From fa8fbd61516e922a256e2b2750f101540b579f13 Mon Sep 17 00:00:00 2001
From: Antoine du HAMEL <duhamelantoine1995@gmail.com>
Date: Sat, 5 Sep 2020 01:58:33 +0200
Subject: [PATCH] tools: fix docopen target

Adds to prerequisites the output file to open. Previously, this would
open an out-of-date version of the file, or fail if it hasn't been built
before.
---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 5120d517de9759..08f86c28298769 100644
--- a/Makefile
+++ b/Makefile
@@ -771,8 +771,8 @@ out/doc/api/all.json: $(apidocs_json) tools/doc/alljson.js
 	$(call available-node, tools/doc/alljson.js)
 
 .PHONY: docopen
-docopen: $(apidocs_html)
-	@$(PYTHON) -mwebbrowser file://$(PWD)/out/doc/api/all.html
+docopen: out/doc/api/all.html
+	@$(PYTHON) -mwebbrowser file://$(abspath $<)
 
 .PHONY: docserve
 docserve: $(apidocs_html)