On Fri, Jun 04, 2010 at 01:38:36AM +0000, ales...@users.alioth.debian.org wrote:
The following commit has been merged in the master branch:


   Those options are supported by amd64 too.

-ifeq ($(DEB_HOST_ARCH_CPU),i386)
+ifneq (,$(findstring :$(DEB_HOST_ARCH_CPU):,:i386:amd64:))
CXXFLAGS+=-msse -msse2 -mfpmath=sse
endif

True, they are always available on amd64, but I believe they are *not* always available on i386!

As I understand it, fpumath was only always available since i586, and SSE and SSE2 also got introduced at that time if not later.

Maybe (but I'm not sure) Debian have dropped support for i386 (due to the Linux kernel doing so), but I am pretty certain we have not abandoned i486 yet (some VIA and Crusoe CPUs still on the market implement only a subset of intel Pentium features).


 - Jonas

--
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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