https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=83995
NGie Cooper <n...@freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugs.freebsd.org/bu
| |gzilla/show_bug.cgi?id=1901
| |03,
| |https://bugs.freebsd.org/bu
| |gzilla/show_bug.cgi?id=1937
| |68
CC| |bdrew...@freebsd.org,
| |i...@freebsd.org,
| |n...@freebsd.org
--- Comment #1 from NGie Cooper <n...@freebsd.org> ---
Agreed. This logic is broken/confusing:
38 .if defined(DEBUG)
39 _MINUS_O= -O
40 CTFFLAGS+= -g
41 .else
42 .if ${MACHINE_CPUARCH} == "powerpc"
43 _MINUS_O= -O # gcc miscompiles some code at -O2
44 .else
45 _MINUS_O= -O2
46 .endif
47 .endif
48 .if ${MACHINE_CPUARCH} == "amd64"
49 .if ${COMPILER_TYPE} == "clang"
50 COPTFLAGS?=-O2 -pipe
51 .else
52 COPTFLAGS?=-O2 -frename-registers -pipe
53 .endif
54 .else
55 COPTFLAGS?=${_MINUS_O} -pipe
56 .endif
57 .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
58 COPTFLAGS+= -fno-strict-aliasing
59 .endif
60 .if !defined(NO_CPU_COPTFLAGS)
61 COPTFLAGS+= ${_CPUCFLAGS}
62 .endif
In particular, clang's version of COPTFLAGS always override the ${_MINUS_O}, -O
on clang is synonymous with -O2, etc. brewery was complaining about this as
well the other day/week.
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