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advance emcc flags #9

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merged 1 commit into from
Apr 15, 2025
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advance emcc flags #9

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23 changes: 19 additions & 4 deletions build.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -89,16 +89,31 @@ pub fn activateEmsdkStep(b: *std.Build) *std.Build.Step {

pub const EmccFlags = std.StringHashMap(void);

pub fn emccDefaultFlags(allocator: std.mem.Allocator, optimize: std.builtin.OptimizeMode) EmccFlags {
pub fn emccDefaultFlags(allocator: std.mem.Allocator, options: struct {
optimize: std.builtin.OptimizeMode,
fsanitize: bool,
}) EmccFlags {
var args = EmccFlags.init(allocator);
switch (optimize) {
switch (options.optimize) {
.Debug => {
args.put("-O0", {}) catch unreachable;
args.put("-gsource-map", {}) catch unreachable;
if (options.fsanitize)
args.put("-fsanitize=undefined", {}) catch unreachable;
},
.ReleaseSmall, .ReleaseFast => {
.ReleaseSafe => {
args.put("-O3", {}) catch unreachable;
if (options.fsanitize) {
args.put("-fsanitize=undefined", {}) catch unreachable;
args.put("-fsanitize-minimal-runtime", {}) catch unreachable;
}
},
.ReleaseFast => {
args.put("-O3", {}) catch unreachable;
},
.ReleaseSmall => {
args.put("-Oz", {}) catch unreachable;
},
else => {},
}
return args;
}
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