By default, install without -s.  Let dh_strip, etc handle stripping
(and honor DEB_BUILD_OPTIONS=nostrip, etc).

Index: freebsd-buildutils/src/share/mk/bsd.lib.mk
===================================================================
--- freebsd-buildutils.orig/src/share/mk/bsd.lib.mk
+++ freebsd-buildutils/src/share/mk/bsd.lib.mk
@@ -47,7 +47,7 @@ CFLAGS+= ${DEBUG_FLAGS}
 CTFFLAGS+= -g
 .endif
 .else
-STRIP?=	-s
+#STRIP?=	-s
 .endif
 
 .if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
Index: freebsd-buildutils/src/share/mk/bsd.own.mk
===================================================================
--- freebsd-buildutils.orig/src/share/mk/bsd.own.mk
+++ freebsd-buildutils/src/share/mk/bsd.own.mk
@@ -207,7 +207,7 @@ INSTALL_SYMLINK?=	ln -s
 
 # Common variables
 .if !defined(DEBUG_FLAGS)
-STRIP?=		-s
+#STRIP?=		-s
 .endif
 
 COMPRESS_CMD?=	gzip -cn -9
Index: freebsd-buildutils/src/share/mk/bsd.prog.mk
===================================================================
--- freebsd-buildutils.orig/src/share/mk/bsd.prog.mk
+++ freebsd-buildutils/src/share/mk/bsd.prog.mk
@@ -43,7 +43,7 @@ CTFFLAGS+= -g
 .endif
 
 .if !defined(DEBUG_FLAGS)
-STRIP?=	-s
+#STRIP?=	-s
 .endif
 
 .if defined(NO_SHARED) && (${NO_SHARED} != "no" && ${NO_SHARED} != "NO")