2021-01-20 19:47:18 -05:00
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# This file is part of the MicroPython project, http://micropython.org/
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#
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# The MIT License (MIT)
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#
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# SPDX-FileCopyrightText: Copyright (c) 2019 Dan Halbert for Adafruit Industries
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# Select the board to build for.
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ifeq ($(BOARD),)
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$(error You must provide a BOARD parameter)
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else
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ifeq ($(wildcard boards/$(BOARD)/.),)
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$(error Invalid BOARD specified)
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endif
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endif
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# If the build directory is not given, make it reflect the board name.
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BUILD ?= build-$(BOARD)
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include ../../py/mkenv.mk
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# Board-specific
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include boards/$(BOARD)/mpconfigboard.mk
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# Port-specific
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include mpconfigport.mk
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# CircuitPython-specific
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include $(TOP)/py/circuitpy_mpconfig.mk
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# qstr definitions (must come before including py.mk)
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QSTR_DEFS = qstrdefsport.h
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# include py core make definitions
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include $(TOP)/py/py.mk
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include $(TOP)/supervisor/supervisor.mk
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# Include make rules and variables common across CircuitPython builds.
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include $(TOP)/py/circuitpy_defns.mk
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CROSS_COMPILE = arm-none-eabi-
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HAL_DIR=hal/$(MCU_SERIES)
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INC += -I. \
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-I../.. \
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-I../lib/mp-readline \
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-I../lib/timeutils \
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-Iboards/$(BOARD) \
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-Iboards/ \
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-isystem sdk/ \
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-isystem sdk/src/common/pico_base/include/ \
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-isystem sdk/src/common/pico_binary_info/include/ \
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-isystem sdk/src/common/pico_stdlib/include/ \
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-isystem sdk/src/common/pico_sync/include/ \
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-isystem sdk/src/common/pico_time/include/ \
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-isystem sdk/src/common/pico_util/include/ \
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-isystem sdk/src/rp2040/hardware_regs/include/ \
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-isystem sdk/src/rp2040/hardware_structs/include/ \
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-isystem sdk/src/rp2_common/hardware_adc/include/ \
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-isystem sdk/src/rp2_common/hardware_base/include/ \
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-isystem sdk/src/rp2_common/hardware_claim/include/ \
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-isystem sdk/src/rp2_common/hardware_clocks/include/ \
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-isystem sdk/src/rp2_common/hardware_dma/include/ \
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-isystem sdk/src/rp2_common/hardware_flash/include/ \
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-isystem sdk/src/rp2_common/hardware_gpio/include/ \
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-isystem sdk/src/rp2_common/hardware_irq/include/ \
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-isystem sdk/src/rp2_common/hardware_i2c/include/ \
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-isystem sdk/src/rp2_common/hardware_pio/include/ \
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-isystem sdk/src/rp2_common/hardware_pll/include/ \
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-isystem sdk/src/rp2_common/hardware_resets/include/ \
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2021-02-01 13:30:00 -05:00
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-isystem sdk/src/rp2_common/hardware_rtc/include/ \
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2021-01-20 19:47:18 -05:00
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-isystem sdk/src/rp2_common/hardware_spi/include/ \
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-isystem sdk/src/rp2_common/hardware_sync/include/ \
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-isystem sdk/src/rp2_common/hardware_timer/include/ \
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-isystem sdk/src/rp2_common/hardware_uart/include/ \
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-isystem sdk/src/rp2_common/hardware_watchdog/include/ \
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-isystem sdk/src/rp2_common/hardware_xosc/include/ \
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-isystem sdk/src/rp2_common/pico_multicore/include/ \
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-isystem sdk/src/rp2_common/pico_fix/rp2040_usb_device_enumeration/include/ \
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-isystem sdk/src/rp2_common/pico_stdio/include/ \
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-isystem sdk/src/rp2_common/pico_printf/include/ \
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-isystem sdk/src/rp2_common/pico_float/include/ \
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-isystem sdk/src/rp2_common/pico_platform/include/ \
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-isystem sdk/src/rp2_common/pico_runtime/printf/include/ \
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-isystem sdk/src/rp2_common/pico_bootrom/include/ \
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2021-02-05 21:39:15 -05:00
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-isystem sdk/src/rp2_common/pico_unique_id/include/ \
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2021-01-20 19:47:18 -05:00
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-Isdk_config \
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-I../../lib/tinyusb/src \
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-I../../supervisor/shared/usb \
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-I$(BUILD)
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# Pico specific configuration
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2021-05-17 17:24:45 -04:00
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CFLAGS += -DRASPBERRYPI -DPICO_ON_DEVICE=1 -DPICO_NO_BINARY_INFO=0 -DPICO_TIME_DEFAULT_ALARM_POOL_DISABLED=0 -DPICO_DIVIDER_CALL_IDIV0=0 -DPICO_DIVIDER_CALL_LDIV0=0 -DPICO_DIVIDER_HARDWARE=1 -DPICO_DOUBLE_ROM=1 -DPICO_FLOAT_ROM=1 -DPICO_MULTICORE=1 -DPICO_BITS_IN_RAM=0 -DPICO_DIVIDER_IN_RAM=0 -DPICO_DOUBLE_PROPAGATE_NANS=0 -DPICO_DOUBLE_IN_RAM=0 -DPICO_MEM_IN_RAM=0 -DPICO_FLOAT_IN_RAM=0 -DPICO_FLOAT_PROPAGATE_NANS=1 -DPICO_NO_FLASH=0 -DPICO_COPY_TO_RAM=0 -DPICO_DISABLE_SHARED_IRQ_HANDLERS=0 -DPICO_NO_BI_BOOTSEL_VIA_DOUBLE_RESET=0
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2021-03-10 07:03:27 -05:00
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OPTIMIZATION_FLAGS ?= -O3
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2021-01-20 19:47:18 -05:00
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# TinyUSB defines
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CFLAGS += -DTUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX=1 -DCFG_TUSB_MCU=OPT_MCU_RP2040 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=256 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=256 -DCFG_TUD_MSC_BUFSIZE=1024
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# option to override default optimization level, set in boards/$(BOARD)/mpconfigboard.mk
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CFLAGS += $(OPTIMIZATION_FLAGS)
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#Debugging/Optimization
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ifeq ($(DEBUG), 1)
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CFLAGS += -ggdb3 -Og
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# No LTO because we may place some functions in RAM instead of flash.
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else
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CFLAGS += -DNDEBUG
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# No LTO because we may place some functions in RAM instead of flash.
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ifdef CFLAGS_BOARD
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CFLAGS += $(CFLAGS_BOARD)
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endif
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endif
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2021-01-20 21:25:01 -05:00
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# Remove -Wno-stringop-overflow after we can test with CI's GCC 10. Mac's looks weird.
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DISABLE_WARNINGS = -Wno-stringop-overflow -Wno-unused-function -Wno-unused-variable -Wno-strict-overflow -Wno-cast-align -Wno-strict-prototypes -Wno-nested-externs -Wno-double-promotion -Wno-sign-compare
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2021-01-20 19:47:18 -05:00
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CFLAGS += $(INC) -Wall -Werror -std=gnu11 -nostdlib -fshort-enums $(BASE_CFLAGS) $(CFLAGS_MOD) $(COPT) $(DISABLE_WARNINGS)
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CFLAGS += \
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-march=armv6-m \
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-mthumb \
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-mabi=aapcs-linux \
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-mcpu=cortex-m0plus \
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-msoft-float \
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-mfloat-abi=soft
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PICO_LDFLAGS = --specs=nosys.specs -Wl,--wrap=__aeabi_ldiv0 -Wl,--wrap=__aeabi_idiv0 -Wl,--wrap=__aeabi_lmul -Wl,--wrap=__clzsi2 -Wl,--wrap=__clzdi2 -Wl,--wrap=__ctzsi2 -Wl,--wrap=__ctzdi2 -Wl,--wrap=__popcountsi2 -Wl,--wrap=__popcountdi2 -Wl,--wrap=__clz -Wl,--wrap=__clzl -Wl,--wrap=__clzll -Wl,--wrap=__aeabi_idiv -Wl,--wrap=__aeabi_idivmod -Wl,--wrap=__aeabi_ldivmod -Wl,--wrap=__aeabi_uidiv -Wl,--wrap=__aeabi_uidivmod -Wl,--wrap=__aeabi_uldivmod -Wl,--wrap=__aeabi_dadd -Wl,--wrap=__aeabi_ddiv -Wl,--wrap=__aeabi_dmul -Wl,--wrap=__aeabi_drsub -Wl,--wrap=__aeabi_dsub -Wl,--wrap=__aeabi_cdcmpeq -Wl,--wrap=__aeabi_cdrcmple -Wl,--wrap=__aeabi_cdcmple -Wl,--wrap=__aeabi_dcmpeq -Wl,--wrap=__aeabi_dcmplt -Wl,--wrap=__aeabi_dcmple -Wl,--wrap=__aeabi_dcmpge -Wl,--wrap=__aeabi_dcmpgt -Wl,--wrap=__aeabi_dcmpun -Wl,--wrap=__aeabi_i2d -Wl,--wrap=__aeabi_l2d -Wl,--wrap=__aeabi_ui2d -Wl,--wrap=__aeabi_ul2d -Wl,--wrap=__aeabi_d2iz -Wl,--wrap=__aeabi_d2lz -Wl,--wrap=__aeabi_d2uiz -Wl,--wrap=__aeabi_d2ulz -Wl,--wrap=__aeabi_d2f -Wl,--wrap=sqrt -Wl,--wrap=cos -Wl,--wrap=sin -Wl,--wrap=tan -Wl,--wrap=atan2 -Wl,--wrap=exp -Wl,--wrap=log -Wl,--wrap=ldexp -Wl,--wrap=copysign -Wl,--wrap=trunc -Wl,--wrap=floor -Wl,--wrap=ceil -Wl,--wrap=round -Wl,--wrap=sincos -Wl,--wrap=asin -Wl,--wrap=acos -Wl,--wrap=atan -Wl,--wrap=sinh -Wl,--wrap=cosh -Wl,--wrap=tanh -Wl,--wrap=asinh -Wl,--wrap=acosh -Wl,--wrap=atanh -Wl,--wrap=exp2 -Wl,--wrap=log2 -Wl,--wrap=exp10 -Wl,--wrap=log10 -Wl,--wrap=pow -Wl,--wrap=powint -Wl,--wrap=hypot -Wl,--wrap=cbrt -Wl,--wrap=fmod -Wl,--wrap=drem -Wl,--wrap=remainder -Wl,--wrap=remquo -Wl,--wrap=expm1 -Wl,--wrap=log1p -Wl,--wrap=fma -Wl,--wrap=__aeabi_fadd -Wl,--wrap=__aeabi_fdiv -Wl,--wrap=__aeabi_fmul -Wl,--wrap=__aeabi_frsub -Wl,--wrap=__aeabi_fsub -Wl,--wrap=__aeabi_cfcmpeq -Wl,--wrap=__aeabi_cfrcmple -Wl,--wrap=__aeabi_cfcmple -Wl,--wrap=__aeabi_fcmpeq -Wl,--wrap=__aeabi_fcmplt -Wl,--wrap=__aeabi_fcmple -Wl,--wrap=__aeabi_fcmpge -Wl,--wrap=__aeabi_fcmpgt -Wl,--wrap=__aeabi_fcmpun -Wl,--wrap=__aeabi_i2f -Wl,--wrap=__aeabi_l2f -Wl,--wrap=__aeabi_ui2f -Wl,--wrap=__aeabi_ul2f -Wl,--wrap=__aeabi_f2iz -Wl,--wrap=__aeabi_f2lz -Wl,--wrap=__aeabi_f2uiz -Wl,--wrap=__aeabi_f2ulz -Wl,--wrap=__aeabi_f2d -Wl,--wrap=sqrtf -Wl,--wrap=cosf -Wl,--wrap=sinf -Wl,--wrap=tanf -Wl,--wrap=atan2f -Wl,--wrap=expf -Wl,--wrap=logf -Wl,--wrap=ldexpf -Wl,--wrap=copysignf -Wl,--wrap=truncf -Wl,--wrap=floorf -Wl,--wrap=ceilf -Wl,--wrap=roundf -Wl,--wrap=sincosf -Wl,--wrap=asinf -Wl,--wrap=acosf -Wl,--wrap=atanf -Wl,--wrap=sinhf -Wl,--wrap=coshf -Wl,--wrap=tanhf -Wl,--wrap=asinhf -Wl,--wrap=acoshf -Wl,--wrap=atanhf -Wl,--wrap=exp2f -Wl,--wrap=log2f -Wl,--wrap=exp10f -Wl,--wrap=log10f -Wl,--wrap=powf -Wl,--wrap=powintf -Wl,--wrap=hypotf -Wl,--wrap=cbrtf -Wl,--wrap=fmodf -Wl,--wrap=dremf -Wl,--wrap=remainderf -Wl,--wrap=remquof -Wl,--wrap=expm1f -Wl,--wrap=log1pf -Wl,--wrap=fmaf -Wl,--wrap=memcpy -Wl,--wrap=memset -Wl,--wrap=__aeabi_memcpy -Wl,--wrap=__aeabi_memset -Wl,--wrap=__aeabi_memcpy4 -Wl,--wrap=__aeabi_memset4 -Wl,--wrap=__aeabi_memcpy8 -Wl,--wrap=__aeabi_memset8
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# Use toolchain libm if we're not using our own.
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ifndef INTERNAL_LIBM
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LIBS += -lm
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endif
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SRC_SDK := \
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src/common/pico_sync/critical_section.c \
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src/common/pico_sync/lock_core.c \
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src/common/pico_sync/mutex.c \
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src/common/pico_time/time.c \
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2021-03-03 09:43:57 -05:00
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src/common/pico_time/timeout_helper.c \
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2021-01-20 19:47:18 -05:00
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src/common/pico_util/pheap.c \
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src/rp2_common/hardware_adc/adc.c \
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src/rp2_common/hardware_claim/claim.c \
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src/rp2_common/hardware_clocks/clocks.c \
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src/rp2_common/hardware_dma/dma.c \
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src/rp2_common/hardware_flash/flash.c \
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src/rp2_common/hardware_gpio/gpio.c \
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src/rp2_common/hardware_i2c/i2c.c \
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src/rp2_common/hardware_irq/irq.c \
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src/rp2_common/hardware_pio/pio.c \
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src/rp2_common/hardware_pll/pll.c \
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2021-03-04 16:12:24 -05:00
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src/rp2_common/hardware_rtc/rtc.c \
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2021-01-20 19:47:18 -05:00
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src/rp2_common/hardware_spi/spi.c \
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src/rp2_common/hardware_sync/sync.c \
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src/rp2_common/hardware_timer/timer.c \
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src/rp2_common/hardware_uart/uart.c \
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src/rp2_common/hardware_watchdog/watchdog.c \
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src/rp2_common/hardware_xosc/xosc.c \
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src/rp2_common/pico_bootrom/bootrom.c \
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2021-03-10 06:58:23 -05:00
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src/rp2_common/pico_bootsel_via_double_reset/pico_bootsel_via_double_reset.c \
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2021-01-20 19:47:18 -05:00
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src/rp2_common/pico_double/double_init_rom.c \
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src/rp2_common/pico_fix/rp2040_usb_device_enumeration/rp2040_usb_device_enumeration.c \
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src/rp2_common/pico_float/float_init_rom.c \
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src/rp2_common/pico_float/float_math.c \
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src/rp2_common/pico_multicore/multicore.c \
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src/rp2_common/pico_platform/platform.c \
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src/rp2_common/pico_printf/printf.c \
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src/rp2_common/pico_runtime/runtime.c \
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src/rp2_common/pico_stdio/stdio.c \
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2021-02-05 21:39:15 -05:00
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src/rp2_common/pico_unique_id/unique_id.c \
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2021-01-20 19:47:18 -05:00
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SRC_SDK := $(addprefix sdk/, $(SRC_SDK))
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SRC_C += \
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boards/$(BOARD)/board.c \
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boards/$(BOARD)/pins.c \
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bindings/rp2pio/StateMachine.c \
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bindings/rp2pio/__init__.c \
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common-hal/rp2pio/StateMachine.c \
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common-hal/rp2pio/__init__.c \
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2021-02-02 20:14:39 -05:00
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audio_dma.c \
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2021-01-20 19:47:18 -05:00
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background.c \
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peripherals/pins.c \
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2021-02-17 17:50:49 -05:00
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extmod/crypto-algorithms/sha256.c \
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2021-01-20 19:47:18 -05:00
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fatfs_port.c \
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lib/tinyusb/src/portable/raspberrypi/rp2040/dcd_rp2040.c \
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lib/tinyusb/src/portable/raspberrypi/rp2040/rp2040_usb.c \
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mphalport.c \
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SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \
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$(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \
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$(addprefix common-hal/, $(SRC_COMMON_HAL))
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SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_MODULE)) \
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$(addprefix shared-module/, $(SRC_SHARED_MODULE)) \
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$(addprefix shared-module/, $(SRC_SHARED_MODULE_INTERNAL))
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# There may be duplicates between SRC_COMMON_HAL_EXPANDED and SRC_SHARED_MODULE_EXPANDED,
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# because a few modules have files both in common-hal/ and shared-modules/.
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# Doing a $(sort ...) removes duplicates as part of sorting.
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SRC_COMMON_HAL_SHARED_MODULE_EXPANDED = $(sort $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED))
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SRC_S = supervisor/$(CHIP_FAMILY)_cpu.s
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2021-03-12 18:58:38 -05:00
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BOOT2_S_CFLAGS ?= -DPICO_FLASH_SPI_CLKDIV=4
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2021-03-01 21:54:57 -05:00
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SRC_S_UPPER = sdk/src/rp2_common/hardware_divider/divider.S \
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2021-01-20 19:47:18 -05:00
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sdk/src/rp2_common/hardware_irq/irq_handler_chain.S \
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sdk/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S \
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sdk/src/rp2_common/pico_double/double_aeabi.S \
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sdk/src/rp2_common/pico_double/double_v1_rom_shim.S \
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sdk/src/rp2_common/pico_divider/divider.S \
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sdk/src/rp2_common/pico_float/float_aeabi.S \
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sdk/src/rp2_common/pico_float/float_v1_rom_shim.S \
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sdk/src/rp2_common/pico_int64_ops/pico_int64_ops_aeabi.S \
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sdk/src/rp2_common/pico_mem_ops/mem_ops_aeabi.S \
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sdk/src/rp2_common/pico_standard_link/crt0.S \
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OBJ = $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_SDK:.c=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_COMMON_HAL_SHARED_MODULE_EXPANDED:.c=.o))
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ifeq ($(INTERNAL_LIBM),1)
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OBJ += $(addprefix $(BUILD)/, $(SRC_LIBM:.c=.o))
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endif
|
2021-04-22 20:55:39 -04:00
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OBJ += $(addprefix $(BUILD)/, $(SRC_CIRCUITPY_COMMON:.c=.o))
|
2021-01-20 19:47:18 -05:00
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OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_S_UPPER:.S=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o))
|
2021-03-01 21:54:57 -05:00
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OBJ += $(BUILD)/boot2_padded_checksummed.o
|
2021-01-20 19:47:18 -05:00
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|
2021-03-01 21:54:57 -05:00
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$(BUILD)/boot2_padded_checksummed.o: $(BUILD)/boot2_padded_checksummed.S
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|
$(STEPECHO) "CC $<"
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$(Q)$(CC) $(CFLAGS) -c -o $@ $<
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$(BUILD)/boot2_padded_checksummed.S: $(BUILD)/boot2.bin
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|
$(STEPECHO) "PAD_CHECKSUM $<"
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|
$(Q)$(PYTHON3) sdk/src/rp2_common/boot_stage2/pad_checksum -s 0xffffffff $< $@
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$(BUILD)/boot2.bin: $(BUILD)/boot2.elf
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$(STEPECHO) "OBJCOPY $<"
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|
$(Q)$(OBJCOPY) -O binary $< $@
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|
2021-03-04 16:12:24 -05:00
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|
$(BUILD)/stage2.c: stage2.c.jinja gen_stage2.py | $(BUILD)/
|
|
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|
$(STEPECHO) "GEN $<"
|
|
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|
|
$(Q)$(PYTHON3) gen_stage2.py $< $@ $(EXTERNAL_FLASH_DEVICES)
|
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|
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|
|
$(BUILD)/boot2.elf: $(BUILD)/stage2.c
|
2021-03-01 21:54:57 -05:00
|
|
|
$(STEPECHO) "BOOT $<"
|
2021-03-04 16:12:24 -05:00
|
|
|
$(Q)$(CC) $(CFLAGS) $(BOOT2_S_CFLAGS) -Os -ggdb3 -I. -fPIC --specs=nosys.specs -nostartfiles -Wl,-T,boot_stage2.ld -Wl,-Map=$@.map -o $@ $<
|
|
|
|
|
$(Q)$(SIZE) $@
|
2021-01-20 19:47:18 -05:00
|
|
|
|
|
|
|
|
SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED)
|
|
|
|
|
|
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|
|
all: $(BUILD)/firmware.uf2
|
|
|
|
|
|
|
|
|
|
$(BUILD)/firmware.elf: $(OBJ) link.ld
|
|
|
|
|
$(STEPECHO) "LINK $@"
|
2021-03-24 18:03:33 -04:00
|
|
|
$(Q)echo $(OBJ) > $(BUILD)/firmware.objs
|
|
|
|
|
$(Q)echo $(PICO_LDFLAGS) > $(BUILD)/firmware.ldflags
|
|
|
|
|
$(Q)$(CC) -o $@ $(CFLAGS) @$(BUILD)/firmware.ldflags -Wl,-T,link.ld -Wl,-Map=$@.map -Wl,-cref -Wl,--gc-sections @$(BUILD)/firmware.objs
|
2021-01-20 19:47:18 -05:00
|
|
|
$(Q)$(SIZE) $@ | $(PYTHON3) $(TOP)/tools/build_memory_info.py link.ld
|
|
|
|
|
|
|
|
|
|
$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
|
|
|
|
|
$(STEPECHO) "Create $@"
|
2021-03-04 16:12:24 -05:00
|
|
|
$(Q)$(OBJCOPY) -O binary -R .dtcm_bss $^ $@
|
2021-01-20 19:47:18 -05:00
|
|
|
|
|
|
|
|
$(BUILD)/firmware.uf2: $(BUILD)/firmware.bin
|
|
|
|
|
$(STEPECHO) "Create $@"
|
|
|
|
|
$(Q)$(PYTHON3) $(TOP)/tools/uf2/utils/uf2conv.py -f 0xe48bff56 -b 0x10000000 -c -o $@ $^
|
|
|
|
|
|
|
|
|
|
include $(TOP)/py/mkrules.mk
|
|
|
|
|
|
|
|
|
|
# Print out the value of a make variable.
|
|
|
|
|
# https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile
|
|
|
|
|
print-%:
|
|
|
|
|
@echo $* = $($*)
|
