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-rw-r--r--math/proofgeneral/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/math/proofgeneral/Makefile b/math/proofgeneral/Makefile
index 16ba4b39cd66..c053883a05b6 100644
--- a/math/proofgeneral/Makefile
+++ b/math/proofgeneral/Makefile
@@ -48,6 +48,7 @@ EMACS_PORT_NAME=emacs21
.include "${PORTSDIR}/Mk/bsd.emacs.mk"
MAKE_ARGS+= EMACS_NAME=${EMACS_NAME} EMACS_SITE_LISPDIR=${EMACS_SITE_LISPDIR}
+USE_EMACS= yes
USE_GMAKE= yes
USE_PERL5= yes
USE_REINPLACE= yes