git: share/mk: Allow per-group flags to override default compile flags

[Aaron LI]

commit b787bbd068d6b7cd81782f6809d31551428a142a
Author: Aaron LI <aly at aaronly.me>
Date:   Thu Mar 19 11:53:03 2026 +0800

    share/mk: Allow per-group flags to override default compile flags
    
    Per-group flags support was introduced in commit
    6d68f83fef807ce255df27c2482db0d58ff71744, but the per-group flags (i.e.,
    ${${_FG}_FLAGS} and ${_${.IMPSRC}_FLAGS}) were listed *before* the
    default/common compile flags (e.g., ${CFLAGS}).  As a result, there was
    no way for per-group flags to override the default compile flags, which
    was counter-intuitive and made the feature less useful.
    
    This commit splits the per-group flags into '-I' flags and non-'-I'
    flags, and reorders the non-'-I' flags *after* the default compile flags,
    allowing them to be overridden on a per-group basis as needed.
    
    An immediate beneficiary will be gnu/lib/gccXX/libstdcxx, which requires
    multiple file groups to override the default compile flags.

Summary of changes:
 share/mk/bsd.dep.mk     |  9 +++++---
 share/mk/bsd.hostlib.mk |  6 +++--
 share/mk/bsd.lib.mk     | 58 ++++++++++++++++++++++++++++++-------------------
 share/mk/sys.mk         | 49 ++++++++++++++++++++++++++---------------
 4 files changed, 78 insertions(+), 44 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b787bbd068d6b7cd81782f6809d31551428a142a


-- 
DragonFly BSD source repository