diff options
author | Thomas Schwinge <thomas@schwinge.name> | 2010-12-10 12:19:51 +0100 |
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committer | Thomas Schwinge <thomas@schwinge.name> | 2010-12-10 12:19:51 +0100 |
commit | 49657ebaef939b56a58b226ac1635165c9346dc4 (patch) | |
tree | d7a8c3417eadc0824e89bed981f13aeebafdb7fe /open_issues/gcc.mdwn | |
parent | dc65d5dcbbaf72b84ec84cd0ce1a0bb24f960b73 (diff) |
open_issues/gcc/testsuite: Integrate into open_issues/gcc.
Diffstat (limited to 'open_issues/gcc.mdwn')
-rw-r--r-- | open_issues/gcc.mdwn | 178 |
1 files changed, 174 insertions, 4 deletions
diff --git a/open_issues/gcc.mdwn b/open_issues/gcc.mdwn index 01997128..b5f35d44 100644 --- a/open_issues/gcc.mdwn +++ b/open_issues/gcc.mdwn @@ -17,6 +17,8 @@ Apart from the target-specific configuration machinery, there shouldn't be any major differences within GCC between the GNU/Hurd and GNU/Linux ports, for example. Especially all the compiler magic is all the same. +[[!toc levels=2]] + # [[General information|/gcc]] @@ -44,7 +46,7 @@ On 2010-11-17, [[tschwinge]] reviewed the Debian GCC Boehm GC changes, compared them to the upstream code, and put it into the local *hurd/boehm-gc/config_backport* branch, planning to submit it to gcc-patches after testing with the GCC -[[testsuite]]. +testsuite. # Configuration @@ -118,9 +120,6 @@ Last reviewed up to the [[Git mirror's 3457702eb6f8ee22acaee881dc7f783c3aa2fa91 [[IFUNC]] -# [[Testsuite]] - - # TODO Debian's GCC package has Hurd-specific patches. Some have been forwarded @@ -138,3 +137,174 @@ getting them integrated. * [Tool chain configuration: GNU/\* sharing stuff with GNU/Linux](http://gcc.gnu.org/ml/gcc/2007-11/msg00289.html) + + +# Build + +Here's a log of a GCC build run; this is from our [[Git repository's +5ac39af7792ba0dc363cc199060faf53dfa9dc1a (2010-12-08) +sources|source_repositories/gcc]], run on kepler.SCHWINGE and grubber. + + $ export LC_ALL=C + $ ../master/configure --prefix="$PWD".install 2>&1 | tee log_build + [...] + $ make SHELL=/bin/bash 2>&1 | tee log_build_ + [...] + +(kepler.SCHWINGE defaults to using /bin/sh, grubber to /bin/bash; thus +harmonized.) + +On grubber, this needs roughly 24 hours, and takes up around 2.5 GiB. + + $ diff -wu <(ssh kepler.SCHWINGE 'cd tmp/source/gcc/ && cat hurd/master.build/log_build* | sed -e "s%${PWD}%[...]%g"' | sed -f open_issues/gcc/log_build-linux.sed) <(ssh grubber 'cd tmp/gcc/ && cat hurd/master.build/log_build* | sed "s%${PWD}%[...]%g"' | sed -f open_issues/gcc/log_build-hurd.sed) > open_issues/gcc/log_build-diff + +[[log_build-diff]]. + + +## Analysis + + * [[`checking if gcc static flag -static + works... no`|glibc_madvise_vs_static_linking]] + + * DFP + + +configure: WARNING: decimal float is not supported for this target, ignored + + ... and later on: + + -checking for decimal floating point... bid + +checking for decimal floating point... configure: WARNING: decimal float is not supported for this target, ignored + +dpd + + ... and later on: + + -checking whether decimal floating point is supported... yes + +checking whether decimal floating point is supported... no + +configure: WARNING: decimal float is not supported for this target, ignored + + * `host-linux.c` vs. `host-default.c` + + * *fixincludes* stuff + + * malloc? + + -cat ../../hurd/gcc/config/i386/pmm_malloc.h > mm_malloc.h + +cat ../../hurd/gcc/config/i386/gmm_malloc.h > mm_malloc.h + + * *libgomp* + + * `libgomp/config/linux/`, `libgomp/config/linux/x86` + + * `-ftls-model=initial-exec -march=i486 -mtune=i686` + + * `-static` vs. `dlopen` + + -checking whether a statically linked program can dlopen itself... no + +checking whether a statically linked program can dlopen itself... yes + + * ISO/IEC TR 24733 + + -checking for ISO/IEC TR 24733 ... yes + +checking for ISO/IEC TR 24733 ... no + + * `basic_file.cc` + + +basic_file.cc: In member function 'std::streamsize std::__basic_file<char>::showmanyc()': + +basic_file.cc:344:33: warning: enumeral and non-enumeral type in conditional expression [enabled by default] + + * `libtool: link: ar rc .libs/libstdc++.a [...]` + + Just different order of object files, or another problem? + + * `gcc/gthr-posix.h` + + +In file included from ../.././gcc/gthr-default.h:1:0, + + from [...]/hurd/libobjc/../gcc/gthr.h:162, + + from [...]/hurd/libobjc/thr.c:43: + +[...]/hurd/libobjc/../gcc/gthr-posix.h: In function '__gthread_objc_thread_set_priority': + +[...]/hurd/libobjc/../gcc/gthr-posix.h:384:41: warning: unused parameter 'priority' [-Wunused-parameter] + + * `java-signal.h`, `java-signal-aux.h` + + -config.status: linking ../../../hurd/libjava/include/i386-signal.h to include/java-signal.h + -config.status: linking ../../../hurd/libjava/include/i386-signal.h to include/java-signal-aux.h + +config.status: linking ../../../hurd/libjava/include/default-signal.h to include/java-signal.h + +config.status: linking ../../../hurd/libjava/include/default-signal.h to include/java-signal-aux.h + + * `jni_md.h` + + -checking jni_md.h support... yes + +checking jni_md.h support... configure: WARNING: no + + * *default library search path* + + -checking for the default library search path... /lib /usr/lib /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib + +checking for the default library search path... /lib /usr/lib + + * `./classpath/[...]/*.properties` + + Just different order of files, or another problem? + + * `libjava/gnu/gcj/util/natGCInfo.cc` + + +../../../hurd/libjava/gnu/gcj/util/natGCInfo.cc:440:1: warning: unused parameter 'name' [-Wunused-parameter] + +../../../hurd/libjava/gnu/gcj/util/natGCInfo.cc:446:1: warning: unused parameter 'name' [-Wunused-parameter] + +../../../hurd/libjava/gnu/gcj/util/natGCInfo.cc:452:1: warning: unused parameter 'name' [-Wunused-parameter] + + * `gnu/java/net/natPlainSocketImpl.cc` + + +gnu/java/net/natPlainSocketImpl.cc: In member function 'virtual jint gnu::java::net::PlainSocketImpl::available()': + +gnu/java/net/natPlainSocketImpl.cc:515:27: warning: enumeral and non-enumeral type in conditional expression [enabled by default] + + * `gnu/java/nio/channels/natFileChannelImpl.cc` + + +gnu/java/nio/channels/natFileChannelImpl.cc: In member function 'jint gnu::java::nio::channels::FileChannelImpl::available()': + +gnu/java/nio/channels/natFileChannelImpl.cc:388:20: warning: enumeral and non-enumeral type in conditional expression [enabled by default] + + * `libgcj.la`, `.libs/libgcj.a` + + Just different order of object files, or another problem? + + Is there a pattern that GNU/Hurd hands out the files alphabetically sorted + where it wouldn't need to ([[!taglink open_issue_hurd]])? + + Why does the GNU Hurd's `lib_build_` repeatedly contain a long series + (several KiB) of NUL (0) characters after the 5319th column in the + `/bin/bash ./libtool --tag=CXX --mode=link [...] -o libgcj.la [...]` + command line? Is that only in the log? + + * `libjvm.la`, `.libs/libjvm.so`, `libgij.la`, `.libs/libgij.so.12.0.0` + + `-Wl,-Bsymbolic` vs. `-Wl,-Bsymbolic-functions` + + +# Install + + $ make SHELL=/bin/bash install 2>&1 | tee log_install + [...] + +(kepler.SCHWINGE defaults to using /bin/sh, grubber to /bin/bash; thus +harmonized.) + +On grubber, this needs roughly 15 minutes, and takes up around 0.7 GiB. + + $ diff -wu <(ssh kepler.SCHWINGE 'cd tmp/source/gcc/ && cat hurd/master.build/log_install | sed -e "s%${PWD}%[...]%g" -e "s%i686-pc-linux-gnu%[ARCH]%g"') <(ssh grubber 'cd tmp/gcc/ && cat hurd/master.build/log_install | sed -e "s%${PWD}%[...]%g" -e "s%i686-unknown-gnu0\.3%[ARCH]%g"') > open_issues/gcc/log_install-diff + +[[log_install-diff]]. + + +## Analysis + + * `libtool: finish`: `ldconfig` is not run for the Hurd. + + * `libjvm.la`, `.libs/libjvm.so`, `libgij.la`, `.libs/libgij.so.12.0.0` + + `-Wl,-Bsymbolic` vs. `-Wl,-Bsymbolic-functions` (as above) + + +# Testsuite + +<http://gcc.gnu.org/install/test.html> + + $ make SHELL=/bin/bash -k check 2>&1 | tee log_check + [...] |