Platform defines: what changed

Revision 2 to 3. Removed lines have a minus sign; added lines have a plus sign.

Old	New		Line
1	1		## Useful tips before using platform defines
2	2
3	3		- [Marco van de Voort: Development Tutorial (a.k.a Build FAQ)](https://www.stack.nl/~marcov/buildfaq.pdf) – general building guidelines
4	4		- [Marco van de Voort: Creating a portable Pascal codebase.](https://www.stack.nl/~marcov/porting.pdf) – general porting guidelines
5	5		- if you need to cast a [[Pointer\|pointer]] to an integer for arithmetic or you want to provide a spare field (like [`tag`](https://www.freepascal.org/docs-html/rtl/classes/tcomponent.tag.html) in [`TComponent`](https://www.freepascal.org/docs-html/rtl/classes/tcomponent.html)) that may be used to store a pointer, use [`PtrInt`](https://www.freepascal.org/docs-html/rtl/system/ptrint.html) as signed type, or better [`PtrUInt`](https://www.freepascal.org/docs-html/rtl/system/ptruint.html) as unsigned type.
6	6
7	7		## Architecture defines
8	8
9	9		> Note: This is a copy of the official [FPC documentation](http://www.freepascal.org/docs-html/prog/progap7.html#x333-348000G) which is the authorative version for the stable FPC version.
10	10
11		-	~~<thead>~~
12		-
13		-	~~</thead>~~
14		-	~~<tbody>~~
15		-
16		-	~~</tbody>~~
	11	+	\| define(s) \| meaning \|
	12	+	\|---\|---\|
	13	+	\| General \| \|
	14	+	\| ENDIAN_BIG \| big endian \|
	15	+	\| ENDIAN_LITTLE \| little endian \|
	16	+	\| CPU16 \| 16 bit CPU \|
	17	+	\| CPU32 \| 32 bit CPU \|
	18	+	\| CPU64 \| 64 bit CPU \|
	19	+	\| Specific \| \|
	20	+	\| CPU86 \| Intel 8086 and compatible (original PC) \|
	21	+	\| CPU87 \| Intel 8086 and compatible (original PC) \|
	22	+	\| CPU386, CPUi386 \| 386 and compatible (32 bit PC) \|
	23	+	\| CPUAMD64, CPUX86_64 \| AMD64 or Intel 64-bit processor \|
	24	+	\| CPUIA64 \| Intel itanium 64-bit processor \|
	25	+	\| CPU68 \| Motorola 680x0 or compatible CPU \|
	26	+	\| CPU68K, CPUM68K \| Motorola 680x0 or compatible CPU \|
	27	+	\| CPUM68020 \| Motorola 68020 or compatible CPU \|
	28	+	\| CPUPOWERPC \| [[PPC Calling conventions\\|PowerPC processor]] (32 or 64 bit) \|
	29	+	\| CPUPOWERPC32 \| PowerPC processor (32 bit) \|
	30	+	\| CPUPOWERPC64 \| PowerPC processor (64 bit) \|
	31	+	\| CPUSPARC, CPUSPARC32 \| SPARC v7 or compatible \|
	32	+	\| CPUARM \| ARM 32 bit processor \|
	33	+	\| CPUAARCH64 \| ARM 64 bit processor \|
	34	+	\| CPUAVR \| AVR 8/16-bit processor \|
	35	+	\| FPU \| \|
	36	+	\| FPUSOFT \| Software emulation of FPU (all types) \|
	37	+	\| FPUSSE64 \| SSE64 FPU on Intel I386 and higher, AMD64. \|
	38	+	\| FPUSSE \| SSE instructions on Intel I386 and higher. \|
	39	+	\| FPUSSE2 \| SSE 2 instructions on Intel I386 and higher. \|
	40	+	\| FPUSSE3 \| SSE 3 instructions on Intel I386 and higher, AMD64. \|
	41	+	\| FPULIBGCC \| GCC library FPU emulation on ARM and M68K. \|
	42	+	\| FPU68881 \| 68881 on M68K. \|
	43	+	\| FPUFPA \| FPA on ARM. \|
	44	+	\| FPUFPA10 \| FPA 10 on ARM. \|
	45	+	\| FPUFPA11 \| FPA 11 on ARM. \|
	46	+	\| FPUVFP \| VFP on ARM. \|
	47	+	\| FPUX87 \| X87 FPU on Intel I386 and higher. \|
	48	+	\| FPUITANIUM \| On Intel Itanium. \|
	49	+	\| FPUSTANDARD \| On PowerPC (32/64 bit). \|
	50	+	\| FPUHARD \| On Sparc. \|
17	51
18	52		## Operating system defines
19	53
20	54		In the following tree, you have to follow leaves to their respective roots, in order to determine all defines. To check this information, refer to files in FPC sources: "compiler/systems/i_*.pas".
21	55
22	56		- `ATARI`
23	57		- `DPMI`: MS-DOS
24	58		- `GO32V2`
25	59		- `WATCOM`
26	60		- `EMACS`
27	61		- `embedded`
28	62		- `HASAMIGA`
29	63		- `AMIGA`
30	64		- `AMIGA68K`
31	65		- `AMIGAOS4`
32	66		- `AROS`
33	67		- `MorphOS`
34	68		- `GBA`: GameBoy Advance
35	69		- `Java`
36	70		- `MACOS`: Classic Macintosh (System 7 etc.)
37	71		- `MSDOS` MS-DOS 16-bit real mode (defined since FPC version 2.7.1)
38	72		- `NATIVENT`: [[Target NativeNT\|NativeNT]]
39	73		- `NDS`: Nintendo DS
40	74		- `NETWARE`: NetWare
41	75		- `NETWARE_CLIB`: NetWare with classic libc
42	76		- `NETWLIBC`, `NETWARE_LIBC`: NetWare with modern libc
43	77		- `OS2`: OS/2
44	78		- `EMX`: emx
45	79		- `PALMOS`: PalmOS and Garnet OS
46	80		- `Symbian`: Symbian OS
47	81		- `UNIX`
48	82		- `AIX`
49	83		- `ANDROID`
50	84		- `BEOS`
51	85		- `HAIKU`
52	86		- `BSD`
53	87		- `DARWIN`: [[Portal:Mac\|macOS]] and [[Portal:iOS\|iOS]]
54	88		- `iPhoneSim`
55	89		- `DragonFly`: DragonFlyBSD
56	90		- `FREEBSD`: FreeBSD
57	91		- `NETBSD`: NetBSD
58	92		- `OPENBSD`: OpenBSD
59	93		- `LINUX`
60	94		- `SUNOS`
61	95		- `SOLARIS`
62	96		- `QNX`
63	97		- `WDOSX`
64	98		- `Wii`
65	99		- `WINDOWS`: all [[Portal:Windows\|Windows]]
66	100		- `MSWINDOWS`
67	101		- `WIN16`: 16-bit Windows 3.x
68	102		- `WIN32`: 32-bit Windows
69	103		- `WIN64`: 64-bit Windows
70	104		- `WINCE`, `UNDER_CE`, `UNICODE`: Windows CE, Windows mobile
71	105
72	106		## Notes
73	107
74	108		`UNICODE` was defined till FPC 3.0.0, see [[User Changes 3.0\|User changes 3.0 § “define UNICODE was changed to FPC_OS_UNICODE”]].
75	109
76	110		## See also
77	111
78	112		- [Delphi Wikia article “FreePascal detection and versioning”](https://delphi.wikia.com/wiki/FreePascal_detection_and_versioning)
79	113		- [Free Pascal Documentation: Appendix G: Compiler defines during compilation](https://www.freepascal.org/docs-html/prog/progap7.html)
80	114
81	115		---
82	116		From the Free Pascal wiki, page "Platform defines", as it stood on 2021-04-01 after a change by Kai Burghardt, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).
83	117		Category: Directives

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