Add newlog.sh and setops.sh to share/mk

jobs.mk makes use of newlog.sh if found.

Set NEWLOG_SH in local.sys.env.mk to save jobs.mk searching for it.

PR:	284390
Reviewed by:	stevek
Differential Revision:	https://reviews.freebsd.org/D48737

share/mk/Makefile

@@ -69,8 +69,10 @@ FILES=	\
 	meta.sys.mk \
 	meta2deps.py \
 	meta2deps.sh \
+	${SRCTOP}/contrib/bmake/mk/newlog.sh \
 	${SRCTOP}/contrib/bmake/mk/posix.mk \
 	stage-install.sh \
+	${SRCTOP}/contrib/bmake/mk/setopts.sh \
 	sys.mk \
 	sys.dependfile.mk \
 	sys.dirdeps.mk \
@@ -78,6 +80,11 @@ FILES=	\
 
 FILESDIR=	${BINDIR}/mk
 
+# make sure scripts are executable
+.for file in ${FILES:M*.sh} ${FILES:M*.py}
+FILESMODE_${file} = 555
+.endfor
+
 .if ${MK_TESTS} != "no"
 FILES+=	atf.test.mk
 FILES+=	googletest.test.inc.mk

share/mk/local.sys.env.mk

@@ -43,6 +43,12 @@ TIME_STAMP_END?= ${TIME_STAMP_DATE}
 # error spam and show a proper error.
 Mkdirs= Mkdirs() { mkdir -p $$* || :; }
 
+# jobs.mk wants this
+.if empty(NEWLOG_SH)
+NEWLOG_SH:= ${SRCTOP}/contrib/bmake/mk/newlog.sh
+.export NEWLOG_SH
+.endif
+
 .if !empty(.MAKEFLAGS:M-s)
 ECHO_TRACE?=	true
 .endif