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gpu: add gpu.link to make using library elsewhere easier

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Helps hexops/mach#189

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-04-01 17:58:36 -07:00 • committed by Stephen Gutekanst
parent 73c145819a
commit cd88057edd
1 changed files with 30 additions and 6 deletions
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36
gpu/build.zig
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@ -14,14 +14,12 @@ pub fn build(b: *std.build.Builder) void {
lib.setTarget(target); lib.setTarget(target);
lib.setBuildMode(mode); lib.setBuildMode(mode);
lib.install(); lib.install();
glfw.link(b, lib, .{}); link(b, lib, .{.gpu_dawn_options = gpu_dawn_options});
gpu_dawn.link(b, lib, gpu_dawn_options);
const main_tests = b.addTest("src/main.zig"); const main_tests = b.addTest("src/main.zig");
main_tests.setTarget(target); main_tests.setTarget(target);
main_tests.setBuildMode(mode); main_tests.setBuildMode(mode);
glfw.link(b, main_tests, .{}); link(b, main_tests, .{.gpu_dawn_options = gpu_dawn_options});
gpu_dawn.link(b, main_tests, gpu_dawn_options);
const test_step = b.step("test", "Run library tests"); const test_step = b.step("test", "Run library tests");
test_step.dependOn(&main_tests.step); test_step.dependOn(&main_tests.step);
@ -33,11 +31,37 @@ pub fn build(b: *std.build.Builder) void {
example.linkLibC(); example.linkLibC();
example.addPackagePath("gpu", "src/main.zig"); example.addPackagePath("gpu", "src/main.zig");
example.addPackagePath("glfw", "libs/mach-glfw/src/main.zig"); example.addPackagePath("glfw", "libs/mach-glfw/src/main.zig");
glfw.link(b, example, .{}); link(b, example, .{.gpu_dawn_options = gpu_dawn_options});
gpu_dawn.link(b, example, gpu_dawn_options);
const example_run_cmd = example.run(); const example_run_cmd = example.run();
example_run_cmd.step.dependOn(b.getInstallStep()); example_run_cmd.step.dependOn(b.getInstallStep());
const example_run_step = b.step("run-example", "Run the example"); const example_run_step = b.step("run-example", "Run the example");
example_run_step.dependOn(&example_run_cmd.step); example_run_step.dependOn(&example_run_cmd.step);
} }
const Options = struct {
glfw_options: glfw.Options = .{},
gpu_dawn_options: gpu_dawn.Options = .{},
};
pub fn link(b: *std.build.Builder, step: *std.build.LibExeObjStep, options: Options) void {
const main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "src/main.zig" }) catch unreachable;
const lib = b.addStaticLibrary("gpu", main_abs);
lib.setBuildMode(step.build_mode);
lib.setTarget(step.target);
const glfw_main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/mach-glfw/src/main.zig" }) catch unreachable;
lib.addPackagePath("glfw", glfw_main_abs);
glfw.link(b, lib, options.glfw_options);
gpu_dawn.link(b, lib, options.gpu_dawn_options);
lib.install();
step.linkLibrary(lib);
glfw.link(b, step, options.glfw_options);
gpu_dawn.link(b, step, options.gpu_dawn_options);
}
fn thisDir() []const u8 {
return std.fs.path.dirname(@src().file) orelse ".";
}