GMP and Snow Leopard : a report - Sept. 08, 2010

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Dear Sir:

Please find a report for my successes and some failure in building GMP under Snow Leopard:
1. Please find below the basis-shell script used to build GMP and that worked:

rm *.log
make uninstall
make distclean

./configure --prefix=/Volumes/External_1/_Ze-Libraries/_GNU-gmp/_5.0.1/_i386 \
ABI=64 \
--enable-cxx \
CC="gcc -arch i386" CXX="g++ -arch i386" \
F77=gfortran \
2>&1 | tee my-configure.log
make 2>&1 | tee my-make.log
make check 2>&1 | tee my-check.log
make install 2>&1 | tee my-install.log
My remarks:
i) ABI=32 doesn't work (only the share subfolder is created). Only ABI=64 works ;
ii) with the command : lipo -info, I always have the x86_64 architecture, even though I set -arch i386;
iii) using --enable-fat issues an error.

2. -arch x86_64 only.
Success with a similar shell script.

3. Multiple architectures : FAILURE
CC="gcc -arch i386 -arch x86_64", etc.
Failure with the following message:
configure: error: could not find a working compiler, see config log for details.




Hoping you a good receipt.
I look forward to hearing from you.

Yours sincerely,

Laurent Delphin, Dunkerque (EU)
LDVenture 

Space Systems, Sustainable Life, & Ecosystems Advisor
Research, Survey, Design, & Management

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