Imbus/pluto
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Add infrastructure for build options

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This commit is contained in:
Sam Tebbs 2019-08-27 19:28:17 +01:00
parent 47a6dbdb5b
commit b8f0b3131c
4 changed files with 19 additions and 9 deletions
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19
build.zig
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@ -37,6 +37,7 @@ pub fn build(b: *Builder) void {
b.makePath(grub_path.toSlice()) catch unreachable;
b.makePath(kern_path.toSlice()) catch unreachable;
b.makePath(a_path.toSlice()) catch unreachable;
b.makePath("zig-cache/kernel") catch unreachable;
src_files.append("kernel/kmain") catch unreachable;
@ -54,11 +55,17 @@ pub fn build(b: *Builder) void {
src_files.append(arch_boot.toSlice()) catch unreachable;
const iso_path = concat(b.allocator, build_path, "/pluto.iso") catch unreachable;
var objects_steps = buildObjects(b, builtin_target, build_path, src_path);
var objects = buildObjects(b, builtin_target, build_path, src_path);
var link_step = buildLink(b, builtin_target, build_path);
const iso_step = buildISO(b, build_path, iso_path.toSlice());
for (objects_steps.toSlice()) |step| b.default_step.dependOn(step);
for (objects.toSlice()) |obj| {
if (std.mem.eql(u8, obj.name, "kernel/kmain")) {
// Add build options here
obj.addBuildOption(bool, "rt_test", rt_test);
}
b.default_step.dependOn(&obj.step);
}
b.default_step.dependOn(link_step);
for (iso_step.toSlice()) |step| b.default_step.dependOn(step);
@ -156,8 +163,8 @@ fn buildLink(b: *Builder, target: builtin.Arch, build_path: []const u8) *Step {
return &exec.step;
}
fn buildObjects(b: *Builder, target: builtin.Arch, build_path: []const u8, src_path: []const u8) ArrayList(*Step) {
var objects = ArrayList(*Step).init(b.allocator);
fn buildObjects(b: *Builder, target: builtin.Arch, build_path: []const u8, src_path: []const u8) ArrayList(*std.build.LibExeObjStep) {
var objects = ArrayList(*std.build.LibExeObjStep).init(b.allocator);
const src_path2 = concat(b.allocator, src_path, "/") catch unreachable;
for (src_files.toSlice()) |file| {
var file_src = concat(b.allocator, src_path2.toSlice(), file) catch unreachable;
@ -166,7 +173,7 @@ fn buildObjects(b: *Builder, target: builtin.Arch, build_path: []const u8, src_p
obj.setMainPkgPath(".");
obj.setOutputDir(build_path);
obj.setTarget(target, builtin.Os.freestanding, builtin.Abi.gnu);
objects.append(&obj.step) catch unreachable;
objects.append(obj) catch unreachable;
}
for (src_files_asm.toSlice()) |file| {
var file_src = concat(b.allocator, src_path2.toSlice(), file) catch unreachable;
@ -174,7 +181,7 @@ fn buildObjects(b: *Builder, target: builtin.Arch, build_path: []const u8, src_p
const obj = b.addAssemble(file, file_src.toSlice());
obj.setOutputDir(build_path);
obj.setTarget(target, builtin.Os.freestanding, builtin.Abi.gnu);
objects.append(&obj.step) catch unreachable;
objects.append(obj) catch unreachable;
}
return objects;
}