X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=userv.git;a=blobdiff_plain;f=configure.in;h=4eb36c08855ec9ded3ae6b8f6c5d6f13c58a9189;hp=fb5a128a2b7f052aaa11907b453c0e2343df551d;hb=a36c2e0235323aacb9c4ea55ae0201e656362059;hpb=db59ee1476515a65cfcca10a3059d8ccb2d24d32

diff --git a/configure.in b/configure.in
index fb5a128..4eb36c0 100644
--- a/configure.in
+++ b/configure.in
@@ -39,8 +39,24 @@ AC_ARG_ENABLE(debug,
 ])
 
 AC_PROG_CC
+AC_PROG_CPP
 AC_PROG_INSTALL
 
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+
+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
@@ -130,4 +146,8 @@ if test "${GCC-no}" = yes; then
 fi
 [CFLAGS="`echo $CFLAGS $CWARNS | sed -e 's/-O[0-9]*/$(OPTIMISE)/'`"]
 
+AC_SUBST(VERSION)
+VERSION="`sed -n '/^userv (.*)/!d; s/^userv (//; s/).*//; p; q' Changelog`"
+echo will build version $VERSION
+
 AC_OUTPUT(Makefile)