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This is effectively a rewrite of `overrideSDK`. It was required because
`wrapGAppsHook` propagates `depsTargetTarget` with the expectation that
it will effectively be `buildInputs` when the hook is itself used as a
`nativeBuildInput`. This propagates Gtk, which itself propagates the
default Dariwn SDK, making it effectively impossible to override the SDK
when a package depends on Gtk and uses `wrapGAppsHook`.
This rewrite implements the following improvements:
* Cross-compilation should be supported correctly (untested);
* Supports public and private frameworks;
* Supports SDK `libs`;
* Remaps instead of replacing extra (native) build inputs in the stdenv;
* Updates any Darwin framework references in `nix-support`; and
* It updates `xcodebuild` regardless of which input its in.
The implementation avoids recursion for performance reasons. Instead, it
enumerates transitive dependencies and walks the list from the leaf
packages backwards to the parent packages.
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pkgs/stdenv/adapters.nix: Rename internal name
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`finalAttrs` is never the first argument. This should have been
called `prevAttrs` all along.
It confused me for a bit, because the callback _must not_ be strict
in `finalAttrs` (the first of _two_ parameters), or it will
recurse infinitely while trying to figure out what the attrNames are.
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As @SomeoneSerge pointed out in https://github.com/NixOS/nixpkgs/pull/281371#discussion_r1531174155,
by avoiding `wrapCCWith` and using `targetStdenv.cc.override`, we avoid roundtrip wrapping and
are able to use `coreutils` from `targetStdenv`.
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into libcxx (#292043)
- merge libcxxabi into libcxx for LLVM 12, 13, 14, 15, 16, 17, and git.
- remove the link time workaround `-lc++ -lc++abi` from 58 packages as it is no longer required.
- fixes https://github.com/NixOS/nixpkgs/issues/166205
- provides alternative fixes for. https://github.com/NixOS/nixpkgs/issues/269548 https://github.com/NixOS/nix/issues/9640
- pkgsCross.x86_64-freebsd builds work again
This change can be represented in 3 stages
1. merge libcxxabi into libcxx -- files: pkgs/development/compilers/llvm/[12, git]/{libcxx, libcxxabi}
2. update stdenv to account for merge -- files: stdenv.{adapters, cc.wrapper, darwin}
3. remove all references to libcxxabi outside of llvm (about 58 packages modified)
### merging libcxxabi into libcxx
- take the union of the libcxxabi and libcxx cmake flags
- eliminate the libcxx-headers-only package - it was only needed to break libcxx <-> libcxxabi circular dependency
- libcxx.cxxabi is removed. external cxxabi (freebsd) will symlink headers / libs into libcxx.
- darwin will re-export the libcxxabi symbols into libcxx so linking `-lc++` is sufficient.
- linux/freebsd `libc++.so` is a linker script `LINK(libc++.so.1, -lc++abi)` making `-lc++` sufficient.
- libcxx/default.nix [12, 17] are identical except for patches and `LIBCXX_ADDITIONAL_LIBRARIES` (only used in 16+)
- git/libcxx/defaul.nix does not link with -nostdlib when useLLVM is true so flag is removed. this is not much different than before as libcxxabi used -nostdlib where libcxx did not, so libc was linked in anyway.
### stdenv changes
- darwin bootstrap, remove references to libcxxabi and cxxabi
- cc-wrapper: remove c++ link workaround when libcxx.cxxabi doesn't exist (still exists for LLVM pre 12)
- adapter: update overrideLibcxx to account for a pkgs.stdenv that only has libcxx
### 58 package updates
- remove `NIX_LDFLAGS = "-l${stdenv.cc.libcxx.cxxabi.libName}` as no longer needed
- swift, nodejs_v8 remove libcxxabi references in the clang override
https://github.com/NixOS/nixpkgs/pull/292043
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Before the change `pkgsLLVM` attributes were failing to pull in
`compiler-rt` on `x86_64-linux`:
$ nix build --no-link -f. pkgsLLVM.asciidoc-full
error:
error: attribute 'llvmPackages_13' missing
at pkgs/stdenv/adapters.nix:86:32:
85| inherit libcxx;
86| extraPackages = [ cxxabi pkgs.pkgsTargetTarget."llvmPackages_${lib.versions.major llvmLibcxxVersion}".compiler-rt ];
| ^
87| });
It happens because `pkgs.pkgsTargetTarget` are always empty for
cross-packages like `pkgsLLVM.`, `pkgsCross.*.` or
`--arg crossSystem '...'`.
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rubyPackages.iconv, v8: fix build with clang 16
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The 10.12 Libsystem is not located as a sub-attribute of
`darwin.apple_sdk_10_12`. This will be fixed as part of the SDK changes
planned for post-23.11. In the meantime, special case it so the adapter
can be used to change the deployment target.
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This was taken from #264091 to use in the interim before that PR lands
(sometime after the release of 23.11). It allows different versions of
clang to link the same libc++, allowing dependencies to be linked when
they are built with a different version of clang than the stdenv.
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Update all propagated build inputs recursively, so that propagated
inputs with propagated inputs use the correct SDK.
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This is a replacement for using `darwin.apple_sdk_<ver>.callPackage`.
Instead of injecting the required packages, it provides a stdenv adapter
that modifies the derivation’s build inputs to use the requested SDK
versions. This modification extends to any build inputs propagated to it
as well. The `callPackage` approach is not deprecated yet, but it is
expected that it will be eventually.
Note that this is an MVP. It should work with most packages, but it only
handles build inputs and also only handles frameworks. Once more SDKs
are added (after #229210 is merged) and the SDK structure is normalized,
it can be extended to handle any package in the SDK namespace.
Cross-compilation may or may not work. Any cross-related issues can be
addressed after #256590 is merged.
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Co-Authored-By: Pavel Sobolev <paveloom@riseup.net>
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Make both ready for cross with prefixes
Currently
`pkgsCross.aarch64-multiplatform.mold.passthru.tests.{wrapped,adapter}`
fail with
```
Testing running the 'hello' binary which should be linked with 'mold'
Hello, world!
Checking for mold in the '.comment' section
No mention of 'mold' detected in the '.comment' section
The command was:
aarch64-unknown-linux-gnu-readelf -p .comment ...bin/hello
The output was:
String dump of section '.comment':
[ 0] GCC: (GNU) 12.3.0
```
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Without this, you get error messages during the install phase along the
lines of: "file RPATH_CHANGE could not write new RPATH:".
This is unsurprising because the static binaries do not have any dynamic
linker and thus, no runpath to rewrite either.
Tell cmake it doesn't need to do RPATH manipulation by passing
cmakeFlags.
While we're here, I also renamed `finalAttrs` to `args` and fixed the
indentation; this improves consistency with the surrounding code and
eliminates a point of confusion: because it was named `finalAttrs` I
presumed I should be able to influence it with an overrideAttrs setting
dontAddStaticConfigureFlags, but this turns out not to be possible;
adding prevAttrs as well doesn't work because of a limitation of
overrideAttrs whereby it gives an infinite recursion if the set of
attribute keys being returned depends on finalAttrs.
Signed-off-by: Peter Waller <p@pwaller.net>
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Comment was added in 3c36dcc and hasn't been needed because makeStaticBinaries already adds glibc.static
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Fixes issue 244232
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When sandboxing is enabled, the hook tries to run `install_name_tool`
and fails because the system one is inaccessible. Having it use
`targetPrefix` allows it to find and use the cross-install_name_tool.
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we have managed to migrate to NIX_CFLAGS_COMPILE to the env attrset well
enough that we don't need to support having it toplevel. mkDerivation
will throw if there's a attr in both env and toplevel so no need to
worry about that
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with structuredAttrs lists will be bash arrays which cannot be exported
which will be a issue with some patches and some wrappers like cc-wrapper
this makes it clearer that NIX_CFLAGS_COMPILE must be a string as lists
in env cause a eval failure
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stdenv: deprecate addCoverageInstrumentation adapter
this used to be used in nixos/tests but it hasn't been used in nixpkgs
for years
stdenv: deprecate replaceMaintainersField adapter
it was added in 2009 in 01e98e49b155d989d8c80066db6de910396cdcaa
by nbp
there are no uses of it in nixpkgs now
stdenv: deprecate validateLicenses adapter
it was added in 2009 in b29073af25cb0ff2d8d9a0aa1f958316904d3dc9
unfreePredicate is now handled in ./pkgs/stdenv/generic/check-meta.nix
so this is unnecessary
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Adds an easy method of appending compiler flags to your stdenv via a
list.
Co-authored-by: tomberek <tomberek@users.noreply.github.com>
Co-authored-by: Gytis Ivaskevicius <gytis02.21@gmail.com>
Co-authored-by: sternenseemann <sternenseemann@systemli.org>
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The old stdenv adapters were subtly wrong in two ways:
- `overrideAttrs` leaked the original, unoverridden `mkDerivation`.
- `stdenv.override` would throw away any manually-set `mkDerivation`
from a stdenv reverting to the original.
Now, `mkDerivation` is controlled (nearly directly) via an argument, and
always correctly closes over the final ("self") stdenv. This means the
adapters can work entirely via `.override` without any manual `stdenv //
...`, and both those issues are fixed.
Note hashes are changed, because stdenvs no previously overridden like
`stdenvNoCC` and `crossLibcStdenv` now are. I had to add some
`dontDisableStatic = true` accordingly. The flip side however is that
since the overrides compose, we no longer need to override anything but
the default `stdenv` from which all the others are created.
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With removeUnknownConfigureFlags, it's impossible to express a package
that needs --enable-static, but will not accept --disable-shared,
without overriding the result of removeUnknownConfigureFlags _again_
in pkgs/top-level/static.nix.
It would be much better (and more in line with the rest of Nixpkgs) if
we encoded changes needed for static builds in package definitions
themselves, rather than in an ever-expanding list in static.nix. This
is especially true when doing it in static.nix is going to require
multiple overrides to express what could be expressed with stdenv
options.
So as a step in that direction, and to fix the problem described
above, here I replace removeUnknownConfigureFlags with a new stdenv
option, dontAddStaticConfigureFlags. With this mechanism, a package
that needs one but not both of the flags just needs to set
dontAddStaticConfigureFlags and then set up configureFlags manually
based on stdenv.hostPlatform.isStatic.
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