Description of problem:
rpmrc does not enable the instruction sets which are available to some of the
listed IA-32 architectures. As a result, generated binaries when compiled for a
specific processor are to generic. Selecting -march does schedule for a specific
processor, but does not enable the additional instruction sets available, e.g. SSE.
A patch for rpmrc.in is attached which adds the options for the instruction sets
which are supported by the various IA-32 processor families.
Since the default build architecture is a generic one (i386 for IA-32), this
will not affect any standard builds. Users building for a specific architecture
may benefit from this patch if they override the default buildarchtranslate: in
their /etc/rpmrc or ~/.rpmrc file.
Version-Release number of selected component (if applicable):
# rpm --version
RPM version 188.8.131.52
# rpm -q rpm
Steps to Reproduce:
Created attachment 312984 [details]
Optimized IA-32 build options
Still present in FC10, rpm version 4.6.0.
# rpm --version
RPM version 4.6.0-rc3
# rpm -q rpm
Created attachment 328660 [details]
Optimized IA-32 build options for rpm 4.6.0-0.rc3.1 (FC10)
Updates original patch id 312984: "Optimized IA-32 build options" which was made against rpm 184.108.40.206-2 (FC9)
It's redhat-rpm-config which dictates what flags get passed to which archs. Maybe something to look into while we changing the archs for the mass-rebuild...
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle.
Changing version to '11'.
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