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[Bug-gsl] [bug #39152] make check errors with Intel icc 13.0.1

From: Patrick Alken
Subject: [Bug-gsl] [bug #39152] make check errors with Intel icc 13.0.1
Date: Mon, 03 Jun 2013 16:43:38 +0000
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:21.0) Gecko/20100101 Firefox/21.0

Follow-up Comment #2, bug #39152 (project gsl):

Intel icc turns on unsafe floating point optimizations by default, where gcc
does not (gcc must specify -ffast-math for these). Compiling GSL with gcc
-ffast-math produces many similar errors as seen by the icc logs below. To
turn off unsafe optimizations in icc use -fp-model precise:

make CFLAGS="-fp-model precise -g -O2"
make CFLAGS="-fp-model double -g -O2"

Both of these pass all tests


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