| Austin Schuh | 208337d | 2022-01-01 14:29:11 -0800 | [diff] [blame] | 1 | # Finds (or builds) the ELF2UF2 executable |
| 2 | # |
| 3 | # This will define the following variables |
| 4 | # |
| 5 | # ELF2UF2_FOUND |
| 6 | # |
| 7 | # and the following imported targets |
| 8 | # |
| 9 | # ELF2UF2 |
| 10 | # |
| 11 | |
| 12 | if (NOT ELF2UF2_FOUND) |
| 13 | # todo we would like to use pckgconfig to look for it first |
| 14 | # see https://pabloariasal.github.io/2018/02/19/its-time-to-do-cmake-right/ |
| 15 | |
| 16 | include(ExternalProject) |
| 17 | |
| 18 | set(ELF2UF2_SOURCE_DIR ${PICO_SDK_PATH}/tools/elf2uf2) |
| 19 | set(ELF2UF2_BINARY_DIR ${CMAKE_BINARY_DIR}/elf2uf2) |
| 20 | |
| 21 | set(ELF2UF2_BUILD_TARGET ELF2UF2Build) |
| 22 | set(ELF2UF2_TARGET ELF2UF2) |
| 23 | |
| 24 | if (NOT TARGET ${ELF2UF2_BUILD_TARGET}) |
| 25 | pico_message_debug("ELF2UF2 will need to be built") |
| 26 | ExternalProject_Add(${ELF2UF2_BUILD_TARGET} |
| 27 | PREFIX elf2uf2 SOURCE_DIR ${ELF2UF2_SOURCE_DIR} |
| 28 | BINARY_DIR ${ELF2UF2_BINARY_DIR} |
| 29 | BUILD_ALWAYS 1 # force dependency checking |
| 30 | INSTALL_COMMAND "" |
| 31 | ) |
| 32 | endif() |
| 33 | |
| 34 | set(ELF2UF2_EXECUTABLE ${ELF2UF2_BINARY_DIR}/elf2uf2) |
| 35 | if(NOT TARGET ${ELF2UF2_TARGET}) |
| 36 | add_executable(${ELF2UF2_TARGET} IMPORTED) |
| 37 | endif() |
| 38 | set_property(TARGET ${ELF2UF2_TARGET} PROPERTY IMPORTED_LOCATION |
| 39 | ${ELF2UF2_EXECUTABLE}) |
| 40 | |
| 41 | add_dependencies(${ELF2UF2_TARGET} ${ELF2UF2_BUILD_TARGET}) |
| 42 | set(ELF2UF2_FOUND 1) |
| 43 | endif() |