131 lines
5.2 KiB
Python
131 lines
5.2 KiB
Python
# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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import re
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from spack.package import *
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class Bzip2(Package, SourcewarePackage):
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"""bzip2 is a freely available, patent free high-quality data
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compressor. It typically compresses files to within 10% to 15%
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of the best available techniques (the PPM family of statistical
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compressors), whilst being around twice as fast at compression
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and six times faster at decompression."""
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homepage = "https://sourceware.org/bzip2/"
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sourceware_mirror_path = "bzip2/bzip2-1.0.8.tar.gz"
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executables = [r"^bzip2$"]
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version("1.0.8", sha256="ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269")
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version("1.0.7", sha256="e768a87c5b1a79511499beb41500bcc4caf203726fff46a6f5f9ad27fe08ab2b")
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version("1.0.6", sha256="a2848f34fcd5d6cf47def00461fcb528a0484d8edef8208d6d2e2909dc61d9cd")
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variant("shared", default=True, description="Enables the build of shared libraries.")
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variant("pic", default=False, description="Build static libraries with PIC")
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variant("debug", default=False, description="Enable debug symbols and disable optimization")
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depends_on("diffutils", type="build")
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@classmethod
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def determine_version(cls, exe):
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output = Executable(exe)("--help", output=str, error=str)
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match = re.search(r"bzip2, a block-sorting file compressor." " Version ([^,]+)", output)
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return match.group(1) if match else None
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# override default implementation
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@property
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def libs(self):
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shared = "+shared" in self.spec
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return find_libraries("libbz2", root=self.prefix, shared=shared, recursive=True)
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def flag_handler(self, name, flags):
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if name == "cflags":
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if "+pic" in self.spec:
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flags.append(self.compiler.cc_pic_flag)
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if "+debug" in self.spec:
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flags.append("-g")
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return (flags, None, None)
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def patch(self):
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if self.spec.satisfies("+debug"):
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for makefile in ["Makefile", "Makefile-libbz2_so"]:
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filter_file(r"-O ", "-O0 ", makefile)
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filter_file(r"-O2 ", "-O0 ", makefile)
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# bzip2 comes with two separate Makefiles for static and dynamic builds
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# Tell both to use Spack's compiler wrapper instead of GCC
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filter_file(r"^CC=gcc", "CC={0}".format(spack_cc), "Makefile")
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filter_file(r"^CC=gcc", "CC={0}".format(spack_cc), "Makefile-libbz2_so")
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# The Makefiles use GCC flags that are incompatible with PGI
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if self.spec.satisfies("%pgi") or self.spec.satisfies("%nvhpc@:20.11"):
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filter_file("-Wall -Winline", "-Minform=inform", "Makefile")
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filter_file("-Wall -Winline", "-Minform=inform", "Makefile-libbz2_so")
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# Patch the link line to use RPATHs on macOS
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if "darwin" in self.spec.architecture:
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v = self.spec.version
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v1, v2, v3 = (v.up_to(i) for i in (1, 2, 3))
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kwargs = {"ignore_absent": False, "backup": False, "string": True}
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mf = FileFilter("Makefile-libbz2_so")
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mf.filter(
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"$(CC) -shared -Wl,-soname -Wl,libbz2.so.{0} -o libbz2.so.{1} $(OBJS)".format(
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v2, v3
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),
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(
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"$(CC) -dynamiclib -Wl,-install_name -Wl,@rpath/libbz2.{0}.dylib "
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"-current_version {1} -compatibility_version {2} -o libbz2.{3}.dylib $(OBJS)"
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).format(v1, v2, v3, v3),
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**kwargs
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)
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mf.filter(
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"$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.so.{0}".format(v3),
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"$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.{0}.dylib".format(v3),
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**kwargs
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)
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mf.filter(
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"rm -f libbz2.so.{0}".format(v2), "rm -f libbz2.{0}.dylib".format(v2), **kwargs
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)
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mf.filter(
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"ln -s libbz2.so.{0} libbz2.so.{1}".format(v3, v2),
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"ln -s libbz2.{0}.dylib libbz2.{1}.dylib".format(v3, v2),
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**kwargs
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)
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def install(self, spec, prefix):
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# Build the dynamic library first
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if "+shared" in spec:
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make("-f", "Makefile-libbz2_so")
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# Build the static library and everything else
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make()
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make("install", "PREFIX={0}".format(prefix))
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if "+shared" in spec:
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install("bzip2-shared", join_path(prefix.bin, "bzip2"))
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v1, v2, v3 = (self.spec.version.up_to(i) for i in (1, 2, 3))
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if "darwin" in self.spec.architecture:
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lib = "libbz2.dylib"
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lib1, lib2, lib3 = ("libbz2.{0}.dylib".format(v) for v in (v1, v2, v3))
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else:
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lib = "libbz2.so"
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lib1, lib2, lib3 = ("libbz2.so.{0}".format(v) for v in (v1, v2, v3))
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install(lib3, join_path(prefix.lib, lib3))
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with working_dir(prefix.lib):
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for libname in (lib, lib1, lib2):
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symlink(lib3, libname)
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with working_dir(prefix.bin):
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force_remove("bunzip2", "bzcat")
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symlink("bzip2", "bunzip2")
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symlink("bzip2", "bzcat")
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