Hi,

This is not a bug. The gcc package exists, but is hidden from CLI on purpose because you shouldn't install it and use it directly. You should use gcc-toolchain instead.

Le 15 novembre 2022 00:53:32 GMT+01:00, bbb ee <blasforr@gmail.com> a écrit :
>in version c81457a5883ea43950eb2ecdcbb58a5b144bcd11 of guix, gcc-toolchain
>depends gcc:
>```
>$ DEFAULT_CHANNELS=/tmp/default_channels.scm
>$ echo "%default-channels" > $DEFAULT_CHANNELS
># I force guix to use only %default-channels here
>$ guix time-machine --commit=c81457a5883ea43950eb2ecdcbb58a5b144bcd11  -C
>$DEFAULT_CHANNELS -- search gcc-toolchain
>guile: warning: failed to install locale
>name: gcc-toolchain
>version: 9.3.0
>outputs: out debug static
>systems: x86_64-linux i686-linux
>dependencies: binutils@2.32 gcc@9.3.0 glibc@2.29 ld-wrapper@0
>```
>
>
>However, I can't find gcc package in this version of guix
>```
>$ guix time-machine --commit=c81457a5883ea43950eb2ecdcbb58a5b144bcd11  -C
>$DEFAULT_CHANNELS -- search gcc
># no found gcc
>
># guix install failure message confirm that gcc doesn't exist in commit
>c81457
>$ guix time-machine --commit=c81457a5883ea43950eb2ecdcbb58a5b144bcd11 -C
>$DEFAULT_CHANNELS -- install gcc -p ~/opt/python-dev_3_7
>guile: warning: failed to install locale
>guix install: error: gcc: unknown package
>```
>
>in commit c81457, how gcc-toolchain can depends a package who doesn't
>exists?