* CLI: change to -mred-zone and -mno-red-zone to match gcc/clang.
* build.zig: remove the double negative and make it an optional bool.
This follows precedent from other flags, allowing the compiler CLI to
be the decider of what is default instead of duplicating the default
value into the build system code.
* Compilation: make it an optional `want_red_zone` instead of a
`no_red_zone` bool. The default is decided by a call to
`target_util.hasRedZone`.
* When creating a Clang command line, put -mred-zone on the command
line if we are forcing it to be enabled.
* Update update_clang_options.zig with respect to the recent {s}/{} format changes.
* `zig cc` integration with red zone preference.
The macOS version is now obtained by parsing `SystemVersion.plist`.
Test cases added for plist files that date back to '2005 Panther and up
to the recent '2020 Big Sur 11.1 release of macOS.
Thus we are now able to reliably identify 10.3...11.1 and higher.
- drop use of kern.osproductversion sysctl
- drop use of kern.osversion sysctl (fallback)
- drop kern.osversion tests
- add `lib.std.zig.system.detect()`
- add minimalistic parser for `SystemVersion.plist`
- add test cases for { 10.3, 10.3.9, 10.15.6, 11.0, 11.1 }
closes#7569
... and mem.copy operations. Requires slightly larger input buffers than result length. Add helper functions std.mem.alignInBytes and std.mem.alignInSlice.
The NtQueryInformationFile with .FileNormalizedNameInformation is only available in Windows 10 1803 (rs4) and later, however there is probably still another route we can go via ntdll.
Avoid errors if the socket enters the TIME_WAIT state and we need to
re-execute this test before the OS releases it.
This problem was not really a problem before since the accept()-ed
socket was never closed on the server-side.
The overlap between files and sockets is minimal and lumping them
together means supporting only a small subset of the functionalities
provided by the OS.
Moreover the socket and file handles are not always interchangeable: on
Windows one should use Winsock's close() call rather than the one used
for common files.
This will enable code to perform version checks and make it easier to
support multiple versions of Zig.
Within the SemVer implementation, an intermediate value needed to be
coerced to a slice to workaround a comptime bug.
Closes#6466
