diff -uNr configure.ac
--- configure.ac	Wed Dec 19 07:20:00 2001
+++ configure.ac	Thu Jan 17 22:50:57 2002
@@ -72,6 +72,19 @@
 
 AM_CONDITIONAL(BUILD_FTHREADS, [test x$build_fthreads = xtrue])
 
+dnl AC_MSG_NOTICE([Checking to see if -pthread is needed to compile])
+
+AC_MSG_CHECKING([wether ${CC-cc} accepts -pthread])
+
+echo 'void f(){}' >conftest.c
+if test -z "`${CC-cc} -pthread -c conftest.c 2>&1`"; then
+        LIBS="-pthread $LIBS"
+        AC_MSG_RESULT([yes])
+else
+        AC_MSG_RESULT([no])
+fi
+rm -f conftest*
+
 # Headers
 AC_CHECK_HEADERS(byteswap.h)
 AC_CHECK_HEADER(fenv.h,,[AC_DEFINE([NO_IEEE_SUPPORT])])
@@ -105,6 +118,16 @@
                                [AC_DEFINE([HAVE_U_INT])],
                                [AC_MSG_ERROR([Unable to find fixed-size data types])] )] )
 
+dnl AC_MSG_NOTICE([Checking for SCSI tape support and what type])
+AC_CHECK_HEADER(sys/mtio.h,
+                [AC_DEFINE([HAVE_MTIO_H])])
+
+AC_TRY_COMPILE([#include mtio.h],
+               [mtget test;
+                int result;
+                result = test.mt_gstat; ],
+               [AC_DEFINE([GNU_MTIO_SUPPORT])])
+
 # Compiler characteristics
 
 AC_C_BIGENDIAN
@@ -306,5 +329,9 @@
             [Define to provide additional information about this build])
 AH_TEMPLATE([DEBUG],
             [Define to enable extra debugging code])
+AH_TEMPLATE([HAVE_MTIO_H],
+            [Define if your system has sys/mtio.h])
+AH_TEMPLATE([GNU_MTIO_SUPPORT],
+            [Define if you have the GNU version of mtio.h (Linux)])
 
 AC_OUTPUT(Makefile util/Makefile html/Makefile)