Tried to install receiveMIDI using home-brew.
It fails while trying to compile it.
In file included from /tmp/receivemidi-20201115-26791-v6q685/ReceiveMIDI-1.0.6/JuceLibraryCode/include_juce_core.mm:9:
In file included from ../../JuceLibraryCode/modules/juce_core/juce_core.mm:23:
In file included from ../../JuceLibraryCode/modules/juce_core/juce_core.cpp:37:
In file included from ../../JuceLibraryCode/modules/juce_core/juce_core.h:344:
../../JuceLibraryCode/modules/juce_core/native/juce_osx_ObjCHelpers.h:214:95: error: use of undeclared identifier 'objc_msgSend_fpret'
static inline MsgSendFPRetFn getMsgSendFPRetFn() noexcept { return (MsgSendFPRetFn) (void*) objc_msgSend_fpret; }
^
** BUILD FAILED **
The following build commands failed:
CompileC /tmp/receivemidi-20201115-26791-v6q685/ReceiveMIDI-1.0.6/Builds/MacOSX/build/receivemidi.build/Release/receivemidi\ -\ ConsoleApp.build/Objects-normal/arm64/include_juce_events.o /tmp/receivemidi-20201115-26791-v6q685/ReceiveMIDI-1.0.6/JuceLibraryCode/include_juce_events.mm normal arm64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler
(1 failure)
If reporting this issue please do so at (not Homebrew/brew or Homebrew/core):
https://github.com/gbevin/homebrew-tools/issues
This is on a new fresh install of Catalina with Xcode 12.2 and command line tools already installed.