diff --git a/share/mk/bsd.prog.mk b/share/mk/bsd.prog.mk
index 10e1c177e2b..5697845079e 100644
--- a/share/mk/bsd.prog.mk
+++ b/share/mk/bsd.prog.mk
@@ -49,9 +49,11 @@ CXXFLAGS+= -mretpoline
 LDFLAGS+= -Wl,-zretpolineplt
 .endif
 .else
+.if !defined(_NO_INCLUDE_COMPILERMK)
 .warning Retpoline requested but not supported by compiler or linker
 .endif
 .endif
+.endif
 # LLD sensibly defaults to -znoexecstack, so do the same for BFD
 LDFLAGS.bfd+= -Wl,-znoexecstack
 .if ${MK_BRANCH_PROTECTION} != "no"
@@ -71,9 +73,11 @@ CFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clan
 CXXFLAGS+= -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
 .endif
 .else
+.if !defined(_NO_INCLUDE_COMPILERMK)
 .warning INIT_ALL (${OPT_INIT_ALL}) requested but not supported by compiler
 .endif
 .endif
+.endif
 
 # Zero used registers on return (mitigate some ROP)
 .if ${MK_ZEROREGS} != "no"