build: increase file descriptor count limit for the build, some systems (e.g. Mac...

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 34023

diff --git a/include/toplevel.mk b/include/toplevel.mk
index f44dc81557f5d7246d3c2267db5fd07979980e4a..19ed8cb1d9daa55c90e544c01543753ee5d25e13 100644 (file)
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -51,6 +51,8 @@ export SCAN_COOKIE
 
 SUBMAKE:=umask 022; $(SUBMAKE)
 
+ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
+
 prepare-mk: FORCE ;
 
 prepare-tmpinfo: FORCE
@@ -149,7 +151,7 @@ prereq:: prepare-tmpinfo .config
                        echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
                fi \
        )
-       @+$(SUBMAKE) -r $@
+       @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
 
 help:
        cat README