doc: enable "check-man" target via "check" in gmake

[public-inbox.git] / Documentation / include.mk

diff --git a/Documentation/include.mk b/Documentation/include.mk
index 9fd85210903a18b9e71878449fb4d1d33b37b899..1460604d092fa9fd8401318900840b60ad174e50 100644 (file)
--- a/Documentation/include.mk
+++ b/Documentation/include.mk
@@ -8,7 +8,10 @@ all::
 # Maybe it's not worth it to support non-GNU make, though...
 RSYNC = rsync
 RSYNC_DEST = public-inbox.org:/srv/public-inbox/
+AWK = awk
 MAN = man
+
+# this is "xml" on FreeBSD and maybe some other distros:
 XMLSTARLET = xmlstarlet
 
 # same as pod2text
@@ -58,7 +61,9 @@ man8 := $(addsuffix .8, $(m8))
 
 all:: man html
 
-man: $(man1) $(man5) $(man7) $(man8)
+manpages = $(man1) $(man5) $(man7) $(man8)
+
+man: $(manpages)
 
 prefix ?= $(PREFIX)
 prefix ?= $(HOME)
@@ -83,6 +88,17 @@ doc_install :: install-man
 %.1 %.5 %.7 %.8 : Documentation/%.pod
        $(podman) -s $(subst .,,$(suffix $@)) $< $@+ && mv $@+ $@
 
+check :: check-man
+check_man = @echo CHECK80 $<;COLUMNS=80 $(MAN) ./$^ | \
+       $(AWK) '{gsub(/\b./,"")}length>80{print;err=1}END{exit(err)}' >&2
+
+%.1.cols : %.1; $(check_man)
+%.5.cols : %.5; $(check_man)
+%.7.cols : %.7; $(check_man)
+%.8.cols : %.8; $(check_man)
+
+check-man :: $(addsuffix .cols, $(manpages))
+
 manuals :=
 manuals += $(m1)
 manuals += $(m5)
@@ -116,7 +132,8 @@ NEWS NEWS.atom NEWS.html :
 check :: NEWS check-NEWS.atom NEWS.html
 
 check-NEWS.atom: NEWS.atom
-       $(XMLSTARLET) val $<; e=$$?; test $$e -eq 0 || test $$e -eq 127
+       $(XMLSTARLET) val NEWS.atom || \
+               { e=$$?; test $$e -eq 0 || test $$e -eq 127; }
 
 Documentation/%.html: Documentation/%.txt
        $(txt2pre)