tjh.dev
1{
2 lib,
3 rust-bindgen-unwrapped,
4 zlib,
5 bash,
6 runCommand,
7 runCommandCC,
8}:
9let
10 clang = rust-bindgen-unwrapped.clang;
11 self =
12 runCommand "rust-bindgen-${rust-bindgen-unwrapped.version}"
13 {
14 #for substituteAll
15 inherit bash;
16 unwrapped = rust-bindgen-unwrapped;
17 libclang = (lib.getLib clang.cc);
18 meta = rust-bindgen-unwrapped.meta // {
19 longDescription = rust-bindgen-unwrapped.meta.longDescription + ''
20 This version of bindgen is wrapped with the required compiler flags
21 required to find the c and c++ standard library, as well as the libraries
22 specified in the buildInputs of your derivation.
23 '';
24 };
25 passthru.tests = {
26 simple-c = runCommandCC "simple-c-bindgen-tests" { } ''
27 echo '#include <stdlib.h>' > a.c
28 ${self}/bin/bindgen a.c --allowlist-function atoi | tee output
29 grep atoi output
30 touch $out
31 '';
32 simple-cpp = runCommandCC "simple-cpp-bindgen-tests" { } ''
33 echo '#include <cmath>' > a.cpp
34 ${self}/bin/bindgen a.cpp --allowlist-function erf -- -xc++ | tee output
35 grep erf output
36 touch $out
37 '';
38 with-lib = runCommandCC "zlib-bindgen-tests" { buildInputs = [ zlib ]; } ''
39 echo '#include <zlib.h>' > a.c
40 ${self}/bin/bindgen a.c --allowlist-function compress | tee output
41 grep compress output
42 touch $out
43 '';
44 };
45 }
46 # if you modify the logic to find the right clang flags, also modify rustPlatform.bindgenHook
47 ''
48 mkdir -p $out/bin
49 export cincludes="$(< ${clang}/nix-support/cc-cflags) $(< ${clang}/nix-support/libc-cflags)"
50 export cxxincludes="$(< ${clang}/nix-support/libcxx-cxxflags)"
51 substituteAll ${./wrapper.sh} $out/bin/bindgen
52 chmod +x $out/bin/bindgen
53 '';
54in
55self