diff --git a/acinclude.m4 b/acinclude.m4
index 5551bb8d..b149e34e 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -50,8 +50,9 @@ dnl From Bruno Haible.
 dnl
 AC_DEFUN([LIBBURNIA_CHECK_ICONV],
 [
+
   dnl Check whether it is allowed to link with -liconv
-  AC_MSG_CHECKING([for separate -liconv ])
+  AC_MSG_CHECKING([for iconv() in separate -liconv ])
   libburnia_liconv="no"
   libburnia_save_LIBS="$LIBS"
   LIBS="$LIBS -liconv"
@@ -65,6 +66,13 @@ AC_DEFUN([LIBBURNIA_CHECK_ICONV],
   )
   AC_MSG_RESULT([$libburnia_liconv])
 
+  if test x"$libburnia_save_LIBS" = x"$LIBS"
+  then
+    dnl GNU iconv has no function iconv() but libiconv() and a macro iconv()
+    dnl It is not tested whether this is detected by above macro.
+    AC_CHECK_LIB(iconv, libiconv, , )
+  fi
+
   dnl Check for iconv(..., const char **inbuf, ...)
   AC_MSG_CHECKING([for const qualifier with iconv() ])
   AC_TRY_COMPILE([
@@ -79,6 +87,50 @@ size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, si
 ])
 
 
+dnl LIBBURNIA_ASSERT_ICONV is by Thomas Schmitt, libburnia project
+dnl 
+AC_DEFUN([LIBBURNIA_ASSERT_ICONV],
+[
+  if test x$XORRISO_ASSUME_ICONV = x
+  then
+    dnl Check for the essential gestures of libisofs/util.c
+    AC_MSG_CHECKING([for iconv() to be accessible now ])
+    AC_TRY_LINK([
+#include <stdlib.h>
+#include <wchar.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <limits.h>
+#include <iconv.h>
+#include <locale.h>
+#include <langinfo.h>
+#include <unistd.h>],
+[iconv_t cd = iconv_open("","");
+iconv(cd,NULL,NULL,NULL,NULL);
+iconv_close(cd);
+], [iconv_test="yes"], [iconv_test="no"]
+    )
+    AC_MSG_RESULT([$iconv_test])
+    if test x$iconv_test = xno
+    then
+      echo >&2
+      echo "Cannot get function iconv() to work. Configuration aborted." >&2
+      echo "Check whether your system needs a separate libiconv installed." >&2
+      echo "If it is installed but not found, try something like" >&2
+      echo '  export LDFLAGS="$LDFLAGS -L/usr/local/lib"' >&2 
+      echo '  export CPPFLAGS="$CPPFLAGS -I/usr/local/include"' >&2
+      echo '  export LIBS="$LIBS -liconv"' >&2
+      echo "You may override this test by exporting variable" >&2
+      echo "  XORRISO_ASSUME_ICONV=yes" >&2
+      echo >&2
+      (exit 1); exit 1;
+    fi
+  fi
+])
+
+
 dnl LIBBURNIA_SET_PKGCONFIG determines the install directory for the *.pc file.
 dnl Important: Must be performed _after_ TARGET_SHIZZLE
 dnl
diff --git a/test/compare_file.c b/test/compare_file.c
index 0e8ebf67..366f8609 100644
--- a/test/compare_file.c
+++ b/test/compare_file.c
@@ -126,11 +126,13 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
    differs= 1;
  }
  if(s1.st_uid != s2.st_uid) {
-   printf("%s : st_uid   :  %d  <>  %d\n", a, s1.st_uid, s2.st_uid);
+   printf("%s : st_uid   :  %d  <>  %d\n",
+          a, (int) s1.st_uid, (int) s2.st_uid);
    differs= 1;
  }
  if(s1.st_gid != s2.st_gid) {
-   printf("%s : st_gid   :  %d  <>  %d\n", a, s1.st_gid, s2.st_gid);
+   printf("%s : st_gid   :  %d  <>  %d\n",
+          a, (int) s1.st_gid, (int) s2.st_gid);
    differs= 1;
  }
  if((S_ISCHR(s1.st_mode) && S_ISCHR(s2.st_mode)) ||
diff --git a/xorriso/configure_ac.txt b/xorriso/configure_ac.txt
index cf762269..34a2041a 100644
--- a/xorriso/configure_ac.txt
+++ b/xorriso/configure_ac.txt
@@ -55,6 +55,8 @@ then
 
 dnl ts B00410 : To detect the need for -liconv and const argument of iconv()
 LIBBURNIA_CHECK_ICONV
+dnl ts B00411 : To abort configuration if iconv() still cannot be compiled
+LIBBURNIA_ASSERT_ICONV
 
 else
 
diff --git a/xorriso/xorriso.c b/xorriso/xorriso.c
index 0a932ad7..9ff53012 100644
--- a/xorriso/xorriso.c
+++ b/xorriso/xorriso.c
@@ -8093,13 +8093,15 @@ int Xorriso_compare_2_files(struct XorrisO *xorriso, char *disk_adr,
  }
 
  if(s1.st_uid != s2.st_uid) {
-   sprintf(respt, "%s st_uid   :   %d  <>  %d\n", a, s1.st_uid, s2.st_uid);
+   sprintf(respt, "%s st_uid   :   %d  <>  %d\n", a,
+           (int) s1.st_uid, (int) s2.st_uid);
    if(!(flag&(1<<31)))
      Xorriso_result(xorriso,0);
    (*result)|= 16;
  }
  if(s1.st_gid != s2.st_gid) {
-   sprintf(respt, "%s st_gid   :   %d  <>  %d\n", a, s1.st_gid, s2.st_gid);
+   sprintf(respt, "%s st_gid   :   %d  <>  %d\n", a,
+           (int) s1.st_gid, (int) s2.st_gid);
    if(!(flag&(1<<31)))
      Xorriso_result(xorriso,0);
    (*result)|= 32;
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index fdd59332..ba3d4a5d 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.04.11.121418"
+#define Xorriso_timestamP "2010.04.11.122253"
diff --git a/xorriso/xorrisoburn.c b/xorriso/xorrisoburn.c
index 28e801ad..7c79d0dd 100644
--- a/xorriso/xorrisoburn.c
+++ b/xorriso/xorrisoburn.c
@@ -1698,7 +1698,7 @@ int Xorriso_set_system_area(struct XorrisO *xorriso,
  char buf[32768], *bufpt= NULL;
 
  if(xorriso->system_area_disk_path[0] == 0)
-   goto do_set;
+   {ret= 0; goto do_set;}
 
  ret= Xorriso_afile_fopen(xorriso, xorriso->system_area_disk_path,
                           "rb", &fp, 0);
@@ -1718,10 +1718,12 @@ int Xorriso_set_system_area(struct XorrisO *xorriso,
  bufpt= buf;
 
 do_set:;
- sprintf(xorriso->info_text, "Copying to System Area: %d bytes from file ",
-         ret);
- Text_shellsafe(xorriso->system_area_disk_path, xorriso->info_text, 1);
- Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
+ if(ret > 0) {
+   sprintf(xorriso->info_text, "Copying to System Area: %d bytes from file ",
+           ret);
+   Text_shellsafe(xorriso->system_area_disk_path, xorriso->info_text, 1);
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
+ }
  ret= isoburn_igopt_set_system_area(sopts, bufpt,
                                     xorriso->system_area_options);
  if(ret != ISO_SUCCESS) {