From debbugs-submit-bounces@debbugs.gnu.org Thu Oct 26 04:17:54 2017 Received: (at 28433) by debbugs.gnu.org; 26 Oct 2017 08:17:54 +0000 Received: from localhost ([127.0.0.1]:33975 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e7dMI-0006Ql-6Y for submit@debbugs.gnu.org; Thu, 26 Oct 2017 04:17:54 -0400 Received: from dd1012.kasserver.com ([85.13.128.8]:46286) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e7dMF-0006Qb-8c for 28433@debbugs.gnu.org; Thu, 26 Oct 2017 04:17:44 -0400 Received: from localhost (77.118.194.142.wireless.dyn.drei.com [77.118.194.142]) by dd1012.kasserver.com (Postfix) with ESMTPSA id 663A91CA0027; Thu, 26 Oct 2017 10:17:39 +0200 (CEST) Date: Thu, 26 Oct 2017 10:17:28 +0200 From: Danny Milosavljevic To: Ricardo Wurmus Subject: Re: [bug#28433] [WIP] Rust update Message-ID: <20171026101728.6493ef46@scratchpost.org> In-Reply-To: <873767cnsu.fsf@elephly.net> References: <20170912185023.7de883ff@scratchpost.org> <873767cnsu.fsf@elephly.net> X-Mailer: Claws Mail 3.15.1-dirty (GTK+ 2.24.31; x86_64-unknown-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 28433 Cc: 28433@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) Hi, Rust as I posted it fails with the text below. It tries to compile and link rustc via bootstrap rustc and gcc, via a i686 compiler (also on x86_64). What the error message means is that it is only picking up the x86_64 glibc - and not the i686 glibc - even though the "cc" command line contains "-m32". I've even added a custom linker command to the rust config (also in the patch) but that doesn't help either - apparently that setting is not even picked up. Maybe that's the reason... Rust has support for Nix somewhat, and I've enabled it in the bootstrapper. I've also added cross-libc for i686 and fixed up environment variables (in a hacky way - maybe that's the reason). So I guess my actual question is how to do this cross compilation correctly. Note that the rust bootstrap compiler are binaries from upstream. (There's a project "mrust" that is a reimplementation of Rust in C++ that we could use in the long term in order to remove this binary) ---------------------------------------------------------- Running `/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/bin/rustc --crate-name rustdoc src/bootstrap/bin/rustdoc.rs --crate-type bin --emit=dep-info,link -C debug-assertions=off -C metadata=83218ce7652a40a2 -C extra-filename=-83218ce7652a40a2 --out-dir /tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps -L depe ndency=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps --extern rustc_serialize=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/deb ug/deps/librustc_serialize-5c8c719f8cb442df.rlib --extern getopts=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libgetopts-781edef4d7eacd14.rlib --ex tern gcc=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libgcc-3c79a13fa356000a.rlib --extern libc=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src /build/bootstrap/debug/deps/liblibc-1ece201356dd0812.rlib --extern toml=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libtoml-3495572d91ba2dfe.rlib - -extern num_cpus=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libnum_cpus-d81d39a56ecc4645.rlib --extern build_helper=/tmp/guix-build-rustc-1.18.0.d rv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libbuild_helper-d1189496287db707.rlib --extern filetime=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libfiletime-1fba24aeada37bf3.rlib --extern cmake=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libcmake-4feacbf6844c5e86.rlib --extern bootstrap=/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libbootstrap-3ebfecab87ea2884.rlib` error: linking with `cc` failed: exit code: 1 | = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m32" "-L" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/rustdoc-83218ce7652a40a2.0.o" "-o" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/rustdoc-83218ce7652a40a2" "-Wl,--gc-sections" "-pie" "-nodefaultlibs" "-L" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps" "-L" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,-Bdynamic" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libbootstrap-3ebfecab87ea2884.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libtoml-3495572d91ba2dfe.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/librustc_serialize-5c8 c719f8cb442df.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libnum_cpus-d81d39a56ecc4645.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libcmake-4feacbf6844c5e86.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libgcc-3c79a13fa356000a.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libbuild_helper-d1189496287db707.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libfiletime-1fba24aeada37bf3.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/liblibc-1ece201356dd0812.rlib" "/tmp/guix-build-rustc-1.18.0.drv-0/rustc-1.18.0-src/build/bootstrap/debug/deps/libgetopts-781edef4d7eacd14.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libstd-f4594d3e53dcb114.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq -rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libpanic_unwind-a0157c0ca919c364.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libunwind-488b4ab4bd53a138.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/librand-1efbcfd8938372b6.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libcollections-532a3dbf317eff86.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/liballoc-ca07b617414dd0fa.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/liballoc_jemalloc-492d8ea7fa3384ff.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/liblibc-88c194c15fdb6521.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-ru stc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libstd_unicode-cfbd6648f7db2ee5.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libcore-687e6a964d22cbb4.rlib" "/gnu/store/zmcc9gizicl91qvpcnl7ric2klnqhsdq-rustc-bootstrap-1.17.0/lib/rustlib/i686-unknown-linux-gnu/lib/libcompiler_builtins-987729be881d4d32.rlib" "-l" "util" "-l" "dl" "-l" "rt" "-l" "pthread" "-l" "gcc_s" "-l" "pthread" "-l" "c" "-l" "m" "-l" "rt" "-l" "util" = note: ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libutil.so when searching for -lutil ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libutil.a when searching for -lutil ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libutil.so when searching for -lutil ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libutil.a when searching for -lutil ld: cannot find -lutil ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libdl.so when searching for -ldl ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libdl.a when searching for -ldl ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libdl.so when searching for -ldl ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libdl.a when searching for -ldl ld: cannot find -ldl ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/librt.so when searching for -lrt ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/librt.a when searching for -lrt ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/librt.so when searching for -lrt ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/librt.a when searching for -lrt ld: cannot find -lrt ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libpthread.so when searching for -lpthread ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libpthread.a when searching for -lpthread ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libpthread.so when searching for -lpthread ld: skipping incompatible /gnu/store/n6nvxlk2j8ysffjh3jphn1k5silnakh6-glibc-2.25/lib/libpthread.a when searching for -lpthread ld: cannot find -lpthread ld: skipping incompatible /gnu/store/3x53yv4v144c9xp02rs64z7j597kkqax-gcc-5.4.0-lib/lib/gcc/x86_64-unknown-linux-gnu/5.4.0/../../../libgcc_s.so when searching for -lgcc_s ld: cannot find -lgcc_s ----------------------------------------------------------