diff --git a/print/lyx-devel/Makefile b/print/lyx-devel/Makefile
index 3b7172d59c5f..523b8c6f8c9c 100644
--- a/print/lyx-devel/Makefile
+++ b/print/lyx-devel/Makefile
@@ -28,6 +28,7 @@ LIB_DEPENDS=	xforms.0:${PORTSDIR}/x11-toolkits/xforms \
 		intl.1:${PORTSDIR}/devel/gettext
 
 USE_GMAKE=	yes
+USE_AUTOCONF=	yes
 USE_XPM=	yes
 USE_NEWGCC=	yes
 USE_PERL5=	yes
diff --git a/print/lyx/Makefile b/print/lyx/Makefile
index 3b7172d59c5f..523b8c6f8c9c 100644
--- a/print/lyx/Makefile
+++ b/print/lyx/Makefile
@@ -28,6 +28,7 @@ LIB_DEPENDS=	xforms.0:${PORTSDIR}/x11-toolkits/xforms \
 		intl.1:${PORTSDIR}/devel/gettext
 
 USE_GMAKE=	yes
+USE_AUTOCONF=	yes
 USE_XPM=	yes
 USE_NEWGCC=	yes
 USE_PERL5=	yes
diff --git a/print/lyx14/Makefile b/print/lyx14/Makefile
index 3b7172d59c5f..523b8c6f8c9c 100644
--- a/print/lyx14/Makefile
+++ b/print/lyx14/Makefile
@@ -28,6 +28,7 @@ LIB_DEPENDS=	xforms.0:${PORTSDIR}/x11-toolkits/xforms \
 		intl.1:${PORTSDIR}/devel/gettext
 
 USE_GMAKE=	yes
+USE_AUTOCONF=	yes
 USE_XPM=	yes
 USE_NEWGCC=	yes
 USE_PERL5=	yes
diff --git a/print/lyx15/Makefile b/print/lyx15/Makefile
index 3b7172d59c5f..523b8c6f8c9c 100644
--- a/print/lyx15/Makefile
+++ b/print/lyx15/Makefile
@@ -28,6 +28,7 @@ LIB_DEPENDS=	xforms.0:${PORTSDIR}/x11-toolkits/xforms \
 		intl.1:${PORTSDIR}/devel/gettext
 
 USE_GMAKE=	yes
+USE_AUTOCONF=	yes
 USE_XPM=	yes
 USE_NEWGCC=	yes
 USE_PERL5=	yes
diff --git a/print/lyx16/Makefile b/print/lyx16/Makefile
index 3b7172d59c5f..523b8c6f8c9c 100644
--- a/print/lyx16/Makefile
+++ b/print/lyx16/Makefile
@@ -28,6 +28,7 @@ LIB_DEPENDS=	xforms.0:${PORTSDIR}/x11-toolkits/xforms \
 		intl.1:${PORTSDIR}/devel/gettext
 
 USE_GMAKE=	yes
+USE_AUTOCONF=	yes
 USE_XPM=	yes
 USE_NEWGCC=	yes
 USE_PERL5=	yes