Ensure the m4 directory exists so that autoreconf doesn't complain

  * Add a throwaway hidden file so git creates the directory
  * Add an exception in .gitignore so this file is not ignored

diff --git a/.gitignore b/.gitignore
index 7159568..6dab25d 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -13,7 +13,8 @@ configure
 Makefile.in
 Makefile
 autom4te.cache
 Makefile.in
 Makefile
 autom4te.cache

-m4
+m4/*
+!m4/.ignore-this-file

 ltmain.sh
 libtool
 config.*
 ltmain.sh
 libtool
 config.*

diff --git a/m4/.ignore-this-file b/m4/.ignore-this-file
new file mode 100644 (file)
index 0000000..15a8762
--- /dev/null
+++ b/m4/.ignore-this-file
@@ -0,0 +1,2 @@
+This file only exists to ensure the m4 directory exists in the git repository.
+Without it, autoreconf complains when building for the first time.