Corrected the configure.ac so it actually works. Updated some c files so that they build on Solaris. This mostly in...

Original commit message from CVS:
Corrected the configure.ac so it actually works.  Updated some c files
so that they build on Solaris.  This mostly involved supporting ISO
style variable-argument macros.

configure.ac

@@ -41,12 +41,16 @@ AM_PROG_AS
 AS="${CC}"
 
 dnl decide on error flags
-AS_COMPILER_FLAG(-Wall,GST_ERROR="$GST_ERROR -Wall",GST_ERROR="$GST_ERROR")
+AS_COMPILER_FLAG(-Wall, GST_WALL="yes", GST_WALL="no")
+
+if test "x$GST_WALL" = "xyes"; then
+   GST_ERROR="$GST_ERROR -Wall"
+
    if test "x$GST_CVS" = "xyes"; then
      AS_COMPILER_FLAG(-Werror,GST_ERROR="$GST_ERROR -Werror",GST_ERROR="$GST_ERROR")
+   fi
 
-  # Only set these optimization flags if gcc is being used.
-  #
+   dnl set gcc-style optimization flags if using the gnu compiler.
    GST_FUNROLL_CFLAGS="$GST_FUNROLL_CFLAGS -funroll-all-loops"
    GST_FINLINE_CFLAGS="$GST_FINLINE_CFLAGS -finline-functions"
    GST_FFASTMATH_CFLAGS="$GST_FFASTMATH_CFLAGS -ffast-math"

gst-libs/gst/media-info/media-info.c

@@ -22,9 +22,20 @@
 #include "media-info.h"
 
 static gboolean _gst_media_info_debug = TRUE;
+
+#ifdef G_HAVE_ISO_VARARGS
+
+#define GMI_DEBUG(...) \
+  { if (_gst_media_info_debug) { g_print ( __VA_ARGS__ ); }}
+
+#elif defined(G_HAVE_GNUC_VARARGS)
+
 #define GMI_DEBUG(format, args...) \
   { if (_gst_media_info_debug) { g_print ( format , ## args ); }}
 
+#endif
+
+
 struct GstMediaInfoPriv
 {
   GstElement *pipeline;

gst-libs/gst/riff/riffutil.c

@@ -21,8 +21,16 @@
 #include <riff.h>
 
 /*#define debug(format,args...) g_print(format,##args) */
+
+#ifdef G_HAVE_ISO_VARARGS
+
+#define debug(format,...)
+
+#elif defined(G_HAVE_GNUC_VARARGS)
+
 #define debug(format,args...)
 
+#endif
 
 gulong gst_riff_fourcc_to_id(gchar *fourcc) {
   g_return_val_if_fail(fourcc != NULL, 0);