Good news. It will be great if you can document your experience in the Documentation folder when you find some free time.
On Wed, Mar 17, 2021 at 9:54 PM Flavio Castro Alves Filho < flavio.al...@gmail.com> wrote: > Hello Xiang, > > I could finally build an C++ project using CMake and exported NuttX. > - Before that, I made a test creating the same project inside the > NuttX apps structure, and it worked fine. > > My sample project is here: > https://github.com/Phi-Innovations/nuttx-apps/tree/main/hellocpp > > I compiled JsonCpp (https://github.com/nlohmann/json) together and it > worked fine. > > Thank you for all your support. > > Best regards, > > Flavio > > > Em ter., 16 de mar. de 2021 às 21:04, Flavio Castro Alves Filho > <flavio.al...@gmail.com> escreveu: > > > > Xiang, > > > > I believe the problem was related to something on my branch. > > > > I was using a quite old version, based on release 10 branch. > > > > Now using master as branch, the testlibcxx compiled correctly. > > Tomorrow I will try my experiments and report here. > > > > Best regards, > > > > Flavio > > > > Em ter., 16 de mar. de 2021 às 16:24, Xiang Xiao > > <xiaoxiang781...@gmail.com> escreveu: > > > > > > 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 > > > > > > > > > > > > -- > > Flavio de Castro Alves Filho > > > > flavio.al...@gmail.com > > Twitter: http://twitter.com/#!/fraviofii > > LinkedIn profile: www.linkedin.com/in/flaviocastroalves > > > > -- > Flavio de Castro Alves Filho > > flavio.al...@gmail.com > Twitter: http://twitter.com/#!/fraviofii > LinkedIn profile: www.linkedin.com/in/flaviocastroalves >
