added missing AC_DEFINE(SVR4) for solaris

diff --git a/configure.in b/configure.in
index 4af052626a0102264550c599e8d123360fdce882..c223599631d9aefdcf18e1097c20bda3ebaef218 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -40,6 +40,7 @@ case `echo $OS | $TRPROG '[A-Z]' '[a-z]'` in
                fi
                ;;
     "solaris") echo "Looks like Solaris"
+               AC_DEFINE(SVR4)
                ;;
     "aix")     echo "Looks like AIX"
                AC_DEFINE(_ALL_SOURCE)