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
193
194
195
196
197
|
{ lowPrio, newScope, pkgs, lib, stdenv, cmake, gccForLibs
, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
, buildPackages
, buildLlvmTools # tools, but from the previous stage, for cross
, targetLlvmLibraries # libraries, but from the next stage, for cross
}:
let
release_version = "10.0.1";
version = release_version; # differentiating these (variables) is important for RCs
targetConfig = stdenv.targetPlatform.config;
fetch = name: sha256: fetchurl {
url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}/${name}-${version}.src.tar.xz";
inherit sha256;
};
clang-tools-extra_src = fetch "clang-tools-extra" "06n1yp638rh24xdxv9v2df0qajxbjz4w59b7dd4ky36drwmpi4yh";
tools = lib.makeExtensible (tools: let
callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
mkExtraBuildCommands = cc: ''
rsrc="$out/resource-root"
mkdir "$rsrc"
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
ln -s "${targetLlvmLibraries.compiler-rt.out}/share" "$rsrc/share"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'' + lib.optionalString (stdenv.targetPlatform.isLinux && !(stdenv.targetPlatform.useLLVM or false)) ''
echo "--gcc-toolchain=${gccForLibs}" >> $out/nix-support/cc-cflags
'';
in {
llvm = callPackage ./llvm.nix { };
clang-unwrapped = callPackage ./clang {
inherit (tools) lld;
inherit clang-tools-extra_src;
};
# disabled until recommonmark supports sphinx 3
#Llvm-manpages = lowPrio (tools.llvm.override {
# enableManpages = true;
# python3 = pkgs.python3; # don't use python-boot
#});
clang-manpages = lowPrio (tools.clang-unwrapped.override {
enableManpages = true;
python3 = pkgs.python3; # don't use python-boot
});
# disabled until recommonmark supports sphinx 3
# lldb-manpages = lowPrio (tools.lldb.override {
# enableManpages = true;
# python3 = pkgs.python3; # don't use python-boot
# });
libclang = tools.clang-unwrapped.lib;
clang = if stdenv.cc.isGNU then tools.libstdcxxClang else tools.libcxxClang;
libstdcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
# libstdcxx is taken from gcc in an ad-hoc way in cc-wrapper.
libcxx = null;
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
libcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = targetLlvmLibraries.libcxx;
extraPackages = [
targetLlvmLibraries.libcxxabi
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = mkExtraBuildCommands cc;
};
lld = callPackage ./lld.nix {};
lldb = callPackage ./lldb.nix {};
# Below, is the LLVM bootstrapping logic. It handles building a
# fully LLVM toolchain from scratch. No GCC toolchain should be
# pulled in. As a consequence, it is very quick to build different
# targets provided by LLVM and we can also build for what GCC
# doesn’t support like LLVM. Probably we should move to some other
# file.
bintools = callPackage ./bintools.nix {};
lldClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = targetLlvmLibraries.libcxx;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
};
extraPackages = [
targetLlvmLibraries.libcxxabi
targetLlvmLibraries.compiler-rt
] ++ lib.optionals (!stdenv.targetPlatform.isWasm) [
targetLlvmLibraries.libunwind
];
extraBuildCommands = ''
echo "-rtlib=compiler-rt -Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
'' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
'' + lib.optionalString stdenv.targetPlatform.isWasm ''
echo "-fno-exceptions" >> $out/nix-support/cc-cflags
'' + mkExtraBuildCommands cc;
};
lldClangNoLibcxx = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
};
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = ''
echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
echo "-nostdlib++" >> $out/nix-support/cc-cflags
'' + mkExtraBuildCommands cc;
};
lldClangNoLibc = wrapCCWith rec {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
libc = null;
};
extraPackages = [
targetLlvmLibraries.compiler-rt
];
extraBuildCommands = ''
echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
'' + mkExtraBuildCommands cc;
};
lldClangNoCompilerRt = wrapCCWith {
cc = tools.clang-unwrapped;
libcxx = null;
bintools = wrapBintoolsWith {
inherit (tools) bintools;
libc = null;
};
extraPackages = [ ];
extraBuildCommands = ''
echo "-nostartfiles" >> $out/nix-support/cc-cflags
'';
};
});
libraries = lib.makeExtensible (libraries: let
callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch; });
in {
compiler-rt = callPackage ./compiler-rt.nix ({} //
(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoCompilerRt;
}));
stdenv = overrideCC stdenv buildLlvmTools.clang;
libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
libcxx = callPackage ./libc++ ({} //
(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
}));
libcxxabi = callPackage ./libc++abi.nix ({} //
(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
libunwind = libraries.libunwind;
}));
openmp = callPackage ./openmp.nix {};
libunwind = callPackage ./libunwind.nix ({} //
(lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
}));
});
in { inherit tools libraries; } // libraries // tools
|