diff --git a/gnu/lib/csu/Makefile b/gnu/lib/csu/Makefile
index e181bd5ec557..de78c7ea367c 100644
--- a/gnu/lib/csu/Makefile
+++ b/gnu/lib/csu/Makefile
@@ -44,6 +44,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 ${OBJS} ${SOBJS}: ${SRCS:M*.h}
 
diff --git a/lib/csu/aarch64/Makefile b/lib/csu/aarch64/Makefile
index 65284aea439b..9747619c233a 100644
--- a/lib/csu/aarch64/Makefile
+++ b/lib/csu/aarch64/Makefile
@@ -13,6 +13,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}
 CLEANFILES+=	crt1.s gcrt1.s Scrt1.s
diff --git a/lib/csu/amd64/Makefile b/lib/csu/amd64/Makefile
index d293534821e5..e9ca6b91ad6c 100644
--- a/lib/csu/amd64/Makefile
+++ b/lib/csu/amd64/Makefile
@@ -14,6 +14,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}
 CLEANFILES+=	crt1.s gcrt1.s Scrt1.s
diff --git a/lib/csu/arm/Makefile b/lib/csu/arm/Makefile
index 65284aea439b..9747619c233a 100644
--- a/lib/csu/arm/Makefile
+++ b/lib/csu/arm/Makefile
@@ -13,6 +13,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}
 CLEANFILES+=	crt1.s gcrt1.s Scrt1.s
diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile
index 01fe0d863f52..d64f803e03ef 100644
--- a/lib/csu/i386/Makefile
+++ b/lib/csu/i386/Makefile
@@ -13,6 +13,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS} crt1_c.o crt1_s.o gcrt1_c.o Scrt1_c.o
 CLEANFILES+=	crt1_c.s gcrt1_c.s Scrt1_c.s
diff --git a/lib/csu/mips/Makefile b/lib/csu/mips/Makefile
index 65284aea439b..9747619c233a 100644
--- a/lib/csu/mips/Makefile
+++ b/lib/csu/mips/Makefile
@@ -13,6 +13,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}
 CLEANFILES+=	crt1.s gcrt1.s Scrt1.s
diff --git a/lib/csu/powerpc/Makefile b/lib/csu/powerpc/Makefile
index 65284aea439b..9747619c233a 100644
--- a/lib/csu/powerpc/Makefile
+++ b/lib/csu/powerpc/Makefile
@@ -13,6 +13,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}
 CLEANFILES+=	crt1.s gcrt1.s Scrt1.s
diff --git a/lib/csu/powerpc64/Makefile b/lib/csu/powerpc64/Makefile
index fab7c5dbd5a3..09b643e1b3ad 100644
--- a/lib/csu/powerpc64/Makefile
+++ b/lib/csu/powerpc64/Makefile
@@ -21,6 +21,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}
 CLEANFILES+=	crt1.s gcrt1.s Scrt1.s
diff --git a/lib/csu/sparc64/Makefile b/lib/csu/sparc64/Makefile
index 26807897df56..0074cb998c2e 100644
--- a/lib/csu/sparc64/Makefile
+++ b/lib/csu/sparc64/Makefile
@@ -12,6 +12,8 @@ FILESMODE=	${LIBMODE}
 FILESOWN=	${LIBOWN}
 FILESGRP=	${LIBGRP}
 FILESDIR=	${LIBDIR}
+# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
+.undef LIBRARIES_ONLY
 
 CLEANFILES=	${OBJS}