1 files changed, 15 insertions, 0 deletions

diff --git a/configure.in b/configure.in
index d6ea4d3b..0002d61b 100644
--- a/configure.in
+++ b/configure.in
@@ -1465,6 +1465,21 @@ AC_TRY_COMPILE([#ifdef __STDC__
                 [AC_MSG_RESULT(yes)],
                 [NEED_VA_LIST=-DNEED_VA_LIST AC_SUBST(NEED_VA_LIST) AC_MSG_RESULT(no)])
 
+case $host in
+        *bsd*)
+                AC_DEFINE(__bsd__,1,[bsd specific code in check_dhcp.c])
+        ;;
+        *linux*)
+                AC_DEFINE(__linux__,1,[sun specific code in check_dhcp.c])
+        ;;
+        *sun* | solaris*)
+                AC_DEFINE(__sun__,1,[sun specific code in check_dhcp.c])
+        ;;
+        *hpux*)  
+                AC_DEFINE(__hpux__,1,[hpux specific code in check_dhcp.c])
+        ;;
+esac
+
 AC_SUBST(EXTRAS)
 AC_SUBST(EXTRA_NETOBJS)
 AC_SUBST(DEPLIBS)