Commit b24cbecdb2

Andrew Kelley <andrew@ziglang.org>
2021-12-02 23:42:59
zig build: promote qemu, wine, wasmtime, darling, and rosetta
from zig-specific options to generally recognized zig build options that any project can take advantage of. See the updated usage text for more details.
1 parent cbd653e
Changed files (7)
ci/azure/linux_script
@@ -1,142 +0,0 @@
-#!/bin/sh
-
-set -x
-set -e
-
-sudo apt-get update -q
-sudo apt-get install -y cmake s3cmd tidy
-
-ZIGDIR="$(pwd)"
-ARCH="$(uname -m)"
-TARGET="$ARCH-linux-musl"
-CACHE_BASENAME="zig+llvm+lld+clang-$TARGET-0.9.0-dev.1243+456d7e5f5"
-PREFIX="$HOME/$CACHE_BASENAME"
-MCPU="baseline"
-JOBS="-j$(nproc)"
-
-rm -rf $PREFIX
-cd $HOME
-
-wget -nv "https://ziglang.org/deps/$CACHE_BASENAME.tar.xz"
-tar xf "$CACHE_BASENAME.tar.xz"
-
-QEMUBASE="qemu-linux-x86_64-6.1.0.1"
-wget -nv "https://ziglang.org/deps/$QEMUBASE.tar.xz"
-tar xf "$QEMUBASE.tar.xz"
-export PATH="$(pwd)/$QEMUBASE/bin:$PATH"
-
-WASMTIME="wasmtime-v0.26.1-x86_64-linux"
-wget -nv "https://github.com/bytecodealliance/wasmtime/releases/download/v0.26.1/$WASMTIME.tar.xz"
-tar xf "$WASMTIME.tar.xz"
-export PATH="$(pwd)/$WASMTIME:$PATH"
-
-ZIG="$PREFIX/bin/zig"
-export CC="$ZIG cc -target $TARGET -mcpu=$MCPU"
-export CXX="$ZIG c++ -target $TARGET -mcpu=$MCPU"
-
-cd $ZIGDIR
-
-# Make the `zig version` number consistent.
-# This will affect the cmake command below.
-git config core.abbrev 9
-git fetch --unshallow || true
-git fetch --tags
-
-mkdir build
-cd build
-cmake .. \
-  -DCMAKE_INSTALL_PREFIX="$(pwd)/release" \
-  -DCMAKE_PREFIX_PATH="$PREFIX" \
-  -DCMAKE_BUILD_TYPE=Release \
-  -DZIG_TARGET_TRIPLE="$TARGET" \
-  -DZIG_TARGET_MCPU="$MCPU" \
-  -DZIG_STATIC=ON
-
-# Now cmake will use zig as the C/C++ compiler. We reset the environment variables
-# so that installation and testing do not get affected by them.
-unset CC
-unset CXX
-
-make $JOBS install
-
-# Look for non-conforming code formatting.
-# Formatting errors can be fixed by running `zig fmt` on the files printed here.
-release/bin/zig fmt --check ..
-
-# Here we rebuild zig but this time using the Zig binary we just now produced to
-# build zig1.o rather than relying on the one built with stage0. See
-# https://github.com/ziglang/zig/issues/6830 for more details.
-cmake .. -DZIG_EXECUTABLE="$(pwd)/release/bin/zig"
-make $JOBS install
-
-release/bin/zig test ../test/behavior.zig -fno-stage1 -fLLVM -I ../test
-
-release/bin/zig build test-behavior         -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-compiler-rt      -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-std              -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-minilibc         -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-compare-output   -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-standalone       -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-stack-traces     -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-cli              -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-asm-link         -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-runtime-safety   -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-translate-c      -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-run-translated-c -Denable-qemu -Denable-wasmtime
-release/bin/zig build docs                  -Denable-qemu -Denable-wasmtime
-release/bin/zig build # test building self-hosted without LLVM
-release/bin/zig build test-fmt              -Denable-qemu -Denable-wasmtime
-release/bin/zig build test-stage2           -Denable-qemu -Denable-wasmtime
-
-# Look for HTML errors.
-tidy --drop-empty-elements no -qe ../zig-cache/langref.html
-
-if [ "${BUILD_REASON}" != "PullRequest" ]; then
-  # Produce the experimental std lib documentation.
-  mkdir -p release/docs/std
-  release/bin/zig test ../lib/std/std.zig \
-    --zig-lib-dir ../lib \
-    -femit-docs=release/docs/std \
-    -fno-emit-bin
-
-  mv ../LICENSE release/
-  mv ../zig-cache/langref.html release/docs/
-
-  # Remove the unnecessary bin dir in $prefix/bin/zig
-  mv release/bin/zig release/
-  rmdir release/bin
-
-  # Remove the unnecessary zig dir in $prefix/lib/zig/std/std.zig
-  mv release/lib/zig release/lib2
-  rmdir release/lib
-  mv release/lib2 release/lib
-
-  VERSION=$(release/zig version)
-  DIRNAME="zig-linux-$ARCH-$VERSION"
-  TARBALL="$DIRNAME.tar.xz"
-  mv release "$DIRNAME"
-  tar cfJ "$TARBALL" "$DIRNAME"
-
-  mv "$DOWNLOADSECUREFILE_SECUREFILEPATH" "$HOME/.s3cfg"
-  s3cmd put -P --add-header="cache-control: public, max-age=31536000, immutable" "$TARBALL" s3://ziglang.org/builds/
-
-  SHASUM=$(sha256sum $TARBALL | cut '-d ' -f1)
-  BYTESIZE=$(wc -c < $TARBALL)
-
-  JSONFILE="linux-$GITBRANCH.json"
-  touch $JSONFILE
-  echo "{\"tarball\": \"$TARBALL\"," >>$JSONFILE
-  echo "\"shasum\": \"$SHASUM\"," >>$JSONFILE
-  echo "\"size\": \"$BYTESIZE\"}" >>$JSONFILE
-
-  s3cmd put -P --add-header="Cache-Control: max-age=0, must-revalidate" "$JSONFILE" "s3://ziglang.org/builds/$JSONFILE"
-  s3cmd put -P "$JSONFILE" "s3://ziglang.org/builds/$ARCH-linux-$VERSION.json"
-
-  # `set -x` causes these variables to be mangled.
-  # See https://developercommunity.visualstudio.com/content/problem/375679/pipeline-variable-incorrectly-inserts-single-quote.html
-  set +x
-  echo "##vso[task.setvariable variable=tarball;isOutput=true]$TARBALL"
-  echo "##vso[task.setvariable variable=shasum;isOutput=true]$SHASUM"
-  echo "##vso[task.setvariable variable=bytesize;isOutput=true]$BYTESIZE"
-  echo "##vso[task.setvariable variable=version;isOutput=true]$VERSION"
-fi
ci/zinc/linux_test.sh
@@ -7,23 +7,23 @@ ZIG=$DEBUG_STAGING/bin/zig
 $ZIG test test/behavior.zig -fno-stage1 -fLLVM -I test
 $ZIG test test/behavior.zig -fno-stage1 -ofmt=c -I test
 
-$ZIG build test-behavior         -Denable-qemu -Denable-wasmtime
-$ZIG build test-compiler-rt      -Denable-qemu -Denable-wasmtime
-$ZIG build test-std              -Denable-qemu -Denable-wasmtime
-$ZIG build test-minilibc         -Denable-qemu -Denable-wasmtime
-$ZIG build test-compare-output   -Denable-qemu -Denable-wasmtime
-$ZIG build test-standalone       -Denable-qemu -Denable-wasmtime
-$ZIG build test-stack-traces     -Denable-qemu -Denable-wasmtime
-$ZIG build test-cli              -Denable-qemu -Denable-wasmtime
-$ZIG build test-asm-link         -Denable-qemu -Denable-wasmtime
-$ZIG build test-runtime-safety   -Denable-qemu -Denable-wasmtime
-$ZIG build test-translate-c      -Denable-qemu -Denable-wasmtime
-$ZIG build test-run-translated-c -Denable-qemu -Denable-wasmtime
-$ZIG build docs                  -Denable-qemu -Denable-wasmtime
+$ZIG build test-behavior         -fqemu -fwasmtime
+$ZIG build test-compiler-rt      -fqemu -fwasmtime
+$ZIG build test-std              -fqemu -fwasmtime
+$ZIG build test-minilibc         -fqemu -fwasmtime
+$ZIG build test-compare-output   -fqemu -fwasmtime
+$ZIG build test-standalone       -fqemu -fwasmtime
+$ZIG build test-stack-traces     -fqemu -fwasmtime
+$ZIG build test-cli              -fqemu -fwasmtime
+$ZIG build test-asm-link         -fqemu -fwasmtime
+$ZIG build test-runtime-safety   -fqemu -fwasmtime
+$ZIG build test-translate-c      -fqemu -fwasmtime
+$ZIG build test-run-translated-c -fqemu -fwasmtime
+$ZIG build docs                  -fqemu -fwasmtime
 $ZIG build # test building self-hosted without LLVM
 $ZIG build -Dtarget=arm-linux-musleabihf # test building self-hosted for 32-bit arm
-$ZIG build test-fmt              -Denable-qemu -Denable-wasmtime
-$ZIG build test-stage2           -Denable-qemu -Denable-wasmtime
+$ZIG build test-fmt              -fqemu -fwasmtime
+$ZIG build test-stage2           -fqemu -fwasmtime
 
 # Produce the experimental std lib documentation.
 mkdir -p $RELEASE_STAGING/docs/std
lib/std/special/build_runner.zig
@@ -142,6 +142,11 @@ pub fn main() !void {
                     return usageAndErr(builder, false, stderr_stream);
                 };
                 try debug_log_scopes.append(next_arg);
+            } else if (mem.eql(u8, arg, "--glibc-runtimes")) {
+                builder.glibc_runtimes_dir = nextArg(args, &arg_idx) orelse {
+                    std.debug.print("Expected argument after --glibc-runtimes\n\n", .{});
+                    return usageAndErr(builder, false, stderr_stream);
+                };
             } else if (mem.eql(u8, arg, "--verbose-tokenize")) {
                 builder.verbose_tokenize = true;
             } else if (mem.eql(u8, arg, "--verbose-ast")) {
@@ -160,6 +165,26 @@ pub fn main() !void {
                 builder.verbose_llvm_cpu_features = true;
             } else if (mem.eql(u8, arg, "--prominent-compile-errors")) {
                 builder.prominent_compile_errors = true;
+            } else if (mem.eql(u8, arg, "-fwine")) {
+                builder.enable_wine = true;
+            } else if (mem.eql(u8, arg, "-fno-wine")) {
+                builder.enable_wine = false;
+            } else if (mem.eql(u8, arg, "-fqemu")) {
+                builder.enable_qemu = true;
+            } else if (mem.eql(u8, arg, "-fno-qemu")) {
+                builder.enable_qemu = false;
+            } else if (mem.eql(u8, arg, "-fwasmtime")) {
+                builder.enable_wasmtime = true;
+            } else if (mem.eql(u8, arg, "-fno-wasmtime")) {
+                builder.enable_wasmtime = false;
+            } else if (mem.eql(u8, arg, "-frosetta")) {
+                builder.enable_rosetta = true;
+            } else if (mem.eql(u8, arg, "-fno-rosetta")) {
+                builder.enable_rosetta = false;
+            } else if (mem.eql(u8, arg, "-fdarling")) {
+                builder.enable_darling = true;
+            } else if (mem.eql(u8, arg, "-fno-darling")) {
+                builder.enable_darling = false;
             } else if (mem.eql(u8, arg, "--")) {
                 builder.args = argsRest(args, arg_idx);
                 break;
@@ -233,6 +258,22 @@ fn usage(builder: *Builder, already_ran_build: bool, out_stream: anytype) !void
         \\  --search-prefix [path]       Add a path to look for binaries, libraries, headers
         \\  --libc [file]                Provide a file which specifies libc paths
         \\
+        \\  -fdarling,  -fno-darling     Integration with system-installed Darling to
+        \\                               execute macOS programs on Linux hosts
+        \\                               (default: no)
+        \\  -fqemu,     -fno-qemu        Integration with system-installed QEMU to execute
+        \\                               foreign-architecture programs on Linux hosts
+        \\                               (default: no)
+        \\  --glibc-runtimes [path]      Enhances QEMU integration by providing glibc built
+        \\                               for multiple foreign architectures, allowing
+        \\                               execution of non-native programs that link with glibc.
+        \\  -frosetta,  -fno-rosetta     Rely on Rosetta to execute x86_64 programs on
+        \\                               ARM64 macOS hosts. (default: no)
+        \\  -fwasmtime, -fno-wasmtime    Integration with system-installed wasmtime to
+        \\                               execute WASI binaries. (default: no)
+        \\  -fwine,     -fno-wine        Integration with system-installed Wine to execute
+        \\                               Windows programs on Linux hosts. (default: no)
+        \\
         \\  -h, --help                   Print this help and exit
         \\  --verbose                    Print commands before executing them
         \\  --color [auto|off|on]        Enable or disable colored error messages
lib/std/build.zig
@@ -70,6 +70,22 @@ pub const Builder = struct {
     args: ?[][]const u8 = null,
     debug_log_scopes: []const []const u8 = &.{},
 
+    /// Experimental. Use system Darling installation to run cross compiled macOS build artifacts.
+    enable_darling: bool = false,
+    /// Use system QEMU installation to run cross compiled foreign architecture build artifacts.
+    enable_qemu: bool = false,
+    /// Darwin. Use Rosetta to run x86_64 macOS build artifacts on arm64 macOS.
+    enable_rosetta: bool = false,
+    /// Use system Wasmtime installation to run cross compiled wasm/wasi build artifacts.
+    enable_wasmtime: bool = false,
+    /// Use system Wine installation to run cross compiled Windows build artifacts.
+    enable_wine: bool = false,
+    /// After following the steps in https://github.com/ziglang/zig/wiki/Updating-libc#glibc,
+    /// this will be the directory $glibc-build-dir/install/glibcs
+    /// Given the example of the aarch64 target, this is the directory
+    /// that contains the path `aarch64-linux-gnu/lib/ld-linux-aarch64.so.1`.
+    glibc_runtimes_dir: ?[]const u8 = null,
+
     const PkgConfigError = error{
         PkgConfigCrashed,
         PkgConfigFailed,
@@ -1504,27 +1520,6 @@ pub const LibExeObjStep = struct {
     /// Permit read-only relocations in read-only segments. Disallowed by default.
     link_z_notext: bool = false,
 
-    /// Uses system Wine installation to run cross compiled Windows build artifacts.
-    enable_wine: bool = false,
-
-    /// Uses system QEMU installation to run cross compiled foreign architecture build artifacts.
-    enable_qemu: bool = false,
-
-    /// Uses system Wasmtime installation to run cross compiled wasm/wasi build artifacts.
-    enable_wasmtime: bool = false,
-
-    /// Experimental. Uses system Darling installation to run cross compiled macOS build artifacts.
-    enable_darling: bool = false,
-
-    /// Darwin. Uses Rosetta to run x86_64 macOS build artifacts on arm64 macOS.
-    enable_rosetta: bool = false,
-
-    /// After following the steps in https://github.com/ziglang/zig/wiki/Updating-libc#glibc,
-    /// this will be the directory $glibc-build-dir/install/glibcs
-    /// Given the example of the aarch64 target, this is the directory
-    /// that contains the path `aarch64-linux-gnu/lib/ld-linux-aarch64.so.1`.
-    glibc_multi_install_dir: ?[]const u8 = null,
-
     /// Position Independent Code
     force_pic: ?bool = null,
 
@@ -2533,13 +2528,13 @@ pub const LibExeObjStep = struct {
             }
         } else switch (self.target.getExternalExecutor()) {
             .native, .unavailable => {},
-            .rosetta => if (self.enable_rosetta) {
+            .rosetta => if (builder.enable_rosetta) {
                 try zig_args.append("--test-cmd-bin");
             },
-            .qemu => |bin_name| if (self.enable_qemu) qemu: {
+            .qemu => |bin_name| if (builder.enable_qemu) qemu: {
                 const need_cross_glibc = self.target.isGnuLibC() and self.is_linking_libc;
                 const glibc_dir_arg = if (need_cross_glibc)
-                    self.glibc_multi_install_dir orelse break :qemu
+                    builder.glibc_runtimes_dir orelse break :qemu
                 else
                     null;
                 try zig_args.append("--test-cmd");
@@ -2567,19 +2562,19 @@ pub const LibExeObjStep = struct {
                 }
                 try zig_args.append("--test-cmd-bin");
             },
-            .wine => |bin_name| if (self.enable_wine) {
+            .wine => |bin_name| if (builder.enable_wine) {
                 try zig_args.append("--test-cmd");
                 try zig_args.append(bin_name);
                 try zig_args.append("--test-cmd-bin");
             },
-            .wasmtime => |bin_name| if (self.enable_wasmtime) {
+            .wasmtime => |bin_name| if (builder.enable_wasmtime) {
                 try zig_args.append("--test-cmd");
                 try zig_args.append(bin_name);
                 try zig_args.append("--test-cmd");
                 try zig_args.append("--dir=.");
                 try zig_args.append("--test-cmd-bin");
             },
-            .darling => |bin_name| if (self.enable_darling) {
+            .darling => |bin_name| if (builder.enable_darling) {
                 try zig_args.append("--test-cmd");
                 try zig_args.append(bin_name);
                 try zig_args.append("--test-cmd-bin");
src/test.zig
@@ -11,7 +11,7 @@ const enable_wine: bool = build_options.enable_wine;
 const enable_wasmtime: bool = build_options.enable_wasmtime;
 const enable_darling: bool = build_options.enable_darling;
 const enable_rosetta: bool = build_options.enable_rosetta;
-const glibc_multi_install_dir: ?[]const u8 = build_options.glibc_multi_install_dir;
+const glibc_runtimes_dir: ?[]const u8 = build_options.glibc_runtimes_dir;
 const skip_compile_errors = build_options.skip_compile_errors;
 const ThreadPool = @import("ThreadPool.zig");
 const CrossTarget = std.zig.CrossTarget;
@@ -1143,7 +1143,7 @@ pub const TestContext = struct {
                                 // TODO Ability for test cases to specify whether to link libc.
                                 const need_cross_glibc = false; // target.isGnuLibC() and self.is_linking_libc;
                                 const glibc_dir_arg = if (need_cross_glibc)
-                                    glibc_multi_install_dir orelse return // glibc dir not available; pass test
+                                    glibc_runtimes_dir orelse return // glibc dir not available; pass test
                                 else
                                     null;
                                 try argv.append(qemu_bin_name);
test/tests.zig
@@ -513,12 +513,6 @@ pub fn addPkgTests(
     skip_single_threaded: bool,
     skip_non_native: bool,
     skip_libc: bool,
-    is_wine_enabled: bool,
-    is_qemu_enabled: bool,
-    is_wasmtime_enabled: bool,
-    is_darling_enabled: bool,
-    is_rosetta_enabled: bool,
-    glibc_dir: ?[]const u8,
 ) *build.Step {
     const step = b.step(b.fmt("test-{s}", .{name}), desc);
 
@@ -575,12 +569,6 @@ pub fn addPkgTests(
             these_tests.linkSystemLibrary("c");
         }
         these_tests.overrideZigLibDir("lib");
-        these_tests.enable_wine = is_wine_enabled;
-        these_tests.enable_qemu = is_qemu_enabled;
-        these_tests.enable_wasmtime = is_wasmtime_enabled;
-        these_tests.enable_darling = is_darling_enabled;
-        these_tests.enable_rosetta = is_rosetta_enabled;
-        these_tests.glibc_multi_install_dir = glibc_dir;
         these_tests.addIncludeDir("test");
 
         step.dependOn(&these_tests.step);
build.zig
@@ -296,13 +296,6 @@ pub fn build(b: *Builder) !void {
 
     const test_filter = b.option([]const u8, "test-filter", "Skip tests that do not match filter");
 
-    const is_wine_enabled = b.option(bool, "enable-wine", "Use Wine to run cross compiled Windows tests") orelse false;
-    const is_qemu_enabled = b.option(bool, "enable-qemu", "Use QEMU to run cross compiled foreign architecture tests") orelse false;
-    const is_wasmtime_enabled = b.option(bool, "enable-wasmtime", "Use Wasmtime to enable and run WASI libstd tests") orelse false;
-    const is_darling_enabled = b.option(bool, "enable-darling", "[Experimental] Use Darling to run cross compiled macOS tests") orelse false;
-    const is_rosetta_enabled = b.option(bool, "enable-rosetta", "(Darwin) Use Rosetta to run x86_64 macOS tests on arm64 macOS") orelse false;
-    const glibc_multi_dir = b.option([]const u8, "enable-foreign-glibc", "Provide directory with glibc installations to run cross compiled tests that link glibc");
-
     const test_stage2_options = b.addOptions();
     test_stage2.addOptions("build_options", test_stage2_options);
 
@@ -317,13 +310,13 @@ pub fn build(b: *Builder) !void {
     test_stage2_options.addOption(bool, "llvm_has_csky", llvm_has_csky);
     test_stage2_options.addOption(bool, "llvm_has_ve", llvm_has_ve);
     test_stage2_options.addOption(bool, "llvm_has_arc", llvm_has_arc);
-    test_stage2_options.addOption(bool, "enable_qemu", is_qemu_enabled);
-    test_stage2_options.addOption(bool, "enable_wine", is_wine_enabled);
-    test_stage2_options.addOption(bool, "enable_wasmtime", is_wasmtime_enabled);
-    test_stage2_options.addOption(bool, "enable_rosetta", is_rosetta_enabled);
+    test_stage2_options.addOption(bool, "enable_qemu", b.enable_qemu);
+    test_stage2_options.addOption(bool, "enable_wine", b.enable_wine);
+    test_stage2_options.addOption(bool, "enable_wasmtime", b.enable_wasmtime);
+    test_stage2_options.addOption(bool, "enable_rosetta", b.enable_rosetta);
+    test_stage2_options.addOption(bool, "enable_darling", b.enable_darling);
     test_stage2_options.addOption(u32, "mem_leak_frames", mem_leak_frames * 2);
-    test_stage2_options.addOption(bool, "enable_darling", is_darling_enabled);
-    test_stage2_options.addOption(?[]const u8, "glibc_multi_install_dir", glibc_multi_dir);
+    test_stage2_options.addOption(?[]const u8, "glibc_runtimes_dir", b.glibc_runtimes_dir);
     test_stage2_options.addOption([:0]const u8, "version", try b.allocator.dupeZ(u8, version));
     test_stage2_options.addOption(std.SemanticVersion, "semver", semver);
 
@@ -368,12 +361,6 @@ pub fn build(b: *Builder) !void {
         false, // skip_single_threaded
         skip_non_native,
         skip_libc,
-        is_wine_enabled,
-        is_qemu_enabled,
-        is_wasmtime_enabled,
-        is_darling_enabled,
-        is_rosetta_enabled,
-        glibc_multi_dir,
     ));
 
     toolchain_step.dependOn(tests.addPkgTests(
@@ -386,12 +373,6 @@ pub fn build(b: *Builder) !void {
         true, // skip_single_threaded
         skip_non_native,
         true, // skip_libc
-        is_wine_enabled,
-        is_qemu_enabled,
-        is_wasmtime_enabled,
-        is_darling_enabled,
-        is_rosetta_enabled,
-        glibc_multi_dir,
     ));
 
     toolchain_step.dependOn(tests.addPkgTests(
@@ -404,12 +385,6 @@ pub fn build(b: *Builder) !void {
         true, // skip_single_threaded
         skip_non_native,
         true, // skip_libc
-        is_wine_enabled,
-        is_qemu_enabled,
-        is_wasmtime_enabled,
-        is_darling_enabled,
-        is_rosetta_enabled,
-        glibc_multi_dir,
     ));
 
     toolchain_step.dependOn(tests.addCompareOutputTests(b, test_filter, modes));
@@ -435,12 +410,6 @@ pub fn build(b: *Builder) !void {
         false,
         skip_non_native,
         skip_libc,
-        is_wine_enabled,
-        is_qemu_enabled,
-        is_wasmtime_enabled,
-        is_darling_enabled,
-        is_rosetta_enabled,
-        glibc_multi_dir,
     );
 
     const test_step = b.step("test", "Run all the tests");