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Subject: [Bug 214173] gcc48 doesn't accept -march=nehalem
Date: Thu, 03 Nov 2016 18:24:17 +0000
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: conf
X-Bugzilla-Version: 11.0-RELEASE
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D214173

            Bug ID: 214173
           Summary: gcc48 doesn't accept -march=3Dnehalem
           Product: Base System
           Version: 11.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: conf
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: lantw44@gmail.com
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org

/usr/share/mk/bsd.cpu.mk in FreeBSD 11 unconditionally convert CPUTYPE=3Dco=
rei7
to CPUTYPE=3Dnehalem. It can cause error in ports built with the default ve=
rsion
of gcc, including gcc itself, ghc, and other ports with USE_GCC=3Dyes.

A simple test:

$ echo 'int main(){}' > main.c
$ gcc48 -march=3Dcorei7 main.c && echo "OK"
OK
$ gcc48 -march=3Dnehalem main.c && echo "OK"
main.c:1:0: error: bad value (nehalem) for -march=3D switch
 int main(){}
 ^

--=20
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