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# Copyright 2013-2022 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)
# Although zlib comes with a configure script, it does not use Autotools
# The AutotoolsPackage causes zlib to fail to build with PGI
class Zlib(CMakePackage):
"""A free, general-purpose, legally unencumbered lossless
data-compression library.
"""
homepage = "https://zlib.net"
# URL must remain http:// so Spack can bootstrap curl
url = "https://zlib.net/fossils/zlib-1.2.11.tar.gz"
version('1.2.11', sha256='c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1')
# Due to the bug fixes, any installations of 1.2.9 or 1.2.10 should be
# immediately replaced with 1.2.11.
version('1.2.8', sha256='36658cb768a54c1d4dec43c3116c27ed893e88b02ecfcb44f2166f9c0b7f2a0d')
version('1.2.3', sha256='1795c7d067a43174113fdf03447532f373e1c6c57c08d61d9e4e9be5e244b05e')
variant('pic', default=True,
description='Produce position-independent code (for shared libs)')
variant('shared', default=True,
description='Enables the build of shared libraries.')
variant('optimize', default=True,
description='Enable -O2 for a more optimized lib')
patch('w_patch.patch', when="@1.2.11%cce")
@property
def libs(self):
shared = '+shared' in self.spec
return find_libraries(
['libz'], root=self.prefix, recursive=True, shared=shared
)
def cmake_args(self):
args = ['-DBUILD_SHARED_LIBS:BOOL=' +
('ON' if self._building_shared else 'OFF')]
return args
@property
def build_directory(self):
return join_path(self.stage.source_path,
'spack-build-shared' if self._building_shared
else 'spack-build-static')
def setup_build_environment(self, env):
if '+pic' in self.spec:
env.append_flags('CFLAGS', self.compiler.cc_pic_flag)
if '+optimize' in self.spec:
env.append_flags('CFLAGS', '-O2')
# Build, install, and check both static and shared versions of the
# libraries when +shared
@when('+shared platform=windows')
def cmake(self, spec, prefix):
for self._building_shared in (False, True):
super(Zlib, self).cmake(spec, prefix)
@when('+shared platform=windows')
def build(self, spec, prefix):
for self._building_shared in (False, True):
super(Zlib, self).build(spec, prefix)
@when('+shared platform=windows')
def check(self):
for self._building_shared in (False, True):
super(Zlib, self).check()
def install(self, spec, prefix):
if 'platform=windows' in self.spec and '+shared' in self.spec:
for self._building_shared in (False, True):
super(Zlib, self).install(spec, prefix)
else:
config_args = []
if '~shared' in spec:
config_args.append('--static')
configure('--prefix={0}'.format(prefix), *config_args)
make()
if self.run_tests:
make('check')
make('install')
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