diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..d18ff00
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,21 @@
+AC_INIT([libtz], [0.1], [ilya.novoselov@gmail.com],
+	[libtz], [https://github.com/nullie/libtz])
+AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+
+AC_PROG_CC
+AC_LANG_C
+
+AC_PROG_INSTALL
+AC_PROG_MAKE_SET
+
+AM_PROG_LIBTOOL
+
+AC_HEADER_STDC
+
+AM_PROG_CC_C_O
+
+gl_VISIBILITY
+
+PKG_CHECK_MODULES([CHECK], [check >= 0.9.4])
+
+AC_OUTPUT(Makefile src/Makefile tests/Makefile)
diff --git a/configure.in b/configure.in
deleted file mode 100644
index 9338007..0000000
--- a/configure.in
+++ /dev/null
@@ -1,20 +0,0 @@
-AC_INIT(src/libtz.c)
-AM_INIT_AUTOMAKE(libtz,0.1)
-
-AC_PROG_CC
-AC_LANG_C
-
-AC_PROG_INSTALL
-AC_PROG_MAKE_SET
-
-AM_PROG_LIBTOOL
-
-AC_HEADER_STDC
-
-AM_PROG_CC_C_O
-
-gl_VISIBILITY
-
-PKG_CHECK_MODULES([CHECK], [check >= 0.9.4])
-
-AC_OUTPUT(Makefile src/Makefile tests/Makefile)
\ No newline at end of file