casa-mp-base

--- configure.orig  2008-05-13 03:22:43.000000000 +1000

+++ configure   2013-12-31 21:36:49.000000000 +1100

@@ -5818,9 +5818,9 @@

 if test "x$support_png" = "xyes"; then

-{ echo "$as_me:$LINENO: checking for png_check_sig in -lpng" >&5

-echo $ECHO_N "checking for png_check_sig in -lpng... $ECHO_C" >&6; }

-if test "${ac_cv_lib_png_png_check_sig+set}" = set; then

+{ echo "$as_me:$LINENO: checking for png_sig_cmp in -lpng" >&5

+echo $ECHO_N "checking for png_sig_cmp in -lpng... $ECHO_C" >&6; }

+if test "${ac_cv_lib_png_png_sig_cmp+set}" = set; then

   echo $ECHO_N "(cached) $ECHO_C" >&6

 else

   ac_check_lib_save_LIBS=$LIBS

@@ -5839,11 +5839,11 @@

 #ifdef __cplusplus

 extern "C"

 #endif

-char png_check_sig ();

+char png_sig_cmp ();

 int

 main ()

 {

-return png_check_sig ();

+return png_sig_cmp ();

   ;

   return 0;

 }

@@ -5866,21 +5866,21 @@

     test ! -s conftest.err

        } && test -s conftest$ac_exeext &&

        $as_test_x conftest$ac_exeext; then

-  ac_cv_lib_png_png_check_sig=yes

+  ac_cv_lib_png_png_sig_cmp=yes

 else

   echo "$as_me: failed program was:" >&5

 sed 's/^/| /' conftest.$ac_ext >&5

-   ac_cv_lib_png_png_check_sig=no

+   ac_cv_lib_png_png_sig_cmp=no

 fi

 rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \

       conftest$ac_exeext conftest.$ac_ext

 LIBS=$ac_check_lib_save_LIBS

 fi

-{ echo "$as_me:$LINENO: result: $ac_cv_lib_png_png_check_sig" >&5

-echo "${ECHO_T}$ac_cv_lib_png_png_check_sig" >&6; }

-if test $ac_cv_lib_png_png_check_sig = yes; then

+{ echo "$as_me:$LINENO: result: $ac_cv_lib_png_png_sig_cmp" >&5

+echo "${ECHO_T}$ac_cv_lib_png_png_sig_cmp" >&6; }

+if test $ac_cv_lib_png_png_sig_cmp = yes; then

   cat >>confdefs.h <<_ACEOF

 #define HAVE_LIBPNG 1

 _ACEOF

--- src/mpng.c.orig 2008-02-18 09:04:50.000000000 +1100

+++ src/mpng.c  2013-12-31 21:47:40.000000000 +1100

@@ -83,7 +83,7 @@ png_uint_32 png_row_bytes;

     display_depth = XDefaultDepth(display,XDefaultScreen(display));

     fread(sig, 1, 8, ifile);

-    if (!png_check_sig(sig, 8)){