| Commit message (Collapse) | Author | Age |
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I originally wrote this for packaging proprietary games in Vuizvui[1]
but I thought it would be generally useful as we have a fair amount of
proprietary software lurking around in nixpkgs, which are a bit tedious
to maintain, especially when the library dependencies change after an
update.
So this setup hook searches for all ELF executables and libraries in the
resulting output paths after install phase and uses patchelf to set the
RPATH and interpreter according to what dependencies are available
inside the builder.
For example consider something like this:
stdenv.mkDerivation {
...
nativeBuildInputs = [ autoPatchelfHook ];
buildInputs = [ mesa zlib ];
...
}
Whenever for example an executable requires mesa or zlib, the RPATH will
automatically be set to the lib dir of the corresponding dependency.
If the library dependency is required at runtime, an attribute called
runtimeDependencies can be used to list dependencies that are added to
all executables that are discovered unconditionally.
Beside this, it also makes initial packaging of proprietary software
easier, because one no longer has to manually figure out the
dependencies in the first place.
[1]: https://github.com/openlab-aux/vuizvui
Signed-off-by: aszlig <aszlig@nix.build>
Closes: #34506
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compiling
I hope this will be a temporary measure. If there is consensus around
issue #33599, then we can follow an explicit `dontCheck`, but default to
not checking during cross builds when none is given.
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This accounts for all the new dependencies and propagation logic changes
I'm about to add.
Fixes #1915---with this change I think the distinction is finally clear
enough.
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Shrunk the CC Wrapper documentation so as not to be repetative.
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The main motivation for this is to have something to google for LD=$CC.
Eventually, this should probably be moved to another section, but we
can deal with that later.
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Packages get --host and --target by default, but can explicitly request
any subset to be passed as needed. See docs for more info.
rustc: Avoid hash breakage by using the old (ignored)
dontSetConfigureCross when not cross building
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nixpkgs manual: advise against overriding whole phases
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I've seen that mistake at least a few times already, e.g.
https://github.com/NixOS/nixpkgs/pull/26209#issuecomment-305925562
It might perhaps seem counter-intuitive if one doesn't know nixpkgs well.
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Add function documentation to `makeWrapper`.
Also add user documentation to the nixpkgs manual.
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Do so in the stdenv section where the other two are discussed. This can be
done without brining up cross-compilation by talking about build-time vs
run-time.
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Fixes #18887.
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`stripHash` documentation states that it prints out the stripped name to
the stdout, but the function stored the value in `strippedName`
instead.
Basically all usages did something like
`$(stripHash $foo | echo $strippedName)` which is just braindamaged.
Fixed the implementation and all invocations.
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doc: specify that *Flags are string lists
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Introduced by mistake
This reverts commit e71a5cb87841f0af4a2279517b77a9a07ba394c0.
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stripHash uses a global variable to communicate it's computation
results, but it's not necessary. You can just pipe to stdout in a
subshell. A function mostly behaves like just another command.
baseHash() also introduces a suffix-stripping capability since it's
something the users of the function tend to use.
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The documentation now matches the behavior of the function.
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Some variables are filtered out as of #14907.
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You can now pass
separateDebugInfo = true;
to mkDerivation. This causes debug info to be separated from ELF
binaries and stored in the "debug" output. The advantage is that it
enables installing lean binaries, while still having the ability to
make sense of core dumps, etc.
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This commit also use enforces consistent use of the prefixes "sec" for
section and "ssec" for subsection.
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