On Sat, May 11, 2024 at 12:25 PM Richard Henderson <richard.hender...@linaro.org> wrote: > > On 5/11/24 12:11, Dario Binacchi wrote: > > Gentle ping. > > Gentle reminder that I strongly suspect that your buildroot is corrupt. > There *should* be a <fenv.h> present.
I don't think so. In fact, the patch has already been merged into Buildroot: https://patchwork.ozlabs.org/project/buildroot/patch/20240502072327.741463-1-dario.binac...@amarulasolutions.com/ As mentioned earlier: "The fenv support is not enabled in our default uClibc configurations" https://lists.buildroot.org/pipermail/buildroot/2013-May/072440.html Thanks and regards, Dario > > > r~ > > > > > Thanks, > > Dario > > > > On Wed, May 1, 2024 at 4:17 PM Dario Binacchi > > <dario.binac...@amarulasolutions.com> wrote: > >> > >> Hello Richard, > >> > >> On Wed, May 1, 2024 at 3:31 PM Richard Henderson > >> <richard.hender...@linaro.org> wrote: > >>> > >>> On 5/1/24 05:18, Dario Binacchi wrote: > >>>> Hello Richard, > >>>> > >>>> On Tue, Apr 30, 2024 at 8:15 PM Richard Henderson > >>>> <richard.hender...@linaro.org> wrote: > >>>>> > >>>>> On 4/30/24 09:47, Dario Binacchi wrote: > >>>>>> The fp-bench test (i. e. tests/fp/fp-bench.c) use fenv.h that is not > >>>>>> always provided by the libc (uClibc). The patch disables its > >>>>>> compilation > >>>>>> in case the header is not available. > >>>>> > >>>>> Since uclibc has had fenv.h since 2008, are you sure this isn't simply > >>>>> a case of a corrupt > >>>>> installation? > >>>> > >>>>> > >>>>> > >>>>> r~ > >>>> > >>>> It's not an issue of corrupted installation but rather of compilation: > >>> > >>> Installation of your cross-compiler or buildroot, I mean. > >>> > >>>> > >>>> ../tests/fp/fp-bench.c:15:10: fatal error: fenv.h: No such file or > >>>> directory > >>>> 15 | #include <fenv.h> > >>>> | ^~~~~~~~ > >>>> compilation terminated. > >>> > >>> Yes, yes. However, <fenv.h> is present in uclibc-ng, and has been since > >>> 2008. > >>> So *why* is fenv.h not present? > >> > >> I found the fenv.h files here: > >> out/emulator/host/opt/ext-toolchain/i686-buildroot-linux-uclibc/include/c++/11.3.0/tr1/fenv.h > >> out/emulator/host/opt/ext-toolchain/i686-buildroot-linux-uclibc/include/c++/11.3.0/fenv.h > >> > >> But the compiler expects them in: > >> out/emulator/host/i686-buildroot-linux-uclibc/sysroot/usr/include/ > >> > >> So, I think that the fenv support has not been enabled in uClibc > >> configuration of Buildroot. > >> > >> Thanks and regards, > >> Dario > >> > >>> > >>> > >>> r~ > >> > >> > >> > >> -- > >> > >> Dario Binacchi > >> > >> Senior Embedded Linux Developer > >> > >> dario.binac...@amarulasolutions.com > >> > >> __________________________________ > >> > >> > >> Amarula Solutions SRL > >> > >> Via Le Canevare 30, 31100 Treviso, Veneto, IT > >> > >> T. +39 042 243 5310 > >> i...@amarulasolutions.com > >> > >> www.amarulasolutions.com > > > > > > > -- Dario Binacchi Senior Embedded Linux Developer dario.binac...@amarulasolutions.com __________________________________ Amarula Solutions SRL Via Le Canevare 30, 31100 Treviso, Veneto, IT T. +39 042 243 5310 i...@amarulasolutions.com www.amarulasolutions.com
