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I would like to port my C/C++ apps to OS X.
I don't have a Mac, but I have Linux and Windows. Is there any tool for this?
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Often times, you need c or gcc compiler to compile open source projects in Mac OS X. The problem is Mac OS X doesn't install the gcc compiler by default. In terminal, type “ gcc “, you will get message “command not found”.
mingw32 exists as a package for Linux. You can cross-compile and -link Windows applications with it. There's a tutorial here at the Code::Blocks forum. Mind that the command changes to x86_64-w64-mingw32-gcc-win32 , for example.
Unlike Linux, which is rarely running on hardware that it was meant to be paired with, macOS is always running on hardware that was built for it. Nearly every component inside of a Mac computer was designed and built by Apple. And the OS running on that hardware was also built by Apple.
For Linux, there is a prebuilt GCC cross-compiler (from publicly available Apple's modified GCC sources).
https://launchpad.net/~flosoft/+archive/cross-apple
Update for 2015
http://channel9.msdn.com/Events/Visual-Studio/Connect-event-2014/311
Embarcadero's RadStudio also supports building OSX/iOS/Android apps on Windows.
This answer by Thomas also provides a cross-compilation tool.
For all these options you still need a real mac/i-device to test the application.
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I have created a project called OSXCross which aims to target OS X (10.4-10.9) from Linux.
It currently supports clang 3.2 up to 3.8 (trunk) (you can use your dist's clang).
In addition you can build an up-to-date vanilla GCC as well (4.6+).
LTO works as well, for both, clang and GCC.
Currently using cctools-870 with ld64-242.
https://github.com/tpoechtrager/osxcross
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