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Remove unneeded code in build script

master
Louis Pearson 2022-08-01 22:44:04 -06:00
parent 9a93657b4b
commit 8a09451e61
1 changed files with 2 additions and 53 deletions
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53
build.zig
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@ -1,56 +1,11 @@
const std = @import("std");
// Returns true if the version includes https://github.com/ziglang/zig/pull/10572/commits.
// When this is false, trying to place the stack first will result in data corruption.
fn version_supports_stack_first(zig_version: std.SemanticVersion) !bool {
if (zig_version.order(try std.SemanticVersion.parse("0.10.0")).compare(.gte)) {
// Merged here: https://github.com/ziglang/zig/pull/10572
return true;
}
if (zig_version.major == 0 and zig_version.minor == 10) {
// Check for 0.10.0-dev.258+. Conservatively check the prefix of the tag
// in case zig uses other prefixes that don't respect semver ordering.
if (zig_version.pre) |pre| {
// Merged here: https://github.com/ziglang/zig/pull/10572
return std.mem.startsWith(u8, pre, "dev.") and zig_version.order(try std.SemanticVersion.parse("0.10.0-dev.258")).compare(.gte);
}
}
// Backported here: https://github.com/ziglang/zig/commit/6f49233ac6a6569b909b689f22fc260dc8c19234
return zig_version.order(try std.SemanticVersion.parse("0.9.1")).compare(.gte);
}
test "stack version check" {
const expect = std.testing.expect;
const parse = std.SemanticVersion.parse;
try expect(!try version_supports_stack_first(try parse("0.8.0")));
try expect(!try version_supports_stack_first(try parse("0.9.0")));
try expect(!try version_supports_stack_first(try parse("0.9.1-dev.259")));
try expect(try version_supports_stack_first(try parse("0.9.1")));
// Conservatively don't recognize tags other than 'dev'.
try expect(!try version_supports_stack_first(try parse("0.10.0-aev.259")));
try expect(!try version_supports_stack_first(try parse("0.10.0-zev.259")));
try expect(!try version_supports_stack_first(try parse("0.10.0-dev.257")));
try expect(try version_supports_stack_first(try parse("0.10.0-dev.258")));
try expect(try version_supports_stack_first(try parse("0.10.0-dev.259")));
try expect(try version_supports_stack_first(try parse("0.10.0")));
try expect(try version_supports_stack_first(try parse("0.10.1-dev.100")));
try expect(try version_supports_stack_first(try parse("0.10.1-dev.300")));
try expect(try version_supports_stack_first(try parse("0.10.1")));
try expect(try version_supports_stack_first(try parse("1.0.0")));
}
pub fn build(b: *std.build.Builder) !void {
const assets = std.build.Pkg{
.name = "assets",
.source = .{ .path = "assets/assets.zig" },
};
const zig_version = @import("builtin").zig_version;
const mode = b.standardReleaseOptions();
const lib = b.addSharedLibrary("cart", "src/main.zig", .unversioned);
lib.addPackage(assets);
@ -59,14 +14,8 @@ pub fn build(b: *std.build.Builder) !void {
lib.import_memory = true;
lib.initial_memory = 65536;
lib.max_memory = 65536;
if (try version_supports_stack_first(zig_version)) {
lib.stack_size = 24752;
} else {
// `--stack-first` option have been reenabled on wasm targets with https://github.com/ziglang/zig/pull/10572
std.log.warn("Update to Zig >=0.9.1 (or >=0.10.0-dev.258 for nightly) to detect stack overflows at runtime.", .{});
lib.global_base = 6560;
lib.stack_size = 8192;
}
// Workaround https://github.com/ziglang/zig/issues/2910, preventing
// functions from compiler_rt getting incorrectly marked as exported, which
// prevents them from being removed even if unused.