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

[openwrt/openwrt.git] / include / toplevel.mk

diff --git a/include/toplevel.mk b/include/toplevel.mk
index ba5af9c1557bd64b0520e6e96ee2f0ea912a83e8..19ed8cb1d9daa55c90e544c01543753ee5d25e13 100644 (file)
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -1,12 +1,12 @@
 # Makefile for OpenWrt
 #
-# Copyright (C) 2007-2011 OpenWrt.org
+# Copyright (C) 2007-2012 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
-RELEASE:=Attitude Adjustment
+RELEASE:=Barrier Breaker
 PREP_MK= OPENWRT_BUILD= QUIET=0
 
 include $(TOPDIR)/include/verbose.mk
@@ -26,6 +26,7 @@ export IS_TTY=$(shell tty -s && echo 1 || echo 0)
 export LD_LIBRARY_PATH:=$(subst ::,:,$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
 export DYLD_LIBRARY_PATH:=$(subst ::,:,$(if $(DYLD_LIBRARY_PATH),$(DYLD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
+export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
 
 # prevent perforce from messing with the patch utility
 unexport P4PORT P4USER P4CONFIG P4CLIENT
@@ -50,6 +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
@@ -148,7 +151,7 @@ prereq:: prepare-tmpinfo .config
                        echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
                fi \
        )
-       @+$(SUBMAKE) -r $@ MAKE_JOBSERVER="$(filter --jobserver% -j,$(MAKEFLAGS))"
+       @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
 
 help:
        cat README