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
|
{
lib,
stdenv,
fetchFromCodeberg,
cmake,
llvmPackages,
xcbuild,
libxml2,
ninja,
zlib,
coreutils,
callPackage,
version,
hash,
overrideCC,
wrapCCWith,
wrapBintoolsWith,
...
}@args:
stdenv.mkDerivation (finalAttrs: {
pname = "zig";
inherit version;
src = fetchFromCodeberg {
owner = "ziglang";
repo = "zig";
rev = finalAttrs.version;
inherit hash;
};
patches = args.patches or [ ];
nativeBuildInputs = [
cmake
(lib.getDev llvmPackages.llvm.dev)
ninja
]
++ lib.optionals stdenv.hostPlatform.isDarwin [
# provides xcode-select, which is required for SDK detection
xcbuild
];
buildInputs = [
libxml2
zlib
]
++ (with llvmPackages; [
libclang
lld
llvm
]);
cmakeFlags = [
# file RPATH_CHANGE could not write new RPATH
(lib.cmakeBool "CMAKE_SKIP_BUILD_RPATH" true)
# ensure determinism in the compiler build
(lib.cmakeFeature "ZIG_TARGET_MCPU" "baseline")
# always link against static build of LLVM
(lib.cmakeBool "ZIG_STATIC_LLVM" true)
];
outputs = [
"out"
"doc"
];
strictDeps = true;
__structuredAttrs = true;
# On Darwin, Zig calls std.zig.system.darwin.macos.detect during the build,
# which parses /System/Library/CoreServices/SystemVersion.plist and
# /System/Library/CoreServices/.SystemVersionPlatform.plist to determine the
# OS version. This causes the build to fail during stage 3 with
# OSVersionDetectionFail when the sandbox is enabled.
__impureHostDeps = lib.optionals stdenv.hostPlatform.isDarwin [
"/System/Library/CoreServices/.SystemVersionPlatform.plist"
];
preBuild = ''
export ZIG_GLOBAL_CACHE_DIR="$TMPDIR/zig-cache";
'';
postPatch =
# Zig's build looks at /usr/bin/env to find dynamic linking info. This doesn't
# work in Nix's sandbox. Use env from our coreutils instead.
''
substituteInPlace lib/std/zig/system.zig \
--replace-fail "/usr/bin/env" "${lib.getExe' coreutils "env"}"
''
# Zig tries to access xcrun and xcode-select at the absolute system path to query the macOS SDK
# location, which does not work in the darwin sandbox.
# Upstream issue: https://github.com/ziglang/zig/issues/22600
# Note that while this fix is already merged upstream and will be included in 0.14+,
# we can't fetchpatch the upstream commit as it won't cleanly apply on older versions,
# so we substitute the paths instead.
+ lib.optionalString (stdenv.hostPlatform.isDarwin && lib.versionOlder finalAttrs.version "0.14") ''
substituteInPlace lib/std/zig/system/darwin.zig \
--replace-fail /usr/bin/xcrun xcrun \
--replace-fail /usr/bin/xcode-select xcode-select
'';
postBuild =
if lib.versionAtLeast finalAttrs.version "0.14" then
''
stage3/bin/zig build langref --zig-lib-dir $(pwd)/stage3/lib/zig
''
else
''
stage3/bin/zig build langref
'';
postInstall = ''
install -Dm444 ../zig-out/doc/langref.html -t $doc/share/doc/zig-${finalAttrs.version}/html
'';
doInstallCheck = true;
installCheckPhase = ''
runHook preInstallCheck
$out/bin/zig test --cache-dir "$TMPDIR/zig-test-cache" -I $src/test $src/test/behavior.zig
runHook postInstallCheck
'';
passthru = import ./passthru.nix {
inherit
stdenv
callPackage
wrapCCWith
wrapBintoolsWith
overrideCC
;
zig = finalAttrs.finalPackage;
};
env = {
# This zig_default_optimize_flag below is meant to avoid CPU feature impurity in
# Nixpkgs. However, this flagset is "unstable": it is specifically meant to
# be controlled by the upstream development team - being up to that team
# exposing or not that flags to the outside (especially the package manager
# teams).
# Because of this hurdle, @andrewrk from Zig Software Foundation proposed
# some solutions for this issue. Hopefully they will be implemented in
# future releases of Zig. When this happens, this flagset should be
# revisited accordingly.
# Below are some useful links describing the discovery process of this 'bug'
# in Nixpkgs:
# https://github.com/NixOS/nixpkgs/issues/169461
# https://github.com/NixOS/nixpkgs/issues/185644
# https://github.com/NixOS/nixpkgs/pull/197046
# https://github.com/NixOS/nixpkgs/pull/241741#issuecomment-1624227485
# https://github.com/ziglang/zig/issues/14281#issuecomment-1624220653
zig_default_cpu_flag = "-Dcpu=baseline";
zig_default_optimize_flag = "--release=safe";
};
setupHook = ./setup-hook.sh;
# while xcrun is already included in the darwin stdenv, Zig also needs
# xcode-select (provided by xcbuild) for SDK detection
propagatedNativeBuildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ xcbuild ];
meta = {
description = "General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software";
homepage = "https://ziglang.org/";
changelog = "https://ziglang.org/download/${finalAttrs.version}/release-notes.html";
donationPage = "https://ziglang.org/zsf/";
license = lib.licenses.mit;
maintainers = [ ];
teams = [ lib.teams.zig ];
mainProgram = "zig";
platforms = lib.platforms.unix;
};
})
|
