add check for tgmath.h

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2931 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/codec/g7xx/Makefile.in

-# Makefile.in generated by automake 1.9.3 from Makefile.am.
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004  Free Software Foundation, Inc.
+# 2003, 2004, 2005  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -15,8 +15,6 @@
 @SET_MAKE@
 
 
-SOURCES = $(libg7xx_la_SOURCES)
-
 srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 VPATH = @srcdir@

libs/codec/g7xx/configure.in

@@ -13,7 +13,7 @@ AC_PROG_LIBTOOL
 
 # Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS([inttypes.h memory.h stdlib.h string.h])
+AC_CHECK_HEADERS([inttypes.h memory.h stdlib.h string.h tgmath.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST

libs/codec/g7xx/src/g711.c

@@ -27,8 +27,10 @@
 #include <assert.h>
 #ifndef _MSC_VER
 #include <inttypes.h>
+#ifdef HAVE_TGMATH_H
 #include <tgmath.h>
 #endif
+#endif
 
 #include "g7xx/g711.h"