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The reason this is required is for two reasons: 1) the libc
targeting `aarch64` macOS is slightly newer than that targeting
`x86_64`, and 2) `OSAtomic.h` uses relative imports rather than
system-wide imports for accompanying headers which clearly is an
oversight on Apple's part. Until such time when `libkern` headers
between `x86_64` and `aarch64` are identical, this will require a
manual intervention to duplicate the relevant headers between the
respective architectures.
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commit 1efc3a7f584dd75a5783756e168af74cdf6bb727
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See #5854
Some tiny tweaks too:
* Use `wasm-freestanding-musl` instead of `wasm32-freestanding-musl`,
making it pointer-size-agnostic.
* Fix trying to build non-existent wasm musl start files.
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commit 09b70199e738bfa86c55cd3a848287229a207982
closes #7261
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it's provided by macOS LibC and apparently there is code in the wild
that depends on it. all it does is #include <string.h>
closes #7249
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See ziglang/fetch-them-macos-headers#2 for more details. The path
forward looks like one of the following:
* Ony provide headers for the oldest supported macOS (currently 10.13
but soon to be bumped to 10.14).
* Provide headers for multiple versions, and select based on the Zig
target OS version range minimum.
* Don't try to provide macOS headers.
If we don't tackle the version problem, we would have to re-introduce
the ability to detect and depend on native system headers if we wanted
to support C/C++ code that used newer OS definitions.
This patch also adds support for `#include <mach/mach_time.h>`.
Also related: #5236
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See
https://github.com/ziglang/fetch-them-macos-headers/commit/76f22c39052034a19d8c0f41bd4010872fd032cd.
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LLVM depends on it.
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these new files are generated by recursively including:
sysexits.h
mach/mach.h
sys/attr.h
sys/mount.h
crt_externs.h
execinfo.h
all of which are depended on by LLVM libraries.
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libcxx depends on it
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libcxx depends on it
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libcxx depends on it
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libcxx depends on it
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These are both included by libcxx.
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Reaplied mingw-w64 header patch
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Signed-off-by: Jakub Konka <kubkon@jakubkonka.com>
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This reverts commit bb9c3118ed5fdc16b8e2d9882375005c2a62d0cc, reversing
changes made to 7015d84e0ca6f02fede45621571084df98dda712.
This is missing quite a few headers
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Fix compilation w/ clang
f83bb3dd9e68899ca39cdddb7d84c2ad1c833d55
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Clang pretends to be gcc 4.4 and that causes some re-definition errors.
The problem has been reported to the upstream some time ago but nothing
was done about it.
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It was using __GNUC__ < 8 to check if _xgetbv intrinsic is available.
Since we always use zig cc with this header, we know we have clang 9,
which does have this intrinsic.
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The previous
[instructions](https://github.com/ziglang/zig/wiki/Updating-libc) for
updating musl libc headers had this (repeated for each architecture):
make DESTDIR=build-all/arm install-headers ARCH=arm
However musl's build system does not properly rebuild alltypes.h and
syscall.h from source, instead using whatever is cached from the
previous build. In the case of the previous time that I updated to musl
1.1.23, this happened to be the aarch64 architecture.
As a workaround, one can remove the obj/ directory to force rebuilding
this file. Now the instructions say this (repeated for each architecture):
rm -rf obj/ && make DESTDIR=build-all/arm install-headers ARCH=arm
This commit updates the resulting headers after this workaround is
applied and the process headers tool is run again.
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also start prefering NtDll API. so far:
* NtQueryInformationFile
* NtClose
adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
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