Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 403 insertions, 0 deletions

diff --git a/build/moz.configure/bindgen.configure b/build/moz.configure/bindgen.configure
new file mode 100644
index 0000000000..5ce66fe9af
--- /dev/null
+++ b/build/moz.configure/bindgen.configure
@@ -0,0 +1,403 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+@depends(build_project, "--enable-smoosh")
+def cbindgen_is_needed(build_project, js_enable_smoosh):
+    if build_project != "js":
+        # cbindgen is needed by the style system build and webrender.
+        return True
+
+    # cbindgen is needed by SmooshMonkey.
+    return js_enable_smoosh
+
+
+option(env="CBINDGEN", nargs=1, when=cbindgen_is_needed, help="Path to cbindgen")
+
+
+@imports(_from="textwrap", _import="dedent")
+def check_cbindgen_version(cbindgen, fatal=False):
+    log.debug("trying cbindgen: %s" % cbindgen)
+
+    cbindgen_min_version = Version("0.24.3")
+
+    # cbindgen x.y.z
+    version = Version(check_cmd_output(cbindgen, "--version").strip().split(" ")[1])
+    log.debug("%s has version %s" % (cbindgen, version))
+    if version >= cbindgen_min_version:
+        return True
+    if not fatal:
+        return False
+
+    die(
+        dedent(
+            """\
+    cbindgen version {} is too old. At least version {} is required.
+
+    Please update using 'cargo install cbindgen --force' or running
+    './mach bootstrap', after removing the existing executable located at
+    {}.
+    """.format(
+                version, cbindgen_min_version, cbindgen
+            )
+        )
+    )
+
+
+# Similar behavior to what check_prog does.
+has_cbindgen_input = depends("CBINDGEN", when=cbindgen_is_needed)(lambda x: x)
+bootstrap_cbindgen = depends(cbindgen_is_needed, has_cbindgen_input)(
+    lambda n, i: n and not i
+)
+
+
+@depends_if(
+    "CBINDGEN",
+    bootstrap_search_path("cbindgen", when=bootstrap_cbindgen),
+    rust_search_path,
+    when=cbindgen_is_needed,
+)
+@checking("for cbindgen")
+@imports(_from="textwrap", _import="dedent")
+def cbindgen(cbindgen_override, bootstrap_search_path, rust_search_path):
+    if cbindgen_override:
+        check_cbindgen_version(cbindgen_override[0], fatal=True)
+        return cbindgen_override[0]
+
+    candidates = []
+    for path in bootstrap_search_path + rust_search_path:
+        candidate = find_program("cbindgen", [path])
+        if not candidate:
+            continue
+        if check_cbindgen_version(candidate):
+            return candidate
+        candidates.append(candidate)
+
+    if not candidates:
+        raise FatalCheckError(
+            dedent(
+                """\
+        Cannot find cbindgen. Please run `mach bootstrap`,
+        `cargo install cbindgen`, ensure that `cbindgen` is on your PATH,
+        or point at an executable with `CBINDGEN`.
+        """
+            )
+        )
+    check_cbindgen_version(candidates[0], fatal=True)
+
+
+set_config("CBINDGEN", cbindgen)
+
+# Bindgen can use rustfmt to format Rust file, but it's not required.
+option(env="RUSTFMT", nargs=1, help="Path to the rustfmt program")
+
+rustfmt = check_prog(
+    "RUSTFMT",
+    ["rustfmt"],
+    paths=rust_search_path,
+    input="RUSTFMT",
+    allow_missing=True,
+)
+
+
+option(
+    "--with-libclang-path",
+    nargs=1,
+    help="Absolute path to a directory containing Clang/LLVM libraries for bindgen (version 3.9.x or above)",
+)
+option(
+    "--with-clang-path",
+    nargs=1,
+    help="Absolute path to a Clang binary for bindgen (version 3.9.x or above)",
+)
+
+
+@depends(
+    "--with-clang-path",
+    configure_cache,
+    c_compiler,
+    cxx_compiler,
+    clang_search_path,
+    target,
+    target_sysroot.path,
+    android_version,
+)
+@checking("for clang for bindgen", lambda x: x.path if x else "not found")
+def bindgen_clang_compiler(
+    clang_path,
+    configure_cache,
+    c_compiler,
+    cxx_compiler,
+    clang_search_path,
+    target,
+    sysroot_path,
+    android_version,
+):
+    # When the target compiler is clang, use that, including flags.
+    if cxx_compiler.type == "clang":
+        if clang_path and clang_path[0] not in (
+            c_compiler.compiler,
+            cxx_compiler.compiler,
+        ):
+            die(
+                "--with-clang-path is not valid when the target compiler is %s",
+                cxx_compiler.type,
+            )
+        return namespace(
+            path=cxx_compiler.compiler,
+            flags=cxx_compiler.flags,
+        )
+    # When the target compiler is clang-cl, use clang in the same directory,
+    # and figure the right flags to use.
+    if cxx_compiler.type == "clang-cl":
+        if clang_path and os.path.dirname(clang_path[0]) != os.path.dirname(
+            cxx_compiler.compiler
+        ):
+            die(
+                "--with-clang-path must point to clang in the same directory "
+                "as the target compiler"
+            )
+        if not clang_path:
+            clang_path = [os.path.join(os.path.dirname(cxx_compiler.compiler), "clang")]
+
+    clang_path = find_program(
+        clang_path[0] if clang_path else "clang++", clang_search_path
+    )
+    if not clang_path:
+        return
+    # Hack before bug 1617793: if the compiler is clang-cl, hack the target
+    if cxx_compiler.type == "clang-cl":
+        target = split_triplet("%s-pc-windows-msvc" % target.raw_cpu)
+    flags = []
+    if sysroot_path:
+        flags.extend(("--sysroot", sysroot_path))
+    info = check_compiler(
+        configure_cache, [clang_path] + flags, "C++", target, android_version
+    )
+    # Usually, one check_compiler pass would be enough, but when cross-compiling
+    # and the host and target don't use the same default C++ standard, we don't
+    # get the --std flag, so try again. This is the same thing as valid_compiler()
+    # does in toolchain.configure.
+    if info.flags:
+        flags += info.flags
+        info = check_compiler(
+            configure_cache, [clang_path] + flags, "C++", target, android_version
+        )
+    return namespace(
+        path=clang_path,
+        flags=flags + info.flags,
+    )
+
+
+@depends("--with-libclang-path", bindgen_clang_compiler, host_library_name_info, host)
+@checking("for libclang for bindgen", lambda x: x if x else "not found")
+@imports("glob")
+@imports(_from="os", _import="pathsep")
+@imports(_from="os.path", _import="split", _as="pathsplit")
+@imports("re")
+def bindgen_libclang_path(libclang_path, clang, library_name_info, host):
+    if not clang:
+        if libclang_path:
+            die(
+                "--with-libclang-path is not valid without a clang compiler "
+                "for bindgen"
+            )
+        return
+
+    # Try to ensure that the clang shared library that bindgen is going
+    # to look for is actually present.  The files that we search for
+    # mirror the logic in clang-sys/build.rs.
+    libclang_choices = []
+    if host.os == "WINNT":
+        libclang_choices.append("libclang.dll")
+    libclang_choices.append(
+        "%sclang%s" % (library_name_info.dll.prefix, library_name_info.dll.suffix)
+    )
+    if host.kernel == "Linux":
+        libclang_choices.append("libclang.so.*")
+
+    if host.os == "OpenBSD":
+        libclang_choices.append("libclang.so.*.*")
+
+    candidates = []
+    if not libclang_path:
+        # Try to find libclang_path based on clang search dirs.
+        clang_search_dirs = check_cmd_output(clang.path, "-print-search-dirs")
+        for line in clang_search_dirs.splitlines():
+            name, _, value = line.partition(": =")
+            if host.os == "WINNT" and name == "programs":
+                # On Windows, libclang.dll is in bin/ rather than lib/,
+                # so scan the programs search dirs.
+                # To make matters complicated, clang before version 9 uses `:`
+                # separate between paths (and `;` in newer versions)
+                if pathsep in value:
+                    candidates.extend(value.split(pathsep))
+                else:
+                    for part in value.split(":"):
+                        # Assume that if previous "candidate" was of length 1,
+                        # it's a drive letter and the current part is the rest of
+                        # the corresponding full path.
+                        if candidates and len(candidates[-1]) == 1:
+                            candidates[-1] += ":" + part
+                        else:
+                            candidates.append(part)
+            elif host.os != "WINNT" and name == "libraries":
+                # On other platforms, use the directories from the libraries
+                # search dirs that looks like $something/clang/$version.
+                for dir in value.split(pathsep):
+                    dir, version = pathsplit(dir)
+                    if re.match(r"[0-9.]+", version):
+                        dir, name = pathsplit(dir)
+                        if name == "clang":
+                            candidates.append(dir)
+    else:
+        candidates.append(libclang_path[0])
+
+    for dir in candidates:
+        for pattern in libclang_choices:
+            log.debug('Trying "%s" in "%s"', pattern, dir)
+            libs = glob.glob(os.path.join(dir, pattern))
+            if libs:
+                return libs[0]
+
+
+@depends(bindgen_clang_compiler, bindgen_libclang_path, build_project)
+def bindgen_config_paths(clang, libclang, build_project):
+    # XXX: we want this code to be run for both Gecko and JS, but we don't
+    # necessarily want to force a bindgen/Rust dependency on JS just yet.
+    # Actually, we don't want to force an error if we're not building the
+    # browser generally.  We therefore whitelist the projects that require
+    # bindgen facilities at this point and leave it at that.
+    if build_project in ("browser", "mobile/android"):
+        if not clang:
+            die(
+                "Could not find clang to generate run bindings for C/C++. "
+                "Please install the necessary packages, run `mach bootstrap`, "
+                "or use --with-clang-path to give the location of clang."
+            )
+
+        if not libclang:
+            die(
+                "Could not find libclang to generate rust bindings for C/C++. "
+                "Please install the necessary packages, run `mach bootstrap`, "
+                "or use --with-libclang-path to give the path containing it."
+            )
+
+    if clang and libclang:
+        return namespace(
+            libclang=libclang,
+            libclang_path=os.path.dirname(libclang),
+            clang_path=clang.path,
+            clang_flags=clang.flags,
+        )
+
+
+@depends(bindgen_config_paths.libclang, when=bindgen_config_paths)
+@checking("that libclang is new enough", lambda s: "yes" if s else "no")
+@imports(_from="ctypes", _import="CDLL")
+@imports(_from="textwrap", _import="dedent")
+def min_libclang_version(libclang):
+    try:
+        lib = CDLL(libclang)
+        # We want at least 5.0. The API we test below is enough for that.
+        # Just accessing it should throw if not found.
+        fun = lib.clang_getAddressSpace
+        return True
+    except:
+        die(
+            dedent(
+                """\
+        The libclang located at {} is too old (need at least 5.0).
+
+        Please make sure to update it or point to a newer libclang using
+        --with-libclang-path.
+        """.format(
+                    libclang
+                )
+            )
+        )
+        return False
+
+
+set_config("MOZ_LIBCLANG_PATH", bindgen_config_paths.libclang_path)
+set_config("MOZ_CLANG_PATH", bindgen_config_paths.clang_path)
+
+
+@depends(
+    target,
+    target_is_unix,
+    cxx_compiler,
+    bindgen_cflags_android,
+    bindgen_config_paths.clang_flags,
+    all_clang_arm_flags,
+)
+def basic_bindgen_cflags(
+    target, is_unix, compiler_info, android_cflags, clang_flags, all_arm_flags
+):
+    args = [
+        "-x",
+        "c++",
+        "-fno-sized-deallocation",
+        "-fno-aligned-new",
+        "-DTRACING=1",
+        "-DIMPL_LIBXUL",
+        "-DMOZILLA_INTERNAL_API",
+        "-DRUST_BINDGEN",
+    ]
+
+    if is_unix:
+        args += ["-DOS_POSIX=1"]
+
+    if target.os == "Android":
+        args += android_cflags
+
+    args += {
+        "Android": ["-DOS_ANDROID=1"],
+        "DragonFly": ["-DOS_BSD=1", "-DOS_DRAGONFLY=1"],
+        "FreeBSD": ["-DOS_BSD=1", "-DOS_FREEBSD=1"],
+        "GNU": ["-DOS_LINUX=1"],
+        "NetBSD": ["-DOS_BSD=1", "-DOS_NETBSD=1"],
+        "OpenBSD": ["-DOS_BSD=1", "-DOS_OPENBSD=1"],
+        "OSX": ["-DOS_MACOSX=1"],
+        "SunOS": ["-DOS_SOLARIS=1"],
+        "WINNT": [
+            "-DOS_WIN=1",
+            "-DWIN32=1",
+        ],
+    }.get(target.os, [])
+
+    if compiler_info.type == "clang-cl":
+        args += [
+            # To enable the builtin __builtin_offsetof so that CRT wouldn't
+            # use reinterpret_cast in offsetof() which is not allowed inside
+            # static_assert().
+            "-D_CRT_USE_BUILTIN_OFFSETOF",
+            # Enable hidden attribute (which is not supported by MSVC and
+            # thus not enabled by default with a MSVC-compatibile build)
+            # to exclude hidden symbols from the generated file.
+            "-DHAVE_VISIBILITY_HIDDEN_ATTRIBUTE=1",
+        ]
+
+    return args + (clang_flags or []) + (all_arm_flags or [])
+
+
+option(
+    env="BINDGEN_CFLAGS",
+    nargs=1,
+    help="Options bindgen should pass to the C/C++ parser",
+)
+
+
+@depends(basic_bindgen_cflags, "BINDGEN_CFLAGS")
+@checking("bindgen cflags", lambda s: s if s else "no")
+def bindgen_cflags(base_flags, extra_flags):
+    flags = base_flags
+    if extra_flags and len(extra_flags):
+        flags += extra_flags[0].split()
+    return " ".join(flags)
+
+
+set_config("BINDGEN_SYSTEM_FLAGS", bindgen_cflags)