Index: secure/lib/libcrypto/Makefile.asm
===================================================================
--- secure/lib/libcrypto/Makefile.asm
+++ secure/lib/libcrypto/Makefile.asm
@@ -62,7 +62,7 @@
 	( cd `dirname ${.IMPSRC}`/.. ; perl ${.IMPSRC} ${.OBJDIR}/${.TARGET} )
 
 .cmt.S:
-	( echo '	# $$'FreeBSD'$$'; cat ${.IMPSRC} ) > ${.TARGET}
+	( printf '	# $$'FreeBSD'$$\n	# Generated from ${.IMPSRC:T:R}.pl\n'; cat ${.IMPSRC} ) > ${.TARGET}
 
 sha256-x86_64.cmt: sha512-x86_64.pl
 	( cd `dirname ${.ALLSRC}`/.. ; perl ${.ALLSRC} ${.OBJDIR}/${.TARGET} )
@@ -135,7 +135,7 @@
 .SUFFIXES:	.pl
 
 .pl.s:
-	( echo '	# $$'FreeBSD'$$' ;\
+	( printf '	# $$'FreeBSD'$$\n	# Generated from ${.IMPSRC:T}\n' ;\
 	perl ${PERLPATH} ${.IMPSRC} elf ${CFLAGS} ) > ${.TARGET}
 .endif