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Sender	Message	Time
3 Jan 2025
Artturin	1 `buildPackages` instead of 2 for python3 because it's used directly and not in `nativeBuildInputs` and `__splicedPackages` in case it's used in a dependency attribute in the future.	16:54:25
lzcunt	ah testing it rn	16:54:48
Artturin	C compiler for the build machine: gcc (gcc 14.2.1 "gcc (GCC) 14.2.1 20241116") C linker for the build machine: gcc ld.bfd 2.43.1 C++ compiler for the build machine: g++ (gcc 14.2.1 "g++ (GCC) 14.2.1 20241116") C++ linker for the build machine: g++ ld.bfd 2.43.1 C compiler for the host machine: x86_64-unknown-linux-mlibc-gcc (gcc 14.2.1 "x86_64-unknown-linux-mlibc-gcc (GCC) 14.2.1 20241116") C linker for the host machine: x86_64-unknown-linux-mlibc-gcc ld.bfd 2.43.1 meson.build:69:1: ERROR: Unknown compiler(s): [['x86_64-unknown-linux-mlibc-g++']] The following exception(s) were encountered: Running `x86_64-unknown-linux-mlibc-g++ --version` gave "[Errno 2] No such file or directory: 'x86_64-unknown-linux-mlibc-g++'"	16:55:26
lzcunt	yep that happened to me too when I tried `buildPackages.buildPackages.meson`	16:55:53
lzcunt	no wait this is different to the error that I saw when this happened	16:56:46
lzcunt	* no wait this is different to the error that I saw when that happened	16:57:15
lzcunt	* no wait this is different to the error that I saw when I tried that	16:57:21
Artturin	$ nix build ".#pkgsCross.x86_64-linux-mlibc.mlibc.stdenv.cc" $ ls result/bin  x86_64-unknown-linux-mlibc-addr2line@  x86_64-unknown-linux-mlibc-cc@  x86_64-unknown-linux-mlibc-gcc*  x86_64-unknown-linux-mlibc-ld.gold@  x86_64-unknown-linux-mlibc-ranlib@  x86_64-unknown-linux-mlibc-strip@  x86_64-unknown-linux-mlibc-ar@  x86_64-unknown-linux-mlibc-cpp*  x86_64-unknown-linux-mlibc-gprof@  x86_64-unknown-linux-mlibc-nm@  x86_64-unknown-linux-mlibc-readelf@  x86_64-unknown-linux-mlibc-as@  x86_64-unknown-linux-mlibc-dwp@  x86_64-unknown-linux-mlibc-ld@  x86_64-unknown-linux-mlibc-objcopy@  x86_64-unknown-linux-mlibc-size@  x86_64-unknown-linux-mlibc-c++filt@  x86_64-unknown-linux-mlibc-elfedit@  x86_64-unknown-linux-mlibc-ld.bfd@  x86_64-unknown-linux-mlibc-objdump@  x86_64-unknown-linux-mlibc-strings@	16:58:13
Artturin	No g++ there or bintools	16:58:30
Artturin	* No g++ there or cc.bintools	16:58:35
Artturin	* No g++ there or .cc.bintools	16:58:40
Artturin	the underlying `cc` .cc.cc` doesn't have g++ and some other tools that native .cc.cc has	16:59:55
Artturin	* the unwrapped `cc` .cc.cc` doesn't have g++ and some other tools that native .cc.cc has	17:00:03
lzcunt	then gcc is not built with --enable-languages=c++?	17:02:51
lzcunt	tbh I didn't expect it to go this far, there's gcc patches needed	17:03:21
Artturin	Should be but `nix-repl> pkgsCross.x86_64-linux-mlibc.stdenv.cc.cc.langCC true` `--enable-languages=c`	17:04:31
Artturin	* `nix-repl> pkgsCross.x86_64-linux-mlibc.stdenv.cc.cc.langCC true` Should be but `--enable-languages=c`	17:04:42
Artturin	`--enable-languages=c\,c++` `nix log ".#stdenv.cc.cc"`	17:05:03
Artturin	* `--enable-languages=c\,c++` in `nix log ".#stdenv.cc.cc"`	17:05:08
Artturin	https://github.com/NixOS/nixpkgs/blob/8adbfd92518a59f18a8216c4b13a11cedc16abf0/pkgs/development/compilers/gcc/common/configure-flags.nix#L167	17:05:48
Artturin	The `configure flags:` in the log is printed by configurePhase and not gcc's buildSystem	17:06:29
Artturin	* The `configure flags:` in the log is printed by configurePhase and not gcc's build system	17:06:34
Artturin	* The `configure flags:` in the log is printed by our configurePhase and not gcc's build system	17:06:40
lzcunt	I just ran this and it didn't have c++	17:07:05
lzcunt	hmm just maybe, the stdenvNoLibc gcc does not have c++ (I haven't looked into this yet because my internet is slow lol)	17:07:27
lzcunt	no it would have c++ because mlibc does compile when not cross compiling	17:07:52
lzcunt	`nix-repl> pkgs.pkgsCross.x86_64-linux-mlibc.mlibc.stdenv.cc.cc.langCC false`	17:11:14
lzcunt	huh	17:11:15
lzcunt	yep stdenvNoLibc has c++ when not cross compiling and doesn't have c++ when cross compiling	17:12:01
lzcunt	I have a theory	17:12:04

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