Easy compiling instructions for compiling the Acoustics Toolbox on Linux and MacOS get zip file from http://oalib.hlsresearch.com/AcousticsToolbox/ and unzip Uses Fortran to compile, but other compliers are included in the makefile there. if you don't have gfortran, you will have to install brew install gfortran (on Mac) apt-get install gfortran (on linux) Will have an 'at' folder In a command window cd at make mkdir bin make install All executables will be in the bin folder, which will probably have to be included in your PATH If you are getting this error on any OS ld: unsupported tapi file type '!tapi-tbd' in YAML file '/Library/Developer/CommandLineTools/SDKs/MacOSX13.sdk/usr/lib/libSystem.tbd' for architecture x86_64 It is probably a gfortran library interference from anaconda To fix conda deactivate Compile AT conda activate