build: Create man/ subdirectory before building man pages.

diff --git a/Goalfile.in b/Goalfile.in
index f0aaab2..7a085e3 100644 (file)
--- a/Goalfile.in
+++ b/Goalfile.in
@@ -118,6 +118,7 @@ goal documentation = : pod2man ("goals", "1"),
 goal pod2man (page, section) =
 "man/%page.%section" : "docs/%page.pod" {
     rm -f %@ %@-t
+    mkdir -p man
     %POD2MAN \
         -u \
         -c "goals" \