patch 8.1.2239: CI fails when running tests without building Vim
Problem: CI fails when running tests without building Vim.
Solution: Skip creating doc tags if the execute does not exist.
diff --git a/runtime/doc/Makefile b/runtime/doc/Makefile
index 443a27a..57aec4e 100644
--- a/runtime/doc/Makefile
+++ b/runtime/doc/Makefile
@@ -323,7 +323,8 @@
# Use Vim to generate the tags file. Can only be used when Vim has been
# compiled and installed. Supports multiple languages.
vimtags: $(DOCS)
- $(VIMEXE) -eX -u doctags.vim
+ @if test -x $(VIMEXE); then $(VIMEXE) -eX -u doctags.vim; \
+ else echo "vim executable $(VIMEXE) not found"; fi
# Use "doctags" to generate the tags file. Only works for English!
tags: doctags $(DOCS)