Rename configure.in -> configure.ac

INSTALL

@@ -19,8 +19,8 @@ diffs or instructions to the address given in the `README' so they can
 be considered for the next release.  If at some point `config.cache'
 contains results you don't want to keep, you may remove or edit it.
 
-   The file `configure.in' is used to create `configure' by a program
-called `autoconf'.  You only need `configure.in' if you want to change
+   The file `configure.ac' is used to create `configure' by a program
+called `autoconf'.  You only need `configure.ac' if you want to change
 it or regenerate `configure' using a newer version of `autoconf'.
 
 The simplest way to compile this package is:

autogen.sh

@@ -52,7 +52,7 @@ do
 
 	case "$c" in
 	autoconf|autoheader)
-		VERNEEDED=`fgrep AC_PREREQ configure.in | $AC_VERSIONGREP`
+		VERNEEDED=`fgrep AC_PREREQ configure.ac | $AC_VERSIONGREP`
 		VERSIONS="$AC_VERSIONS"
 		pkg=autoconf
 		;;

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT(configure.in)
+AC_INIT(configure.ac)
 
 AC_CONFIG_HEADERS(config.h)
 AM_INIT_AUTOMAKE(ncmpcpp, 0.6_pre)