Embedded libraries
==================
-This source package embeds several external libraries (foeked and managed
-by rust upstream as git submodules).
-In early stages, many more libraries were forked/emebedded but we are steadily
-progressing in splitting them out.
+The upstream source package embeds many external libraries. We make a great
+effort to remove them and use system versions where possible, but there are a
+few more remaining:
-Here below the remaining ones, with the technical reasons.
+ * vendor/backtrace-sys, vendor/dlmalloc, vendor/walkdir
- * jemalloc from https://github.com/rust-lang/jemalloc
- -> system-wide one can't be used due to rust using a "je_" prefix.
-
- This is intentional upstream design and won't change soon, see:
- - https://github.com/rust-lang/rust/pull/18678
- - http://smallcultfollowing.com/babysteps/blog/2014/11/14/allocators-in-rust/
-
- * compiler-rt from https://github.com/rust-lang/compiler-rt
- -> system-wide compiler-rt fails during linkage
-
- Bug reported upstream, still to be fixed, see:
- - https://github.com/rust-lang/rust/issues/15054
- - https://github.com/rust-lang/rust/issues/15708
-
-As a summary, we plan to:
- * keep embedding jemalloc (probably forever)
- * work with upstream to fix compiler-rt linkage soon.
-
- -- Sylvestre Ledru <sylvestre@debian.org> Sat, 06 May 2017 13:26:08 +0200
+ These are small C libraries designed to be statically linked; their upstream
+ does not support building them as a shared library and they are too small to
+ justify their own Debian package.
Building from source
Import of a new upstream version
--------------------------------
-$ uscan --verbose
-$ ver=UPDATE-ME # whatever it is, X.YY.0 probably
-$ tar xf ../rustc-$ver-src.tar.gz && ( cd rustc-$ver-src/ && ../debian/prune-unused-deps ) && rm -rf rustc-$ver-src/
-# ^ If this fails, you probably need to refresh patches or edit debian/prune-unused-deps
-$ git commit -m "Update Files-Excluded for new upstream version $ver" debian/copyright
-$ uscan --verbose # yes, again, to pick up the new Files-Excluded stuff
+$ apt install equivs python3-magic
+$ sudo mk-build-deps -irt 'aptitude -R'
+$ uscan --verbose # or debian/rules source_orig-beta, for beta
+$ ver=UPDATE-ME # whatever it is, probably X.YY.Z or X.YY.Z~beta.N
+
+$ tar xf ../rustc-${ver/\~/-}-src.tar.xz && ( cd rustc-${ver/*~*/beta}-src/ && pwd && ../debian/prune-unused-deps ) && rm -rf rustc-${ver/*~*/beta}-src/
+# ^ If this fails, you probably need to refresh the patches used by debian/prune-unused-deps
+$ git diff
+# Review the diff. If it removes too much stuff, it could mean that rustc
+# pulled in new unnecessary dependencies in this newer version. See if you can
+# drop them by amending the patch "d-0000-ignore-removed-submodules.patch".
+# Rerun the above "tar ..." commands again and check that your patch works.
+# For example, there is absolutely no reason why rustc should need openssl.
+
+$ git commit -m "Update Files-Excluded for new upstream version ${ver/\~/-}" debian/copyright
+$ uscan --verbose # yes, again, to pick up the new Files-Excluded stuff
+ # or debian/rules source_orig-beta, for beta
# Keep running this and follow its instructions, until it gives no output:
$ debian/check-orig-suspicious.sh $ver
# When you are satisfied with the above, proceed:
+$ git checkout debian/experimental
$ gbp import-orig ../rustc_$ver+dfsg1.orig.tar.xz
-$ dch -v $ver+dfsg1-1 -m "New upstream release."
+$ dch -v $ver+dfsg1-1~exp1 "New upstream release."
$ debian/rules update-version
# might also need to bump the version of the cargo Build-Depends
# then refresh patches, etc etc
+# Use /usr/share/cargo/scripts/guess-crate-copyright to help update d/copyright quickly
# If you need to repack again, bump the 'repacksuffix' in d/watch then run
$ uscan --verbose --force-download
This package does things the Debian way, which differs significantly from
upstream practices. If you find a bug, you might want to check if it is present
-in the upstream package. Run "debian/rules debian/configure-upstream" to
-generate a script, that you can then run in an unpacked upstream directory.
+in the upstream package. Run "debian/rules debian/config.toml" to generate our
+config.toml that you can then use in an upstream directory **unpacked from the
+release tarball*. (It is more complex to get this working with their git repo.)
This will configure it in a "halfway" style between upstream and Debian.
Specifically, it will not build LLVM nor download stuff from crates.io, yet
The Fedora rust team is more active than the Debian one. Here are their links:
Source code
-https://src.fedoraproject.org/cgit/rpms/rust.git/tree/
+https://src.fedoraproject.org/rpms/rust/tree/
Binary packages and test logs
https://kojipkgs.fedoraproject.org//packages/rust/
If the same test fails both on Fedora and Debian it's a good indication that
we're not Doing It Wrong and can file a valid bug upstream.
-
-Package metadata
-https://admin.fedoraproject.org/pkgdb/package/rpms/rust/
projects / rustc.git / blobdiff