Initial scripting to auto-build libpico.a

Author: earlephilhower

pico-sdk-lib/CMakeLists.txt

@@ -0,0 +1,69 @@
+cmake_minimum_required(VERSION 3.12)
+
+# Pull in PICO SDK (must be before project)
+include(pico_sdk_import.cmake)
+
+project(pico_lib C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+# Initialize the SDK
+pico_sdk_init()
+
+add_library(pico STATIC)
+
+target_compile_definitions(pico PUBLIC
+	PICO_PRINTF_ALWAYS_INCLUDED=1	)
+
+
+target_link_libraries(pico 
+	boot_stage2
+hardware_adc
+hardware_base
+hardware_claim
+hardware_clocks
+hardware_divider
+hardware_dma
+hardware_flash
+hardware_gpio
+hardware_i2c
+hardware_interp
+hardware_irq
+hardware_pio
+hardware_pll
+hardware_pwm
+hardware_resets
+hardware_rtc
+hardware_spi
+hardware_sync
+hardware_timer
+hardware_uart
+hardware_vreg
+hardware_watchdog
+hardware_xosc
+pico_bit_ops
+pico_bootrom
+pico_bootsel_via_double_reset
+pico_cxx_options
+pico_divider
+pico_double
+pico_fix
+pico_float
+pico_int64_ops
+pico_malloc
+pico_mem_ops
+pico_multicore
+pico_platform
+pico_runtime
+pico_standard_link
+pico_stdio
+pico_stdio_usb
+pico_stdlib
+pico_unique_id
+tinyusb
+)
+
+add_custom_command(TARGET pico POST_BUILD
+       	COMMAND  ar dv libpico.a  stdio_uart.c.obj stdio.c.obj printf.c.obj
+	)
+

pico-sdk-lib/build.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+rm -rf build
+mkdir build
+cd build
+PICO_SDK_PATH=../../pico-sdk/ PATH="$(cd ../system/arm*/bin; pwd):$PATH" cmake ..
+make
+cp libpico.a ../../lib/.
+

pico-sdk-lib/pico_sdk_import.cmake

@@ -0,0 +1,64 @@
+# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
+
+# This can be dropped into an external project to help locate this SDK
+# It should be include()ed prior to project()
+
+# todo document
+
+if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
+    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
+    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
+    set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
+    message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
+    set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
+    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the PICO SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of PICO SDK from git if not otherwise locatable")
+set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+
+if (NOT PICO_SDK_PATH)
+    if (PICO_SDK_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_SDK_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        FetchContent_Declare(
+                pico_sdk
+                GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                GIT_TAG master
+        )
+        if (NOT pico_sdk)
+            message("Downloading PICO SDK")
+            FetchContent_Populate(pico_sdk)
+            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        message(FATAL_ERROR
+                "PICO SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                )
+    endif ()
+endif ()
+
+get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_SDK_PATH})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
+endif ()
+
+set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
+if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the PICO SDK")
+endif ()
+
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the PICO SDK" FORCE)
+
+include(${PICO_SDK_INIT_CMAKE_FILE})