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RIOT/cpu/esp32/esp-idf/esp_idf_cflags.mk
2023-04-17 07:32:48 +02:00

61 lines
2.1 KiB
Makefile

# common definitions for all ESP-IDF modules
# indicate that ESP-IDF code is compiled
CFLAGS += -DESP_IDF_CODE
# shortcuts used by ESP-IDF
CFLAGS += -Dasm=__asm
CFLAGS += -Dtypeof=__typeof__
# required for esp_wifi (components/spi_flash/esp32/spi_flash_rom_patch.c)
# required for esp_idf_heap (components/heap/heap_caps_init.c)
# required for esp_idf_wpa_supplicant
CFLAGS += -Wno-sign-compare
# required by esp_idf_heap (components/heap/heap_caps.c)
# required for esp_idf_wpa_supplicant
CFLAGS += -Wno-implicit-function-declaration
# required for esp_wifi (components/esp_event/esp_event.c)
CFLAGS += -Wno-old-style-declaration
# required for esp_wifi (components/efuse/esp32/esp_efuse_utility.c)
# required for esp_idf_heap (components/heap/multi_heap.c)
# required for esp_idf_wpa_supplicant
CFLAGS += -Wno-old-style-definition
# required for esp_idf_common (components/bootloader_support/src/bootloader_flash.c)
CFLAGS += -Wno-unused-variable
# required for esp_idf_spi_flash (components/spi_flash/partition.c)
CFLAGS += -Wno-enum-compare
# vendor code contains casts that increase alignment requirements. Let's hope
# those are false positives.
CFLAGS += -Wno-cast-align
# TODO: required to be able to compile with GCC 12.1, remove them after upgrade to ESP-IDF 5.1
CFLAGS += -Wno-attributes
CFLAGS += -Wno-enum-conversion
CFLAGS += -Wno-error=format=
CFLAGS += -Wno-format
CFLAGS += -Wno-use-after-free
CFLAGS += -Wno-incompatible-pointer-types
# additional CFLAGS required for RISC-V architecture
ifneq (,$(filter riscv32%,$(TARGET_ARCH)))
INCLUDES += -I$(ESP32_SDK_DIR)/components/riscv/include
CFLAGS += -DCONFIG_IDF_TARGET_ARCH_RISCV
CFLAGS += -march=rv32imc
CFLAGS += -Wno-error=format=
CFLAGS += -nostartfiles
CFLAGS += -Wno-format
GCC_NEW_RISCV_ISA ?= $(shell echo "typedef int dont_be_pedantic;" | \
$(TARGET_ARCH)-gcc -march=rv32imac -mabi=ilp32 \
-misa-spec=2.2 -E - > /dev/null 2>&1 && \
echo 1 || echo 0)
ifeq (1,$(GCC_NEW_RISCV_ISA))
CFLAGS += -misa-spec=2.2
endif
endif