Introduce RANLIBFLAGS to mirror ARFLAGS and add -D to both. This sets

all timestamps in static libraries to 0 so that consecutive builds
from the same source, even on different machines, produce identical
libraries.

MFC after:	3 weeks

gnu/lib/libgcc/Makefile

@@ -352,7 +352,7 @@ libgcc_eh.a:	${EH_OBJS_T}
 	@${ECHO} building static gcc_eh library
 	@rm -f ${.TARGET}
 	@${AR} ${ARFLAGS} ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q`
-	${RANLIB} ${.TARGET}
+	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 
 all:	libgcc_eh.a
 
@@ -361,7 +361,7 @@ libgcc_eh_p.a:	${EH_OBJS_P}
 	@${ECHO} building profiled gcc_eh library
 	@rm -f ${.TARGET}
 	@${AR} ${ARFLAGS} ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q`
-	${RANLIB} ${.TARGET}
+	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 all:	libgcc_eh_p.a
 .endif
 

share/mk/bsd.lib.mk

@@ -172,7 +172,7 @@ lib${LIB}.a: ${OBJS} ${STATICOBJS}
 .else
 	@${AR} ${ARFLAGS} ${.TARGET} `NM='${NM}' lorder ${OBJS} ${STATICOBJS} | tsort -q` ${ARADD}
 .endif
-	${RANLIB} ${.TARGET}
+	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
 .if !defined(INTERNALLIB)
@@ -189,7 +189,7 @@ lib${LIB}_p.a: ${POBJS}
 .else
 	@${AR} ${ARFLAGS} ${.TARGET} `NM='${NM}' lorder ${POBJS} | tsort -q` ${ARADD}
 .endif
-	${RANLIB} ${.TARGET}
+	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
 .if defined(SHLIB_NAME) || \
@@ -246,7 +246,7 @@ lib${LIB}_pic.a: ${SOBJS}
 	@${ECHO} building special pic ${LIB} library
 	@rm -f ${.TARGET}
 	@${AR} ${ARFLAGS} ${.TARGET} ${SOBJS} ${ARADD}
-	${RANLIB} ${.TARGET}
+	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
 .if defined(WANT_LINT) && !defined(NO_LINT) && defined(LIB) && !empty(LIB)

share/mk/sys.mk

@@ -39,9 +39,12 @@ AR		?=	ar
 .if defined(%POSIX)
 ARFLAGS		?=	-rv
 .else
-ARFLAGS		?=	cru
+ARFLAGS		?=	-crD
 .endif
 RANLIB		?=	ranlib
+.if !defined(%POSIX)
+RANLIBFLAGS	?=	-D
+.endif
 
 AS		?=	as
 AFLAGS		?=