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bootstrap.nix
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bootstrap.nix
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{ debug ? false, stage0debug ? false, extraCMakeFlags ? [],
stdenv, lib, cmake, gmp, gnumake, bash, buildLeanPackage, writeShellScriptBin, runCommand, symlinkJoin, lndir, perl, gnused, darwin, llvmPackages,
... } @ args:
with builtins;
rec {
inherit stdenv;
sourceByRegex = p: rs: lib.sourceByRegex p (map (r: "(/src/)?${r}") rs);
buildCMake = args: stdenv.mkDerivation ({
nativeBuildInputs = [ cmake ];
buildInputs = [ gmp llvmPackages.llvm ];
# https://github.com/NixOS/nixpkgs/issues/60919
hardeningDisable = [ "all" ];
dontStrip = (args.debug or debug);
postConfigure = ''
patchShebangs .
'';
} // args // {
src = args.realSrc or (sourceByRegex args.src [ "[a-z].*" "CMakeLists\.txt" ]);
cmakeFlags = (args.cmakeFlags or [ "-DSTAGE=1" "-DLLVM=ON" "-DPREV_STAGE=./faux-prev-stage" "-DUSE_GITHASH=OFF" ]) ++ (args.extraCMakeFlags or extraCMakeFlags) ++ lib.optional (args.debug or debug) [ "-DCMAKE_BUILD_TYPE=Debug" ];
preConfigure = args.preConfigure or "" + ''
# ignore absence of submodule
sed -i 's!lake/Lake.lean!!' CMakeLists.txt
'';
});
lean-bin-tools-unwrapped = buildCMake {
name = "lean-bin-tools";
outputs = [ "out" "leanc_src" ];
realSrc = sourceByRegex ../src [ "CMakeLists\.txt" "cmake.*" "bin.*" "include.*" ".*\.in" "Leanc\.lean" ];
preConfigure = ''
touch empty.cpp
sed -i 's/add_subdirectory.*//;s/set(LEAN_OBJS.*/set(LEAN_OBJS empty.cpp)/' CMakeLists.txt
'';
dontBuild = true;
installPhase = ''
mkdir $out $leanc_src
mv bin/ include/ share/ $out/
mv leanc.sh $out/bin/leanc
mv leanc/Leanc.lean $leanc_src/
substituteInPlace $out/bin/leanc --replace '$root' "$out" --replace " sed " " ${gnused}/bin/sed "
substituteInPlace $out/bin/leanmake --replace "make" "${gnumake}/bin/make"
substituteInPlace $out/share/lean/lean.mk --replace "/usr/bin/env bash" "${bash}/bin/bash"
'';
};
leancpp = buildCMake {
name = "leancpp";
src = ../src;
buildFlags = [ "leancpp" "leanrt" "leanrt_initial-exec" "shell" "runtime_bc" ];
installPhase = ''
mkdir -p $out
mv lib/ $out/
mv shell/CMakeFiles/shell.dir/lean.cpp.o $out/lib
mv runtime/libleanrt_initial-exec.a runtime/lean.h.bc $out/lib
'';
};
# rename derivation so `nix run` uses the right executable name but we still see the stage in the build log
wrapStage = stage: runCommand "lean" {} ''
ln -s ${stage} $out
'';
stage0 = wrapStage (args.stage0 or (buildCMake {
name = "lean-stage0";
realSrc = ../stage0/src;
debug = stage0debug;
cmakeFlags = [ "-DSTAGE=0" ];
extraCMakeFlags = [];
preConfigure = ''
ln -s ${../stage0/stdlib} ../stdlib
'';
installPhase = ''
mkdir -p $out/bin $out/lib/lean
mv bin/lean $out/bin/
mv lib/lean/libleanshared.* $out/lib/lean
'' + lib.optionalString stdenv.isDarwin ''
for lib in $(otool -L $out/bin/lean | tail -n +2 | cut -d' ' -f1); do
if [[ "$lib" == *lean* ]]; then install_name_tool -change "$lib" "$out/lib/lean/$(basename $lib)" $out/bin/lean; fi
done
otool -L $out/bin/lean
'';
}));
stage = { stage, prevStage, self }:
let
desc = "stage${toString stage}";
build = args: buildLeanPackage.override {
lean = prevStage;
leanc = lean-bin-tools-unwrapped;
# use same stage for retrieving dependencies
lean-leanDeps = stage0;
lean-final = self;
leanFlags = [ "-DwarningAsError=true" ];
} ({
src = ../src;
roots = [ { mod = args.name; glob = "andSubmodules"; } ];
fullSrc = ../.;
srcPrefix = "src";
inherit debug;
} // args);
Init' = build { name = "Init"; deps = []; };
Lean' = build { name = "Lean"; deps = [ Init' ]; };
attachSharedLib = sharedLib: pkg: pkg // {
inherit sharedLib;
mods = mapAttrs (_: m: m // { inherit sharedLib; propagatedLoadDynlibs = []; }) pkg.mods;
};
in (all: all // all.lean) rec {
inherit (Lean) emacs-dev emacs-package vscode-dev vscode-package;
Init = attachSharedLib leanshared Init';
Lean = attachSharedLib leanshared Lean' // { allExternalDeps = [ Init ]; };
stdlib = [ Init Lean ];
modDepsFiles = symlinkJoin { name = "modDepsFiles"; paths = map (l: l.modDepsFile) (stdlib ++ [ Leanc ]); };
iTree = symlinkJoin { name = "ileans"; paths = map (l: l.iTree) stdlib; };
extlib = stdlib; # TODO: add Lake
Leanc = build { name = "Leanc"; src = lean-bin-tools-unwrapped.leanc_src; deps = stdlib; roots = [ "Leanc" ]; };
stdlibLinkFlags = "-L${Init.staticLib} -L${Lean.staticLib} -L${leancpp}/lib/lean";
leanshared = runCommand "leanshared" { buildInputs = [ stdenv.cc ]; libName = "libleanshared${stdenv.hostPlatform.extensions.sharedLibrary}"; } ''
mkdir $out
LEAN_CC=${stdenv.cc}/bin/cc ${lean-bin-tools-unwrapped}/bin/leanc -shared ${lib.optionalString stdenv.isLinux "-Bsymbolic"} \
${if stdenv.isDarwin then "-Wl,-force_load,${Init.staticLib}/libInit.a -Wl,-force_load,${Lean.staticLib}/libLean.a -Wl,-force_load,${leancpp}/lib/lean/libleancpp.a ${leancpp}/lib/libleanrt_initial-exec.a -lc++"
else "-Wl,--whole-archive -lInit -lLean -lleancpp ${leancpp}/lib/libleanrt_initial-exec.a -Wl,--no-whole-archive -lstdc++"} -lm ${stdlibLinkFlags} \
$(${llvmPackages.libllvm.dev}/bin/llvm-config --ldflags --libs) \
-o $out/$libName
'';
mods = Init.mods // Lean.mods;
leanc = writeShellScriptBin "leanc" ''
LEAN_CC=${stdenv.cc}/bin/cc ${Leanc.executable.override { withSharedStdlib = true; }}/bin/leanc -I${lean-bin-tools-unwrapped}/include ${stdlibLinkFlags} -L${leanshared} "$@"
'';
lean = runCommand "lean" { buildInputs = lib.optional stdenv.isDarwin darwin.cctools; } ''
mkdir -p $out/bin
${leanc}/bin/leanc ${leancpp}/lib/lean.cpp.o ${leanshared}/* -o $out/bin/lean
'';
# derivation following the directory layout of the "basic" setup, mostly useful for running tests
lean-all = wrapStage(stdenv.mkDerivation {
name = "lean-${desc}";
buildCommand = ''
mkdir -p $out/bin $out/lib/lean
ln -sf ${leancpp}/lib/lean/* ${lib.concatMapStringsSep " " (l: "${l.modRoot}/* ${l.staticLib}/*") (lib.reverseList extlib)} ${leanshared}/* $out/lib/lean/
# put everything in a single final derivation so `IO.appDir` references work
cp ${lean}/bin/lean ${leanc}/bin/leanc $out/bin
# NOTE: `lndir` will not override existing `bin/leanc`
${lndir}/bin/lndir -silent ${lean-bin-tools-unwrapped} $out
'';
});
test = buildCMake {
name = "lean-test-${desc}";
realSrc = lib.sourceByRegex ../. [ "src.*" "tests.*" ];
buildInputs = [ gmp perl ];
preConfigure = ''
cd src
'';
extraCMakeFlags = [ "-DLLVM=OFF" ];
postConfigure = ''
patchShebangs ../../tests
rm -r bin lib include share
ln -sf ${lean-all}/* .
'';
buildPhase = ''
ctest --output-on-failure -E 'leancomptest_(doc_example|foreign)|laketest|leanpkgtest' -j$NIX_BUILD_CORES
'';
installPhase = ''
touch $out
'';
};
update-stage0 =
let cTree = symlinkJoin { name = "cs"; paths = map (l: l.cTree) stdlib; }; in
writeShellScriptBin "update-stage0" ''
CSRCS=${cTree} CP_C_PARAMS="--dereference --no-preserve=all" ${../script/update-stage0}
'';
update-stage0-commit = writeShellScriptBin "update-stage0-commit" ''
set -euo pipefail
${update-stage0}/bin/update-stage0
git commit -m "chore: update stage0"
'';
link-ilean = writeShellScriptBin "link-ilean" ''
dest=''${1:-src}
rm -rf $dest/build/lib || true
mkdir -p $dest/build/lib
ln -s ${iTree}/* $dest/build/lib
'';
benchmarks =
let
entries = attrNames (readDir ../tests/bench);
leanFiles = map (n: elemAt n 0) (filter (n: n != null) (map (match "(.*)\.lean") entries));
in lib.genAttrs leanFiles (n: (buildLeanPackage {
name = n;
src = filterSource (e: _: baseNameOf e == "${n}.lean") ../tests/bench;
}).executable);
};
stage1 = stage { stage = 1; prevStage = stage0; self = stage1; };
stage2 = stage { stage = 2; prevStage = stage1; self = stage2; };
stage3 = stage { stage = 3; prevStage = stage2; self = stage3; };
}