build: Harmless "which: no x86_64-w64-mingw32-g++-posix…" message during depends download #24056
Description
Probably introduced in #22093.
Found macOS SDK at '/home/guest/sdk-path/Xcode-12.1-12A7403-extracted-SDK-with-libcxx-headers', using...
Checking that we can connect to the guix-daemon...
Hint: If this hangs, you may want to try turning your guix-daemon off and on
again.
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
which: no x86_64-w64-mingw32-g++-posix in (/run/setuid-programs:/home/guest/.config/guix/current/bin:/home/guest/.guix-profile/bin:/home/guest/.guix-profile/sbin:/run/current-system/profile/bin:/run/current-system/profile/sbin)
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
make: Entering directory '/home/guest/bitcoin/depends'
make[1]: Entering directory '/home/guest/bitcoin/depends'
make[1]: Leaving directory '/home/guest/bitcoin/depends'
make: Leaving directory '/home/guest/bitcoin/depends'
I think it's harmless (the which command tends to be noisy), but it did make me wonder. Clearly the cross-compiler is unnecessary when fetching the tarballs.