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from spack import *
class Bzip2(Package):
"""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 = "http://www.bzip.org"
url = "http://www.bzip.org/1.0.6/bzip2-1.0.6.tar.gz"
version('1.0.6', '00b516f4704d4a7cb50a1d97e6e8e15b')
def patch(self):
mf = FileFilter('Makefile-libbz2_so')
mf.filter(r'^CC=gcc', 'CC=cc')
# Below stuff patches the link line to use RPATHs on Mac OS X.
if 'darwin' in self.spec.architecture:
v = self.spec.version
v1, v2, v3 = (v.up_to(i) for i in (1,2,3))
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 $(OBJS)'.format(v1, v2, v3, v3), string=True)
mf.filter('$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.so.{0}'.format(v3),
'$(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.{0}.dylib'.format(v3), string=True)
mf.filter('rm -f libbz2.so.{0}'.format(v2),
'rm -f libbz2.{0}.dylib'.format(v2), string=True)
mf.filter('ln -s libbz2.so.{0} libbz2.so.{1}'.format(v3, v2),
'ln -s libbz2.{0}.dylib libbz2.{1}.dylib'.format(v3, v2), string=True)
def install(self, spec, prefix):
make('-f', 'Makefile-libbz2_so')
make('clean')
make("install", "PREFIX=%s" % prefix)
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 l in (lib, lib1, lib2):
symlink(lib3, l)
with working_dir(prefix.bin):
force_remove('bunzip2', 'bzcat')
symlink('bzip2', 'bunzip2')
symlink('bzip2', 'bzcat')
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