ObjFW  Changes To Platforms

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# Platforms

ObjFW is known to work on the following platforms, but should run on many others as well.

## AmigaOS

* OS Versions: 3.1, 4.1 Final Edition Update 1
* Architectures: m68k, PowerPC
* Compilers: GCC 6.4.1b (amiga-gcc), GCC 8.3.0 (adtools)
* Runtimes: ObjFW

## Android

* OS Versions: 4.0.4, 4.1.2, 6.0.1
* Architectures: ARMv6, ARMv7, ARM64
* Compilers: Clang 3.3, Clang 3.8.0
* Runtimes: ObjFW

## Bare metal ARM Cortex-M4

* Architectures: ARMv7E-M
* Compilers: Clang 3.5
* Runtimes: ObjFW
* Notes: Bootloader, libc (newlib) and possibly external RAM required

## DOS

* OS Versions: Windows XP DOS Emulation, DOSBox, MS-DOS 6.0, FreeDOS 1.2
* Architectures: x86
* Compilers: DJGPP GCC 4.7.3 (djdev204)
* Runtimes: ObjFW

## DragonFlyBSD

* OS Versions: 3.0, 3.3-DEVELOPMENT
* Architectures: AMD64, x86
* Compilers: GCC 4.4.7
* Runtimes: ObjFW

## FreeBSD

* OS Versions: 9.1-rc3, 10.0
* Architectures: AMD64
* Compilers: Clang 3.1, Clang 3.3
* Runtimes: ObjFW

## GNU/Hurd

* OS Versions: 0.9
* Architectures: i686
* Compilers: Clang 14.0.6
* Runtimes: ObjFW

## Haiku

* OS version: r1-alpha4
* Architectures: x86
* Compilers: Clang 3.2, GCC 4.6.3
* Runtimes: ObjFW

## HP-UX

* OS versions: 11i v1, 11i v3
* Architectures: Itanium, PA-RISC 2.0
* Compilers: GCC 4.7.2, GCC 7.5.0
* Runtimes: ObjFW
* Notes: Exception handling on Itanium in 32 bit mode is broken, you need to use 64 bit mode by passing `OBJC="gcc -mlp64"` to `configure`.

## iOS

* Architectures: ARMv7, ARM64
* Compilers: Clang
* Runtimes: Apple

## Linux

* Architectures: Alpha, AMD64, ARMv5, ARMv6, ARMv7, ARM64, Itanium, LoongArch 64, m68k, MIPS (O32), MIPS64 (N64), RISC-V 64, PA-RISC, PowerPC, PowerPC 64, S390x, SuperH-4, x86
* Compilers: Clang 3.0-18.1.1, GCC 4.6-14.1.1
* C libraries: glibc, musl
* Runtimes: ObjFW

## macOS

* OS Versions: 10.5, 10.7-10.15, Darling
* Architectures: AMD64, PowerPC, PowerPC64, x86
* Compilers: Clang 3.1-10.0, Apple GCC 4.0.1 & 4.2.1
* Runtimes: Apple, ObjFW

## MiNT

* OS Versions: FreeMiNT 1.19
* Architectures: m68k
* Runtimes: ObjFW
* Compilers: GCC 4.6.4 (MiNT 20130415)
* Limitations: No shared libraries, no threads

## MorphOS

* OS Versions: 3.14
* Architectures: PowerPC
* Compilers: GCC 9.3.0
* Runtimes: ObjFW

## NetBSD

* OS Versions: 5.1-9.0
* Architectures: AMD64, ARM, ARM (big endian, BE8 mode), MIPS (O32), PowerPC, SPARC, SPARC64, x86
* Compilers: Clang 3.0-3.2, GCC 4.1.3 & 4.5.3 & 7.4.0
* Runtimes: ObjFW

## Nintendo 3DS

* OS Versions: 9.2.0-20E, 10.5.0-30E / Homebrew Channel 1.1.0
* Architectures: ARM (EABI)
* Compilers: GCC 5.3.0 (devkitARM release 45)
* Runtimes: ObjFW
* Limitations: No threads

## Nintendo DS

* Architectures: ARM (EABI)
* Compilers: GCC 4.8.2 (devkitARM release 42)
* Runtimes: ObjFW
* Limitations: No threads, no sockets
* Notes: File support requires an argv-compatible launcher (such as HBMenu)

## Nintendo Switch

* OS Versions: yuzu 1093
* Architectures: AArch64
* Compilers: GCC 12.1.0 (devkitA64 release 19)
* Runtimes: ObjFW
* Limitations: No sockets, no shared libraries, not tested on real hardware

## OpenBSD

* OS Versions: 5.2-6.7
* Architectures: AMD64, MIPS64, PA-RISC, PowerPC, SPARC64
* Compilers: GCC 6.3.0, Clang 4.0
* Runtimes: ObjFW

## PlayStation Portable

* OS Versions: 5.00 M33-4
* Architectures: MIPS (EABI)
* Compiler: GCC 4.6.2 (devkitPSP release 16)
* Runtimes: ObjFW
* Limitations: No threads, no sockets

## QNX

* OS Versions: 6.5.0
* Architectures: x86
* Compilers: GCC 4.6.1
* Runtimes: ObjFW

## Solaris

* OS Versions: OpenIndiana 2015.03, OpenIndiana 2023.04, Oracle Solaris 11.4
* Architectures: AMD64, SPARC64, x86
* Compilers: Clang 3.4.2, Clang 11.0.0, Clang 13.0.1, GCC 4.8.3, GCC 10.4.0
* Runtimes: ObjFW

## Wii

* OS Versions: 4.3E / Homebrew Channel 1.1.0
* Architectures: PowerPC
* Compilers: GCC 4.6.3 (devkitPPC release 26)
* Runtimes: ObjFW
* Limitations: No threads

## Wii U

* OS Versions: Cemu 12.26.2f
* Architectures: PowerPC
* Compilers: gcc version 12.1.0 (devkitPPC release 41)
* Runtimes: ObjFW
* Limitations: No files, no threads, no sockets, no shared libraries, not tested on real hardware

## Windows

* OS Versions: 98 SE, NT 4.0, XP, 7, 8, 8.1, 10, 11, Wine
* Architectures: AArch64, AMD64, x86
* Compilers:
  * GCC 5.3.0 & 6.2.0 from msys2 (AMD64 & x86),
  * Clang 3.9.0 from msys2 (x86),
  * Clang 10.0 from msys2 (AMD64 & x86),
  * Clang 14.0.4 from msys2 (AArch64)
* Runtimes: ObjFW

## Others

Basically, it should run on any POSIX system to which GCC >= 4.6 or a recent Clang version has been ported. If not, please send an e-mail with a bug report.

If you successfully ran ObjFW on a platform not listed here, please send an e-mail to js@nil.im so it can be added here!

If you have a platform on which ObjFW does not work, please contact me as well!

# Forwarding

As forwarding needs hand-written assembly for each combination of CPU architecture, executable format and calling convention, it is only available for the following platforms (except resolveClassMethod: and resolveInstanceMethod:, which are always available):

* AMD64 (SysV/ELF, Apple/Mach-O, Mach-O, Win64/PE)
* ARM (EABI/ELF, Apple/Mach-O)
* ARM64 (ARM64/ELF, Apple/Mach-O)
* LoongArch 64 (SysV/ELF)
* MIPS (O32/ELF, EABI/ELF)
* MIPS64 (N64/ELF)
* PowerPC (SysV/ELF, EABI/ELF, Apple/Mach-O)
* RISC-V 64 (SysV/ELF)
* SPARC (SysV/ELF)
* SPARC64 (SysV/ELF)
* x86 (SysV/ELF, Apple/Mach-O, Win32/PE)

Apple/Mach-O means both, the Apple ABI and runtime, while Mach-O means the ObjFW runtime on Mach-O.