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const std = @import("std");
const Step = std.Build.Step;
const InstallDir = std.Build.InstallDir;
const InstallArtifact = @This();
const fs = std.fs;
const LazyPath = std.Build.LazyPath;
step: Step,
dest_dir: ?InstallDir,
dest_sub_path: []const u8,
emitted_bin: ?LazyPath,
implib_dir: ?InstallDir,
emitted_implib: ?LazyPath,
pdb_dir: ?InstallDir,
emitted_pdb: ?LazyPath,
h_dir: ?InstallDir,
emitted_h: ?LazyPath,
dylib_symlinks: ?DylibSymlinkInfo,
artifact: *Step.Compile,
const DylibSymlinkInfo = struct {
major_only_filename: []const u8,
name_only_filename: []const u8,
};
pub const base_id = .install_artifact;
pub const Options = struct {
/// Which installation directory to put the main output file into.
dest_dir: Dir = .default,
pdb_dir: Dir = .default,
h_dir: Dir = .default,
implib_dir: Dir = .default,
/// Whether to install symlinks along with dynamic libraries.
dylib_symlinks: ?bool = null,
/// If non-null, adds additional path components relative to bin dir, and
/// overrides the basename of the Compile step for installation purposes.
dest_sub_path: ?[]const u8 = null,
pub const Dir = union(enum) {
disabled,
default,
override: InstallDir,
};
};
pub fn create(owner: *std.Build, artifact: *Step.Compile, options: Options) *InstallArtifact {
const self = owner.allocator.create(InstallArtifact) catch @panic("OOM");
const dest_dir: ?InstallDir = switch (options.dest_dir) {
.disabled => null,
.default => switch (artifact.kind) {
.obj => @panic("object files have no standard installation procedure"),
.exe, .@"test" => InstallDir{ .bin = {} },
.lib => InstallDir{ .lib = {} },
},
.override => |o| o,
};
self.* = .{
.step = Step.init(.{
.id = base_id,
.name = owner.fmt("install {s}", .{artifact.name}),
.owner = owner,
.makeFn = make,
}),
.dest_dir = dest_dir,
.pdb_dir = switch (options.pdb_dir) {
.disabled => null,
.default => if (artifact.producesPdbFile()) dest_dir else null,
.override => |o| o,
},
.h_dir = switch (options.h_dir) {
.disabled => null,
// https://github.com/ziglang/zig/issues/9698
.default => null,
//.default => switch (artifact.kind) {
// .lib => .header,
// else => null,
//},
.override => |o| o,
},
.implib_dir = switch (options.implib_dir) {
.disabled => null,
.default => if (artifact.producesImplib()) dest_dir else null,
.override => |o| o,
},
.dylib_symlinks = if (options.dylib_symlinks orelse (dest_dir != null and
artifact.isDynamicLibrary() and
artifact.version != null and
std.Build.wantSharedLibSymLinks(artifact.rootModuleTarget()))) .{
.major_only_filename = artifact.major_only_filename.?,
.name_only_filename = artifact.name_only_filename.?,
} else null,
.dest_sub_path = options.dest_sub_path orelse artifact.out_filename,
.emitted_bin = null,
.emitted_pdb = null,
.emitted_h = null,
.emitted_implib = null,
.artifact = artifact,
};
self.step.dependOn(&artifact.step);
if (self.dest_dir != null) self.emitted_bin = artifact.getEmittedBin();
if (self.pdb_dir != null) self.emitted_pdb = artifact.getEmittedPdb();
if (self.h_dir != null) self.emitted_h = artifact.getEmittedH();
if (self.implib_dir != null) self.emitted_implib = artifact.getEmittedImplib();
return self;
}
fn make(step: *Step, prog_node: *std.Progress.Node) !void {
_ = prog_node;
const self: *InstallArtifact = @fieldParentPtr("step", step);
const dest_builder = step.owner;
const cwd = fs.cwd();
var all_cached = true;
if (self.dest_dir) |dest_dir| {
const full_dest_path = dest_builder.getInstallPath(dest_dir, self.dest_sub_path);
const full_src_path = self.emitted_bin.?.getPath2(step.owner, step);
const p = fs.Dir.updateFile(cwd, full_src_path, cwd, full_dest_path, .{}) catch |err| {
return step.fail("unable to update file from '{s}' to '{s}': {s}", .{
full_src_path, full_dest_path, @errorName(err),
});
};
all_cached = all_cached and p == .fresh;
if (self.dylib_symlinks) |dls| {
try Step.Compile.doAtomicSymLinks(step, full_dest_path, dls.major_only_filename, dls.name_only_filename);
}
self.artifact.installed_path = full_dest_path;
}
if (self.implib_dir) |implib_dir| {
const full_src_path = self.emitted_implib.?.getPath2(step.owner, step);
const full_implib_path = dest_builder.getInstallPath(implib_dir, fs.path.basename(full_src_path));
const p = fs.Dir.updateFile(cwd, full_src_path, cwd, full_implib_path, .{}) catch |err| {
return step.fail("unable to update file from '{s}' to '{s}': {s}", .{
full_src_path, full_implib_path, @errorName(err),
});
};
all_cached = all_cached and p == .fresh;
}
if (self.pdb_dir) |pdb_dir| {
const full_src_path = self.emitted_pdb.?.getPath2(step.owner, step);
const full_pdb_path = dest_builder.getInstallPath(pdb_dir, fs.path.basename(full_src_path));
const p = fs.Dir.updateFile(cwd, full_src_path, cwd, full_pdb_path, .{}) catch |err| {
return step.fail("unable to update file from '{s}' to '{s}': {s}", .{
full_src_path, full_pdb_path, @errorName(err),
});
};
all_cached = all_cached and p == .fresh;
}
if (self.h_dir) |h_dir| {
const full_src_path = self.emitted_h.?.getPath2(step.owner, step);
const full_h_path = dest_builder.getInstallPath(h_dir, fs.path.basename(full_src_path));
const p = fs.Dir.updateFile(cwd, full_src_path, cwd, full_h_path, .{}) catch |err| {
return step.fail("unable to update file from '{s}' to '{s}': {s}", .{
full_src_path, full_h_path, @errorName(err),
});
};
all_cached = all_cached and p == .fresh;
}
step.result_cached = all_cached;
}
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