diff --git a/Makefile b/Makefile
index f713a1e82..1e9d4180c 100644
--- a/Makefile
+++ b/Makefile
@@ -224,7 +224,7 @@ o/$(MODE)/hdrs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(HDRS) $(
 o/$(MODE)/incs.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(INCS) $(INCS),$(dir $(x))))
 	$(file >$@,$(INCS))
 o/$(MODE)/depend: o/$(MODE)/.x o/$(MODE)/srcs.txt o/$(MODE)/hdrs.txt o/$(MODE)/incs.txt $(SRCS) $(HDRS) $(INCS)
-	@$(COMPILE) -AMKDEPS $(MKDEPS) -o $@ -r o/$(MODE)/ @o/$(MODE)/srcs.txt @o/$(MODE)/hdrs.txt @o/$(MODE)/incs.txt
+	@$(COMPILE) -AMKDEPS -L320 $(MKDEPS) -o $@ -r o/$(MODE)/ @o/$(MODE)/srcs.txt @o/$(MODE)/hdrs.txt @o/$(MODE)/incs.txt
 
 o/$(MODE)/srcs-old.txt: o/$(MODE)/.x $(MAKEFILES) $(call uniq,$(foreach x,$(SRCS),$(dir $(x))))
 	$(file >$@) $(foreach x,$(SRCS),$(file >>$@,$(x)))
diff --git a/build/bootstrap/compile.com b/build/bootstrap/compile.com
index 9724f350b..7e8a6e705 100755
Binary files a/build/bootstrap/compile.com and b/build/bootstrap/compile.com differ
diff --git a/tool/build/compile.c b/tool/build/compile.c
index 2958dc6a7..84ba6e745 100644
--- a/tool/build/compile.c
+++ b/tool/build/compile.c
@@ -97,7 +97,7 @@ FLAGS\n\
   -V NUMBER    specifies compiler version\n\
   -C SECS      set cpu limit [default 8]\n\
   -L SECS      set lat limit [default 64]\n\
-  -M BYTES     set mem limit [default 256m]\n\
+  -M BYTES     set mem limit [default 512m]\n\
   -F BYTES     set fsz limit [default 100m]\n\
   -O BYTES     set out limit [default 1m]\n\
   -s           decrement verbosity [default 4]\n\
@@ -625,7 +625,7 @@ int main(int argc, char *argv[]) {
   timeout = 64;                 /* secs */
   cpuquota = 8;                 /* secs */
   fszquota = 100 * 1000 * 1000; /* bytes */
-  memquota = 256 * 1024 * 1024; /* bytes */
+  memquota = 512 * 1024 * 1024; /* bytes */
   if ((s = getenv("V"))) verbose = atoi(s);
   while ((opt = getopt(argc, argv, "hnvstC:M:F:A:T:V:O:L:")) != -1) {
     switch (opt) {