esp-open-rtos/lwip/component.mk
Angus Gratton 7e73693898 Rework component makefiles to have a default <component>_ROOT
This fixes a long-standing bug where build directories sometimes
expanded many levels deeper than they should have.

Component names can now no longer contains slashes (ie the component
name for 'extras/i2c' is now just 'i2c')
2015-09-08 09:59:59 +10:00

18 lines
766 B
Makefile

# Component makefile for LWIP
LWIP_DIR = $(lwip_ROOT)lwip/src/
INC_DIRS += $(LWIP_DIR)include $(ROOT)lwip/include $(lwip_ROOT)include $(LWIP_DIR)include/ipv4 $(LWIP_DIR)include/ipv4/lwip $(LWIP_DIR)include/lwip
# args for passing into compile rule generation
lwip_INC_DIR = # all in INC_DIRS, needed for normal operation
lwip_SRC_DIR = $(lwip_ROOT) $(LWIP_DIR)api $(LWIP_DIR)core $(LWIP_DIR)core/ipv4 $(LWIP_DIR)netif
# LWIP 1.4.1 generates a single warning so we need to disable -Werror when building it
lwip_CFLAGS = $(CFLAGS) -Wno-address
$(eval $(call component_compile_rules,lwip))
# Helpful error if git submodule not initialised
$(lwip_SRC_DIR):
$(error "LWIP git submodule not installed. Please run 'git submodule init' then 'git submodule update'")