FlexiLib/build.zig

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const std = @import("std");
// Although this function looks imperative, note that its job is to
// declaratively construct a build graph that will be executed by an external
// runner.
pub fn build(b: *std.Build) void {
// Standard target options allows the person running `zig build` to choose
// what target to build for. Here we do not override the defaults, which
// means any target is allowed, and the default is native. Other options
// for restricting supported target set are available.
const target = b.standardTargetOptions(.{});
// Standard optimization options allow the person running `zig build` to select
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
// set a preferred release mode, allowing the user to decide how to optimize.
const optimize = b.standardOptimizeOption(.{});
const exe = b.addExecutable(.{
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.name = "flexilib",
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// In this case the main source file is merely a path, however, in more
// complicated build scripts, this could be a generated file.
.root_source_file = .{ .path = "src/main.zig" },
.target = target,
.optimize = optimize,
});
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exe.linkLibC();
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_ = b.addModule("flexilib-interface", .{
.source_file = .{ .path = "src/interface.zig" },
.dependencies = &[_]std.build.ModuleDependency{},
});
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const lib = b.addSharedLibrary(.{
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.name = "flexilib-sample-lib",
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// In this case the main source file is merely a path, however, in more
// complicated build scripts, this could be a generated file.
.root_source_file = .{ .path = "src/main-lib.zig" },
.target = target,
.optimize = optimize,
});
lib.linkLibC();
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const interface_lib = b.addStaticLibrary(.{
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.name = "flexilib",
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// In this case the main source file is merely a path, however, in more
// complicated build scripts, this could be a generated file.
.root_source_file = .{ .path = "src/interface.zig" },
.target = target,
.optimize = optimize,
});
b.installArtifact(interface_lib);
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// This declares intent for the executable to be installed into the
// standard location when the user invokes the "install" step (the default
// step when running `zig build`).
b.installArtifact(exe);
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// This declares intent for the library to be installed into the standard
// location when the user invokes the "install" step (the default step when
// running `zig build`).
b.installArtifact(lib);
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// This *creates* a RunStep in the build graph, to be executed when another
// step is evaluated that depends on it. The next line below will establish
// such a dependency.
const run_cmd = b.addRunArtifact(exe);
// By making the run step depend on the install step, it will be run from the
// installation directory rather than directly from within the cache directory.
// This is not necessary, however, if the application depends on other installed
// files, this ensures they will be present and in the expected location.
run_cmd.step.dependOn(b.getInstallStep());
// This allows the user to pass arguments to the application in the build
// command itself, like this: `zig build run -- arg1 arg2 etc`
if (b.args) |args| {
run_cmd.addArgs(args);
}
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const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
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// Creates a step for unit testing. This only builds the test executable
// but does not run it.
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const main_tests = b.addTest(.{
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.root_source_file = .{ .path = "src/main.zig" },
.target = target,
.optimize = optimize,
});
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main_tests.linkLibC();
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const lib_tests = b.addTest(.{
.root_source_file = .{ .path = "src/main-lib.zig" },
.target = target,
.optimize = optimize,
});
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lib_tests.linkLibC();
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const run_main_tests = b.addRunArtifact(main_tests);
const run_lib_tests = b.addRunArtifact(lib_tests);
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run_main_tests.step.dependOn(b.getInstallStep());
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// This creates a build step. It will be visible in the `zig build --help` menu,
// and can be selected like this: `zig build test`
// This will evaluate the `test` step rather than the default, which is "install".
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const test_step = b.step("test", "Run unit tests");
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test_step.dependOn(&run_lib_tests.step);
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test_step.dependOn(&run_main_tests.step);
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}