From 6eba644f667dd13bd9c83bd957166b4234d0bebc Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Thu, 24 May 2012 23:51:41 +0200 Subject: open_issues/gcc: 9cfe8751c08b60037c3f36d6d86d164c45fc8ec6 (2011-10-23) --- open_issues/gcc.mdwn | 84 ++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 72 insertions(+), 12 deletions(-) (limited to 'open_issues/gcc.mdwn') diff --git a/open_issues/gcc.mdwn b/open_issues/gcc.mdwn index da4b9345..3d7c67fd 100644 --- a/open_issues/gcc.mdwn +++ b/open_issues/gcc.mdwn @@ -76,12 +76,12 @@ testsuite. git checkout reviewed git log --reverse --pretty=fuller --stat=$COLUMNS,$COLUMNS -p -C --cc ..upstream/master -i -/^commit |^---$|hurd|linux +/^commit |^---$|hurd|linux|nptl|glibc --> -Last reviewed up to the [[Git mirror's 9aa4b6a8046270a9dbdf47827f1ea873217d7aa5 -(2011-11-28) sources|source_repositories/gcc]]. +Last reviewed up to the [[Git mirror's 4b1da543a2212d4b442c4b83b5233469032003d1 +(2012-04-11) sources|source_repositories/gcc]]. has documentation for the `configure` switches. @@ -100,7 +100,7 @@ Last reviewed up to the [[Git mirror's 9aa4b6a8046270a9dbdf47827f1ea873217d7aa5 * `libstdc++-v3/config/os/gnu-linux/*` Is used for all GNU systems, as per `libstdc++-v3/configure.host`. - Should rename to `gnu` to reflect this? + Should rename to `gnu-user` to reflect this? * `gcc/acinclude.m4`:`gcc_GAS_FLAGS`: always pass `--32` to assembler for x86 Linux. (Why?) @@ -250,11 +250,21 @@ Last reviewed up to the [[Git mirror's 9aa4b6a8046270a9dbdf47827f1ea873217d7aa5 * f29a2041f32773464e226a83f41762c2e9cf658e (e53a96c2136f7cdff4699475fea41afeed9dece3) + * [high] 3efc00f6f17778172d3fa7ac737fa1473b3b4d5a, `Check __GLIBC__ when + using __SIGRTMIN`. GCC PR52390. Fixed by + 8d2259c83f94c082ad8a00b5d00bb639ce24efce. + + * 15ac1e637ad0cb92bf7629205c617ea847a4b810 `Build 64-bit libffi multilib for + i?86-linux`. + + * `libstdc++`: uses `_GLIBCXX_HAVE_TLS`, but where is this defined? Supposed + to come from `config/tls.m4:GCC_CHECK_TLS`? + # Build Here's a log of a GCC build run; this is from our [[Git repository's -74a56c71c55f667824eb2ef1d62d408e9c000d5e (2011-10-23) +9cfe8751c08b60037c3f36d6d86d164c45fc8ec6 (2011-10-23) sources|source_repositories/gcc]], run on kepler.SCHWINGE and coulomb.SCHWINGE. $ export LC_ALL=C @@ -267,8 +277,14 @@ sources|source_repositories/gcc]], run on kepler.SCHWINGE and coulomb.SCHWINGE. Different hosts may default to different shells and compiler versions; thus harmonized. -This takes up around 2.9 GiB, and needs roughly 2.75 h on kepler.SCHWINGE and -13.25 h on coulomb.SCHWINGE. +This takes up around 3.1 GiB, and needs roughly 2.5 h on kepler.SCHWINGE and 12 +h on coulomb.SCHWINGE. + + ## Analysis @@ -334,8 +350,12 @@ This takes up around 2.9 GiB, and needs roughly 2.75 h on kepler.SCHWINGE and * `libgomp/config/linux/`, `libgomp/config/linux/x86` + `sed`ed away. + * `-ftls-model=initial-exec -march=i486 -mtune=i686` + `sed`ed away. + * Missing `EOWNERDEAD`, `ENOTRECOVERABLE`. What're they used for? * `RLIMIT_VMEM`. Usage kosher? @@ -421,6 +441,36 @@ This takes up around 2.9 GiB, and needs roughly 2.75 h on kepler.SCHWINGE and `-Wl,-Bsymbolic` vs. `-Wl,-Bsymbolic-functions` + * The following warnings probably appeared when adding `t/debian-multiarch`: + + gawk -f ../../master/gcc/opt-functions.awk -f ../../master/gcc/opt-read.awk \ + -f ../../master/gcc/optc-gen.awk \ + -v header_name="config.h system.h coretypes.h tm.h" < optionlist > options.c + +warning: multiple different help strings for I: + + -I . Add to the end of the main source path + + -I Add to the end of the main include path + +warning: multiple different help strings for nostdinc: + + Do not look for source files in standard path + + Do not search standard system include directories (those specified with -isystem will still be used) + + * `jar` + + make[2]: Entering directory `[...]/hurd/master.build/[ARCH]/libjava' + -: make ; exec make "AR_FLAGS=rc" [...] "RANLIB=ranlib" "DESTDIR=" "JAR=[...]/hurd/master.build/[ARCH]/libjava/scripts/jar" DO=all multi-do + +: make ; exec make "AR_FLAGS=rc" [...] "RANLIB=ranlib" "DESTDIR=" "JAR=jar" DO=all multi-do + + Probably because kepler.SCHWINGE has an OpenJDK `/usr/bin/jar`, and + coulomb.SCHWINGE a GCJ one. + + There are other instances of this in the following. + + * *default library search path* + + -checking for the default library search path... /lib /usr/lib /lib/[MULTIARCH] /usr/lib/[MULTIARCH] /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib /lib64 /usr/lib64 + +checking for the default library search path... /lib /usr/lib + + Should be aligned by Samuel's binutils patch. + # Install @@ -445,6 +495,17 @@ min on coulomb.SCHWINGE. `-Wl,-Bsymbolic` vs. `-Wl,-Bsymbolic-functions` (as above) + * `value-unwind.h` + + /usr/bin/install -c -m 644 ../../master/gcc/../libcpp/include/symtab.h [...]/hurd/master.build.install/lib/gcc/[ARCH]/4.7.0/plugin/include/symtab.h + -/usr/bin/install -c -m 644 ../../master/gcc/../libgcc/config/i386/value-unwind.h [...]/hurd/master.build.install/lib/gcc/[ARCH]/4.7.0/plugin/include/value-unwind.h + /usr/bin/install -c -m 644 ../../master/gcc/ada/gcc-interface/ada-tree.def [...]/hurd/master.build.install/lib/gcc/[ARCH]/4.7.0/plugin/include/ada/gcc-interface/ada-tree.def + + Comes from `gcc/config.gcc`: for `i[34567]86-*-linux*` + vs. `i[34567]86-*-*`, but apparently is important only for *x86_64* anyway. + + * `jar`: as above. + # Testsuite @@ -456,14 +517,13 @@ Testing on GNU/Hurd is blocked on TODO. Can use parallel testing, see [[!message-id "20110331070322.GI11563@sunsite.ms.mff.cuni.cz"]]. - $ make -k check 2>&1 | tee log_check + $ make -k check-gcc 2>&1 | tee log_check [...] -This needs roughly TODO min on kepler.SCHWINGE and TODO min on -coulomb.SCHWINGE. +This needs roughly 3.75 h on kepler.SCHWINGE and 24 h on coulomb.SCHWINGE. - $ ssh kepler.SCHWINGE 'cd tmp/source/gcc/ && cat hurd/master.build/TODO | sed -e "s%\(/media/data\)\?${PWD}%[...]%g"' > toolchain/logs/gcc/linux/sum - $ ssh coulomb.SCHWINGE 'cd tmp/gcc/ && cat hurd/master.build/TODO | sed -e "s%\(/media/erich\)\?${PWD}%[...]%g"' > toolchain/logs/gcc/hurd/sum + $ ssh kepler.SCHWINGE 'cd tmp/source/gcc/ && cat hurd/master.build/*/*/*/*.sum | sed -e "s%\(/media/data\)\?${PWD}%[...]%g"' > toolchain/logs/gcc/linux/sum + $ ssh coulomb.SCHWINGE 'cd tmp/gcc/ && cat hurd/master.build/*/*/*/*.sum | sed -e "s%\(/media/erich\)\?${PWD}%[...]%g"' > toolchain/logs/gcc/hurd/sum $ diff -u -F ^Running toolchain/logs/gcc/linux/sum toolchain/logs/gcc/hurd/sum > toolchain/logs/gcc/sum.diff -- cgit v1.2.3