From c7d0d03a6bfbd09dccaeaa0ed6c2e072c86e4792 Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Thu, 3 Feb 2022 15:49:43 +0100
Subject: [PATCH] Speed up fixincludes.

In my case:
$ rm ./stmp-fixinc ; time make -j16

takes 17 seconds, where I can reduce it easily with the suggested
change. Then I get to 11.2 seconds.

The scripts searches ~2500 folders in my case with total 20K header
files.

fixincludes/ChangeLog:

	* fixinc.in: Use mkdir -p rather that a loop.
---
 fixincludes/fixinc.in | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/fixincludes/fixinc.in b/fixincludes/fixinc.in
index de5a37f6acc4..0c3066452c62 100755
--- a/fixincludes/fixinc.in
+++ b/fixincludes/fixinc.in
@@ -258,12 +258,10 @@ then echo "All directories (including links to directories):"
      echo $all_dirs
 fi
 
-for file in $all_dirs; do
-  rm -rf $LIB/$file
-  if [ ! -d $LIB/$file ]
-  then mkdir $LIB/$file
-  fi
-done
+cd $LIB
+echo "$all_dirs" | xargs mkdir -p
+cd ..
+
 mkdir $LIB/root
 
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