trns1997 opened a new issue, #16221: URL: https://github.com/apache/nuttx/issues/16221
### Description / Steps to reproduce the issue ## Description When building NuttX using CMake (as documented in the [CMake Quickstart](https://nuttx.apache.org/docs/latest/quickstart/compiling_cmake.html)), the build fails during the compilation of `cxxtest_main.cxx` with the error: ``` fatal error: cstdio: No such file or directory ``` This issue does not occur when building using the classic Makefile configuration. ## Steps to Reproduce 1. **Configure the Board** Run the following command in your NuttX source directory: ``` cmake -B build -DBOARD_CONFIG=xmc4800-relax:nsh -GNinja ``` 2. **Build NuttX with CxxTest** Build the project with: ``` cmake --build build ``` 3. Observed Error The build fails with the following output: ``` [2/8] Building CXX object apps/testing/cxx/cxxtest/CMakeFiles/apps_cxxtest.dir/cxxtest_main.cxx.obj FAILED: apps/testing/cxx/cxxtest/CMakeFiles/apps_cxxtest.dir/cxxtest_main.cxx.obj /home/thomas/arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi/bin/arm-none-eabi-g++ -D__NuttX__ -Dmain=cxxtest_main -I/home/thomas/nuttxspace/apps/include -I/home/thomas/nuttxspace/nuttx/build/apps/include -isystem /home/thomas/nuttxspace/nuttx/include -isystem /home/thomas/nuttxspace/nuttx/build/include -mtune=cortex-m4 -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard --param=min-pagesize=0 -fno-common -Wall -Wshadow -Wundef -nostdlib -fomit-frame-pointer -mthumb -Wa,-mthumb -Wa,-mimplicit-it=always -ffunction-sections -fdata-sections -Wno-attributes -Wno-unknown-pragmas -nostdinc++ -Wno-psabi -std=c++17 -fdiagnostics-color=always -DNDEBUG -fmacro-prefix-map=/home/thomas/nuttxspace/nuttx= -fmacro-prefix-map=/home/thomas/nuttxspace/apps= -fmacro-prefix-map=/home/thomas/nuttxspace/nuttx/boards/arm/xmc4/xmc4800-relax= -fmacro-prefix-map=/home/thomas/nuttxspace/nuttx/arch/arm/src/xmc4= @apps/testing/cxx/cxxtest/CMakeFiles/apps_cxxtest.dir/cxxtest_main.cxx.obj.rsp -MD -MT apps/testi ng/cxx/cxxtest/CMakeFiles/apps_cxxtest.dir/cxxtest_main.cxx.obj -MF apps/testing/cxx/cxxtest/CMakeFiles/apps_cxxtest.dir/cxxtest_main.cxx.obj.d -o apps/testing/cxx/cxxtest/CMakeFiles/apps_cxxtest.dir/cxxtest_main.cxx.obj -c /home/thomas/nuttxspace/apps/testing/cxx/cxxtest/cxxtest_main.cxx /home/thomas/nuttxspace/apps/testing/cxx/cxxtest/cxxtest_main.cxx:29:10: fatal error: cstdio: No such file or directory 29 | #include <cstdio> | ^~~~~~~~ compilation terminated. [3/8] Linking C static library libs/libc/libc.a ninja: build stopped: subcommand failed. ``` ### On which OS does this issue occur? [OS: Linux] ### What is the version of your OS? 24.04 ### NuttX Version master ### Issue Architecture [Arch: arm] ### Issue Area [Area: Build System] ### Host information file sysinfo.h not exists NuttX CFLAGS: -Wstrict-prototypes -Wno-attributes -Wno-unknown-pragmas -Wno-psabi -fomit-frame-pointer --param=min-pagesize=0 -fno-common -Wall -Wshadow -Wundef -ffunction-sections -fdata-sections -mlittle-endian -march=armv7e-m -mtune=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -Wa-mthumb -Wa-mimplicit-it=always -isystem /home/thomas/nuttxspace/nuttx/include -D__NuttX__ -DNDEBUG -pipe NuttX CXXFLAGS: -Wno-attributes -Wno-unknown-pragmas -Wno-psabi -std=\c++17\ -fomit-frame-pointer --param=min-pagesize=0 -fno-common -Wall -Wshadow -Wundef -ffunction-sections -fdata-sections -mlittle-endian -march=armv7e-m -mtune=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -Wa-mthumb -Wa-mimplicit-it=always -isystem /home/thomas/nuttxspace/nuttx/include/cxx -isystem /home/thomas/nuttxspace/nuttx/include -D__NuttX__ -DNDEBUG -pipe NuttX LDFLAGS: --print-memory-usage --entry=__start -nostdlib --gc-sections --cref -Map=/home/thomas/nuttxspace/nuttx/nuttx.map NuttX configuration options: CONFIG_HOST_LINUX=y CONFIG_APPS_DIR=\../apps\ CONFIG_BASE_DEFCONFIG=\xmc4800-relax:nsh\ CONFIG_BUILD_FLAT=y CONFIG_INTELHEX_BINARY=y CONFIG_RAW_BINARY=y CONFIG_OUTPUT_STRIP_PATHS=y CONFIG_ARCH_HAVE_STDARG_H=y CONFIG_ARCH_HAVE_SETJMP=y CONFIG_ARCH_NONE_DEBUG_H=y CONFIG_FORTIFY_SOURCE=0 CONFIG_NDEBUG=y CONFIG_DEBUG_ALERT=y CONFIG_ARCH_HAVE_STACKCHECK=y CONFIG_STACK_USAGE_WARNING=0 CONFIG_ARCH_HAVE_CUSTOMOPT=y CONFIG_DEBUG_NOOPT=y CONFIG_LTO_NONE=y CONFIG_DEBUG_OPT_UNUSED_SECTIONS=y CONFIG_DEBUG_LINK_MAP=y CONFIG_ARCH_ARM=y CONFIG_ARCH=\arm\ CONFIG_ARM_TOOLCHAIN_GNU_EABI=y CONFIG_ARCH_CHIP_XMC4=y CONFIG_ARCH_ARMV7M=y CONFIG_ARCH_CORTEXM4=y CONFIG_ARCH_FAMILY=\armv7-m\ CONFIG_ARCH_CHIP=\xmc4\ CONFIG_ARM_THUMB=y CONFIG_ARM_HAVE_MPU_UNIFIED=y CONFIG_ARCH_HAVE_HARDFAULT_DEBUG=y CONFIG_ARCH_HAVE_MEMFAULT_DEBUG=y CONFIG_ARCH_HAVE_BUSFAULT_DEBUG=y CONFIG_ARCH_HAVE_USAGEFAULT_DEBUG=y CONFIG_ARMV7M_HAVE_STACKCHECK=y CONFIG_ARCH_CHIP_XMC4800=y CONFIG_XMC4_USIC=y CONFIG_XMC4_USCI_UART=y CONFIG_XMC4_USIC0=y CONFIG_XMC4_ECAT=y CONFIG_XMC4_ECAT_P0=y CONFIG_XMC4_USIC0_CHAN0_ISUART=y CONFIG_XMC4_USIC0_CHAN0_TX_BUFFER_SIZE=16 CONFIG_XMC4_USIC0_CHAN0_RX_BUFFER_SIZE=16 CONFIG_XMC4_USIC0_CHAN1_NONE=y CONFIG_ARCH_TOOLCHAIN_GNU=y CONFIG_ARCH_TOOLCHAIN_GCC=y CONFIG_ARCH_HAVE_IRQTRIGGER=y CONFIG_ARCH_HAVE_IRQPRIO=y CONFIG_ARCH_HAVE_FORK=y CONFIG_ARCH_HAVE_FPU=y CONFIG_ARCH_HAVE_MPU=y CONFIG_ARCH_HAVE_RESET=y CONFIG_ARCH_HAVE_TESTSET=y CONFIG_ARCH_HAVE_THREAD_LOCAL=y CONFIG_ARCH_HAVE_FETCHADD=y CONFIG_ARCH_HAVE_SYSCALL_HOOKS=y CONFIG_ARCH_HAVE_BACKTRACE=y CONFIG_ARCH_HAVE_DEBUG=y CONFIG_ARCH_HAVE_PERF_EVENTS=y CONFIG_ARCH_HAVE_CPUINFO=y CONFIG_ARCH_CPUINFO_FREQ_KHZ=0 CONFIG_ARCH_HAVE_TCBINFO=y CONFIG_ARCH_FPU=y CONFIG_ARCH_STACKDUMP=y CONFIG_ARCH_STACKDUMP_MAX_LENGTH=0 CONFIG_ARCH_HAVE_RAMFUNCS=y CONFIG_ARCH_HAVE_RAMVECTORS=y CONFIG_BOARD_LOOPSPERMSEC=8000 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y CONFIG_ARCH_INTERRUPTSTACK=2048 CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y CONFIG_BOOT_RUNFROMFLASH=y CONFIG_RAM_START=0x20000000 CONFIG_RAM_SIZE=65536 CONFIG_FLASH_START=0x0 CONFIG_FLASH_SIZE=0 CONFIG_ARCH_BOARD_XMC4800RELAX=y CONFIG_ARCH_BOARD=\xmc4800-relax\ CONFIG_ARCH_HAVE_LEDS=y CONFIG_ARCH_LEDS=y CONFIG_ARCH_HAVE_BUTTONS=y CONFIG_ARCH_BUTTONS=y CONFIG_ARCH_HAVE_IRQBUTTONS=y CONFIG_ARCH_IRQBUTTONS=y CONFIG_ECAT=y CONFIG_BOARD_CRASHDUMP_NONE=y CONFIG_BOARDCTL=y CONFIG_BOARDCTL_MKRD=y CONFIG_BOARD_MEMORY_RANGE=\\ CONFIG_DISABLE_OS_API=y CONFIG_ARCH_HAVE_TICKLESS=y CONFIG_USEC_PER_TICK=10000 CONFIG_START_YEAR=2014 CONFIG_START_MONTH=3 CONFIG_START_DAY=10 CONFIG_PREALLOC_TIMERS=4 CONFIG_IRQ_NWORKS=8 CONFIG_IRQ_WORK_SECTION=\\ CONFIG_IRQ_WORK_STACKSIZE=2048 CONFIG_INIT_ENTRY=y CONFIG_INIT_ARGS=\\ CONFIG_INIT_STACKSIZE=2048 CONFIG_INIT_PRIORITY=100 CONFIG_INIT_ENTRYPOINT=\nsh_main\ CONFIG_INIT_ENTRYNAME=\nsh_main\ CONFIG_RR_INTERVAL=200 CONFIG_TASK_NAME_SIZE=31 CONFIG_SCHED_WAITPID=y CONFIG_PTHREAD_MUTEX_ROBUST=y CONFIG_PTHREAD_MUTEX_DEFAULT_PRIO_NONE=y CONFIG_SCHED_CPULOAD_NONE=y CONFIG_SCHED_CPULOAD_TICKSPERSEC=100 CONFIG_SCHED_PROFILE_TICKSPERSEC=1000 CONFIG_SCHED_STACK_RECORD=0 CONFIG_DEV_CONSOLE=y CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=8 CONFIG_FILE_STREAM=y CONFIG_SIG_PREALLOC_ACTIONS=4 CONFIG_SIG_ALLOC_ACTIONS=1 CONFIG_SIG_PREALLOC_IRQ_ACTIONS=8 CONFIG_PREALLOC_MQ_MSGS=8 CONFIG_PREALLOC_MQ_IRQ_MSGS=8 CONFIG_MQ_MAXMSGSIZE=32 CONFIG_SCHED_WORKQUEUE=y CONFIG_SCHED_HPWORK=y CONFIG_SCHED_HPNTHREADS=1 CONFIG_SCHED_HPWORKPRIORITY=224 CONFIG_SCHED_HPWORKSTACKSIZE=2048 CONFIG_DEFAULT_TASK_STACKSIZE=2048 CONFIG_IDLETHREAD_STACKSIZE=1024 CONFIG_PTHREAD_STACK_MIN=256 CONFIG_PTHREAD_STACK_DEFAULT=2048 CONFIG_PID_INITIAL_COUNT=16 CONFIG_ARCH_HAVE_I2CRESET=y CONFIG_DEV_NULL=y CONFIG_DEV_ZERO=y CONFIG_DEV_OPTEE_NONE=y CONFIG_DRVR_MKRD=y CONFIG_ARCH_HAVE_RDWR_MEM_CPU_RUN=y CONFIG_SERIAL=y CONFIG_SERIAL_CONSOLE=y CONFIG_MCU_SERIAL=y CONFIG_STANDARD_SERIAL=y CONFIG_SERIAL_NPOLLWAITERS=4 CONFIG_UART0_SERIAL_CONSOLE=y CONFIG_UART0_SERIALDRIVER=y CONFIG_UART0_RXBUFSIZE=256 CONFIG_UART0_TXBUFSIZE=256 CONFIG_UART0_BAUD=115200 CONFIG_UART0_BITS=8 CONFIG_UART0_PARITY=0 CONFIG_UART0_2STOP=0 CONFIG_SYSLOG=y CONFIG_SYSLOG_DEFAULT_MASK=0xff CONFIG_SYSLOG_CRLF=y CONFIG_SYSLOG_MAX_CHANNELS=1 CONFIG_SYSLOG_DEVPATH=\/dev/ttyS1\ CONFIG_SYSLOG_DEFAULT=y CONFIG_FS_NEPOLL_DESCRIPTORS=8 CONFIG_FS_LOCK_BUCKET_SIZE=0 CONFIG_SENDFILE_BUFSIZE=512 CONFIG_FS_REFCOUNT=y CONFIG_FS_BACKTRACE=0 CONFIG_FS_MQUEUE_VFS_PATH=\/var/mqueue\ CONFIG_FS_MQUEUE_NPOLLWAITERS=4 CONFIG_FS_ANONMAP=y CONFIG_NXFONTS_PACKEDMSFIRST=y CONFIG_MM_DEFAULT_MANAGER=y CONFIG_MM_DEFAULT_ALIGNMENT=8 CONFIG_MM_REGIONS=1 CONFIG_MM_MAP_COUNT_MAX=1024 CONFIG_MM_BACKTRACE=-1 CONFIG_MM_FREE_DELAYCOUNT_MAX=0 CONFIG_MM_HEAP_BIGGEST_COUNT=30 CONFIG_MM_HEAP_MEMPOOL_THRESHOLD=-1 CONFIG_BINFMT_ELF_RELOCATABLE=y CONFIG_STDIO_BUFFER_SIZE=64 CONFIG_STDIO_LINEBUFFER=y CONFIG_NUNGET_CHARS=2 CONFIG_LIBC_FLOATINGPOINT=y CONFIG_LIBC_LONG_LONG=y CONFIG_ARCH_LOWPUTC=y CONFIG_LIBC_RAND_ORDER=1 CONFIG_LIBC_HOMEDIR=\/\ CONFIG_LIBC_TMPDIR=\/tmp\ CONFIG_LIBC_MAX_TMPFILE=32 CONFIG_LIBC_MAX_EXITFUNS=0 CONFIG_POSIX_SPAWN_DEFAULT_STACKSIZE=2048 CONFIG_LIBC_HOSTNAME=\\ CONFIG_LIBC_OPEN_MAX=256 CONFIG_NAME_MAX=32 CONFIG_PATH_MAX=256 CONFIG_LINE_MAX=64 CONFIG_LIBC_STRERROR_ERRNUM=y CONFIG_LIBC_STRSIGNAL=y CONFIG_LIBC_LOCALE=y CONFIG_TLS_NELEM=0 CONFIG_TLS_TASK_NELEM=0 CONFIG_TLS_NCLEANUP=0 CONFIG_LIBC_GAISTRERROR_ERRNUM=y CONFIG_LIBC_FTOK_VFS_PATH=\/var/ftok\ CONFIG_LIBC_MEMFD_ERROR=y CONFIG_LIBC_TEMPBUFFER=y CONFIG_LIBC_MAX_TEMPBUFFER=2 CONFIG_LIBC_TEMPBUFFER_MALLOC=y CONFIG_LIBC_MUTEX_BACKTRACE=0 CONFIG_BUILTIN=y CONFIG_STREAM_OUT_BUFFER_SIZE=64 CONFIG_STREAM_HEXDUMP_BUFFER_SIZE=128 CONFIG_STREAM_BASE64_BUFFER_SIZE=128 CONFIG_LIBC_INLINE_QUEUE=y CONFIG_LIBM_TOOLCHAIN=y CONFIG_HAVE_CXX=y CONFIG_HAVE_CXXINITIALIZE=y CONFIG_LIBCXXTOOLCHAIN=y CONFIG_LIBSUPCXX_TOOLCHAIN=y CONFIG_CXX_STANDARD=\c++17\ CONFIG_CXX_EXCEPTION=y CONFIG_CXX_RTTI=y CONFIG_BUILTIN_TOOLCHAIN=y CONFIG_COVERAGE_NONE=y CONFIG_COVERAGE_DEFAULT_PREFIX_STRIP=\99\ CONFIG_COVERAGE_DEFAULT_PREFIX=\/data\ CONFIG_PROFILE_NONE=y CONFIG_NSH_LIBRARY=y CONFIG_NSH_PROMPT_STRING=\nsh> \ CONFIG_NSH_PROMPT_MAX=32 CONFIG_NSH_PROMPT_ENV=\PS1\ CONFIG_NSH_PROMPT_SUFFIX=\> \ CONFIG_NSH_READLINE=y CONFIG_NSH_QUOTE=y CONFIG_NSH_MAXARGUMENTS=7 CONFIG_NSH_ARGCAT=y CONFIG_NSH_NESTDEPTH=3 CONFIG_NSH_ALIAS=y CONFIG_NSH_ALIAS_MAX_AMOUNT=1 CONFIG_NSH_BUILTIN_APPS=y CONFIG_NSH_DISABLE_DATE=y CONFIG_NSH_DISABLE_IFCONFIG=y CONFIG_NSH_DISABLE_IFUPDOWN=y CONFIG_NSH_DISABLE_LOSMART=y CONFIG_NSH_DISABLE_LOMTD=y CONFIG_NSH_DISABLE_MB=y CONFIG_NSH_DISABLE_MH=y CONFIG_NSH_DISABLE_MW=y CONFIG_NSH_DISABLE_PS=y CONFIG_NSH_DISABLE_TIMEDATECTL=y CONFIG_NSH_CODECS_BUFSIZE=128 CONFIG_NSH_CMDOPT_HEXDUMP=y CONFIG_NSH_FILEIOSIZE=512 CONFIG_NSH_SYSINITSCRIPT=\init.d/rc.sysinit\ CONFIG_NSH_INITSCRIPT=\init.d/rcS\ CONFIG_NSH_SCRIPT_REDIRECT_PATH=\\ CONFIG_NSH_CONSOLE=y CONFIG_NSH_ARCHINIT=y CONFIG_SYSTEM_NSH=y CONFIG_SYSTEM_NSH_PRIORITY=100 CONFIG_SYSTEM_NSH_STACKSIZE=2048 CONFIG_SYSTEM_NSH_PROGNAME=\nsh\ CONFIG_SYSTEM_READLINE=y CONFIG_READLINE_HAVE_EXTMATCH=y CONFIG_READLINE_ECHO=y CONFIG_TESTING_CXXTEST=y CONFIG_TESTING_RAMTEST=y CONFIG_TESTING_RAMTEST_PROGNAME=\ramtest\ CONFIG_TESTING_RAMTEST_PRIORITY=90 CONFIG_TESTING_RAMTEST_STACKSIZE=2048 Host system OS: Ubuntu 24.04.2 LTS Linux dank-engine 6.8.0-56-generic #58-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 14 15:33:28 UTC 2025 x86_64 x86_64 Host system PATH: /home/thomas/miniconda3/condabin /home/thomas/arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi/bin /home/thomas/.local/bin /usr/local/sbin /usr/local/bin /usr/sbin /usr/bin /sbin /bin /usr/games /usr/local/games /snap/bin /snap/bin ### Verification - [x] I have verified before submitting the 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