Re: undefined reference to __ssputws_r with --specs=nano.specs

Hi again,

Anyone having some insights on the below question?

Kind regards,
Torbjörn

On 2024-02-06 18:40, Torbjorn SVENSSON wrote:
> Hi,
> 
> I noticed that a lot of testcases fails when running the GCC testsuite 
> with --specs=nano.specs.
> Below is an example that fails with --specs=nano.specs:
> 
> $ /build/13-head-bin/bin/arm-none-eabi-g++ 
> /build/gcc13_src/gcc/testsuite/g++.dg/coroutines/pr100611.C -std=c++20 
> --specs=nosys.specs -o /dev/null --specs=nano.specs
> /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/bin/ld: /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/lib/libc_nano.a(libc_a-svfwprintf.o): in function `_svfwprintf_r':
> (.text._svfwprintf_r+0xd8): undefined reference to `__ssputws_r'
> /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/bin/ld: (.text._svfwprintf_r+0x834): undefined reference to `__ssputws_r'
> /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/bin/ld: (.text._svfwprintf_r+0x85c): undefined reference to `__ssputws_r'
> /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/bin/ld: (.text._svfwprintf_r+0x8a8): undefined reference to `__ssputws_r'
> /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/bin/ld: (.text._svfwprintf_r+0x8dc): undefined reference to `__ssputws_r'
> /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/bin/ld: /build/13-head-bin/bin/../lib/gcc/arm-none-eabi/13.2.1/../../../../arm-none-eabi/lib/libc_nano.a(libc_a-svfwprintf.o):(.text._svfwprintf_r+0x900): more undefined references to `__ssputws_r' follow
> collect2: error: ld returned 1 exit status
> 
> 
> The newlib nano is configured with:
> 
> --disable-newlib-supplied-syscalls
> --enable-newlib-reent-check-verify
> --enable-newlib-reent-small
> --enable-newlib-retargetable-locking
> --disable-newlib-fvwrite-in-streamio
> --disable-newlib-fseek-optimization
> --disable-newlib-wide-orient
> --enable-newlib-nano-malloc
> --disable-newlib-unbuf-stream-opt
> --enable-lite-exit
> --enable-newlib-global-atexit
> --enable-newlib-nano-formatted-io
> --disable-nls
> 
> 
> Is it expected that the symbol __ssputws_r is referenced but not 
> provided when (I presume this is the reason) 
> --enable-newlib-nano-formatted-io and --disable-newlib-wide-orient is used?
> 
> Kind regards,
> Torbjörn