libredirect: Add support for Darwin #50246
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The library can be used also on Darwin using it like this:
NIX_REDIRECTS='foo=bar' \
DYLD_INSERT_LIBRARIES=${libredirect}/lib/libredirect.so \
DYLD_FORCE_FLAT_NAMESPACE=1 \
some_program
So let's actually not hardcade gcc and add Darwin to meta.platforms.
No other changes seem to be required.
Signed-off-by: aszlig <aszlig@nix.build>
GrahamcOfBorg
added
6.topic: darwin
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@GrahamcOfBorg build libredirect |
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zimbatm
reviewed
Nov 12, 2018
This is to make sure we get the correct shared library suffix of the target platform. While for example on Darwin it would even work with the hardcoded .so prefix it's IMHO a bit nicer to have the actual native extension. Signed-off-by: aszlig <aszlig@nix.build>
This is just a sanity check on whether the library correctly wraps the
syscalls and it's using the "true" executable for posix_spawn() and
execv().
The installCheckPhase is not executed if we are cross-compiling, so this
shouldn't break cross-compilation.
One thing I'm not actually sure is whether ${coreutils}/bin/true is
universally available on all the platforms, nor whether all the
functions we use in the test are available, but we can still fix that
after we've found out about that.
Signed-off-by: aszlig <aszlig@nix.build>
aszlig
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Success on x86_64-linux (full log) Attempted: libredirect Partial log (click to expand)
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Success on aarch64-linux (full log) Attempted: libredirect Partial log (click to expand)
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Failure on x86_64-darwin (full log) Attempted: libredirect Partial log (click to expand)
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aszlig
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Nov 12, 2018
Pull request NixOS#50246 was merged a bit too quickly and it was supposed to fix libredirect on Darwin. However it still fails on Darwin because I was using ofborg to check Darwin builds as I don't have Apple hardware. Providing a symbol for stat shouldn't hurt on GNU/Linux but might work on Darwin, because it probably doesn't have __xstat*() but might have a stat() symbol. Signed-off-by: aszlig <aszlig@nix.build>
aszlig
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Nov 12, 2018
Pull request #50246 was merged a bit too quickly and it was supposed to fix libredirect on Darwin. However it still failed on Darwin and this was missed by the person merging the pull request. The reason this was failing was that there is no __xstat* on Darwin. So I'm adding a wrapper for stat() as well as it works on Darwin and it still doesn't hurt on GNU/Linux. Signed-off-by: aszlig <aszlig@nix.build> Cc: @edolstra, @zimbatm
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I am going to back-port this to 18.09 unless there are objections |
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The |
zimbatm
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Nov 13, 2018
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The library can be used also on Darwin using it like this:
So let's actually not hardcade gcc and add Darwin to
meta.platforms.No other changes seem to be required.
Cc: @zimbatm, @edolstra, @dezgeg, @copumpkin