diff options
| author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2012-05-01 20:08:41 +0100 |
|---|---|---|
| committer | Jon TURNEY <jon.turney@dronecode.org.uk> | 2012-10-29 12:21:14 +0000 |
| commit | 748be9da20a8bf3dd99701a95eac7ee3895a28de (patch) | |
| tree | 191c1e15ee05fde7e0364454218f90e538985222 | |
| parent | cc1d8fa8a4ef2e34e9837a44945094fd77e40a0b (diff) | |
doc: Update documentation about Windows platforms support a bit
Update what c-extensions says about Windows platforms support a bit:
- Document that MinGW Win32 gets let off being POSIX-compilant
- Document the minimum Windows version supported
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
| -rw-r--r-- | doc/c-extensions | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/doc/c-extensions b/doc/c-extensions index eb33e272b..4a9006150 100644 --- a/doc/c-extensions +++ b/doc/c-extensions @@ -35,7 +35,7 @@ The server will not build if your toolchain does not support these extensions. * interleaved code and declarations: { foo = TRUE; int bar; do_stuff(); } -Use of OS and library facilities throughout the X server tree +Use of library facilities throughout the X server tree ------------------------------------------------------------- Non-OS-dependent code can assume facilities at least as good as @@ -44,6 +44,17 @@ be C99, but even gcc+glibc doesn't implement that yet. Unix-like systems are assumed to be at least as good as UNIX03. +Note that there are two Windows ports, Cygwin and MinGW: +- Cygwin is more or less like Linux. +- MinGW is more restrictive. Windows does not provide the required +POSIX facilities, so some non-OS-dependent code is stubbed out or +has an alternate implementation if WIN32 is defined. Code that +needs to be portable to Windows should be careful to, well, be portable. + + +Required OS facilities +------------------------------------------------------------- + Linux systems must be at least 2.4 or later. As a practical matter though, 2.4 kernels never receive any testing. Use 2.6 already. @@ -51,11 +62,7 @@ TODO: Solaris. TODO: *BSD. -Code that needs to be portable to Windows should be careful to, -well, be portable. Note that there are two Windows ports, cygwin and -mingw. Cygwin is more or less like Linux, but mingw is a bit more -restrictive. TODO: document which versions of Windows we actually care -about. +Windows-dependent code assumes at least NT 5.1. OSX support is generally limited to the most recent version. Currently that means 10.5. |