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pkg/simdutf: better comments

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This commit is contained in:
Mitchell Hashimoto
2026-04-24 10:05:19 -07:00
parent 10528c6bbe
commit db65dfd0d9
2 changed files with 28 additions and 16 deletions
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35
pkg/simdutf/build.zig
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@@ -1,19 +1,5 @@
const std = @import("std");
const no_libc_flags = [_][]const u8{
"-DSIMDUTF_NO_LIBC=1",
"-DSIMDUTF_LIBC_MEMCPY=simdutf_memcpy",
"-DSIMDUTF_LIBC_MEMMOVE=simdutf_memmove",
"-DSIMDUTF_LIBC_MEMSET=simdutf_memset",
"-DSIMDUTF_LIBC_MEMCMP=simdutf_memcmp",
"-DSIMDUTF_LIBC_STRLEN=simdutf_strlen",
"-DSIMDUTF_LIBC_GETENV=simdutf_getenv",
};
pub fn noLibcFlags() []const []const u8 {
return &no_libc_flags;
}
pub fn build(b: *std.Build) !void {
const optimize = b.standardOptimizeOption(.{});
const target = b.standardTargetOptions(.{});
@@ -83,10 +69,10 @@ pub fn build(b: *std.Build) !void {
}
if (no_libc) {
lib.root_module.addCMacro("SIMDUTF_NO_LIBC", "1");
try flags.appendSlice(b.allocator, noLibcFlags());
lib.root_module.addCMacro("SIMDUTF_NO_LIBC", "1");
// Build our object that has the libc replacement functions.
const no_libc_obj = b.addObject(.{
.name = "simdutf_no_libc",
.root_module = b.createModule(.{
@@ -140,3 +126,20 @@ pub fn build(b: *std.Build) !void {
// test_step.dependOn(&tests_run.step);
// }
}
/// These flags must be passed to any builds including simdutf headers
/// when no_libc is set, to provide the necessary macros to avoid libc
/// usage and to redirect libc calls to our Zig stdlib replacements.
pub fn noLibcFlags() []const []const u8 {
return &no_libc_flags;
}
const no_libc_flags = [_][]const u8{
"-DSIMDUTF_NO_LIBC=1",
"-DSIMDUTF_LIBC_MEMCPY=simdutf_memcpy",
"-DSIMDUTF_LIBC_MEMMOVE=simdutf_memmove",
"-DSIMDUTF_LIBC_MEMSET=simdutf_memset",
"-DSIMDUTF_LIBC_MEMCMP=simdutf_memcmp",
"-DSIMDUTF_LIBC_STRLEN=simdutf_strlen",
"-DSIMDUTF_LIBC_GETENV=simdutf_getenv",
};