| # SPDX-License-Identifier: Apache-2.0 |
| |
| zephyr_library() |
| zephyr_library_sources(libc-hooks.c) |
| |
| # define __LINUX_ERRNO_EXTENSIONS__ so we get errno defines like -ESHUTDOWN |
| # used by the network stack |
| zephyr_compile_definitions(__LINUX_ERRNO_EXTENSIONS__) |
| |
| if(NOT CONFIG_PICOLIBC_USE_MODULE) |
| |
| # Use picolibc provided with the toolchain. This requires a new enough |
| # toolchain so that the version of picolibc supports auto-detecting a |
| # Zephyr build (via the __ZEPHYR__ macro) to expose the Zephyr C API |
| |
| zephyr_compile_options(--specs=picolibc.specs) |
| zephyr_libc_link_libraries(--specs=picolibc.specs c -lgcc) |
| if(CONFIG_PICOLIBC_IO_FLOAT) |
| zephyr_compile_definitions(PICOLIBC_DOUBLE_PRINTF_SCANF) |
| zephyr_link_libraries(-DPICOLIBC_DOUBLE_PRINTF_SCANF) |
| elseif(CONFIG_PICOLIBC_IO_MINIMAL) |
| zephyr_compile_definitions(PICOLIBC_MINIMAL_PRINTF_SCANF) |
| zephyr_link_libraries(-DPICOLIBC_MINIMAL_PRINTF_SCANF) |
| elseif(CONFIG_PICOLIBC_IO_LONG_LONG) |
| zephyr_compile_definitions(PICOLIBC_LONG_LONG_PRINTF_SCANF) |
| zephyr_link_libraries(-DPICOLIBC_LONG_LONG_PRINTF_SCANF) |
| else() |
| zephyr_compile_definitions(PICOLIBC_INTEGER_PRINTF_SCANF) |
| zephyr_link_libraries(-DPICOLIBC_INTEGER_PRINTF_SCANF) |
| endif() |
| |
| endif() |
