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Make `initLibStore` a viable alternative
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declare RAPIDCHECK_HEADERS as variable
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Versions older this are sufficiently old that we don't want to support
them, and they require extra support code.
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The motivation is as stated in issue #7814: even though the the C++ API
is internal and unstable, people still want it to be well documented for
sake of learning, code review, and other purposes that aren't predicated
on it being stable.
Fixes #7814
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
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Building without tests is useful for bootstrapping with a smaller footprint
or running the tests in a separate derivation. Otherwise, we do compile and
run them.
This isn't fine grained as to allow picking `check` but not `installcheck`
or vice versa, but it's good enough for now.
I've tried to use Nixpkgs' `checkInputs`, but those inputs weren't discovered
properly by the configure script. We can emulate its behavior very well though.
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- `AC_LANG_PUSH(C++)` is needed for the header check
- The library check is hopeless (without lots of third-party macros I
don't feel like getting) because name mangling
Pkg-config would make all this easier. I previously opened
https://github.com/emil-e/rapidcheck/issues/302, I should write a PR
too.
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Property tests are great!
Co-authored-by: Cole Helbling <cole.e.helbling@outlook.com>
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custom flags
Reported-by: 0n-s
Bug: https://github.com/trofi/nix-guix-gentoo/issues/26
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That flag breaks `-lc++fs` (introducing a duplicate symbol for some
reason). Besides, it was apparently needed for bzip2, but we're not using bzip2
anymore.
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With this, Nix will write a copy of the sandbox shell to /bin/sh in
the sandbox rather than bind-mounting it from the host filesystem.
This makes /bin/sh work out of the box with nix-static, i.e. you no
longer get
/nix/store/qa36xhc5gpf42l3z1a8m1lysi40l9p7s-bootstrap-stage4-stdenv-linux/setup: ./configure: /bin/sh: bad interpreter: No such file or directory
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See also: https://bugs.archlinux.org/task/73998. Busybox's
FEATURE_SH_STANDALONE feature causes other busybox applets to
leak into the sandbox, where system() calls will start preferring
them over tools in $PATH. On arch, this even includes `ar`.
Let's check for this evil feature and disallow using this as a
sandbox shell.
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gives 2-5% performance improvement across a board of tests.
LTO is broken when using clang; some libs link fine while others crash
the linker with a segfault in the llvm linker plugin. 🙁
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Fixes #6021.
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Document libsodium, which is now mandatory, as a dependency.
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This dependency is used from quite a long time (now in libcmd) but
was not explicitly stated in the configure phase, possibly leading
to quite late build failures if that was not met (ie. building it
outside the .nix files provided). This MR adds it in the configure
phase so the failure is early and error is much more explicit.
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uname checks are not cross-safe.
The normalization for Cygwin doesn't need any equivalent for host_os
because nothing actually checked whether sys_name was cygwin any more.
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This fixes both the SunOS/Solaris check, and the libatomic check, which
reference $LIBS, which has not been used since automake was stripped
out of the code.
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When performing distributed builds of machine learning packages, it
would be nice if builders without the required SIMD instructions can
be excluded as build nodes.
Since x86_64 has accumulated a large number of different instruction
set extensions, listing all possible extensions would be unwieldy.
AMD, Intel, Red Hat, and SUSE have recently defined four different
microarchitecture levels that are now part of the x86-64 psABI
supplement and will be used in glibc 2.33:
https://gitlab.com/x86-psABIs/x86-64-ABI
https://lwn.net/Articles/844831/
This change uses libcpuid to detect CPU features and then uses them to
add the supported x86_64 levels to the additional system types. For
example on a Ryzen 3700X:
$ ~/aps/bin/nix -vv --version | grep "Additional system"
Additional system types: i686-linux, x86_64-v1-linux, x86_64-v2-linux, x86_64-v3-linux
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This fixes the libatomic detection.
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Tested against AWS SDK 1.8.99. Fixes #3201.
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Per the comments, the underlying issue is
https://github.com/libarchive/libarchive/issues/1446, knowing this
allows the hack to be much more targetted.
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Closes #3256
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