first commit

1 files changed, 81 insertions, 0 deletions

diff --git a/build.zig b/build.zig
new file mode 100644
index 0000000..9057c47
--- /dev/null
+++ b/build.zig
@@ -0,0 +1,81 @@
+const std = @import("std");
+
+fn pythonName(b: *std.Build) []const u8 {
+    const version = b.run(&.{
+        "python",
+        "-c",
+        "import sysconfig; print(sysconfig.get_config_var('LDVERSION'), end='')",
+    });
+
+    var name = b.allocator.alloc(u8, "python".len + version.len) catch @panic("OOM");
+    @memcpy(name[0..6], "python");
+    @memcpy(name[6..], version);
+
+    return name;
+}
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const translate_c = b.addTranslateC(.{
+        .root_source_file = b.path("src/c.h"),
+        .target = target,
+        .optimize = optimize,
+    });
+    translate_c.linkSystemLibrary("python3", .{});
+
+    const mod = b.addModule("zpy", .{
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+        .imports = &.{
+            .{ .name = "c", .module = translate_c.createModule() },
+        },
+    });
+    const python_name = pythonName(b);
+    defer b.allocator.free(python_name);
+    mod.linkSystemLibrary(python_name, .{});
+
+
+    const exe = b.addExecutable(.{
+        .name = "zpy",
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/main.zig"),
+            .target = target,
+            .optimize = optimize,
+            .imports = &.{
+                .{ .name = "zpy", .module = mod },
+            },
+        }),
+    });
+
+    b.installArtifact(exe);
+
+    const run_step = b.step("run", "Run the app");
+
+    const run_cmd = b.addRunArtifact(exe);
+    run_step.dependOn(&run_cmd.step);
+
+    run_cmd.step.dependOn(b.getInstallStep());
+
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    const mod_tests = b.addTest(.{
+        .root_module = mod,
+    });
+
+    const run_mod_tests = b.addRunArtifact(mod_tests);
+
+    const exe_tests = b.addTest(.{
+        .root_module = exe.root_module,
+    });
+
+    const run_exe_tests = b.addRunArtifact(exe_tests);
+
+    const test_step = b.step("test", "Run tests");
+    test_step.dependOn(&run_mod_tests.step);
+    test_step.dependOn(&run_exe_tests.step);
+
+}