- echo $ac_n "checking for png_check_sig in -lpng""... $ac_c" 1>&6
-echo "configure:11764: checking for png_check_sig in -lpng" >&5
+ :
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+
+else
+ cat > conftest.$ac_ext <<EOF
+#line 11775 "configure"
+#include "confdefs.h"
+
+ #include <png.h>
+ #include <stdio.h>
+
+ int main()
+ {
+ FILE *f=fopen("conftestval", "w");
+ if (!f) exit(1);
+ fprintf(f, "%s",
+ PNG_LIBPNG_VER > 90 ? "yes" : "no");
+ exit(0);
+ }
+
+EOF
+if { (eval echo configure:11791: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ ac_cv_header_png_h=`cat conftestval`
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
+ ac_cv_header_png_h=no
+fi
+rm -fr conftest*
+fi
+
+
+fi
+
+echo "$ac_t""$ac_cv_header_png_h" 1>&6
+
+ if test "$ac_cv_header_png_h" = "yes"; then
+ echo $ac_n "checking for png_check_sig in -lpng""... $ac_c" 1>&6
+echo "configure:11810: checking for png_check_sig in -lpng" >&5