build/makedocs.sh: handle relative output directories

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/build/makedocs.sh b/build/makedocs.sh
index a9fc760e7a..955c58cf0e 100755
--- a/build/makedocs.sh
+++ b/build/makedocs.sh
@@ -7,8 +7,15 @@ topdir=$(pwd)
 	exit 1
 }
 
+outdir=$(readlink -f "$1")
+
+mkdir -p "$outdir" || {
+	echo "Unable to mkdir '$outdir'" >&2
+	exit 1
+}
+
 (
 	cd "$topdir/build/luadoc/"
 	find "$topdir/libs/" "$topdir/modules/" -type f -name '*.lua' -or -name '*.luadoc' | \
-		xargs grep -l '@return' | xargs ./doc.lua --no-files -d "$1"
+		xargs grep -l '@return' | xargs ./doc.lua --no-files -d "$outdir"
 )