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std/build: support --color

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This commit is contained in:
Isaac Freund 2020-10-13 20:06:03 +02:00
parent ea45ee5484
commit f01c3150c1
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2 changed files with 16 additions and 0 deletions
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6
lib/std/build.zig
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@ -45,6 +45,7 @@ pub const Builder = struct {
verbose_llvm_ir: bool,
verbose_cimport: bool,
verbose_llvm_cpu_features: bool,
color: enum { auto, on, off } = .auto,
invalid_user_input: bool,
zig_exe: []const u8,
default_step: *Step,
@ -1946,6 +1947,11 @@ pub const LibExeObjStep = struct {
};
zig_args.append(cmd) catch unreachable;
if (builder.color != .auto) {
try zig_args.append("--color");
try zig_args.append(@tagName(builder.color));
}
if (self.root_src) |root_src| try zig_args.append(root_src.getPath(builder));
var prev_has_extra_flags = false;

10
lib/std/special/build_runner.zig
View File

@ -82,6 +82,15 @@ pub fn main() !void {
return usageAndErr(builder, false, stderr_stream);
};
builder.addSearchPrefix(search_prefix);
} else if (mem.eql(u8, arg, "--color")) {
const next_arg = nextArg(args, &arg_idx) orelse {
warn("expected [auto|on|off] after --color", .{});
return usageAndErr(builder, false, stderr_stream);
};
builder.color = std.meta.stringToEnum(@TypeOf(builder.color), next_arg) orelse {
warn("expected [auto|on|off] after --color, found '{}'", .{next_arg});
return usageAndErr(builder, false, stderr_stream);
};
} else if (mem.eql(u8, arg, "--override-lib-dir")) {
builder.override_lib_dir = nextArg(args, &arg_idx) orelse {
warn("Expected argument after --override-lib-dir\n\n", .{});
@ -171,6 +180,7 @@ fn usage(builder: *Builder, already_ran_build: bool, out_stream: anytype) !void
\\ --verbose Print commands before executing them
\\ --prefix [path] Override default install prefix
\\ --search-prefix [path] Add a path to look for binaries, libraries, headers
\\ --color [auto|off|on] Enable or disable colored error messages
\\
\\Project-Specific Options:
\\