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diff --git a/lib/libc/Makefile b/lib/libc/Makefile
--- a/lib/libc/Makefile
+++ b/lib/libc/Makefile
@@ -62,6 +62,7 @@
#
LDFLAGS+= -nodefaultlibs
LIBADD+= compiler_rt
+LIBADD+= sys
LDFLAGS+=-Wl,--auxiliary,libsys.so.7
diff --git a/lib/libc/tests/ssp/Makefile b/lib/libc/tests/ssp/Makefile
--- a/lib/libc/tests/ssp/Makefile
+++ b/lib/libc/tests/ssp/Makefile
@@ -10,6 +10,7 @@
# override the sanitizer runtime libraries to be the ones installed on the
# target system.
CFLAGS.h_raw+= -fsanitize=bounds
+LIBADD+=sys
.elif ${COMPILER_TYPE} == "gcc"
CFLAGS.h_raw+= --param ssp-buffer-size=1
LDADD+= -lssp
diff --git a/lib/libsys/Makefile b/lib/libsys/Makefile
--- a/lib/libsys/Makefile
+++ b/lib/libsys/Makefile
@@ -57,6 +57,9 @@
MIASM=
NOASM=
+SYM_MAPS+= ${LIBSYS_SRCTOP}/Symbol.map
+SRCS+= auxv.c
+
.include "${LIBSYS_SRCTOP}/Makefile.sys"
SYM_MAPS+= ${LIBSYS_SRCTOP}/Symbol.thr.map
diff --git a/lib/libsys/Makefile.sys b/lib/libsys/Makefile.sys
--- a/lib/libsys/Makefile.sys
+++ b/lib/libsys/Makefile.sys
@@ -47,8 +47,6 @@
NOASM+= sched_getcpu.o
PSEUDO+= _sched_getcpu.o
-SRCS+= auxv.c
-
SRCS+= brk.c
SRCS+= closefrom.c
SRCS+= pipe.c
@@ -58,6 +56,12 @@
SRCS+= compat-stub.c
+.if ${LIB} == "c"
+SOBJS+= libc_stubs.pico
+
+STATICOBJS+= auxv.o
+.endif
+
INTERPOSED = \
accept \
accept4 \
diff --git a/lib/libsys/Symbol.map b/lib/libsys/Symbol.map
new file mode 100644
--- /dev/null
+++ b/lib/libsys/Symbol.map
@@ -0,0 +1,5 @@
+FBSDprivate_1.0 {
+ __elf_aux_vector;
+ __init_elf_aux_vector;
+ _elf_aux_info;
+};
diff --git a/lib/libsys/Symbol.sys.map b/lib/libsys/Symbol.sys.map
--- a/lib/libsys/Symbol.sys.map
+++ b/lib/libsys/Symbol.sys.map
@@ -433,12 +433,10 @@
FBSDprivate_1.0 {
/* Add entries in sort(1) order */
- __elf_aux_vector;
__libc_sigwait;
__libsys_interposing_slot;
__set_error_selector;
__sigwait;
- _elf_aux_info;
gssd_syscall;
nlm_syscall;
rpctls_syscall;
diff --git a/lib/libsys/libc_stubs.c b/lib/libsys/libc_stubs.c
new file mode 100644
--- /dev/null
+++ b/lib/libsys/libc_stubs.c
@@ -0,0 +1,11 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 SRI International
+ */
+
+#define STUB_FUNC(f) \
+ void (f)(void); \
+ void (f)(void) { __builtin_trap(); }
+
+STUB_FUNC(elf_aux_info);
diff --git a/share/mk/src.libnames.mk b/share/mk/src.libnames.mk
--- a/share/mk/src.libnames.mk
+++ b/share/mk/src.libnames.mk
@@ -394,7 +394,7 @@
_DP_ztest= geom m nvpair umem zpool pthread avl zfs_core spl zutil zfs uutil icp
# The libc dependencies are not strictly needed but are defined to make the
# assert happy.
-_DP_c= compiler_rt
+_DP_c= compiler_rt sys
# Use libssp_nonshared only on i386 and power*. Other archs emit direct calls
# to __stack_chk_fail, not __stack_chk_fail_local provided by libssp_nonshared.
.if ${MK_SSP} != "no" && \

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