1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
{ lib, stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
, llvmShared, llvmSharedForBuild, llvmSharedForHost, llvmSharedForTarget, llvmPackages
, fetchurl, file, python3
, darwin, cmake, rust, rustPlatform
, pkg-config, openssl
, libiconv
, which, libffi
, withBundledLLVM ? false
, enableRustcDev ? true
, version
, sha256
, patches ? []
}:
let
inherit (lib) optionals optional optionalString concatStringsSep;
inherit (darwin.apple_sdk.frameworks) Security;
in stdenv.mkDerivation rec {
pname = "rustc";
inherit version;
src = fetchurl {
url = "https://static.rust-lang.org/dist/rustc-${version}-src.tar.gz";
inherit sha256;
};
__darwinAllowLocalNetworking = true;
# rustc complains about modified source files otherwise
dontUpdateAutotoolsGnuConfigScripts = true;
# Running the default `strip -S` command on Darwin corrupts the
# .rlib files in "lib/".
#
# See https://github.com/NixOS/nixpkgs/pull/34227
#
# Running `strip -S` when cross compiling can harm the cross rlibs.
# See: https://github.com/NixOS/nixpkgs/pull/56540#issuecomment-471624656
stripDebugList = [ "bin" ];
NIX_LDFLAGS = toString (
# when linking stage1 libstd: cc: undefined reference to `__cxa_begin_catch'
optional (stdenv.isLinux && !withBundledLLVM) "--push-state --as-needed -lstdc++ --pop-state"
++ optional (stdenv.isDarwin && !withBundledLLVM) "-lc++"
++ optional stdenv.isDarwin "-rpath ${llvmSharedForHost}/lib");
# Increase codegen units to introduce parallelism within the compiler.
RUSTFLAGS = "-Ccodegen-units=10";
# We need rust to build rust. If we don't provide it, configure will try to download it.
# Reference: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
configureFlags = let
setBuild = "--set=target.${rust.toRustTarget stdenv.buildPlatform}";
setHost = "--set=target.${rust.toRustTarget stdenv.hostPlatform}";
setTarget = "--set=target.${rust.toRustTarget stdenv.targetPlatform}";
ccForBuild = "${pkgsBuildBuild.targetPackages.stdenv.cc}/bin/${pkgsBuildBuild.targetPackages.stdenv.cc.targetPrefix}cc";
cxxForBuild = "${pkgsBuildBuild.targetPackages.stdenv.cc}/bin/${pkgsBuildBuild.targetPackages.stdenv.cc.targetPrefix}c++";
ccForHost = "${pkgsBuildHost.targetPackages.stdenv.cc}/bin/${pkgsBuildHost.targetPackages.stdenv.cc.targetPrefix}cc";
cxxForHost = "${pkgsBuildHost.targetPackages.stdenv.cc}/bin/${pkgsBuildHost.targetPackages.stdenv.cc.targetPrefix}c++";
ccForTarget = "${pkgsBuildTarget.targetPackages.stdenv.cc}/bin/${pkgsBuildTarget.targetPackages.stdenv.cc.targetPrefix}cc";
cxxForTarget = "${pkgsBuildTarget.targetPackages.stdenv.cc}/bin/${pkgsBuildTarget.targetPackages.stdenv.cc.targetPrefix}c++";
in [
"--release-channel=stable"
"--set=build.rustc=${rustPlatform.rust.rustc}/bin/rustc"
"--set=build.cargo=${rustPlatform.rust.cargo}/bin/cargo"
"--enable-rpath"
"--enable-vendor"
"--build=${rust.toRustTargetSpec stdenv.buildPlatform}"
"--host=${rust.toRustTargetSpec stdenv.hostPlatform}"
# std is built for all platforms in --target. When building a cross-compiler
# we need to add the host platform as well so rustc can compile build.rs
# scripts.
"--target=${concatStringsSep "," ([
(rust.toRustTargetSpec stdenv.targetPlatform)
] ++ optionals (stdenv.hostPlatform != stdenv.targetPlatform) [
(rust.toRustTargetSpec stdenv.hostPlatform)
])}"
"${setBuild}.cc=${ccForBuild}"
"${setHost}.cc=${ccForHost}"
"${setTarget}.cc=${ccForTarget}"
"${setBuild}.linker=${ccForBuild}"
"${setHost}.linker=${ccForHost}"
"${setTarget}.linker=${ccForTarget}"
"${setBuild}.cxx=${cxxForBuild}"
"${setHost}.cxx=${cxxForHost}"
"${setTarget}.cxx=${cxxForTarget}"
] ++ optionals (!withBundledLLVM) [
"--enable-llvm-link-shared"
"${setBuild}.llvm-config=${llvmSharedForBuild.dev}/bin/llvm-config"
"${setHost}.llvm-config=${llvmSharedForHost.dev}/bin/llvm-config"
"${setTarget}.llvm-config=${llvmSharedForTarget.dev}/bin/llvm-config"
] ++ optionals (stdenv.isLinux && !stdenv.targetPlatform.isRedox) [
"--enable-profiler" # build libprofiler_builtins
] ++ optionals stdenv.buildPlatform.isMusl [
"${setBuild}.musl-root=${pkgsBuildBuild.targetPackages.stdenv.cc.libc}"
] ++ optionals stdenv.hostPlatform.isMusl [
"${setHost}.musl-root=${pkgsBuildHost.targetPackages.stdenv.cc.libc}"
] ++ optionals stdenv.targetPlatform.isMusl [
"${setTarget}.musl-root=${pkgsBuildTarget.targetPackages.stdenv.cc.libc}"
] ++ optionals (stdenv.isDarwin && stdenv.isx86_64) [
# https://github.com/rust-lang/rust/issues/92173
"--set rust.jemalloc"
];
# The bootstrap.py will generated a Makefile that then executes the build.
# The BOOTSTRAP_ARGS used by this Makefile must include all flags to pass
# to the bootstrap builder.
postConfigure = ''
substituteInPlace Makefile \
--replace 'BOOTSTRAP_ARGS :=' 'BOOTSTRAP_ARGS := --jobs $(NIX_BUILD_CORES)'
'';
# the rust build system complains that nix alters the checksums
dontFixLibtool = true;
inherit patches;
postPatch = ''
patchShebangs src/etc
${optionalString (!withBundledLLVM) "rm -rf src/llvm"}
# Fix the configure script to not require curl as we won't use it
sed -i configure \
-e '/probe_need CFG_CURL curl/d'
# Useful debugging parameter
# export VERBOSE=1
'';
# rustc unfortunately needs cmake to compile llvm-rt but doesn't
# use it for the normal build. This disables cmake in Nix.
dontUseCmakeConfigure = true;
nativeBuildInputs = [
file python3 rustPlatform.rust.rustc cmake
which libffi removeReferencesTo pkg-config
];
buildInputs = [ openssl ]
++ optionals stdenv.isDarwin [ libiconv Security ]
++ optional (!withBundledLLVM) llvmShared;
outputs = [ "out" "man" "doc" ];
setOutputFlags = false;
postInstall = lib.optionalString enableRustcDev ''
# install rustc-dev components. Necessary to build rls, clippy...
python x.py dist rustc-dev
tar xf build/dist/rustc-dev*tar.gz
cp -r rustc-dev*/rustc-dev*/lib/* $out/lib/
rm $out/lib/rustlib/install.log
for m in $out/lib/rustlib/manifest-rust*
do
sort --output=$m < $m
done
'' + ''
# remove references to llvm-config in lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so
# and thus a transitive dependency on ncurses
find $out/lib -name "*.so" -type f -exec remove-references-to -t ${llvmShared} '{}' '+'
# remove uninstall script that doesn't really make sense for Nix.
rm $out/lib/rustlib/uninstall.sh
'';
configurePlatforms = [];
# https://github.com/NixOS/nixpkgs/pull/21742#issuecomment-272305764
# https://github.com/rust-lang/rust/issues/30181
# enableParallelBuilding = false;
setupHooks = ./setup-hook.sh;
requiredSystemFeatures = [ "big-parallel" ];
passthru = {
llvm = llvmShared;
inherit llvmPackages;
};
meta = with lib; {
homepage = "https://www.rust-lang.org/";
description = "A safe, concurrent, practical language";
maintainers = with maintainers; [ madjar cstrahan globin havvy ];
license = [ licenses.mit licenses.asl20 ];
platforms = platforms.linux ++ platforms.darwin;
};
}
|