Try to remove CONFIG_ARCH_FLOAT_H On Tue, Mar 16, 2021 at 12:15 PM Flavio Castro Alves Filho < flavio.al...@gmail.com> wrote:
> Hello Xiang, > > It is still not working. The error persists. > > Here is my defconfig file: > > # > # This file is autogenerated: PLEASE DO NOT EDIT IT. > # > # You can use "make menuconfig" to make any modifications to the > installed .config file. > # You can then do "make savedefconfig" to generate a new defconfig > file that includes your > # modifications. > # > # CONFIG_ARCH_FPU is not set > CONFIG_ARCH="arm" > CONFIG_ARCH_BOARD="stm32f4discovery" > CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y > CONFIG_ARCH_CHIP="stm32" > CONFIG_ARCH_CHIP_STM32=y > CONFIG_ARCH_CHIP_STM32F407VG=y > CONFIG_ARCH_FLOAT_H=y > CONFIG_ARCH_STACKDUMP=y > CONFIG_BOARD_LOOPSPERMSEC=16717 > CONFIG_BUILTIN=y > CONFIG_C99_BOOL8=y > CONFIG_DISABLE_MOUNTPOINT=y > CONFIG_EXAMPLES_HELLOXX=y > CONFIG_HAVE_CXX=y > CONFIG_INTELHEX_BINARY=y > CONFIG_LIBCXX=y > CONFIG_LIBC_FLOATINGPOINT=y > CONFIG_LIBC_LOCALTIME=y > CONFIG_MAX_TASKS=16 > CONFIG_MM_REGIONS=2 > CONFIG_NFILE_DESCRIPTORS=8 > CONFIG_NSH_BUILTIN_APPS=y > CONFIG_NSH_FILEIOSIZE=512 > CONFIG_PREALLOC_TIMERS=4 > CONFIG_RAM_SIZE=114688 > CONFIG_RAM_START=0x20000000 > CONFIG_RAW_BINARY=y > CONFIG_RR_INTERVAL=200 > CONFIG_SCHED_ONEXIT=y > CONFIG_SCHED_ONEXIT_MAX=4 > CONFIG_SCHED_WAITPID=y > CONFIG_SDCLONE_DISABLE=y > CONFIG_START_DAY=2 > CONFIG_START_MONTH=11 > CONFIG_START_YEAR=2012 > CONFIG_STM32_JTAG_SW_ENABLE=y > CONFIG_STM32_USART2=y > CONFIG_SYMTAB_ORDEREDBYNAME=y > CONFIG_SYSTEM_NSH=y > CONFIG_USART2_RXBUFSIZE=128 > CONFIG_USART2_SERIAL_CONSOLE=y > CONFIG_USART2_TXBUFSIZE=128 > CONFIG_USER_ENTRYPOINT="nsh_main" > > Any idea of what is missing? > > Best regards, > > Flavio > > Em ter., 16 de mar. de 2021 às 14:32, Xiang Xiao > <xiaoxiang781...@gmail.com> escreveu: > > > > On Tue, Mar 16, 2021 at 10:20 AM Flavio Castro Alves Filho < > > flavio.al...@gmail.com> wrote: > > > > > Hello Xiang, > > > > > > Em ter., 16 de mar. de 2021 às 14:01, Xiang Xiao > > > <xiaoxiang781...@gmail.com> escreveu: > > > > > > > > On Tu > > > > > > > > > This project use the modern C++ feature, so you must enable llvm > > > > ibc++(CONFIG_LIBCXX=y) > > > > > > I tried a new build, executing: > > > > > > $ make distclean > > > $ ./tools/configure.sh -l stm32f4discovery:testlibcxx > > > $ make > > > > > > I can see the library being downloaded from git, but it is not > compiling. > > > > > > In file included from > > > /home/ubuntu/nuttx_ws/nuttx/include/libcxx/random:1637, > > > from libcxx/src/random.cpp:16: > > > /home/ubuntu/nuttx_ws/nuttx/include/libcxx/cmath: At global scope: > > > /home/ubuntu/nuttx_ws/nuttx/include/libcxx/cmath:321:9: error: > > > '::signbit' has not been declared > > > 321 | using ::signbit; > > > | ^~~~~~~ > > > /home/ubuntu/nuttx_ws/nuttx/include/libcxx/cmath:322:9: error: > > > '::fpclassify' has not been declared > > > 322 | using ::fpclassify; > > > | ^~~~~~~~~~ > > > /home/ubuntu/nuttx_ws/nuttx/include/libcxx/cmath:326:9: error: > > > '::isnormal' has not been declared > > > 326 | using ::isnormal; > > > | ^~~~~~~~ > > > /home/ubuntu/nuttx_ws/nuttx/include/libcxx/cmath:327:9: error: > > > '::isgreater' has not been declared > > > 327 | using ::isgreater; > > > > > > How should I solve this issue? > > > > > > > CONFIG_LIBM has to be disabled, since NuttX match library implementation > > lacks many standard defined functions which is required by the new libc++ > > library. > > > > > > > > > > > > > > > > You need tell compiler stop to search the toolchain provided c++ > library > > > > by -nostdinc++ > > > > > > > > > > I believe it will solve my cmake issue. > > > > > > Best regards, > > > > > > Flavio > > > > > > > -- > Flavio de Castro Alves Filho > > flavio.al...@gmail.com > Twitter: http://twitter.com/#!/fraviofii > LinkedIn profile: www.linkedin.com/in/flaviocastroalves >
