhat.com> - 1.38.0-1
- Update to 1.38.0.