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1eca19786e
Estimated hours taken: 3
Add Mmake support for target-specific MCFLAGS flags (MCFLAGS-foo, etc.)
using some tricky GNU Make hackery that avoids warning about undefined
variables.
Also define ALL_MCFLAGS = $(MCFLAGS) $(TARGET_MCFLAGS) $(EXTRA_MCFLAGS)
and use $(ALL_MCFLAGS) instead of $(MCFLAGS). This allows user Mmakefiles
to override MCFLAGS without suppressing the use of the TARGET_MCFLAGS
and EXTRA_MCFLAGS.
Similarly for the other *FLAGS variables.
scripts/Mmake.vars.in:
Define ALL_*FLAGS and TARGET_*FLAGS.
scripts/Mmake.rules:
Use ALL_*FLAGS instead of *FLAGS.
scripts/mmake.in:
Re-enable the warnings about undefined variables,
since we won't get too many spurious warnings now.
Mmake.common.in:
Delete `$(MCFLAGS-$*)' from the definition of `MCFLAGS', since this
is now done automatically by Mmake.
tests/Mmake.common:
Delete the definitions of MCFLAGS and GRADEFLAGS, since this stuff
is now done automatically by Mmake.
doc/user_guide.texi:
NEWS:
Document these changes.