Squashed 'third_party/pico-sdk/' content from commit 2062372d2
Change-Id: Ic20f199d3ed0ea8d3a6a1bbf513f875ec7500cc6
git-subtree-dir: third_party/pico-sdk
git-subtree-split: 2062372d203b372849d573f252cf7c6dc2800c0a
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/pico_sdk_init.cmake b/pico_sdk_init.cmake
new file mode 100644
index 0000000..f6b6f81
--- /dev/null
+++ b/pico_sdk_init.cmake
@@ -0,0 +1,94 @@
+# Pre-initialize the Raspberry Pi Pico SDK, setting up the platform and toolchain and some CMake utility functions
+# This file must be included prior to the project() call
+
+# Note: this file is perhaps named badly, as it provides a method pico_sdk_init which
+# the enclosing project calls LATER to actually "initialize" the SDK (by including the CMakeLists.txt from this
+# same directory)
+
+if (NOT TARGET _pico_sdk_pre_init_marker)
+ add_library(_pico_sdk_pre_init_marker INTERFACE)
+
+ function(pico_is_top_level_project VAR)
+ string(TOLOWER ${CMAKE_CURRENT_LIST_DIR} __list_dir)
+ string(TOLOWER ${CMAKE_SOURCE_DIR} __source_dir)
+ if (__source_dir STREQUAL __list_dir)
+ set(${VAR} 1 PARENT_SCOPE)
+ else()
+ set(${VAR} 0 PARENT_SCOPE)
+ endif()
+ endfunction()
+
+ function(pico_message_debug MESSAGE)
+ # The log-level system was added in CMake 3.15.
+ if(${CMAKE_VERSION} VERSION_LESS "3.15.0")
+ message(${MESSAGE})
+ else()
+ message(DEBUG ${MESSAGE})
+ endif()
+ endfunction()
+
+ if (NOT PICO_SDK_PATH)
+ set(PICO_SDK_PATH ${CMAKE_CURRENT_LIST_DIR})
+ endif ()
+
+ get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+
+ set(PICO_SDK_PATH ${CMAKE_CURRENT_LIST_DIR} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
+
+ list(APPEND CMAKE_MODULE_PATH ${PICO_SDK_PATH}/cmake)
+
+ include(${CMAKE_CURRENT_LIST_DIR}/pico_sdk_version.cmake)
+ include(pico_utils)
+
+ message("PICO_SDK_PATH is ${CMAKE_CURRENT_LIST_DIR}")
+
+ include(pico_pre_load_platform)
+
+ # We want to configure correct toolchain prior to project load
+ # todo perhaps this should be included by the platform instead?
+ include(pico_pre_load_toolchain)
+
+ macro(pico_sdk_init)
+ if (NOT CMAKE_PROJECT_NAME)
+ message(WARNING "pico_sdk_init() should be called after the project is created (and languages added)")
+ endif()
+ add_subdirectory(${PICO_SDK_PATH} pico-sdk)
+ pico_is_top_level_project(ISTOP)
+ endmacro()
+
+ macro(add_sub_list_dirs var)
+ foreach(LIST_DIR IN LISTS ${var})
+ get_filename_component(SHORT_NAME "${LIST_DIR}" NAME)
+ pico_message_debug("Including custom CMakeLists.txt ${SHORT_NAME}")
+ add_subdirectory(${LIST_DIR} ${SHORT_NAME})
+ endforeach()
+ endmacro()
+
+ macro(add_sub_list_files var)
+ foreach(LIST_FILE IN LISTS ${var})
+ pico_message_debug("Including custom CMake file ${LIST_FILE}")
+ include(${LIST_FILE})
+ endforeach()
+ endmacro()
+
+ macro(pico_register_common_scope_var NAME)
+ if (NOT ${NAME} IN_LIST PICO_PROMOTE_COMMON_SCOPE_VARS)
+ list(APPEND PICO_PROMOTE_COMMON_SCOPE_VARS ${NAME})
+ endif()
+ endmacro()
+
+ set(PICO_PROMOTE_COMMON_SCOPE_VARS
+ PICO_INCLUDE_DIRS
+ PICO_SDK_POST_LIST_DIRS
+ PICO_SDK_POST_LIST_FILES
+ PICO_CONFIG_HEADER_FILES
+ PICO_RP2040_CONFIG_HEADER_FILES
+ )
+
+ macro(pico_promote_common_scope_vars)
+ set(PICO_PROMOTE_COMMON_SCOPE_VARS ${PICO_PROMOTE_COMMON_SCOPE_VARS} PARENT_SCOPE)
+ foreach(VAR IN LISTS PICO_PROMOTE_COMMON_SCOPE_VARS)
+ SET(${VAR} ${${VAR}} PARENT_SCOPE)
+ endforeach()
+ endmacro()
+endif()