Hi all,
I wonder if my compiler supports C++11? If not, where could I found the compiler supports c++11 (both 32bit and 64bit arm).
THANKS a lot~~~
My compiler information is as below:
wentao@ubuntu:~/test/lamda$ arm-eabi-g++ -v
Using built-in specs.
COLLECT_GCC=arm-eabi-g++
COLLECT_LTO_WRAPPER=/home/wentao/TeeOS/tools/gcc-linaro-6.3.1-2017.05-x86_64_arm-eabi/bin/../libexec/gcc/arm-eabi/6.3.1/lto-wrapper
Target: arm-eabi
Configured with: '/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/snapshots/gcc.git~linaro-6.3-2017.05/configure' SHELL=/bin/bash --with-mpc=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-mpfr=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gmp=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared --without-included-gettext --enable-nls --disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id --disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no --with-isl=no --enable-multilib --with-multilib-list=aprofile --enable-threads=no --disable-multiarch --with-newlib --with-build-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/sysroots/arm-eabi --with-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu/arm-eabi/libc --enable-checking=release --disable-bootstrap --enable-languages=c,c++,lto --build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu --target=arm-eabi --prefix=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-eabi/_build/builds/destdir/x86_64-unknown-linux-gnu
Thread model: single
gcc version 6.3.1 20170404 (Linaro GCC 6.3-2017.05)
wentao@ubuntu:~/test/lamda$
===>
And more, I wrote a "hello-world" program using c++11, it could work with host g++, but when I change to "arm-eabi-g++", it does not work.
Information as below:
wentao@ubuntu:~/test/lamda$ cat a.cc
#include <iostream>
using namespace std;
typedef void(*Func)();
int main()
{
Func f = [=]() {
cout <<"Hello world"<<endl;
};
f();
return 0;
}
wentao@ubuntu:~/test/lamda$ g++ a.cc -o host
a.cc: In function 'int main()':
a.cc:10:2: warning: lambda expressions only available with -std=c++11 or -std=gnu++11 [enabled by default]
};
^
wentao@ubuntu:~/test/lamda$ ./host
Hello world
wentao@ubuntu:~/test/lamda$ arm-eabi-g++ a.cc -o arm32
a.cc: In function 'int main()':
a.cc:10:2: error: cannot convert 'main()::<lambda()>' to 'Func {aka void (*)()}' in initialization
};
^
wentao@ubuntu:~/test/lamda$ arm-eabi-g++ --std=gnu++11 a.cc -o arm32 # if gives -std=c++11 , the error is the same.
a.cc: In function 'int main()':
a.cc:10:2: error: cannot convert 'main()::<lambda()>' to 'Func {aka void (*)()}' in initialization
};
^
wentao@ubuntu:~/test/lamda$
o 3 days off
== Progress ==
o LLVM
* TCWG-1317 (lencod miscompilation on clang-native-arm-lnt-perf bot):
- Can't reproduce the miscompilation on the builder at
a revision where it should
- Issue fixed on the bot
* TCWG-1324 (failures of Clang::atomic_ops.c and frem.ll on armv8l host):
- Built the toolchains and start to investigate
* Buildbots babysitting:
- Investigate and reported upstream regressions
o Misc
* Catch-up after vacations
== This Week ==
* GCC bugs (8/10)
a) PR83501 - Committed to trunk.
b) PR82665 - Upstream iteration, waiting for final approval.
c) PR83648 - Upstream iteration.
d) PR81703 - Created a fix.
e) PR83661 - Work in progress patch.
* Public Holiday (2/10)
== Next Week ==
- Continue ongoing tasks
* 1 day off (Monday)
== Progress ==
* GCC
- FDPIC
- debugging crash during program startup (self-relocation)
- fixed linker assert when using -static
* GCC upstream validation:
- reported a couple of regressions
- incremental improvements for more robustness, and easier
configuration of validations
* Infrastructure:
* misc (conf-calls, meetings, emails, ....)
== Next ==
* GCC/FDPIC
* GCC upstream validation
* New year holiday
# Progress #
* GDB 8.1 release.
8.1 branch is created. Fix GDB and GDBserver build failure in
release mode. Patches are posted.
Looking at several test fails caused by new GCC emitting multiple
line entries for the same line but with different columns, like,
i = 1; j = 2;
GDB can't step over the whole source line, and program stops at the
middle of the source line.
# Plan #
* GDB 8.1 release.
* Resume my pending patches on removing MAX_REGISTER_SIZE.
--
Yao Qi
Hi,
I am using the following linaro toolchain and need to create a license
manifest in terms what are the packages are there, what license they use.
https://releases.linaro.org/components/toolchain/binaries/
5.2-2015.11-2/aarch64-linux-gnu/
I don't see any such manifest in the release archive nor in the toolchain
archive. If such manifest is available then would you please point me to it.
--
*Ronak A Desai*
1 day off (Friday)
== Progress ==
* GCC
- FDPIC
- debugging crash during program startup (self-relocation), and
linker assert when using -static
* GCC upstream validation:
- reported a couple of regressions, tested a couple of patches for upstream
- incremental improvements for more robustness, and easier
configuration of validations
* Infrastructure:
* misc (conf-calls, meetings, emails, ....)
== Next ==
Holidays until Jan 2nd, 2018
Merry Christmas and happy new year!
# Progress #
* GDB 8.1 release. [2/10]
Triage regressions on aarch64 and arm.
* PR 21698. [3/10]
During the patch review, I doubt the patch fixes an invalid
python use in gdb. The GDB doc is quite unclear on how
that python api should be used. Ask the python api owner to
clarify.
* Misc, [5/10]
Two days travel to Manchester.
# Plan #
* GDB 8.1 release. Fix regressions.
--
Yao Qi
