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build: clean up install prefix/config path derivation

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This could be cleaned up even further with
https://github.com/ziglang/zig/pull/8329
This commit is contained in:
Isaac Freund 2021-03-22 13:16:24 +01:00
parent e6f11fc5d2
commit e1048e6add
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GPG key ID: 86DED400DDFD7A11
1 changed files with 10 additions and 13 deletions
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23
build.zig
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@ -1,5 +1,7 @@
const std = @import("std");
const assert = std.debug.assert;
const fs = std.fs;
const mem = std.mem;
const zbs = std.build;
const ScanProtocolsStep = @import("deps/zig-wayland/build.zig").ScanProtocolsStep;
@ -46,20 +48,15 @@ pub fn build(b: *zbs.Builder) !void {
const examples = b.option(bool, "examples", "Set to true to build examples") orelse false;
const rel_config_path = blk: {
if (b.install_prefix) |prefix| {
if (std.mem.eql(u8, try fs.path.resolve(b.allocator, &[_][]const u8{prefix}), "/usr")) {
break :blk "../etc/river/init";
}
}
break :blk "etc/river/init";
};
// This logic must match std.build.resolveInstallPrefix()
const prefix = b.install_prefix orelse if (b.dest_dir) |_| "/usr" else b.cache_root;
const rel_config_path = if (mem.eql(u8, try fs.path.resolve(b.allocator, &[_][]const u8{prefix}), "/usr"))
"../etc/river/init"
else
"etc/river/init";
b.installFile("example/init", rel_config_path);
const abs_config_path = try fs.path.resolve(b.allocator, &[_][]const u8{
// This logic must match std.build.resolveInstallPrefix()
b.install_prefix orelse if (b.dest_dir) |_| "/usr" else b.cache_root,
rel_config_path,
});
const abs_config_path = try fs.path.resolve(b.allocator, &[_][]const u8{ prefix, rel_config_path });
assert(fs.path.isAbsolute(abs_config_path));
const scanner = ScanProtocolsStep.create(b);
scanner.addSystemProtocol("stable/xdg-shell/xdg-shell.xml");