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Hey everyone,

I'm gearing up to create my own firmwares for my PX4 but I'm unable to install kconfig-frontends through homebrew.

This is what my what I get instead;

brew install kconfig-frontends

==> Installing kconfig-frontends from px4/homebrew-px4

==> Downloading http://ymorin.is-a-geek.org/download/kconfig-frontends/kconfig-f

Already downloaded: /Library/Caches/Homebrew/kconfig-frontends-3.7.0.0.tar.xz

==> Patching

patching file bootstrap

patching file configure.ac

patching file scripts/ksync.sh

patching file scripts/version.sh

patching file utils/Makefile.am

patching file utils/tweak.in

==> ./bootstrap

Running autoconf...

configure.ac:27: error: possibly undefined macro: AS_IF

      If this token and others are legitimate, please use m4_pattern_allow.

      See the Autoconf documentation.

configure.ac:101: error: possibly undefined macro: AC_MSG_ERROR

Has anyone else ever got this issues before?

Any help would be appreciated.

Cheers,

Caelan

P.S. All other formulas installed correctly. As seen below,

brew list

autoconf gcc-arm-none-eabi libtool

automake genromfs xz