https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214173
Bug ID: 214173
Summary: gcc48 doesn't accept -march=nehalem
Product: Base System
Version: 11.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: conf
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
CC: [email protected]
/usr/share/mk/bsd.cpu.mk in FreeBSD 11 unconditionally convert CPUTYPE=corei7
to CPUTYPE=nehalem. It can cause error in ports built with the default version
of gcc, including gcc itself, ghc, and other ports with USE_GCC=yes.
A simple test:
$ echo 'int main(){}' > main.c
$ gcc48 -march=corei7 main.c && echo "OK"
OK
$ gcc48 -march=nehalem main.c && echo "OK"
main.c:1:0: error: bad value (nehalem) for -march= switch
int main(){}
^
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