Portability fixes.

[userv.git] / configure.in

diff --git a/configure.in b/configure.in
index 86ce18feb3e64dc1d3865ed24cfc0e74357e4c34..7b842ce1a93b1e9400f557e9a35c8f2b11709dad 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -39,8 +39,22 @@ AC_ARG_ENABLE(debug,
 ])
 
 AC_PROG_CC
+AC_PROG_CPP
 AC_PROG_INSTALL
 
+AC_CACHE_CHECK(for EPROTO,userv_cv_hdr_eproto,
+ AC_EGREP_CPP(yes,
+[
+#include <errno.h>
+#ifdef EPROTO
+ yes
+#endif
+],userv_cv_hdr_eproto=yes,userv_cv_hdr_eproto=no))
+if test $userv_cv_hdr_eproto = yes
+then
+       AC_DEFINE(HAVE_EPROTO)
+fi
+
 AC_SUBST(OPTIMISE)
 if test "${GCC-no}" = yes; then
  OPTIMISE=-O2