I'm getting these errors on my terminal when I try to execute the Makefile:
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 2: PD_APP_DIR: command not found
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 3: PD_DIR: command not found
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 4: GEM_DIR: command not found
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 7: PD_DIR: command not found
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 7: INCLUDES: command not found
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 8: CPPFLAGS: command not found
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 10: shell: command not found
usage: uname [-amnprsv]
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 11: syntax error near unexpected token `$(UNAME),Linux'
/Applications/Pd-extended.app/Contents/Resources/extra/fux_qrcode-master/Makefile: line 11: `ifeq ($(UNAME),Linux)'
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I'm on osx 10.8.3