Split XARGS into XARGS and XARGS_OPTS

mk/config.mk.in

@@ -618,10 +618,9 @@ LdIsGNULd		= @LdIsGNULd@
 #   ar: Bad file number
 # see #3201.  We need to specify a smaller max command-line size
 # to work around it.  32767 doesn't work; 30000 does.
-ifeq "$(Windows)" "YES"
-XARGS = xargs -s 30000
-else
 XARGS = xargs
+ifeq "$(Windows)" "YES"
+XARGS_OPTS = -s 30000
 endif
 
 #

rts/ghc.mk

@@ -114,7 +114,7 @@ $$(rts_$1_LIB) : $$(rts_$1_OBJS) rts/libs.depend
 else
 $$(rts_$1_LIB) : $$(rts_$1_OBJS)
 	"$$(RM)" $$(RM_OPTS) $$@
-	echo $$(rts_$1_OBJS) | $$(XARGS) "$$(AR)" $$(AR_OPTS) $$(EXTRA_AR_ARGS) $$@
+	echo $$(rts_$1_OBJS) | "$$(XARGS)" $$(XARGS_OPTS) "$$(AR)" $$(AR_OPTS) $$(EXTRA_AR_ARGS) $$@
 endif
 
 endef

rules/build-package-way.mk

@@ -63,11 +63,11 @@ else
 ifeq "$$($1_$2_SplitObjs)" "YES"
 $$($1_$2_$3_LIB) : $$($1_$2_$3_ALL_OBJS)
 	"$$(RM)" $$(RM_OPTS) $$@
-	(echo $$($1_$2_$3_NON_HS_OBJS) `$$($1_$2_$3_MKSTUBOBJS)`; $$(FIND) $$(patsubst %.$$($3_osuf),%_$$($3_osuf)_split,$$($1_$2_$3_HS_OBJS)) -name '*.$$($3_osuf)' -print) | $$(XARGS) "$$(AR)" $(AR_OPTS) $$(EXTRA_AR_ARGS) $$@
+	(echo $$($1_$2_$3_NON_HS_OBJS) `$$($1_$2_$3_MKSTUBOBJS)`; $$(FIND) $$(patsubst %.$$($3_osuf),%_$$($3_osuf)_split,$$($1_$2_$3_HS_OBJS)) -name '*.$$($3_osuf)' -print) | "$$(XARGS)" $$(XARGS_OPTS) "$$(AR)" $$(AR_OPTS) $$(EXTRA_AR_ARGS) $$@
 else
 $$($1_$2_$3_LIB) : $$($1_$2_$3_ALL_OBJS)
 	"$$(RM)" $$(RM_OPTS) $$@
-	echo $$($1_$2_$3_ALL_OBJS) `$$($1_$2_$3_MKSTUBOBJS)` | $$(XARGS) "$$(AR)" $(AR_OPTS) $$(EXTRA_AR_ARGS) $$@
+	echo $$($1_$2_$3_ALL_OBJS) `$$($1_$2_$3_MKSTUBOBJS)` | "$$(XARGS)" $$(XARGS_OPTS) "$$(AR)" $$(AR_OPTS) $$(EXTRA_AR_ARGS) $$@
 endif
 endif