48 lines
2.0 KiB
Zig
48 lines
2.0 KiB
Zig
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const std = @import("std");
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const builtin = @import("builtin");
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/// flexilib will create a dynamic library for use with flexilib.
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/// Flexilib will need to get the exe compiled as a library
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/// For flexilib, we will need the main file to have a pub fn named
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/// "handler". If it is not called that, a pub const handler = ... can be
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/// used instead
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pub fn configureBuild(b: *std.build.Builder, exe: *std.Build.Step.Compile, build_root_src: []const u8) !void {
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const package_step = b.step("flexilib", "Create a flexilib dynamic library");
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// const exe = b.addExecutable(.{
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// .name = "universal-lambda-example",
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// // In this case the main source file is merely a path, however, in more
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// // complicated build scripts, this could be a generated file.
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// .root_source_file = .{ .path = "src/main.zig" },
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// .target = target,
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// .optimize = optimize,
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// });
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//
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const lib = b.addSharedLibrary(.{
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.name = exe.name,
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.root_source_file = .{ .path = b.pathJoin(&[_][]const u8{ build_root_src, "flexilib.zig" }) },
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.target = exe.target,
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.optimize = exe.optimize,
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});
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// We will not free this, as the rest of the build system will use it.
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// This should be ok because our allocator is, I believe, an arena
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var module_dependencies = try b.allocator.alloc(std.Build.ModuleDependency, exe.modules.count());
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var iterator = exe.modules.iterator();
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var i: usize = 0;
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while (iterator.next()) |entry| : (i += 1) {
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module_dependencies[i] = .{
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.name = entry.key_ptr.*,
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.module = entry.value_ptr.*,
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};
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lib.addModule(entry.key_ptr.*, entry.value_ptr.*);
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}
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lib.addAnonymousModule("flexilib_handler", .{
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// Source file can be anywhere on disk, does not need to be a subdirectory
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.source_file = exe.root_src.?,
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.dependencies = module_dependencies,
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});
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package_step.dependOn(&b.addInstallArtifact(lib, .{}).step);
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}
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