build-sys: use a generic TEXI2MAN rule

The recipe for making a man page from .texi is duplicated several
times over.  Capture it in suitable pattern rules instead.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170113144135.5150-20-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/rules.mak b/rules.mak
index ce9e7e6ffe..a7b6c0b020 100644
--- a/rules.mak
+++ b/rules.mak
@@ -363,3 +363,13 @@ define unnest-vars
         $(eval -include $(patsubst %.o,%.d,$(patsubst %.mo,%.d,$($v))))
         $(eval $v := $(filter-out %/,$($v))))
 endef
+
+TEXI2MAN = $(call quiet-command, \
+	perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< $@.pod && \
+	$(POD2MAN) --section=$(subst .,,$(suffix $@)) --center=" " --release=" " $@.pod > $@, \
+	"GEN","$@")
+
+%.1:
+	$(call TEXI2MAN)
+%.8:
+	$(call TEXI2MAN)