1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
# Copyright 2013-2020 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 os
class Flang(CMakePackage, CudaPackage):
"""Flang is a Fortran compiler targeting LLVM."""
homepage = "https://github.com/flang-compiler/flang"
url = "https://github.com/flang-compiler/flang/archive/flang_20190329.tar.gz"
git = "https://github.com/flang-compiler/flang.git"
maintainers = ['naromero77']
version('master', branch='master')
version('20190329', sha256='b8c621da53829f8c53bad73125556fb1839c9056d713433b05741f7e445199f2')
version('20181226', sha256='00e716bea258c3bb60d6a5bb0c82bc79f67000062dc89939693e75f501883c36')
version('20180921', sha256='f33bd1f054e474f1e8a204bb6f78d42f8f6ecf7a894fdddc3999f7c272350784')
version('20180612', sha256='6af858bea013548e091371a97726ac784edbd4ff876222575eaae48a3c2920ed')
# Patched only relevant for March 2019 release with OpenMP Offload support
patch('https://github.com/flang-compiler/flang/commit/b342225a64692d2b9c3aff7658a8e4f94a8923eb.diff',
sha256='3bd2c7453131eaaf11328785a3031fa2298bdd0c02cfd5e2b478e6e847d5da43',
when='@20190329 +cuda')
# Build dependency
depends_on('cmake@3.8:', type='build')
depends_on('python@2.7:', type='build')
depends_on('llvm-flang@release_70', when='@master')
depends_on('llvm-flang@20190329', when='@20190329')
depends_on('llvm-flang@20181226_70', when='@20181226')
depends_on('llvm-flang@20180921', when='@20180921')
depends_on('llvm-flang@20180612', when='@20180612')
depends_on('pgmath@master', when='@master')
depends_on('pgmath@20190329', when='@20190329')
depends_on('pgmath@20181226', when='@20181226')
depends_on('pgmath@20180921', when='@20180921')
depends_on('pgmath@20180612', when='@20180612')
depends_on('llvm-flang +cuda', when='+cuda')
# conflicts
conflicts('+cuda', when='@:20181226',
msg='OpenMP offload to NVidia GPUs available 20190329 or later')
# Spurious problems running in parallel the Makefile
# generated by the configure
parallel = False
def cmake_args(self):
spec = self.spec
options = [
'-DWITH_WERROR=OFF',
'-DCMAKE_C_COMPILER=%s' % os.path.join(
spec['llvm-flang'].prefix.bin, 'clang'),
'-DCMAKE_CXX_COMPILER=%s' % os.path.join(
spec['llvm-flang'].prefix.bin, 'clang++'),
'-DCMAKE_Fortran_COMPILER=%s' % os.path.join(
spec['llvm-flang'].prefix.bin, 'flang'),
'-DFLANG_LIBOMP=%s' % find_libraries(
'libomp', root=spec['llvm-flang'].prefix.lib),
'-DPYTHON_EXECUTABLE={0}'.format(
spec['python'].command.path)
]
# Make sure llvm-flang can find GCC's libstdc++
if self.compiler.name == "gcc":
gcc_prefix = ancestor(self.compiler.cc, 2)
options.append('-DGCC_INSTALL_PREFIX=' + gcc_prefix)
if '+cuda' in spec:
options.append('-DFLANG_OPENMP_GPU_NVIDIA=ON')
else:
options.append('-DFLANG_OPENMP_GPU_NVIDIA=OFF')
return options
@run_after('install')
def post_install(self):
# we are installing flang in a path different from llvm, so we
# create a wrapper with -L for e.g. libflangrti.so and -I for
# e.g. iso_c_binding.mod. -B is needed to help flang to find
# flang1 and flang2. rpath_arg is needed so that executables
# generated by flang can find libflang later.
flang = os.path.join(self.spec.prefix.bin, 'flang')
with open(flang, 'w') as out:
out.write('#!/bin/bash\n')
out.write(
'{0} -I{1} -L{2} -L{3} {4}{5} {6}{7} -B{8} "$@"\n'.format(
self.spec['llvm-flang'].prefix.bin.flang,
self.prefix.include, self.prefix.lib,
self.spec['pgmath'].prefix.lib,
self.compiler.fc_rpath_arg, self.prefix.lib,
self.compiler.fc_rpath_arg,
self.spec['pgmath'].prefix.lib, self.spec.prefix.bin))
out.close()
chmod = which('chmod')
chmod('+x', flang)
def setup_build_environment(self, env):
# to find llvm's libc++.so
env.set('LD_LIBRARY_PATH', self.spec['llvm-flang'].prefix.lib)
def setup_run_environment(self, env):
env.set('FC', self.spec.prefix.bin.flang)
env.set('F77', self.spec.prefix.bin.flang)
env.set('F90', self.spec.prefix.bin.flang)
|