From 282282cc221d8b834c6cc87acf7f568cca5484db Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Sat, 22 Sep 2018 00:53:24 +0900
Subject: [PATCH] Fix #5454: latex: Index has disappeared from PDF for Japanese
 documents

---
 CHANGES                      | 1 +
 sphinx/texinputs/latexmkjarc | 8 +++-----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/CHANGES b/CHANGES
index 2cd2b914c..87f3b519a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -32,6 +32,7 @@ Bugs fixed
 * #5457: Fix TypeError in error message when override is prohibited
 * #5453: PDF builds of 'howto' documents have no page numbers
 * #5463: mathbase: math_role and MathDirective was disappeared in 1.8.0
+* #5454: latex: Index has disappeared from PDF for Japanese documents
 
 Testing
 --------
diff --git a/sphinx/texinputs/latexmkjarc b/sphinx/texinputs/latexmkjarc
index 93c7fc78c..5b315d6c9 100644
--- a/sphinx/texinputs/latexmkjarc
+++ b/sphinx/texinputs/latexmkjarc
@@ -5,11 +5,9 @@ sub mendex {
   my ($source, $basename, $destination) = @_;
   my $dictfile = $basename . ".dic";
   unlink($destination);
-  if (-f $dictfile) {
-    system("mendex", "-U", "-f", "-d", $dictfile, "-s", "python.ist", $source);
-    if ($? > 0) {
-      print("mendex exited with error code $? (ignored)\n");
-    }
+  system("mendex", "-U", "-f", "-d", $dictfile, "-s", "python.ist", $source);
+  if ($? > 0) {
+    print("mendex exited with error code $? (ignored)\n");
   }
   if (!-e $destination) {
     # create an empty .ind file if nothing