# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1496931007 25200
# Node ID a1cf97b8f48f24aece0957ef156731b1df7208a1
# Parent  685b81826b68135f00bb8d66eb8b9f2cbc394bcd# Parent  becdd3c867c764f1ff8427e2426f6d146a913b1a
Merge pull request #137 from GitHub.

diff -r becdd3c867c7 -r a1cf97b8f48f autoload/gutentags/ctags.vim
--- a/autoload/gutentags/ctags.vim	Mon May 29 15:58:57 2017 +0200
+++ b/autoload/gutentags/ctags.vim	Thu Jun 08 07:10:07 2017 -0700
@@ -35,6 +35,7 @@
 
 " Gutentags Module Interface {{{
 
+let s:did_check_exe = 0
 let s:runner_exe = gutentags#get_plat_file('update_tags')
 let s:unix_redir = (&shellredir =~# '%s') ? &shellredir : &shellredir . ' %s'
 
@@ -54,11 +55,14 @@
     endif
 
     " Check if the ctags executable exists.
-    if g:gutentags_enabled && executable(expand(g:gutentags_ctags_executable, 1)) == 0
-        let g:gutentags_enabled = 0
-        echoerr "Executable '".g:gutentags_ctags_executable."' can't be found. "
-                    \."Gutentags will be disabled. You can re-enable it by "
-                    \."setting g:gutentags_enabled back to 1."
+    if s:did_check_exe == 0
+        if g:gutentags_enabled && executable(expand(g:gutentags_ctags_executable, 1)) == 0
+            let g:gutentags_enabled = 0
+            echoerr "Executable '".g:gutentags_ctags_executable."' can't be found. "
+                        \."Gutentags will be disabled. You can re-enable it by "
+                        \."setting g:gutentags_enabled back to 1."
+        endif
+        let s:did_check_exe = 1
     endif
 endfunction