[gs-bugs] [Bug 692007] SSE2 builds don't work for 32 bit Linux

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Mon Feb 28 22:09:45 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692007

--- Comment #7 from Henry Stiles <henry.stiles at artifex.com> 2011-02-28 22:09:43 UTC ---
gcc -m32 does not enable SSE2 I am not sure why, but that is a gcc issue.  

Did you set the flags before ran configure?

CFLAGS=-m32 LDFLAGS=-m32 ./configure

Certainly you would have to do that.  SSE2 is checked by running a small C
program, the program should fail to compile if the CFLAGS include -m32
resulting in no -DHAVE_SSE2 flag.  

I suspect you are setting CFLAGS after the SSE2 autoconf program runs or not at
all, using your CC=gcc -m32 trick, that would foil the autoconf sse2 test.  If
this isn't it can you tell me exactly how you set -m32.  comment #6 looks like
a separate bug - just a syntax error in michael's code when sse2 is disabled.

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