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const std = @import("std");
pub fn build(b: *std.Build) void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
// Public module — other packages can import this via dependency.
// The image module pulls in the vendored stb/jebp single-header C
// libraries, so the module needs libc + the C translation unit + the
// include path for `@cImport`.
const panto_mod = b.addModule("panto", .{
.root_source_file = b.path("src/root.zig"),
.target = target,
.optimize = optimize,
.link_libc = true,
});
addImageCDeps(b, panto_mod);
// Unit tests
const test_module = b.createModule(.{
.root_source_file = b.path("src/root.zig"),
.target = target,
.optimize = optimize,
.link_libc = true,
});
addImageCDeps(b, test_module);
const unit_tests = b.addTest(.{
.name = "panto-tests",
.root_module = test_module,
});
const run_unit_tests = b.addRunArtifact(unit_tests);
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&run_unit_tests.step);
}
/// Wire the vendored stb/jebp single-header image libraries into `mod`:
/// the include path for `@cImport`, and the single C translation unit
/// that compiles their implementations. Callers must also link libc.
fn addImageCDeps(b: *std.Build, mod: *std.Build.Module) void {
mod.addIncludePath(b.path("src/cdeps"));
mod.addCSourceFile(.{
.file = b.path("src/cdeps/image_impl.c"),
.flags = &.{ "-std=gnu99", "-O2", "-fno-sanitize=undefined" },
});
}
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