--- a/configure	Mon Aug 13 09:10:01 2007 +0200
+++ b/configure	Mon Aug 13 09:10:46 2007 +0200
@@ -1139,6 +1139,11 @@
       ;;
     esac
 
+    if [ $opsys = hpux10 ]; then
+      NON_GNU_CC="cc -Ae"
+      NON_GNU_CPP="cc -Ae -E"
+    fi
+
     case "${canonical}" in *-hp-hpux*shr* ) opsys="${opsys}-shr" ;; esac
   ;;
 
@@ -1596,7 +1601,7 @@
 fi
 
 #### Choose a compiler.
-if test "x$CC" = x  ; then
+if test "x$CC" != x  ; then
   cc_specified=1
 fi
 
@@ -3683,6 +3688,24 @@
       test -n "${ac_have_lib}" && with_xmu="yes"
       # end expansion of ac_have_library
     fi
+    # Sparc/Linux test - fp
+    if test "${with_xmu}" != "yes" -a  ${machine} = sparc -a ${opsys} = linux; then
+      # begin expansion of ac_have_library
+      ac_save_LIBS="${LIBS}"
+      LIBS="${LIBS} -lXmu -lXt -lXext -lX11 -lm -lICE -lSM"
+      ac_have_lib=""
+      cat > conftest.${ac_ext} <<EOF
+int main() { return 0; }
+EOF
+      if eval $ac_compile; then
+        rm -rf conftest*
+        ac_have_lib="1"
+      fi
+      rm -f conftest*
+      LIBS="${ac_save_LIBS}"
+      test -n "${ac_have_lib}" && with_xmu="yes"
+      # end expansion of ac_have_library
+    fi
     # On UnixWare 2.1 we must kludge harder to try to detect Xmu
     # Upgrade to autoconf 2 and use ac_check_lib - mrb
     if test "${with_xmu}" != "yes" && test -f "/.UpgradeVer2.1" ; then