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# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack.package import *


class Icu4c(AutotoolsPackage):
    """ICU is a mature, widely used set of C/C++ and Java libraries providing
    Unicode and Globalization support for software applications. ICU4C is the
    C/C++ interface."""

    homepage = "http://site.icu-project.org/"
    url = "https://github.com/unicode-org/icu/releases/download/release-65-1/icu4c-65_1-src.tgz"

    license("Unicode-TOU")

    version("67.1", sha256="94a80cd6f251a53bd2a997f6f1b5ac6653fe791dfab66e1eb0227740fb86d5dc")
    version("66.1", sha256="52a3f2209ab95559c1cf0a14f24338001f389615bf00e2585ef3dbc43ecf0a2e")
    version("65.1", sha256="53e37466b3d6d6d01ead029e3567d873a43a5d1c668ed2278e253b683136d948")
    version("64.1", sha256="92f1b7b9d51b396679c17f35a2112423361b8da3c1b9de00aa94fd768ae296e6")
    version("60.3", sha256="476287b17db6e0b7da230dce4b58e8e5669b1510847f82cab3647920f1374390")
    version("60.1", sha256="f8f5a6c8fbf32c015a467972bdb1477dc5f5d5dfea908b6ed218715eeb5ee225")
    version("58.3", sha256="2680f3c547cd26cba1d7ebd819cd336ff92cf444a270e195fd3b10bfdf22276c")
    version("58.2", sha256="2b0a4410153a9b20de0e20c7d8b66049a72aef244b53683d0d7521371683da0c")
    version("57.2", sha256="623f04b921827a041f42d52495a6f8eee6565a9b7557051ac68e099123ff28dc")
    version("57.1", sha256="ff8c67cb65949b1e7808f2359f2b80f722697048e90e7cfc382ec1fe229e9581")

    variant(
        "cxxstd",
        default="11",
        values=("11", "14", "17"),
        multi=False,
        description="Use the specified C++ standard when building",
    )

    depends_on("python", type="build", when="@64.1:")

    conflicts(
        "%intel@:16",
        when="@60.1:",
        msg="Intel compilers have immature C++11 and multibyte support",
    )
    conflicts("%gcc@:4", when="@67.1:", msg="Older GCC compilers have immature C++11 support")

    patch(
        "https://github.com/unicode-org/icu/commit/ddfc30860354cbcb78c2c0bcf800be5ab44a9e4f.patch?full_index=1",
        sha256="6be0b8068b0f5047dad7f4f6f655529304f1abbc551c93223c6f41dafc1e8acc",
        level=2,
        when="@58.0:59",
    )

    configure_directory = "source"

    def url_for_version(self, version):
        url = "https://github.com/unicode-org/icu/releases/download/release-{0}/icu4c-{1}-src.tgz"
        return url.format(version.dashed, version.underscored)

    def flag_handler(self, name, flags):
        if name == "cxxflags":
            # Control of the C++ Standard is via adding the required "-std"
            # flag to CXXFLAGS in env
            flags.append(
                getattr(self.compiler, "cxx{0}_flag".format(self.spec.variants["cxxstd"].value))
            )
        return (None, flags, None)

    # Need to make sure that locale is UTF-8 in order to process source
    # files in UTF-8.
    @when("@59:")
    def setup_build_environment(self, env):
        env.set("LC_ALL", "en_US.UTF-8")

    def configure_args(self):
        args = []

        if "python" in self.spec:
            # Make sure configure uses Spack's python package
            # Without this, configure could pick a broken global installation
            args.append("PYTHON={0}".format(self.spec["python"].command))

        # The --enable-rpath option is only needed on MacOS, and it
        # breaks the build for xerces-c on Linux.
        if "platform=darwin" in self.spec:
            args.append("--enable-rpath")

        return args