Add missing AC_CANONICAL_SYSTEM option.

configure.ac

@@ -4,9 +4,9 @@
 
 
 AC_INIT([bcg729],[0.1])
+AC_CANONICAL_SYSTEM
 AC_PREREQ(2.63)
 AC_CONFIG_SRCDIR([src/encoder.c])
-AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([tar-ustar --warnings=no-portability])
 AC_PROG_LIBTOOL
@@ -14,9 +14,9 @@ AC_PROG_CC
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_ARG_ENABLE(strict,
-[  --enable-strict       Enable error on compilation warning [default=yes]],
-[wall_werror=$enableval],
-[wall_werror=yes]
+	[  --enable-strict       Enable error on compilation warning [default=yes]],
+	[wall_werror=$enableval],
+	[wall_werror=yes]
 )
 # configure option to disable the tests
 AC_ARG_ENABLE([tests],
@@ -36,14 +36,14 @@ AM_CONDITIONAL(BUILD_MSBCG729, test x${found_ms2}x${found_ortp} = xtruextrue)
 
 # Create the following files from their .in counterparts
 AC_CONFIG_FILES([
-  Makefile
-  src/Makefile 
-  include/Makefile 
-  include/bcg729/Makefile 
-  msbcg729/Makefile 
-  test/Makefile 
-  test/bin/Makefile 
-  libbcg729.pc
+	Makefile
+	src/Makefile 
+	include/Makefile 
+	include/bcg729/Makefile 
+	msbcg729/Makefile 
+	test/Makefile 
+	test/bin/Makefile 
+	libbcg729.pc
 ])
 
 case "$target_os" in