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Build *roff documents with groff warnings enabled.

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...some of them, at any rate.  We shut off (1) warnings provoked by Matt
Bishop's "mn" macro package, and (2) warnings spuriously emitted by
groff 1.23 and previous when "-wall" (or "-ww") is specified.

Also update explanatory comments.
This commit is contained in:
G. Branden Robinson
2024-09-10 06:04:14 -05:00
parent e318d21afc
commit d116052796
2 changed files with 11 additions and 1 deletions
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10
sys/unix/hints/include/misc.370
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@@ -76,6 +76,13 @@ NROFFISGROFF := $(shell echo `nroff --version | grep "GNU groff version"`)
ifneq "$(NROFFISGROFF)" ""
# get the version of groff and flag if it is gt or eq to 1.23
GROFFGE123 := $(shell expr `echo $(NROFFISGROFF) | cut -f2 -d.` \>= 23)
# or less than 1.24
GROFFLT124 := $(shell expr `echo $(NROFFISGROFF) | cut -f2 -d.` \< 24)
# -Wtab -Wrange are for the sake of tmac.n.
NROFF_FLAGS := -wall -Wtab -Wrange
ifneq "$(GROFFLT124)" ""
NROFF_FLAGS += -Wel -Wscale
endif
endif # NROFFISGROFF
ifneq "$(NROFFISGROFF)" "" # It's groff
@@ -83,7 +90,8 @@ ifneq "$(NROFFISGROFF)" "" # It's groff
MAN2TXTPRE += -Tascii
ifneq "$(GROFFGE123)" "" # It's groff 1.23 or greater
#$(info GROFFGE123=$(GROFFGE123))
# add the groff 1.23 specific plain text flag -P
# nroff in groff 1.23 supports the -P option to pass arguments to the
# output driver. -cbou are flags to grotty(1).
MAN2TXTPRE += -P -cbou
MAN2TXTPOST=
else