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[[!meta copyright="Copyright © 2008, 2009, 2010 Free Software Foundation,
Inc."]]
[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
id="license" text="Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License, Version 1.2 or
any later version published by the Free Software Foundation; with no Invariant
Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
is included in the section entitled
[[GNU Free Documentation License|/fdl]]."]]"""]]
[[!tag open_issue_gcc]]
Includes an older variant of [[/Boehm_GC]] with own patches, etc.
For GCC trunk:
Debian package has patches (for 4.3). Some have been forwarded upstream. (And
have been ignored.) [[Thomas_Schwinge|tschwinge]] is working on getting them
integrated.
* [\[meta-bug\] bootstrap bugs for
\*-gnu\*](http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21824)
* [build system: gcc\_cv\_libc\_provides\_ssp and
NATIVE\_SYSTEM\_HEADER\_DIR](http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html)
* [-fstack-protector shouldn't use TLS in freestanding
mode](http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29838)
* [Tool chain configuration: GNU/\* sharing stuff with
GNU/Linux](http://gcc.gnu.org/ml/gcc/2007-11/msg00289.html)
Additionally:
* Configure fragments that have `*linux*` cases might/should often contain
those for us (and GNU/k*BSD) as well.
* `libgcc/configure.ac` [might
need](http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00315.html) to be
aligned for us to the `*linux*` cases. As well as at the end of
`libgcc/config.host`. Check.
checking whether decimal floating point is supported... no
checking whether fixed-point is supported... no
* `libgomp/configure.tgt`
* [[`libmudflap`|libmudflap]].
* [[Boehm_GC]].
* Might [`-fsplit-stack`](http://nickclifton.livejournal.com/6889.html) be
worthwhile w.r.t. our multithreaded libraries?
---
<http://gcc.gnu.org/install/configure.html>
* `--enable-languages=[...]`
GNAT is not yet ported / bootstrapped?
* `--enable-frame-pointer`
`gcc/configure.ac`: `enable_frame_pointer=no`
* `--with-dwarf2`?
* `--enable-werror`
* `--enable-checking`
* `--enable-build-with-cxx`
* `--enable-decimal-float`, `--enable-fixed-point`, `--with-long-double-128`
`configure: WARNING: decimal float is not supported for this target, ignored`
* `--enable-linker-build-id`
* `--enable-gnu-unique-object`
* `--enable-lto`, `--enable-gold`
[[binutils_gold]]
* `--enable-indirect-function`
[[IFUNC]]
---
Here's a log of a GCC build run; this is from
f07666e1203a50ae445025050b7e12311db6bbd0 (2010-11-04)
[[sources|source_repositories/gcc]], run on kepler.SCHWINGE and grubber.
$ export LC_ALL=C
$ ../hurd/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 takes roughly TODO minutes.
$ diff -wu <(ssh kepler.SCHWINGE 'cd tmp/source/gcc/hurd.build/ && cat log_build* | sed -e "s%${PWD}%[...]%g"') <(ssh grubber 'cd tmp/gcc/hurd.build/ && cat log_build* | sed "s%${PWD}%[...]%g"') > open_issues/gcc/log_build-diff
[[log_build-diff]].
Build failure in Boehm GC. Working on this; will need to backport
upstream patches / also have a look at Debian patches, and [[boehm_gc]]. Then
resume here.
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