On Mon, 27 Dec 2021 13:34:52 +0300
Фёдар Стрыжнёў (Fiodar Stryzhniou) via Gcc-help <gcc-help@xxxxxxxxxxx> wrote:
> On Sun, 26 Dec 2021 23:31:09 +0000
> Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote:
>
> > On Sun, 26 Dec 2021, 23:01 Fiodar Stryzhnoiu via Gcc-help, <
> > gcc-help@xxxxxxxxxxx> wrote:
> >
> > > I build baremetal crosscompiler for Symbian. That means no libc used in
> > > any way. For Symbian libc is usual library. It has two libc ports for now.
> > >
> > > Here build config:
> > > export TARGET=arm-none-symbianelf
> > > # Installation folder
> > > export GCCC=gcc-11.2.0
> > >
> > > # needed enviroment-free statically linked GCC
> > > ICONV=--with-libiconv-prefix=/usr/local
> > >
> > > export PREFIX=/usr/local/$GCCC
> > > export PATH=$PATH:$PREFIX/bin
> > > unset CFLAGS
> > > export CFLAGS+="-pipe -Wl,-Bstatic"
> > > MAKEJOBS=-j"${NUMBER_OF_PROCESSORS}"
> > > #set SHELL=cmd.exe allow parallel build on windows
> > > set SHELL=cmd.exe
> > >
> > > cd build-gcc
> > >
> > > ../$GCCC/./configure --target=$TARGET --prefix=$PREFIX --without-headers
> > > \
> > > --enable-languages="c,c++,lto" --enable-poison-system-directories \
> > > --enable-lto --with-newlib --enable-long-long $ICONV \
> > > --with-dwarf2 --enable-interwork --enable-tls --enable-multilib \
> > > --disable-hosted-libstdcxx --disable-libstdcxx-pch \
> > > --disable-option-checking --disable-threads --disable-nls \
> > > --disable-win32-registry --disable-libssp --disable-shared \
> > > --enable-wchar_t --enable-extra-sgxxlite-multilibs --enable-c99 \
> > > --with-static-standard-libraries
> > > make $MAKEJOBS -k 2> make-gcc.log
> > > make -k install-strip 2> install-gcc.log
> > >
> > > Here full list warnings and error while build GCC for Symbian:
> > >
> > > 1. configure: WARNING: using in-tree isl, disabling version check(long
> > > ago, maybe even 5.4.0)
> > >
> >
> > This is not a problem. It's just telling you that it isn't doing a version
> > check. If you're using a suitable version of isl, there is no problem.
> > Using isl is completely optional anyway, you can build GCC without it.
> >
> >
> >
> > > 2. After several minutes build hang if "make -jX" used(long ago, maybe
> > > even 5.4.0). One make.exe uses cpu other don't. Build continues immediatly
> > > if right make killed. Windows itself response ok. Log before hang:
> > >
> >
> > This is unlikely to be a problem with GCC, it's more likely to be a bug in
> > Make on your OS. If it's a GCC process (or one of it's scripts like
> > fixincludes) which hangs then that would be a GCC problem.
> >
> >
> > 3. Many warnings for every file:
> > > ../../gcc-11.2.0/./gcc/mem-stats.h:215:72: warning: ISO C++11 does not
> > > support the 'I64' ms_printf length modifier [-Wformat=]
> > > get_percent (m_times, total.m_times), loc->m_ggc ? "ggc" : "heap");
> > >
> > > ../../gcc-11.2.0/./gcc/pretty-print.h: In function 'void
> > > pp_wide_integer(pretty_printer*, long long int)':
> > > ../../gcc-11.2.0/./gcc/pretty-print.h:329:60: warning: ISO C++11 does not
> > > support the 'I64' ms_printf length modifier [-Wformat=]
> > > sprintf (pp_buffer (PP)->digit_buffer, FORMAT, SCALAR); \
> > >
> > > ../../gcc-11.2.0/./gcc/alloc-pool.h:76:31: warning: ISO C++11 does not
> > > support the 'I64' ms_printf length modifier [-Wformat=]
> > >
> > > ../../gcc-11.2.0/./gcc/bitmap.h:252:34: warning: ISO C++11 does not
> > > support the 'I64' ms_printf length modifier [-Wformat=]
> > >
> > > ../../gcc-11.2.0/./gcc/lto-streamer.c:179:42: warning: ISO C++11 does not
> > > support the 'I64' ms_printf length modifier [-Wformat=]
> > >
> >
> > You can ignore those.
> >
> > 4. got build-gcc\mpfr\src\.libs\mpfr.a but has in logs:
> > > configure:14288: error: possibly undefined macro: AX_PTHREAD
> > > If this token and others are legitimate, please use m4_pattern_allow.
> > > See the Autoconf documentation.
> > > make[2]: *** [../../gcc-11.2.0/./mpfr/configure] Error 1
> > > make[2]: Failed to remake makefile `Makefile'.
> > > libtool: warning: undefined symbols not allowed in i686-pc-mingw32 shared
> > > libraries; building static only
> > > make[1]: *** [all-mpfr] Error 2
> > > make[1]: Target `all-host' not remade because of errors.
> > > make[1]: Target `all-target' not remade because of errors.
> > > make: *** [all] Error 2
> > >
> > > 5. Another hang in libgcc if "make -jX":
> > >
> >
> > [...]
> >
> > 6. Bunch warnings and errors:
> > > /bin/install: cannot stat `crtfastmath.o': No such file or directory
> > > configure: WARNING: No native atomic operations are provided for this
> > > platform.
> > > configure: WARNING: They cannot be faked when thread support is disabled.
> > > configure: WARNING: Thread-safety of certain classes is not guaranteed.
> > > configure: WARNING: stdbool.h: present but cannot be compiled
> > > configure: WARNING: stdbool.h: check for missing prerequisite headers?
> > > configure: WARNING: stdbool.h: see the Autoconf documentation
> > > configure: WARNING: stdbool.h: section "Present But Cannot Be Compiled"
> > > configure: WARNING: stdbool.h: proceeding with the compiler's result
> > > configure: WARNING: stdalign.h: present but cannot be compiled
> > > configure: WARNING: stdalign.h: check for missing prerequisite headers?
> > > configure: WARNING: stdalign.h: see the Autoconf documentation
> > > configure: WARNING: stdalign.h: section "Present But Cannot Be
> > > Compiled"
> > > configure: WARNING: stdalign.h: proceeding with the compiler's result
> > > configure: error: computing EOF failed
> > > make[1]: *** [configure-target-libstdc++-v3] Error 1
> > > make[1]: Target `all-target' not remade because of errors.
> > > make: *** [all] Error 2
> > >
> > > 7. Errors for computing EOF, SEEK_CUR, and SEEK_END:
> > > checking for the value of EOF... configure: error: computing EOF failed
> > > make: *** [configure-target-libstdc++-v3] Error 1
> > > Why they needed in bare metal compiler?
> > >
> >
> > You're doing a 3-stage bootstrap, so GCC needs a hosted libstdc++ to build
> > itself. I think only the final stage will be freestanding. Try
> > --disable-bootstrap to avoid that.
> That helps.
>
> Can't build libsupc++ at all. "make install-strip-target-libstdc++-v3" output:
> make[3]: Leaving directory `/d/mbuild/src/build-gcc/arm-none-symbianelf/v5te/softfp/libgcc'
> make[2]: Leaving directory `/d/mbuild/src/build-gcc/arm-none-symbianelf/libgcc'
> make[1]: Leaving directory `/d/mbuild/src/build-gcc/arm-none-symbianelf/libgcc'
> make[1]: Entering directory `/d/mbuild/src/build-gcc/arm-none-symbianelf/libstdc++-v3'
> make[1]: *** No rule to make target `install'. Stop.
> make[1]: Leaving directory `/d/mbuild/src/build-gcc/arm-none-symbianelf/libstdc++-v3'
> make: *** [install-target-libstdc++-v3] Error 2
>
> -----
> Фёдар Стрыжнёў(Fiodar Stryzhniou) <fedor_qd@xxxxxxx>
Any help, please?
-----
Fiodar Stryzhnoiu <fedor_qd@xxxxxxx>
