On Sun, 16 Mar 2025 at 21:54, Jonathan Wakely <jwak...@redhat.com> wrote: > > On Sun, 16 Mar 2025 at 13:16, <ci_not...@linaro.org> wrote: > > > > Dear contributor, > > > > Our automatic CI has detected problems related to your patch(es). Please > > find some details below. > > > > In arm-eabi cortex-m23 soft, after: > > | commit gcc-15-8035-g7ee31bc9276 > > | Author: Jonathan Wakely <jwak...@redhat.com> > > | Date: Thu Mar 13 13:34:55 2025 +0000 > > | > > | libstdc++: Implement <stdbit.h> for C++26 (P3370R1) > > | > > | This is the first part of the P3370R1 proposal just approved by the > > | committee in Wrocław. This adds C++ equivalents of the functions > > added > > | to C23 by WG14 N3022. > > | ... 16 lines of the commit log omitted. > > > > Produces 2 regressions: > > | > > | regressions.sum: > > | Running libstdc++:libstdc++-dg/conformance.exp ... > > | FAIL: 20_util/stdbit/1.cc -std=gnu++26 (test for excess errors) > > | UNRESOLVED: 20_util/stdbit/1.cc -std=gnu++26 compilation failed to > > produce executable > > > > Used configuration : > > *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv8-m.base > > -mtune=cortex-m23 -mfloat-abi=soft -mfpu=auto > > *configure and test flags:* --target arm-eabi --disable-multilib > > --with-mode=thumb --with-cpu=cortex-m23 --with-float=soft > > --target_board=-mthumb/-march=armv8-m.base/-mtune=cortex-m23/-mfloat-abi=soft/-mfpu=auto > > qemu_cpu=cortex-m33 > > > > We track this bug report under > > https://linaro.atlassian.net/browse/GNU-1543. Please let us know if you > > have a fix. > > All the errors are of the form: > error: 'ULLONG_MAX' was not declared in this scope > but the test includes <limits.h>. > > So this target doesn't support long long? Or just doesn't define ULLONG_MAX? >
It does... I've manually reproduced it, and ISTM the problem is __STDC_VERSION__ is not defined, as gcc/glimits.h expects: https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/glimits.h;h=d5877602bf741383cfddb13236fbba1cf0b5b520;hb=HEAD#l102 Compiling ============== #include <limits.h> unsigned long long var = ULLONG_MAX; ================ works with the same compiler, in C mode. But why would that work on arm-linux-gnueabihf and not on arm-none-eabi? Christophe > _______________________________________________ > linaro-toolchain mailing list -- linaro-toolchain@lists.linaro.org > To unsubscribe send an email to linaro-toolchain-le...@lists.linaro.org _______________________________________________ linaro-toolchain mailing list -- linaro-toolchain@lists.linaro.org To unsubscribe send an email to linaro-toolchain-le...@lists.linaro.org
