--- HDF4.2r1/configure.ac.orig	2005-07-15 14:52:14.000000000 -0600
+++ HDF4.2r1/configure.ac	2005-07-15 14:53:35.000000000 -0600
@@ -528,7 +528,7 @@
 dnl ======================================================================
 
 AC_MSG_CHECKING([for math library support])
-AC_TRY_LINK([#include <math.h>], [sqrt(37.927)],
+AC_TRY_LINK([#include <math.h>], [sinh(37.927)],
             [AC_MSG_RESULT([yes])],
             [AC_MSG_RESULT([no]); LIBS="$LIBS -lm"])
 
--- HDF4.2r1/mfhdf/fortran/config/ftest-linux.f.orig	2005-02-08 20:04:07.000000000 -0700
+++ HDF4.2r1/mfhdf/fortran/config/ftest-linux.f	2005-07-15 15:37:22.000000000 -0600
@@ -138,13 +138,13 @@
       integer*2 shval(2)
       integer i, j, k
       character*31 varnam, attname(2,7), gattnam(2)
-      byte bytval(2)
+      integer*1 bytval(2)
       common /atts/attname, gattnam
       integer*2 svalidrg(2)
       real rvalidrg(2)
       integer lvalidrg(2)
       double precision dvalidrg(2)
-      byte bvalidrg(2)
+      integer*1 bvalidrg(2)
       character*31 gavalue(2), cavalue(2)
       real epsilon
 
@@ -337,7 +337,7 @@
       real flval(2)
       integer lngval(2)
       integer*2 shval(2)
-      byte bytval(2)
+      integer*1 bytval(2)
       integer vartyp, nvdims, vdims(MAXVDIMS), nvatts
 
       character*31 varnam, attname(2,7), gattnam(2)
@@ -346,7 +346,7 @@
       real rvalidrg(2)
       integer lvalidrg(2)
       double precision dvalidrg(2)
-      byte bvalidrg(2)
+      integer*1 bvalidrg(2)
       character*31 gavalue(2), cavalue(2)
       real epsilon
 
@@ -470,7 +470,7 @@
       real rvalidrg(2)
       integer lvalidrg(2)
       double precision dvalidrg(2)
-      byte bvalidrg(2)
+      integer*1 bvalidrg(2)
 
 c     variable ids
       integer  bid, sid, lid, fid, did, cid, chid
@@ -883,7 +883,7 @@
       integer itime, ilev, ilat, ilon
 
 c     arrays of data values to be read
-      byte barray(times), byval(times)
+      integer*1 barray(times), byval(times)
       integer*2 sarray(times), shval(times)
       integer larray(lats)
       real farray(levels, lats, lons, times)
@@ -1009,7 +1009,7 @@
       integer bid, sid, lid, fid, did, cid, chid
       common /vars/bid, sid, lid, fid, did, cid, chid
 
-      byte bvalue
+      integer*1 bvalue
       integer*2 svalue
       integer lvalue
       real fvalue
@@ -1097,7 +1097,7 @@
       integer count(MAXNCDIM)
 
 c     arrays of data values to be written
-      byte barray(times)
+      integer*1 barray(times)
       integer*2 sarray(times)
       integer larray(lats)
       real farray(levels, lats, lons, times)
@@ -1184,7 +1184,7 @@
 
       integer lvalue
       integer*2 svalue
-      byte bvalue
+      integer*1 bvalue
       double precision onethird
       integer bid, sid, lid, fid, did, cid, chid
       common /vars/bid, sid, lid, fid, did, cid, chid