Enabling Portaudio in beatoraja on OSX

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Preface

This is a small guide of how to compile and enable portaudio in beatoraja on osx, the guide includes some manual modifications, so it assumes that readers have the basic knowledge of computer and git.

This guide’s target is building the jportaudio.dylib on macos and make beatoraja reads it.

Process

  • Download portaudio library by brew install portaudio
  • Copy portaudio.h file to an library path like /usr/local/inlcude, you can find the file under /opt/homebrew/Cellar/portaudio[version]/include
  • git clone https://github.com/philburk/portaudio-java
  • Edit CMakeLists.txt
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cmake_minimum_required(VERSION 3.2)

project(jportaudio_project)

# somehow, $ENV{JAVA_HOME} isn't work on my machine, so I replaced them with absolute path
# $which java to find where java is

#include_directories($ENV{JAVA_HOME}/include)
#include_directories($ENV{JAVA_HOME}/include/darwin)
#include_directories($ENV{JAVA_HOME}/include/linux)

# DON'T COPY THIS DIRECTLY
include_directories(/Library/Java/JavaVirtualMachines/liberica-jdk-17-full.jdk/Contents/Home/inlcude)
include_directories(/Library/Java/JavaVirtualMachines/liberica-jdk-17-full.jdk/Contents/Home/inlcude/darwin)

# for installed portaudio.h
# If you didn't put portaudio.h here, modify this line
include_directories(/usr/local/include)

#link_directories(/usr/local/lib)
# No need because we downloaded portaudio through brew
#link_directories(../portaudio/pagit)
#link_directories(../portaudio/pagit/lib)

set (jportaudio_sources
    src/main/jni/com_portaudio_BlockingStream.c
    src/main/jni/com_portaudio_PortAudio.c
    src/main/jni/jpa_tools.c
    )

set (jportaudio_libname jportaudio_0_1_0)

add_library(${jportaudio_libname} SHARED ${jportaudio_sources})
target_link_libraries(${jportaudio_libname} portaudio)

install(TARGETS ${jportaudio_libname} DESTINATION lib)
  • mkdir build
cmake -B build
cd build