[petsc-dev] defaulting gnu compilers on Apple

[Jed Brown]

Satish Balay <balay at mcs.anl.gov> writes:
>>  ⏎
>> clang: warning: argument unused during compilation: '-fsel-sched-pipelining'
>> 
>> ~/s/s/w/tmp ❯❯❯ gcc --analyze file.c
>> ~/s/s/w/tmp ❯❯❯ clang --analyze file.c
>
> so /usr/bin/gcc is an alias to clang on Xcode5

Not an alias and not the same exact binary, but the same number of
bytes.  You can report to Apple that the options documented in "man gcc"
do not work with the "gcc" that they ship.
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