Talk about the common USE_LIBTOOL vs BUILD_DEPENDS case (ports that only

need libtool.m4 from devel/libtool just need BUILD_DEPENDS, USE_LIBTOOL is
a special case for things that don't work with base libtool). ok aja espie

1 files changed, 10 insertions, 2 deletions

diff --git a/share/man/man5/bsd.port.mk.5 b/share/man/man5/bsd.port.mk.5
index dd421997504..d7f43251ebe 100644
--- a/share/man/man5/bsd.port.mk.5
+++ b/share/man/man5/bsd.port.mk.5
@@ -1,4 +1,4 @@
-.\" $OpenBSD: bsd.port.mk.5,v 1.481 2018/05/29 11:45:25 kn Exp $
+.\" $OpenBSD: bsd.port.mk.5,v 1.482 2018/06/18 09:06:11 sthen Exp $
 .\"
 .\" Copyright (c) 2000-2008 Marc Espie
 .\"
@@ -24,7 +24,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: May 29 2018 $
+.Dd $Mdocdate: June 18 2018 $
 .Dt BSD.PORT.MK 5
 .Os
 .Sh NAME
@@ -3040,6 +3040,14 @@ to disable the use of
 entirely; this should not be set under normal circumstances.
 Adds dependencies if necessary, and passes LIBTOOL environment variable to
 scripts invocations.
+.Pp
+Many ports using GNU autoconf need an m4 file from the GNU libtool package
+but otherwise work with base
+.Xr libtool 1 .
+In those cases do not set
+.Ev USE_LIBTOOL ,
+instead just set
+.Li BUILD_DEPENDS = devel/libtool.
 .It Ev USE_MFS
 Set to
 .Sq Yes