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# Copyright 2013-2021 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 import *
import sys
class Pixman(AutotoolsPackage):
"""The Pixman package contains a library that provides low-level
pixel manipulation features such as image compositing and
trapezoid rasterization."""
homepage = "http://www.pixman.org"
url = "http://cairographics.org/releases/pixman-0.32.6.tar.gz"
version('0.40.0', sha256='6d200dec3740d9ec4ec8d1180e25779c00bc749f94278c8b9021f5534db223fc')
version('0.38.4', sha256='da66d6fd6e40aee70f7bd02e4f8f76fc3f006ec879d346bae6a723025cfbdde7')
version('0.38.0', sha256='a7592bef0156d7c27545487a52245669b00cf7e70054505381cff2136d890ca8')
version('0.34.0', sha256='21b6b249b51c6800dc9553b65106e1e37d0e25df942c90531d4c3997aa20a88e')
version('0.32.6', sha256='3dfed13b8060eadabf0a4945c7045b7793cc7e3e910e748a8bb0f0dc3e794904')
depends_on('pkgconfig', type='build')
depends_on('libpng')
# As discussed here:
# https://bugs.freedesktop.org/show_bug.cgi?id=104886
# __builtin_shuffle was removed in clang 5.0.
# From version 9.1 apple-clang is based on clang 5.0.
# Patch is obtained from above link.
patch('clang.patch', when='@0.34%apple-clang@9.1.0:')
patch('clang.patch', when='@0.34%clang@5.0.0:')
@run_before('build')
def patch_config_h_for_intel(self):
config_h = join_path(self.stage.source_path, 'config.h')
# Intel disguises itself as GNU, but doesn't implement
# the same builtin functions. This causes in this case
# a positive detection of GCC vector extensions, which
# is bound to fail at compile time because Intel has no
# __builtin_shuffle. See also:
#
# https://software.intel.com/en-us/forums/intel-c-compiler/topic/758013
#
if '%intel' in self.spec:
filter_file(
r'#define HAVE_GCC_VECTOR_EXTENSIONS /\*\*/',
'/* #undef HAVE_GCC_VECTOR_EXTENSIONS */',
config_h
)
def configure_args(self):
args = [
'--enable-libpng',
'--disable-gtk',
]
if sys.platform == 'darwin':
args.append('--disable-mmx')
return args
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