[Bug c++/97222] GCC discards attributes aligned and may_alias for typedefs passed as template arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97222 Mateusz Zych changed: What|Removed |Added See Also||https://bugs.llvm.org/show_

[Bug c++/97222] New: GCC discards attributes aligned and may_alias for typedefs passed as template arguments

Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: mte.zych at gmail dot com Target Milestone: --- Hello! GCC discards aligned attribute, applied on a typdef, when it's passed as a template argument. Compiler

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #11 from Mateusz Zych --- Oh, I forgot to mention that I've also tested this configuration: HOST=x86_64-abc-linux-gnu TARGET=x86_64-xyz-linux-gnu and it worked without any issues. I don't understand why would these

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #10 from Mateusz Zych --- Created attachment 46005 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46005=edit Build log of first GCC, ending on compilation failure of libstdc++-v3.

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #9 from Mateusz Zych --- Hi ;) I've analysed this issue further and tested all combinations of different vendors in host and target triplets. Here are the results: +---+ |

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #8 from Mateusz Zych --- Created attachment 45901 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45901=edit Script creating standalone GNU toolchain for C++.

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #7 from Mateusz Zych --- Hi Joseph, ;) Thank you very much for your advice - it was really helpful! I've managed to implement a script creating standalone GNU toolchain for C++: -

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 Mateusz Zych changed: What|Removed |Added Status|RESOLVED|UNCONFIRMED Resolution|INVALID

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #4 from Mateusz Zych --- Right, the "--with-sysroot=" configuration parameter is the key. The sysroot directory defines minimal filesystem of a target machine, in particular it should contain standard C library and Linux kernel

[Bug driver/87769] GCC build from source uses headers and libraries from directories host machine.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87769 --- Comment #2 from Mateusz Zych --- Hi Andrew ;) Thanks for your reply. You are right that, in order to create standalone GCC, I need to provide C standard library, because GCC can work with various C standard library implementations. The GNU

[Bug driver/87769] New: GCC build from source uses headers and libraries from directories host machine.

: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: mte.zych at gmail dot com Target Milestone: --- Hi ;) I'm building GCC from source using the following commands: $ cd /home/mzych $ git clone https://github.com