make (gcc?) color output during build

[ehiller]

I'm trying to give my build-process output some intelligibility by adding color to the output. With the underlying compiler being gcc, I thought all I would have to do is add some flags

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CFLAGS += -fdiagnostics-color=always
CXXFLAGS += -fdiagnostics-color=always
CPPFLAGS += -fdiagnostics-color=always

To be sure I set the GCC_COLORS environment variable ( both in my environment (with export) and in the Makefile.

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GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'

I even tried adding directly to the compiler variable

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CC += -fdiagnostics-color=always

Am I missing a glaring step?

[ESP_Sprite]

Are you sure you're using the latest toolchain? The one I have gives colorful warnings etc out of the box.

[ehiller]

I'm pretty sure:

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esp32_win32_msys2_environment_and_toolchain-20180110

I can have the logs from the ESP32 itself be colorized. Just not GCC/make