Merge remote-tracking branch 'origin/master' into llvm11

The changes to install_files.h needed to put into src/libcxx.zig

1 files changed, 319 insertions, 0 deletions

diff --git a/src/libcxx.zig b/src/libcxx.zig
new file mode 100644
index 0000000000..b76c8f1163
--- /dev/null
+++ b/src/libcxx.zig
@@ -0,0 +1,319 @@
+const std = @import("std");
+const path = std.fs.path;
+const assert = std.debug.assert;
+
+const target_util = @import("target.zig");
+const Compilation = @import("Compilation.zig");
+const build_options = @import("build_options");
+const trace = @import("tracy.zig").trace;
+
+const libcxxabi_files = [_][]const u8{
+    "src/abort_message.cpp",
+    "src/cxa_aux_runtime.cpp",
+    "src/cxa_default_handlers.cpp",
+    "src/cxa_demangle.cpp",
+    "src/cxa_exception.cpp",
+    "src/cxa_exception_storage.cpp",
+    "src/cxa_guard.cpp",
+    "src/cxa_handlers.cpp",
+    "src/cxa_noexception.cpp",
+    "src/cxa_personality.cpp",
+    "src/cxa_thread_atexit.cpp",
+    "src/cxa_vector.cpp",
+    "src/cxa_virtual.cpp",
+    "src/fallback_malloc.cpp",
+    "src/private_typeinfo.cpp",
+    "src/stdlib_exception.cpp",
+    "src/stdlib_new_delete.cpp",
+    "src/stdlib_stdexcept.cpp",
+    "src/stdlib_typeinfo.cpp",
+};
+
+const libcxx_files = [_][]const u8{
+    "src/algorithm.cpp",
+    "src/any.cpp",
+    "src/atomic.cpp",
+    "src/barrier.cpp",
+    "src/bind.cpp",
+    "src/charconv.cpp",
+    "src/chrono.cpp",
+    "src/condition_variable.cpp",
+    "src/condition_variable_destructor.cpp",
+    "src/debug.cpp",
+    "src/exception.cpp",
+    "src/experimental/memory_resource.cpp",
+    "src/filesystem/directory_iterator.cpp",
+    "src/filesystem/int128_builtins.cpp",
+    "src/filesystem/operations.cpp",
+    "src/functional.cpp",
+    "src/future.cpp",
+    "src/hash.cpp",
+    "src/ios.cpp",
+    "src/iostream.cpp",
+    "src/locale.cpp",
+    "src/memory.cpp",
+    "src/mutex.cpp",
+    "src/mutex_destructor.cpp",
+    "src/new.cpp",
+    "src/optional.cpp",
+    "src/random.cpp",
+    "src/random_shuffle.cpp",
+    "src/regex.cpp",
+    "src/shared_mutex.cpp",
+    "src/stdexcept.cpp",
+    "src/string.cpp",
+    "src/strstream.cpp",
+    "src/support/solaris/xlocale.cpp",
+    "src/support/win32/locale_win32.cpp",
+    "src/support/win32/support.cpp",
+    "src/support/win32/thread_win32.cpp",
+    "src/system_error.cpp",
+    "src/thread.cpp",
+    "src/typeinfo.cpp",
+    "src/utility.cpp",
+    "src/valarray.cpp",
+    "src/variant.cpp",
+    "src/vector.cpp",
+};
+
+pub fn buildLibCXX(comp: *Compilation) !void {
+    if (!build_options.have_llvm) {
+        return error.ZigCompilerNotBuiltWithLLVMExtensions;
+    }
+
+    const tracy = trace(@src());
+    defer tracy.end();
+
+    var arena_allocator = std.heap.ArenaAllocator.init(comp.gpa);
+    defer arena_allocator.deinit();
+    const arena = &arena_allocator.allocator;
+
+    const root_name = "c++";
+    const output_mode = .Lib;
+    const link_mode = .Static;
+    const target = comp.getTarget();
+    const basename = try std.zig.binNameAlloc(arena, .{
+        .root_name = root_name,
+        .target = target,
+        .output_mode = output_mode,
+        .link_mode = link_mode,
+    });
+
+    const emit_bin = Compilation.EmitLoc{
+        .directory = null, // Put it in the cache directory.
+        .basename = basename,
+    };
+
+    const cxxabi_include_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libcxxabi", "include" });
+    const cxx_include_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libcxx", "include" });
+    var c_source_files = std.ArrayList(Compilation.CSourceFile).init(arena);
+    try c_source_files.ensureCapacity(libcxx_files.len);
+
+    for (libcxx_files) |cxx_src| {
+        var cflags = std.ArrayList([]const u8).init(arena);
+
+        if (target.os.tag == .windows) {
+            // Filesystem stuff isn't supported on Windows.
+            if (std.mem.startsWith(u8, cxx_src, "src/filesystem/"))
+                continue;
+        } else {
+            if (std.mem.startsWith(u8, cxx_src, "src/support/win32/"))
+                continue;
+        }
+
+        try cflags.append("-DNDEBUG");
+        try cflags.append("-D_LIBCPP_BUILDING_LIBRARY");
+        try cflags.append("-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER");
+        try cflags.append("-DLIBCXX_BUILDING_LIBCXXABI");
+        try cflags.append("-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS");
+        try cflags.append("-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS");
+
+        if (target.abi.isMusl()) {
+            try cflags.append("-D_LIBCPP_HAS_MUSL_LIBC");
+        }
+
+        try cflags.append("-I");
+        try cflags.append(cxx_include_path);
+
+        try cflags.append("-I");
+        try cflags.append(cxxabi_include_path);
+
+        try cflags.append("-O3");
+        try cflags.append("-DNDEBUG");
+        if (target_util.supports_fpic(target)) {
+            try cflags.append("-fPIC");
+        }
+        try cflags.append("-nostdinc++");
+        try cflags.append("-fvisibility-inlines-hidden");
+        try cflags.append("-std=c++14");
+        try cflags.append("-Wno-user-defined-literals");
+
+        c_source_files.appendAssumeCapacity(.{
+            .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libcxx", cxx_src }),
+            .extra_flags = cflags.items,
+        });
+    }
+
+    const sub_compilation = try Compilation.create(comp.gpa, .{
+        .local_cache_directory = comp.global_cache_directory,
+        .global_cache_directory = comp.global_cache_directory,
+        .zig_lib_directory = comp.zig_lib_directory,
+        .target = target,
+        .root_name = root_name,
+        .root_pkg = null,
+        .output_mode = output_mode,
+        .rand = comp.rand,
+        .libc_installation = comp.bin_file.options.libc_installation,
+        .emit_bin = emit_bin,
+        .optimize_mode = comp.bin_file.options.optimize_mode,
+        .link_mode = link_mode,
+        .want_sanitize_c = false,
+        .want_stack_check = false,
+        .want_valgrind = false,
+        .want_pic = comp.bin_file.options.pic,
+        .emit_h = null,
+        .strip = comp.bin_file.options.strip,
+        .is_native_os = comp.bin_file.options.is_native_os,
+        .self_exe_path = comp.self_exe_path,
+        .c_source_files = c_source_files.items,
+        .verbose_cc = comp.verbose_cc,
+        .verbose_link = comp.bin_file.options.verbose_link,
+        .verbose_tokenize = comp.verbose_tokenize,
+        .verbose_ast = comp.verbose_ast,
+        .verbose_ir = comp.verbose_ir,
+        .verbose_llvm_ir = comp.verbose_llvm_ir,
+        .verbose_cimport = comp.verbose_cimport,
+        .verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
+        .clang_passthrough_mode = comp.clang_passthrough_mode,
+        .link_libc = true,
+    });
+    defer sub_compilation.destroy();
+
+    try sub_compilation.updateSubCompilation();
+
+    assert(comp.libcxx_static_lib == null);
+    comp.libcxx_static_lib = Compilation.CRTFile{
+        .full_object_path = try sub_compilation.bin_file.options.emit.?.directory.join(
+            comp.gpa,
+            &[_][]const u8{basename},
+        ),
+        .lock = sub_compilation.bin_file.toOwnedLock(),
+    };
+}
+
+pub fn buildLibCXXABI(comp: *Compilation) !void {
+    if (!build_options.have_llvm) {
+        return error.ZigCompilerNotBuiltWithLLVMExtensions;
+    }
+
+    const tracy = trace(@src());
+    defer tracy.end();
+
+    var arena_allocator = std.heap.ArenaAllocator.init(comp.gpa);
+    defer arena_allocator.deinit();
+    const arena = &arena_allocator.allocator;
+
+    const root_name = "c++abi";
+    const output_mode = .Lib;
+    const link_mode = .Static;
+    const target = comp.getTarget();
+    const basename = try std.zig.binNameAlloc(arena, .{
+        .root_name = root_name,
+        .target = target,
+        .output_mode = output_mode,
+        .link_mode = link_mode,
+    });
+
+    const emit_bin = Compilation.EmitLoc{
+        .directory = null, // Put it in the cache directory.
+        .basename = basename,
+    };
+
+    const cxxabi_include_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libcxxabi", "include" });
+    const cxx_include_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libcxx", "include" });
+
+    var c_source_files: [libcxxabi_files.len]Compilation.CSourceFile = undefined;
+    for (libcxxabi_files) |cxxabi_src, i| {
+        var cflags = std.ArrayList([]const u8).init(arena);
+
+        try cflags.append("-DHAVE___CXA_THREAD_ATEXIT_IMPL");
+        try cflags.append("-D_LIBCPP_DISABLE_EXTERN_TEMPLATE");
+        try cflags.append("-D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS");
+        try cflags.append("-D_LIBCXXABI_BUILDING_LIBRARY");
+        try cflags.append("-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS");
+        try cflags.append("-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS");
+
+        if (target.abi.isMusl()) {
+            try cflags.append("-D_LIBCPP_HAS_MUSL_LIBC");
+        }
+
+        try cflags.append("-I");
+        try cflags.append(cxxabi_include_path);
+
+        try cflags.append("-I");
+        try cflags.append(cxx_include_path);
+
+        try cflags.append("-O3");
+        try cflags.append("-DNDEBUG");
+        if (target_util.supports_fpic(target)) {
+            try cflags.append("-fPIC");
+        }
+        try cflags.append("-nostdinc++");
+        try cflags.append("-fstrict-aliasing");
+        try cflags.append("-funwind-tables");
+        try cflags.append("-D_DEBUG");
+        try cflags.append("-UNDEBUG");
+        try cflags.append("-std=c++11");
+
+        c_source_files[i] = .{
+            .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{ "libcxxabi", cxxabi_src }),
+            .extra_flags = cflags.items,
+        };
+    }
+
+    const sub_compilation = try Compilation.create(comp.gpa, .{
+        .local_cache_directory = comp.global_cache_directory,
+        .global_cache_directory = comp.global_cache_directory,
+        .zig_lib_directory = comp.zig_lib_directory,
+        .target = target,
+        .root_name = root_name,
+        .root_pkg = null,
+        .output_mode = output_mode,
+        .rand = comp.rand,
+        .libc_installation = comp.bin_file.options.libc_installation,
+        .emit_bin = emit_bin,
+        .optimize_mode = comp.bin_file.options.optimize_mode,
+        .link_mode = link_mode,
+        .want_sanitize_c = false,
+        .want_stack_check = false,
+        .want_valgrind = false,
+        .want_pic = comp.bin_file.options.pic,
+        .emit_h = null,
+        .strip = comp.bin_file.options.strip,
+        .is_native_os = comp.bin_file.options.is_native_os,
+        .self_exe_path = comp.self_exe_path,
+        .c_source_files = &c_source_files,
+        .verbose_cc = comp.verbose_cc,
+        .verbose_link = comp.bin_file.options.verbose_link,
+        .verbose_tokenize = comp.verbose_tokenize,
+        .verbose_ast = comp.verbose_ast,
+        .verbose_ir = comp.verbose_ir,
+        .verbose_llvm_ir = comp.verbose_llvm_ir,
+        .verbose_cimport = comp.verbose_cimport,
+        .verbose_llvm_cpu_features = comp.verbose_llvm_cpu_features,
+        .clang_passthrough_mode = comp.clang_passthrough_mode,
+        .link_libc = true,
+    });
+    defer sub_compilation.destroy();
+
+    try sub_compilation.updateSubCompilation();
+
+    assert(comp.libcxxabi_static_lib == null);
+    comp.libcxxabi_static_lib = Compilation.CRTFile{
+        .full_object_path = try sub_compilation.bin_file.options.emit.?.directory.join(
+            comp.gpa,
+            &[_][]const u8{basename},
+        ),
+        .lock = sub_compilation.bin_file.toOwnedLock(),
+    };
+}