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GCC 4.3.2 port updated

November 17, 2008 by Mark Dodel

++ From the VOICE OS/2-eCS News Service ++

From: Mark Dodel

Paul Smedley has updated his port of GCC 4.3.2.

"4.3.2 now available

Mainly due to the fact that GCC 3.3.5 (which is what is currently used by
kLibc) is becoming too old to build the latest Mozilla trunk code, I
started working on building a newer version of GCC.

I've started with v3.4.6 - as the thought was that the amount of changed
between 3.3.5 and 3.4.6 would be comparatively small compared with aiming
for the 'latest' GCC (currently 4.3.2). I now have builds of 3.4.6, 4.0.4
and 4.3.2

The current binary of GCC 4.3.2 has been used to build several projects
successfully - ie rsync, Apache2, MySQL, Firefox 3.0-cvs, Ghostscript,
ffmpeg amongst others

Known Issues with the current 4.3.2 release (2008-10-12b)
- no support yet for the GOMP multiprocessor library
- link warning when using -Zomf - emxomf will require updating to deal with
the new stabs types, but according to Knut, these warnings can be safely
ignored, and only affect debugging

Seamonkey/Thunderbird currently do not build - Firefox is OK

Updates since original build - the date in brackets reflects the first
build that contained the fix
- Added threading support (2008-10-11 build)
- fixed problem with stdcall that produced errors like ':75: Error:
invalid character '_' in mnemonic' (2008-10-12 build)
- fixed (hopefully) 'internal compiler error' crashes when -fPIC is used
(2008-10-12 build)
- Added support for precompiled headers based on cygwin code (untested)
(2008-10-12b build)
- Fixed 'gcc conftest.c -lgcc' produced -lgcc.exe (20081012b build)
- Fixed problems with cdecl (20081014 build)
- Fixed (hopefully) problems with fastcall (20081014 build)
- Binutils 2.16.1 (minus ld.exe) included (20081025 build)
- Fixed (hopefully) probelm with recursive thread support in libstdc++ -
thanks Yuri for the patch! (20081025 build)
- Fixed a problem with dllexport and Seamonkey (20081031 build)
- Fixed problem with c++ exceptions (20081105 build)
- Enabled '-O3 -march=pentium -mtune=pentium4' optimisation (20081105b build)
- Fixed problem with missing 'popcount*' symbol when linking certain code
(20081116 build)
- Fixed problems with 'vtable for xxx' symbol missing for Seamonkey
(20081116 build)

Problems with this build can be reported using my bug tracker at

Current binaries:"

GCC 4.3.2 2008-11-16 release

GCC 4.3.2 2008-10-25 release patches

Please let Paul know if you find this software useful. He needs user
feedback to continue work on these projects. He maintains a bug tracker
for many projects at It just requires a simple

If you'd like to help support continued development of this project (and
many others) for OS/2 & eComStation, please consider making a donation
either via Paypal using the link on Paul's website, or using the Mensys
Online Store

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