build.zig

const std = @import("std");

const Phpz = @import("phpz").Phpz;

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const php_include_root = b.option([]const u8, "php-include-root", "PHP root include directory path") orelse "/usr/include/php";

    const phpz_dep = b.dependency("phpz", .{});
    const phpz: Phpz = .init(phpz_dep, .{
        .c_source_file = b.path("my_php_extension.h"),
        .target = target,
        .optimize = optimize,
        .php_include_root = .{
            .cwd_relative = php_include_root,
        },
    });

    const ext_lib = b.addLibrary(.{
        .name = "my_php_extension",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/root.zig"),
            .target = target,
            .optimize = optimize,
            .imports = &.{
                .{ .name = "phpz", .module = phpz.mod },
            },
        }),
        .linkage = .dynamic,
    });

    // On macos, allow undefined symbols to be resolved at runtime by PHP
    if (target.result.os.tag == .macos) {
        ext_lib.linker_allow_shlib_undefined = true;
    }

    // for zig build system
    const install_file = b.addInstallFileWithDir(
        ext_lib.getEmittedBin(),
        .{ .custom = "../modules" },
        "my_php_extension.so",
    );
    install_file.step.dependOn(&ext_lib.step);
    b.getInstallStep().dependOn(&install_file.step);

    const test_step = b.step("test", "Test the PHP extension");
    const test_cmd = b.addSystemCommand(&[_][]const u8{ "php", "-dextension=./modules/my_php_extension.so", "test.php" });
    const test_info_cmd = b.addSystemCommand(&[_][]const u8{ "php", "-dextension=./modules/my_php_extension.so", "--ri", "my_php_extension" });
    test_cmd.step.dependOn(b.getInstallStep());
    test_info_cmd.step.dependOn(b.getInstallStep());
    test_step.dependOn(&test_cmd.step);
    test_step.dependOn(&test_info_cmd.step);
}