# 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 zephyr_compile_options(--specs=picolibc.specs) zephyr_compile_definitions(_POSIX_C_SOURCE=200809) 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) else() zephyr_compile_definitions(PICOLIBC_INTEGER_PRINTF_SCANF) zephyr_link_libraries(-DPICOLIBC_INTEGER_PRINTF_SCANF) endif() endif()