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48 lines
1.8 KiB
Nix
48 lines
1.8 KiB
Nix
{ rust-bindgen-unwrapped, zlib, bash, runCommand, runCommandCC }:
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let
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clang = rust-bindgen-unwrapped.clang;
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self = runCommand "rust-bindgen-${rust-bindgen-unwrapped.version}"
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{
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#for substituteAll
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inherit bash;
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unwrapped = rust-bindgen-unwrapped;
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libclang = clang.cc.lib;
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meta = rust-bindgen-unwrapped.meta // {
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longDescription = rust-bindgen-unwrapped.meta.longDescription + ''
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This version of bindgen is wrapped with the required compiler flags
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required to find the c and c++ standard library, as well as the libraries
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specified in the buildInputs of your derivation.
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'';
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};
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passthru.tests = {
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simple-c = runCommandCC "simple-c-bindgen-tests" { } ''
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echo '#include <stdlib.h>' > a.c
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${self}/bin/bindgen a.c --allowlist-function atoi | tee output
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grep atoi output
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touch $out
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'';
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simple-cpp = runCommandCC "simple-cpp-bindgen-tests" { } ''
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echo '#include <cmath>' > a.cpp
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${self}/bin/bindgen a.cpp --allowlist-function erf -- -xc++ | tee output
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grep erf output
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touch $out
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'';
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with-lib = runCommandCC "zlib-bindgen-tests" { buildInputs = [ zlib ]; } ''
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echo '#include <zlib.h>' > a.c
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${self}/bin/bindgen a.c --allowlist-function compress | tee output
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grep compress output
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touch $out
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'';
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};
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}
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# if you modify the logic to find the right clang flags, also modify rustPlatform.bindgenHook
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''
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mkdir -p $out/bin
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export cincludes="$(< ${clang}/nix-support/cc-cflags) $(< ${clang}/nix-support/libc-cflags)"
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export cxxincludes="$(< ${clang}/nix-support/libcxx-cxxflags)"
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substituteAll ${./wrapper.sh} $out/bin/bindgen
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chmod +x $out/bin/bindgen
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'';
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in
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self
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