diff -Nurd -x'*~' podofo-0.9.2.orig/test/unit/FilterTest.cpp podofo-0.9.2/test/unit/FilterTest.cpp
--- podofo-0.9.2.orig/test/unit/FilterTest.cpp	2009-04-27 15:34:00.000000000 -0400
+++ podofo-0.9.2/test/unit/FilterTest.cpp	2021-01-08 13:25:35.000000000 -0500
@@ -34,11 +34,11 @@
 static const long s_lTestLength1 = strlen(s_pTestBuffer1);
 
 const char s_pTestBuffer2[]  = { 
-    0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x01,
-    0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x03,
-    0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x02,
-    0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x00,
-    0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x00,
+    0x01, 0x64, 0x65, static_cast<char>(0xFE), 0x6B, static_cast<char>(0x80), 0x45, 0x32, static_cast<char>(0x88), 0x12, static_cast<char>(0x71), static_cast<char>(0xEA), 0x01,
+    0x01, 0x64, 0x65, static_cast<char>(0xFE), 0x6B, static_cast<char>(0x80), 0x45, 0x32, static_cast<char>(0x88), 0x12, static_cast<char>(0x71), static_cast<char>(0xEA), 0x03,
+    0x01, 0x64, 0x65, static_cast<char>(0xFE), 0x6B, static_cast<char>(0x80), 0x45, 0x32, static_cast<char>(0x88), 0x12, static_cast<char>(0x71), static_cast<char>(0xEA), 0x02,
+    0x01, 0x64, 0x65, static_cast<char>(0xFE), 0x6B, static_cast<char>(0x80), 0x45, 0x32, static_cast<char>(0x88), 0x12, static_cast<char>(0x71), static_cast<char>(0xEA), 0x00,
+    0x01, 0x64, 0x65, static_cast<char>(0xFE), 0x6B, static_cast<char>(0x80), 0x45, 0x32, static_cast<char>(0x88), 0x12, static_cast<char>(0x71), static_cast<char>(0xEA), 0x00,
     0x00, 0x00, 0x00, 0x00, 0x6B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 };
 
diff -Nurd -x'*~' podofo-0.9.2.orig/test/unit/PagesTreeTest.cpp podofo-0.9.2/test/unit/PagesTreeTest.cpp
--- podofo-0.9.2.orig/test/unit/PagesTreeTest.cpp	2009-07-25 11:59:26.000000000 -0400
+++ podofo-0.9.2/test/unit/PagesTreeTest.cpp	2021-01-08 13:25:48.000000000 -0500
@@ -361,7 +361,7 @@
 
     if( lPageNumber != static_cast<long long>(nNumber) )
     {
-        printf("PagesTreeTest: Expected page number %i but got %"PDF_FORMAT_INT64".\n", nNumber, lPageNumber);
+        printf("PagesTreeTest: Expected page number %i but got %" PDF_FORMAT_INT64 ".\n", nNumber, lPageNumber);
         return false;
     }
     else