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Provide our own newlib libc

Browse source 
Newlib 2.2.0 w/ nan ofeatures, xtensa patches, locking
implementation.

Built from https://github.com/projectgus/newlib-xtensa
branch xtensa-2_2_0-lock
commit daa6ae40cdc8099f54c3e68a586fc1b906169c5a

For more details, see:
https://github.com/SuperHouse/esp-open-rtos/wiki/libc-configuration

Closes #1
This commit is contained in:
Angus Gratton 2015-07-15 15:09:55 +10:00
parent a566a51c09
commit 689cf874b2
112 changed files with 23413 additions and 0 deletions
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8
common.mk
View file

@ -67,6 +67,9 @@ SDK_LIBS ?= main net80211 phy pp wpa
# open source libraries linked in
LIBS ?= hal gcc c
# set to 0 if you want to use the toolchain libc instead of esp-open-rtos newlib
OWN_LIBC ?= 1
# Note: this isn't overridable without a not-yet-merged patch to esptool
ENTRY_SYMBOL = call_user_start
@ -116,6 +119,11 @@ FW_FILE_2 = $(addprefix $(FW_BASE),$(FW_2).bin)
# , which is useful for overriding things.
INC_DIRS = $(PROGRAM_DIR) $(PROGRAM_DIR)include $(ROOT)include
ifeq ($(OWN_LIBC),1)
INC_DIRS += $(ROOT)libc/xtensa-lx106-elf/include
LDFLAGS += -L$(ROOT)libc/xtensa-lx106-elf/lib
endif
ifeq ("$(V)","1")
Q :=
vecho := @true