doc: check-man: use COLUMNS env for width

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

diff --git a/Documentation/include.mk b/Documentation/include.mk
index 4af8d45552b8bed8264ab57cf6da31eff5a9d08b..07b9f2a3f414734105906ad0c08856c9891dc55a 100644 (file)
--- a/Documentation/include.mk
+++ b/Documentation/include.mk
@@ -92,8 +92,8 @@ doc_install :: install-man
 # n.b. not sure if our usage of man(1) is portable or not, so not
 # enabled by default "check" target:
 # check :: check-man
-check_man = @echo CHECK80 $<;COLS=80 $(MAN) ./$^ | \
-       $(AWK) 'length>80{print;err=1}END{exit(err)}' >&2
+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)