'portmidi.h' file not found about portmidi HOT 4 CLOSED

Brew installs the header files as well, they should be under /usr/local/Cellar/portmidi/217/include.

Is there a possibility that your brew install failed? What is in /usr/local/Cellar/portmidi?

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I have the same issue, brew install those files but it is still throwing the error. I'm still looking for a solution, if I find one Ill post it.

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Turns out I needed the command line tools from xcode (xcode-select). Works now, I recommend jonsie check if it is installed on their system.

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Just in case anyone stumbles onto this thread and is running into the portmidi.h not found issue on a Apple Silicon Mac, you just have to change the CFLAGS/LDFLAGS because Homebrew installs to a different location.

In portmidi.go:

// #cgo CFLAGS:  -I/opt/homebrew/include
// #cgo LDFLAGS: -lportmidi -L/opt/homebrew/lib

or setup some aliases, for example:

sudo ln -s /opt/homebrew/lib /usr/local/lib
sudo ln -s /opt/homebrew/lib/libportmidi.dylib /usr/local/lib/libportmidi.dylib
sudo ln -s /opt/homebrew/lib/libportmidi.2.dylib /usr/local/lib/libportmidi.2.dylib
sudo ln -s /opt/homebrew/lib/libportmidi.2.0.3.dylib /usr/local/lib/libportmidi.2.0.3.dylib

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