[esp8266] build failure

[seanshpark]

While applying new build system, I get this error when compiling esp8266/user folder.

make[1]: Entering directory '/home/maxwell/usbdisk/x86/harmony/jerryscript/targets/esp8266/user'
Makefile:42: *** Too many open files.  Stop.
make[1]: Leaving directory '/home/maxwell/usbdisk/x86/harmony/jerryscript/targets/esp8266/user'
/opt/Espressif/ESP8266_SDK/Makefile:317: recipe for target '.subdirs' failed
make: *** [.subdirs] Error 2

commit 23db8b5#diff-93f1dba5fbae34b11a322c6bd3269549
seems the reason.

 INCLUDES := $(INCLUDES) -I $(PDIR)include
 -INCLUDES += -I ./ -I ../include
 -PDIR := ../$(PDIR)
 +INCLUDES += -I ./ -I ../include -I../../../
  sinclude $(PDIR)Makefile

PDIR := ../$(PDIR) line should not be removed.

I'll make a PR fixing this error and for the new build system.

[seanshpark]

@slaff, is there any reason to include ../../.. folder?

[zherczeg]

Closing due to inactivity. Please reopen if needed.