[Bug 1338043] Re: Using seh exceptions, win32 threads

2014-08-12 Thread Anthony Kelman 
That sounds perfect Stephen, thanks for the great work and the heads-up.

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Title:
  Using seh exceptions, win32 threads

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[Bug 1338043] Re: Using seh exceptions, win32 threads

2014-07-07 Thread Anthony Kelman 
The cross-compile from my own set of SEH, win32-threading debs worked
nicely.

There was one little hangup of strerror_s not existing in the msvcrt
runtime when I try to run the cross-compiled binary on XP, but I think I
can solve that with a configure flag in the library I'm building.
Deciding to not support XP is an okay decision in my book, hopefully
more people will agree with that over time.

Overall I was pleasantly surprised how painless and relatively quick
(only about 20 minutes, on an old computer) it was to build the set of
modified MinGW debs, it felt much faster than the last time I built GCC
from source on a non-Debian distribution. Maybe just because cross-
compilers don't go through the whole bootstrap process?

Anyway, in case it helps anyone who comes across this in the future,
this was the set of steps I did to make it all work (reconstructed from
my .bash_history):

mkdir ~/GCC
cd ~/GCC
apt-get source gcc-mingw-w64
sudo apt-get build-dep g++-mingw-w64
sudo apt-get build-dep gfortran-mingw-w64
cd gcc-mingw-w64-12
# change --enable-threads=posix to --enable-threads=win32
# and remove --enable-sjlj-exceptions from debian/rules
# change libgcc_s_sjlj-1.dll to libgcc_s_seh-1.dll in
# debian/gcc-mingw-w64-x86-64.install
dpkg-buildpackage -rfakeroot -uc -b
cd ..
sudo dpkg -i *.deb


This overwrites the existing SJLJ, posix-threading MinGW packages I had 
installed, but I'm okay with that for now and it should be easy to get them 
back if I need them.

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Title:
  Using seh exceptions, win32 threads

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[Bug 1338043] Re: Using seh exceptions, win32 threads

2014-07-05 Thread Anthony Kelman 
Thanks Stephen, glad you saw this.

So it looks like I got a set of debs built okay from the source package
without much trouble. I changed --enable-threads from posix to win32 in
debian/rules, and deleted the line that said --enable-sjlj-exceptions.
The gcc-mingw-w64-i686/usr/lib/gcc/i686-w64-mingw32/4.8 build result has
an sjlj libgcc_s, and no libwinpthread. I also had to change debian/gcc-
mingw-w64-x86-64.install to fix the 64 bit filename to now be
libgcc_s_seh-1.dll.

I'll give these debs I just built a try. Will take a while to rebuild
the library I'm interested in at the moment, it has a bunch of big
dependencies.

You know better than I in terms of the best way to eventually set it up.
But I'd be interested to see what it might look like from an end-user
standpoint. Would alternatives be used to switch the default linker
script between multiple options, possibly?

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Title:
  Using seh exceptions, win32 threads

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[Bug 1338043] [NEW] Using seh exceptions, win32 threads

2014-07-05 Thread Anthony Kelman 
Public bug reported:

Perhaps this question should go to Debian - I'm interested in using the
MinGW-w64 cross-compiler package but my preference is for SEH exception
handling on x86_64 (rather than sjlj), and win32 threading instead of
posix to avoid the dependence on libwinpthread-1.dll. Other non-Debian
distributions like Fedora and OpenSUSE provide this combination by
default, though I recognize win32 threading does not work as well with
std::thread so it's not ideal for all users. If there were a mechanism
for providing multiple options through Debian/Ubuntu packaging, it would
be a much more versatile platform for cross-compilation.

Maybe this would be good to do as a PPA? I'm experimenting now with
doing dpkg-buildpackage with a couple small modifications to the
debian/rules file where the appropriate configure flags are used.

** Affects: gcc-mingw-w64 (Ubuntu)
 Importance: Undecided
 Status: New

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  Using seh exceptions, win32 threads

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[Bug 1087171] Re: Command line option -PIC accepted on armhf but nowhere else?

2012-12-10 Thread Anthony Kelman 
Update: on Quantal, the bug is fixed with gcc-4.7, but still present
with gcc-4.6.

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Title:
  Command line option -PIC accepted on armhf but nowhere else?

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[Bug 1087514] [NEW] package initramfs-tools 0.103ubuntu0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

2012-12-06 Thread Anthony Kelman 
Public bug reported:

This happened following https://bugs.launchpad.net/ubuntu/+source
/update-manager/+bug/1087502 when I tried to run do-release-upgrade a
second time. Essentially duplicate, submitted in case auto-generated
additional information is useful. This may be related to
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1035647
and I will try the workaround suggested therein.

ProblemType: Package
DistroRelease: Linaro 12.11
Package: initramfs-tools 0.103ubuntu0.2
Uname: Linux 3.2.1-linaro-omap armv7l
ApportVersion: 2.6.1-0ubuntu6
AptOrdering: initramfs-tools: Configure
Architecture: armhf
Date: Fri Dec  7 00:47:52 2012
DpkgHistoryLog: Start-Date: 2012-12-07  00:47:09
ErrorMessage: subprocess installed post-installation script returned error exit 
status 1
MarkForUpload: True
PackageArchitecture: all
SourcePackage: initramfs-tools
Title: package initramfs-tools 0.103ubuntu0.2 failed to install/upgrade: 
subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-12-07 (0 days ago)

** Affects: initramfs-tools (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: apport-package armhf precise

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Title:
  package initramfs-tools 0.103ubuntu0.2 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

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[Bug 1087502] [NEW] do-release-upgrade -d failure at /etc/initramfs/post-update.d//flash-kernel

2012-12-06 Thread Anthony Kelman 
Public bug reported:

Attempted do-release-upgrade -d from Linaro Precise to Quantal on a
brand new Gumstix Waysmall Silverlode armhf. Failure at:

Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-3.2.1-linaro-omap
Unsupported platform.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing initramfs-tools (--configure):
 subprocess installed post-installation script returned error exit status 1

ProblemType: Bug
DistroRelease: Linaro 12.11
Package: update-manager-core 1:0.174.3
Uname: Linux 3.2.1-linaro-omap armv7l
ApportVersion: 2.6.1-0ubuntu6
Aptdaemon:
 
Architecture: armhf
Date: Fri Dec  7 00:06:20 2012
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: Upgraded to precise on 2012-12-07 (0 days ago)
modified.conffile..etc.update.motd.d.91.release.upgrade:
 #!/bin/sh
 
 if [ -x /usr/lib/ubuntu-release-upgrader/release-upgrade-motd ]; then
 exec /usr/lib/ubuntu-release-upgrader/release-upgrade-motd
 fi
mtime.conffile..etc.update.manager.release.upgrades: 2012-11-08T20:12:53
mtime.conffile..etc.update.motd.d.91.release.upgrade: 2012-11-08T20:12:53

** Affects: update-manager (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: apport-bug armhf dist-upgrade precise

** Attachment added: "collected-logs.tgz"
   
https://bugs.launchpad.net/bugs/1087502/+attachment/3453448/+files/collected-logs.tgz

** Tags added: dist-upgrade

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Title:
  do-release-upgrade -d failure at /etc/initramfs/post-update.d//flash-
  kernel

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[Bug 1087171] [NEW] Command line option -PIC accepted on armhf but nowhere else?

2012-12-06 Thread Anthony Kelman 
Public bug reported:

The following minimal test case reproduces the problem:
echo "int main () {}" > test.c && gcc -c -o test.o test.c && gcc -o test -PIC 
test.o && echo "succeeds"

On every other architecture I've tried, the -PIC flag results in "gcc:
error: unrecognized option '-PIC'" which is the typically expected
behavior here. Apologies if this counts as a linker bug and should not
be filed under gcc.

The unexpected success on armhf in Precise is confusing the build system
of PETSc such that package libpetsc3.1-dev is failing to build shared
libraries. If this is actually a feature rather than a bug of this
version/arch of gcc or ld then this could be considered a bug in PETSc's
build system instead.

You can see the effect this has on PETSc in its configure.log
(/usr/lib/petscdir/3.1/$PETSC_ARCH/conf/configure.log, see the tests
checkPIC and checkSharedLinker). Normally the test fails with '-PIC', so
it moves on to try '-fPIC' which works correctly for building shared
libraries.

It does look as though this has been fixed in Quantal, but the
unexpected behavior remains in Precise.

ProblemType: Bug
DistroRelease: Linaro 12.11
Package: gcc 4:4.6.3-1ubuntu5
Uname: Linux 3.2.1-linaro-omap armv7l
ApportVersion: 2.0.1-0ubuntu15
Architecture: armhf
Date: Thu Dec  6 08:24:38 2012
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: gcc-defaults
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gcc-defaults (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: apport-bug armhf petsc precise

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Title:
  Command line option -PIC accepted on armhf but nowhere else?

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