zfp: several package improvements (#21244)

- add variants for build targets, language bindings, backends
- ensure selected variants are compatible with zfp version
- point to GitHub (not LLNL) tar balls
- add dependencies
- update link to homepage
- add maintainers

Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>

var/spack/repos/builtin/packages/zfp/package.py

@@ -6,28 +6,48 @@
 from spack import *
 
 
-class Zfp(CMakePackage):
+class Zfp(CMakePackage, CudaPackage):
-    """zfp is an open source C/C++ library for high-fidelity, high-throughput
+    """zfp is a compressed number format for multidimensional floating-point
-       lossy compression of floating-point and integer multi-dimensional
+       and integer arrays.
+
+       zfp provides compressed-array classes that support high throughput
+       read and write random access to individual array elements. zfp also
+       supports serial and parallel (OpenMP and CUDA) compression of whole
        arrays.
     """
 
-    homepage = 'http://computing.llnl.gov/projects/floating-point-compression'
+    # Package info
-    url      = 'http://computing.llnl.gov/projects/floating-point-compression/download/zfp-0.5.2.tar.gz'
+    homepage    = 'https://zfp.llnl.gov'
-    git = "https://github.com/LLNL/zfp.git"
+    url         = 'https://github.com/LLNL/zfp/releases/download/0.5.5/zfp-0.5.5.tar.gz'
+    git         = 'https://github.com/LLNL/zfp.git'
+    maintainers = ['lindstro', 'GarrettDMorrison']
 
+    # Versions
     version('develop', branch='develop')
     version('0.5.5', sha256='fdf7b948bab1f4e5dccfe2c2048fd98c24e417ad8fb8a51ed3463d04147393c5')
-    version('0.5.4', sha256='768a05ed9bf10e54ac306f90b81dd17b0e7b13782f01823d7da4394fd2da8adb')
+    version('0.5.4', sha256='746e17aaa401c67dcffd273d6e6f95c76adfbbd5cf523dcad56d09e9d3b71196')
-    version('0.5.2', sha256='89e718edb966422b5898b5c37b1b0a781d4effacb511520558469e3ff7f65d7c')
+    version('0.5.3', sha256='a5d2f8e5b47a7c92e2a5775b82cbfb3a76c87d0ac83d25abb4ac10ea75a2856e')
-    version('0.5.1', sha256='867c04cf965f1c70d9725b396c6e1b5d29db55b0d69b8e87a995aaebd221b830')
+    version('0.5.2', sha256='9c738ec525cc76b4bb80b2b3f7c9f07507eeda3a341470e5942cda97efbe9a4f', url='https://github.com/LLNL/zfp/archive/0.5.2/zfp-0.5.2.tar.gz')
+    version('0.5.1', sha256='f255dd1708c9ae4dc6a56dd2614e8b47a10d833c87fd349cbd47545a19c2b779', url='https://github.com/LLNL/zfp/archive/0.5.1/zfp-0.5.1.tar.gz')
 
-    variant('bsws',
+    # Build targets
-            default='64',
+    # TODO: variant('utilities', default=True,  description='Build utilities')
-            values=('8', '16', '32', '64'),
+    variant('shared',    default=True,  description='Build shared libraries')
-            multi=False,
+
-            description='Bit stream word size: use smaller for finer '
+    # Language bindings
-            'rate granularity. Use 8 for H5Z-ZFP filter.')
+    variant('c',       default=False, description='Enable C bindings')
+    variant('python',  default=False, description='Enable Python bindings')
+    variant('fortran', default=False, description='Enable Fortran bindings')
+
+    # Execution policies
+    variant('openmp', default=False, description='Enable OpenMP execution')
+    variant('cuda',   default=False, description='Enable CUDA execution')
+
+    # Advanced options
+    variant('bsws', default='64', values=('8', '16', '32', '64'), multi=False,
+            description='Bit stream word size: '
+            'use smaller for finer rate granularity. '
+            'Use 8 for H5Z-ZFP filter.')
     variant('strided', default=False,
             description='Enable strided access for progressive zfp streams')
     variant('aligned', default=False,
@@ -38,32 +58,47 @@ class Zfp(CMakePackage):
             description='Use a faster but more collision prone hash function')
     variant('profile', default=False,
             description='Count cache misses')
-    variant('shared', default=True,
-            description='Build shared versions of the library')
 
+    # Conflicts
+    conflicts('+c',        when='@:0.5.3',
+              msg='+c requires zfp 0.5.4 or later')
+    conflicts('+python',   when='@:0.5.4',
+              msg='+python requires zfp 0.5.5 or later')
+    conflicts('+fortran',  when='@:0.5.4',
+              msg='+fortran requires zfp 0.5.5 or later')
+    conflicts('+openmp',   when='@:0.5.2',
+              msg='+openmp requires zfp 0.5.3 or later')
+    conflicts('+cuda',     when='@:0.5.3',
+              msg='+cuda requires zfp 0.5.4 or later')
+    conflicts('+fasthash', when='@:0.5.1',
+              msg='+fasthash requires zfp 0.5.2 or later')
+    conflicts('+profile',  when='@:0.5.1',
+              msg='+profile requires zfp 0.5.2 or later')
+
+    # Dependencies
     depends_on('cmake@3.4.0:', type='build')
+    depends_on('cuda@7:',      type=('build', 'test', 'run'), when='+cuda')
+    depends_on('py-numpy',     type=('build', 'test', 'run'), when='+python')
+    depends_on('py-cython',    type='build',                  when='+python')
 
     def cmake_args(self):
         spec = self.spec
 
+        # CMake options
         args = [
-            '-DZFP_BIT_STREAM_WORD_SIZE:STRING={0}'.format(
+            # TODO: self.define_from_variant('BUILD_UTILITIES', 'utilities'),
-                spec.variants['bsws'].value),
+            self.define('BUILD_TESTING', self.run_tests),
-            '-DZFP_WITH_BIT_STREAM_STRIDED:BOOL={0}'.format(
+            self.define_from_variant('BUILD_SHARED_LIBS', 'shared'),
-                'ON' if '+strided' in spec else 'OFF'),
+            self.define_from_variant('BUILD_CFP', 'c'),
-            '-DZFP_WITH_ALIGNED_ALLOC:BOOL={0}'.format(
+            self.define_from_variant('BUILD_ZFPY', 'python'),
-                'ON' if '+aligned' in spec else 'OFF'),
+            self.define_from_variant('BUILD_ZFORP', 'fortran'),
-            '-DZFP_WITH_CACHE_TWOWAY:BOOL={0}'.format(
+            self.define('ZFP_BIT_STREAM_WORD_SIZE',
-                'ON' if '+twoway' in spec else 'OFF'),
+                        spec.variants['bsws'].value),
-            '-DBUILD_SHARED_LIBS:BOOL={0}'.format(
+            self.define_from_variant('ZFP_WITH_BIT_STREAM_STRIDED', 'strided'),
-                'ON' if '+shared' in spec else 'OFF'),
+            self.define_from_variant('ZFP_WITH_ALIGNED_ALLOC', 'aligned'),
-            '-DBUILD_TESTING:BOOL={0}'.format(
+            self.define_from_variant('ZFP_WITH_CACHE_TWOWAY', 'twoway'),
-                'ON' if self.run_tests else 'OFF')
+            self.define_from_variant('ZFP_WITH_CACHE_FAST_HASH', 'fasthash'),
+            self.define_from_variant('ZFP_WITH_CACHE_PROFILE', 'profile')
         ]
-        if spec.version >= Version('0.5.2'):
-            args.append('-DZFP_WITH_CACHE_FAST_HASH:BOOL={0}'.format(
-                'ON' if '+fasthash' in spec else 'OFF'))
-            args.append('-DZFP_WITH_CACHE_PROFILE:BOOL={0}'.format(
-                'ON' if '+profile' in spec else 'OFF'))
 
         return args