[ndebug=false])
AM_CONDITIONAL([NDEBUG], [test x$ndebug = xtrue])])
-dnl Checks for struct rtnl_link_stats64.
-dnl
-dnl (OVS checks for this structure in both kernel and userspace headers. This
-dnl is not redundant, because the kernel and userspace builds have completely
-dnl different include paths. It is possible for the kernel to have this
-dnl structure but not userspace, and vice versa.)
-AC_DEFUN([OVS_CHECK_RTNL_LINK_STATS64],
- [AC_REQUIRE([OVS_CHECK_NETLINK])
- if test $HAVE_NETLINK = yes; then
- AC_CHECK_MEMBER(
- [struct rtnl_link_stats64.tx_packets],
- [AC_DEFINE([HAVE_RTNL_LINK_STATS64], [1],
- [Define to 1 if <linux/if_link.h> defines
- struct rtnl_link_stats64.])],
- [], [#include <sys/socket.h> /* Provides sa_family_t. */
-#include <linux/if_link.h>
-])
- fi])
-
dnl Checks for Netlink support.
AC_DEFUN([OVS_CHECK_NETLINK],
[AC_CHECK_HEADER([linux/netlink.h],
[ssl=check])
if test "$ssl" != false; then
- dnl Make sure that pkg-config is installed.
- m4_pattern_forbid([PKG_CHECK_MODULES])
+ m4_ifndef([PKG_CHECK_MODULES], [m4_fatal([Please install pkg-config.])])
PKG_CHECK_MODULES([SSL], [openssl],
[HAVE_OPENSSL=yes],
[HAVE_OPENSSL=no
fi
AM_CONDITIONAL(
[USE_LINKER_SECTIONS], [test $ovs_cv_use_linker_sections = yes])])
+
+dnl Checks for groff.
+AC_DEFUN([OVS_CHECK_GROFF],
+ [AC_CACHE_CHECK(
+ [for groff],
+ [ovs_cv_groff],
+ [if (groff -v) >/dev/null 2>&1; then
+ ovs_cv_groff=yes
+ else
+ ovs_cv_groff=no
+ fi])
+ AM_CONDITIONAL([HAVE_GROFF], [test "$ovs_cv_groff" = yes])])