X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=m4%2Fopenvswitch.m4;h=7aaf67a209402b38aecc65c90a747dbd433399a0;hb=a193dde952a9ec7bb388e08b86bd2929edd3a353;hp=e9edc4902311f69b2dbee048339622d38deae78c;hpb=2bc458b3afa21a8fab448ff65ab454a0827f458f;p=openvswitch

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index e9edc490..7aaf67a2 100644
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -361,3 +361,15 @@ AC_DEFUN([OVS_CHECK_LINKER_SECTIONS],
    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])])