TypeError: no implicit conversion of false into String

[derekPrivate]

Additional Info

• I am using Windows Subsystem for Linux

Output of brew config

HOMEBREW_VERSION: 4.0.4
ORIGIN: https://github.com/Homebrew/brew
HEAD: 4d0154fa7926e8a7b06e9b074dd45957e820407c
Last commit: 26 hours ago
Core tap JSON: 28 Feb 15:05 UTC
HOMEBREW_PREFIX: /home/linuxbrew/.linuxbrew
HOMEBREW_CASK_OPTS: []
HOMEBREW_MAKE_JOBS: 1
Homebrew Ruby: 2.6.8 => /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/vendor/portable-ruby/2.6.8_1/bin/ruby
CPU: single-core 64-bit haswell
Clang: N/A
Git: 2.38.3 => /usr/bin/git
Curl: 7.61.1 => /usr/bin/curl
Kernel: Linux 4.14.281-144.502.amzn1.x86_64 x86_64 GNU/Linux
OS: Unknown
Host glibc: 2.17
/usr/bin/gcc: 4.8.5
/usr/bin/ruby: 2.0.0
glibc: N/A
gcc@11: N/A
gcc: N/A
xorg: N/A

Output of brew doctor

Your system is ready to brew.

Description of issue

Trying to
brew install gcc
on Amazon Linux 1 fails. Using --verbose --debug shows

==> Postinstalling gcc
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/brew.rb (Formulary::FromPathLoader): loading /home/linuxbrew/.linuxbrew/opt/gcc/.brew/gcc.rb
Warning: The post-install step did not complete successfully
You can try again using:
brew postinstall gcc
==> An exception occurred within a child process:
TypeError: no implicit conversion of false into String

/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/popen.rb:47:in initialize' /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/popen.rb:47:in popen'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/popen.rb:47:in popen' /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/popen.rb:9:in popen_read'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils/popen.rb:16:in safe_popen_read' /home/linuxbrew/.linuxbrew/opt/gcc/.brew/gcc.rb:151:in post_install'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/formula.rb:1160:in block (2 levels) in run_post_install' /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/formula.rb:968:in with_logging'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/formula.rb:1159:in block in run_post_install' /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/utils.rb:606:in with_env'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/formula.rb:1148:in run_post_install' /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/postinstall.rb:24:in

'

How can I fix?

[carlocab]

Can you report this at https://github.com/Homebrew/homebrew-core/issues?

As a workaround for now, try

export HOMEBREW_NO_INSTALL_FROM_API=1
brew tap homebrew/core
brew update
brew reinstall gcc

[derekPrivate]

Thanks for the tip When I do that, no error are reported, BUT the homebew gcc does not seem to be installed (at least, it is not on the PATH). Running ‘which gcc’ is /usr/bin/gcc and reports gcc version 4.8.5 20150623 (Red Hat 4.8.5-28) (GCC) — Derek Morris ***@***.***

…

On 28 Feb 2023, at 15:55, Carlo Cabrera ***@***.***> wrote: Can you report this at https://github.com/Homebrew/homebrew-core/issues? As a workaround for now, try export HOMEBREW_NO_INSTALL_FROM_API=1 brew tap homebrew/core brew update brew reinstall gcc — Reply to this email directly, view it on GitHub <#4279 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABU4OWCEUJFCU34LETW56JDWZYNWFANCNFSM6AAAAAAVK3POVE>. You are receiving this because you authored the thread.

[carlocab]

Try which gcc-12.

[derekPrivate]

/home/linuxbrew/.linuxbrew/bin/gcc-12 But gcc is not linked. Is that expected? — Derek Morris ***@***.***

…

On 28 Feb 2023, at 16:48, Carlo Cabrera ***@***.***> wrote: Try which gcc-12. — Reply to this email directly, view it on GitHub <#4279 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABU4OWBMT4ZYGDTA2X75R6TWZYT4XANCNFSM6AAAAAAVK3POVE>. You are receiving this because you authored the thread.

[carlocab]

Yes. We install GCC with a version suffix, so you must call it as gcc-12 or g++-12.