[Gc] GC 6.8 & PowerPC

jim marshall jim.marshall at wbemsolutions.com
Fri Dec 14 11:11:37 PST 2007

We are still using GC 6.8, we are experimenting porting our application 
over to a PowerPC Linux based platform. The first task is to compile the 
GC, this is not going so well. I have built GCC 4.1.0 cross compiler for 
PowerPC 860 (using the Crosstools script). I then try to build the GC as 

[gc6.8]$ ./configure --prefix=/home/jmars/memory/ppc 
--enable-gc-assertions --enable-static=no --enable-threads=posix --host=ppc
configure: WARNING: If you wanted to set the --build type, don't use --host.
    If a cross compiler is detected then cross compile mode will be used.
checking build system type... i686-pc-linux-gnu
checking host system type... powerpc-unknown-none
checking target system type... powerpc-unknown-none
checking GC version numbers... major=6 minor=8
checking for a BSD-compatible install... /usr/bin/install -c
checking for ppc-ranlib... 
checking for a BSD-compatible install... /usr/bin/install -c
checking whether to enable maintainer-specific portions of Makefiles... no
configure: error: "Pthreads not supported by the GC on this platform."

What is the correct threading model?

Any other pointers on doing this welcome (this is the first time I've 
tried to cross-compile something)


Jim Marshall
Sr. Staff Engineer
WBEM Solutions, Inc.

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