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Subject: [Bug 193768] New: src.conf/make.conf: CFLAGS/COPTFLAGS inconsistency
Date: Fri, 19 Sep 2014 12:59:33 +0000
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 11.0-CURRENT
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X-Bugzilla-Severity: Affects Many People
X-Bugzilla-Who: ohartman@zedat.fu-berlin.de
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193768

            Bug ID: 193768
           Summary: src.conf/make.conf: CFLAGS/COPTFLAGS inconsistency
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: Needs Triage
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: ohartman@zedat.fu-berlin.de

man make.conf states, that COPTFLAGS is used for building/compiling the kernel
(exclusively). The question arises: are kernel modules NOT kernel or are they
kernel?

The problem I face is that with optimization level -O3 loader.efi gets
miscompiled and a
UEFI laptop stops/reject booting. To avoid other interference, I defined
COPTFLAGS
in /etc/src.conf accordingly, but leave CFLAGS?=-O3 in /etc/make.conf for
compilation of
regular ports and the rest of the OS.

I can observe that with CFLAGS set, either in make.conf, or src.conf or mutual
exclusive,
the CFLAGS is ALWAYS incorporated when kernel stuff like modules and even the
loader.efi
is built! I consider this inconsitent, since loader.efi is definitely kernel
related
stuff as well as modules.

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