forked from lobo/lambda-zig
89 lines
3.6 KiB
Zig
89 lines
3.6 KiB
Zig
const std = @import("std");
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// Although this function looks imperative, note that its job is to
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// declaratively construct a build graph that will be executed by an external
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// runner.
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pub fn build(b: *std.Build) !void {
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// Standard target options allows the person running `zig build` to choose
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// what target to build for. Here we do not override the defaults, which
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// means any target is allowed, and the default is native. Other options
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// for restricting supported target set are available.
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const target = b.standardTargetOptions(.{});
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// Standard optimization options allow the person running `zig build` to select
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// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
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// set a preferred release mode, allowing the user to decide how to optimize.
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const optimize = b.standardOptimizeOption(.{});
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const lib = b.addStaticLibrary(.{
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.name = "lambda-zig",
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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 = b.path("src/lambda.zig"),
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.target = target,
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.optimize = optimize,
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});
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_ = b.addModule("lambda_runtime", .{
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.root_source_file = b.path("src/lambda.zig"),
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.target = target,
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.optimize = optimize,
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});
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// This declares intent for the library to be installed into the standard
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// location when the user invokes the "install" step (the default step when
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// running `zig build`).
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b.installArtifact(lib);
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// Creates a step for unit testing. This only builds the test executable
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// but does not run it.
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const main_tests = b.addTest(.{
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.root_source_file = b.path("src/lambda.zig"),
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.target = target,
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.optimize = optimize,
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});
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const run_main_tests = b.addRunArtifact(main_tests);
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// This creates a build step. It will be visible in the `zig build --help` menu,
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// and can be selected like this: `zig build test`
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// This will evaluate the `test` step rather than the default, which is "install".
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const test_step = b.step("test", "Run library tests");
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test_step.dependOn(&run_main_tests.step);
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const exe = b.addExecutable(.{
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.name = "custom",
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.root_source_file = b.path("src/sample-main.zig"),
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.target = target,
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.optimize = optimize,
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});
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b.installArtifact(exe);
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try lambdaBuildOptions(b, exe);
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}
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/// lambdaBuildOptions will add three build options to the build (if compiling
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/// the code on a Linux host):
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///
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/// * package: Packages the function for deployment to Lambda
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/// (dependencies are the zip executable and a shell)
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/// * iam: Gets an IAM role for the Lambda function, and creates it if it does not exist
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/// (dependencies are the AWS CLI, grep and a shell)
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/// * deploy: Deploys the lambda function to a live AWS environment
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/// (dependencies are the AWS CLI, and a shell)
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/// * remoterun: Runs the lambda function in a live AWS environment
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/// (dependencies are the AWS CLI, and a shell)
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///
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/// remoterun depends on deploy
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/// deploy depends on iam and package
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///
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/// iam and package do not have any dependencies
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pub fn lambdaBuildOptions(b: *std.Build, exe: *std.Build.Step.Compile) !void {
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const function_name = b.option([]const u8, "function-name", "Function name for Lambda [zig-fn]") orelse "zig-fn";
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try @import("lambdabuild.zig").configureBuild(b, exe, function_name);
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}
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pub fn configureBuild(b: *std.Build, exe: *std.Build.Step.Compile, function_name: []const u8) !void {
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try @import("lambdabuild.zig").configureBuild(b, exe, function_name);
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}
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