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# Copyright 2013-2023 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)
import re
import sys
from spack.package import *
class Bzip2(Package, SourcewarePackage):
"""bzip2 is a freely available, patent free high-quality data
compressor. It typically compresses files to within 10% to 15%
of the best available techniques (the PPM family of statistical
compressors), whilst being around twice as fast at compression
and six times faster at decompression."""
homepage = "https://sourceware.org/bzip2/"
sourceware_mirror_path = "bzip2/bzip2-1.0.8.tar.gz"
executables = [r"^bzip2$"]
tags = ["windows"]
license("bzip2-1.0.6")
version("1.0.8", sha256="ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269")
version("1.0.7", sha256="e768a87c5b1a79511499beb41500bcc4caf203726fff46a6f5f9ad27fe08ab2b")
version("1.0.6", sha256="a2848f34fcd5d6cf47def00461fcb528a0484d8edef8208d6d2e2909dc61d9cd")
variant(
"shared",
default=(sys.platform != "win32"),
description="Enables the build of shared libraries.",
)
variant("pic", default=False, description="Build static libraries with PIC")
variant("debug", default=False, description="Enable debug symbols and disable optimization")
# makefile.msc doesn't provide a shared recipe
conflicts(
"+shared",
when="platform=windows",
msg="Windows makefile has no recipe for shared builds, use ~shared.",
)
if sys.platform != "win32":
depends_on("diffutils", type="build")
depends_on("gmake", type="build", when="platform=linux")
depends_on("gmake", type="build", when="platform=cray")
depends_on("gmake", type="build", when="platform=darwin")
@classmethod
def determine_version(cls, exe):
output = Executable(exe)("--help", output=str, error=str)
match = re.search(r"bzip2, a block-sorting file compressor." " Version ([^,]+)", output)
return match.group(1) if match else None
# override default implementation
@property
def libs(self):
shared = "+shared" in self.spec
return find_libraries("libbz2", root=self.prefix, shared=shared, recursive=True)
def flag_handler(self, name, flags):
if name == "cflags":
if "+pic" in self.spec:
flags.append(self.compiler.cc_pic_flag)
if "+debug" in self.spec:
flags.append("-g")
return (flags, None, None)
def patch(self):
if self.spec.satisfies("+debug"):
for makefile in ["Makefile", "Makefile-libbz2_so", "makefile.msc"]:
filter_file(r"-O ", "-O0 ", makefile)
filter_file(r"-O2 ", "-O0 ", makefile)
filter_file(r"-Ox ", "-O0 ", makefile)
# bzip2 comes with two separate Makefiles for static and dynamic builds
# Tell both to use Spack's compiler wrapper instead of GCC
filter_file(r"^CC=gcc", "CC={0}".format(spack_cc), "Makefile")
filter_file(r"^CC=gcc", "CC={0}".format(spack_cc), "Makefile-libbz2_so")
# The Makefiles use GCC flags that are incompatible with PGI
if self.spec.satisfies("%pgi") or self.spec.satisfies("%nvhpc@:20.11"):
filter_file("-Wall -Winline", "-Minform=inform", "Makefile")
filter_file("-Wall -Winline", "-Minform=inform", "Makefile-libbz2_so")
# Patch the link line to use RPATHs on macOS
if "darwin" in self.spec.architecture:
v = self.spec.version
v1, v2, v3 = (v.up_to(i) for i in (1, 2, 3))
kwargs = {"ignore_absent": False, "backup": False, "string": True}
mf = FileFilter("Makefile-libbz2_so")
mf.filter(
"$(CC) -shared -Wl,-soname -Wl,libbz2.so.{0} -o libbz2.so.{1} $(OBJS)".format(
v2, v3
),
(
"$(CC) -dynamiclib -Wl,-install_name -Wl,@rpath/libbz2.{0}.dylib "
"-current_version {1} -compatibility_version {2} -o libbz2.{3}.dylib $(OBJS)"
).format(v1, v2, v3, v3),
**kwargs,
)
mf.filter(
"$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.so.{0}".format(v3),
"$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.{0}.dylib".format(v3),
**kwargs,
)
mf.filter(
"rm -f libbz2.so.{0}".format(v2), "rm -f libbz2.{0}.dylib".format(v2), **kwargs
)
mf.filter(
"ln -s libbz2.so.{0} libbz2.so.{1}".format(v3, v2),
"ln -s libbz2.{0}.dylib libbz2.{1}.dylib".format(v3, v2),
**kwargs,
)
def install(self, spec, prefix):
# Build the dynamic library first
if "+shared" in spec:
make("-f", "Makefile-libbz2_so")
# Build the static library and everything else
if self.spec.satisfies("platform=windows"):
# Build step
nmake = Executable("nmake.exe")
nmake("-f", "makefile.msc")
# Install step
mkdirp(self.prefix.include)
mkdirp(self.prefix.lib)
mkdirp(self.prefix.bin)
mkdirp(self.prefix.man)
mkdirp(self.prefix.man.man1)
install("*.h", self.prefix.include)
install("*.lib", self.prefix.lib)
install("*.exe", self.prefix.bin)
install("*.1", self.prefix.man.man1)
else:
make()
make("install", "PREFIX={0}".format(prefix))
if "+shared" in spec:
install("bzip2-shared", join_path(prefix.bin, "bzip2"))
v1, v2, v3 = (self.spec.version.up_to(i) for i in (1, 2, 3))
if "darwin" in self.spec.architecture:
lib = "libbz2.dylib"
lib1, lib2, lib3 = ("libbz2.{0}.dylib".format(v) for v in (v1, v2, v3))
else:
lib = "libbz2.so"
lib1, lib2, lib3 = ("libbz2.so.{0}".format(v) for v in (v1, v2, v3))
install(lib3, join_path(prefix.lib, lib3))
with working_dir(prefix.lib):
for libname in (lib, lib1, lib2):
symlink(lib3, libname)
# These files won't be in a Windows installation
if not self.spec.satisfies("platform=windows"):
with working_dir(prefix.bin):
force_remove("bunzip2", "bzcat")
symlink("bzip2", "bunzip2")
symlink("bzip2", "bzcat")
@run_after("install")
def install_pkgconfig(self):
# Add pkgconfig file after installation
libdir = self.spec["bzip2"].libs.directories[0]
pkg_path = join_path(self.prefix.lib, "pkgconfig")
mkdirp(pkg_path)
with open(join_path(pkg_path, "bzip2.pc"), "w") as f:
f.write("prefix={0}\n".format(self.prefix))
f.write("exec_prefix=${prefix}/bin\n")
f.write("libdir={0}\n".format(libdir))
f.write("includedir={0}\n".format(self.prefix.include))
f.write("\n")
f.write("Name: bzip2\n")
f.write("Description: a file compression library\n")
f.write("Version: {0}\n".format(self.spec.version))
f.write("Libs: -L${libdir} -lbz2\n")
f.write("Cflags: -I${includedir}\n")
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