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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
#!/usr/bin/python
def c_compiler_rule(b, name, description, compiler, flags):
command = "%s -MMD -MF $out.d %s -c -o $out $in" % (compiler, flags)
b.rule(name, command, description + " $out", depfile="$out.d")
from optparse import OptionParser
import os
from subprocess import *
import sys
srcdir = os.path.dirname(sys.argv[0])
sys.path.insert(0, os.path.join(srcdir, 'build'))
import metabuild
p = OptionParser()
p.add_option('--with-llvm-config', metavar='PATH',
help='use given llvm-config script')
p.add_option('-g', metavar='GENERATOR', default='make',
help='use given generator (default: make)')
(options, args) = p.parse_args()
llvm_config_exe = options.with_llvm_config or "llvm-config"
def llvm_config(args):
try:
proc = Popen([llvm_config_exe] + args, stdout=PIPE)
return proc.communicate()[0].rstrip().replace('\n', ' ')
except OSError:
print "Error executing llvm-config."
print "Please ensure that llvm-config is in your $PATH, or use --with-llvm-config."
sys.exit(1)
llvm_bindir = llvm_config(['--bindir'])
llvm_core_libs = llvm_config(['--ldflags', '--libs', 'core', 'bitreader', 'bitwriter'])
llvm_cxxflags = llvm_config(['--cxxflags']) + ' -fno-exceptions -fno-rtti'
llvm_clang = os.path.join(llvm_bindir, 'clang')
llvm_link = os.path.join(llvm_bindir, 'llvm-link')
llvm_opt = os.path.join(llvm_bindir, 'opt')
default_targets = ['nvptx--nvidiacl', 'nvptx64--nvidiacl']
targets = args
if not targets:
targets = default_targets
b = metabuild.from_name(options.g)
b.rule("LLVM_AS", "%s -o $out $in" % os.path.join(llvm_bindir, "llvm-as"),
'LLVM-AS $out')
b.rule("LLVM_LINK", command = llvm_link + " -o $out $in",
description = 'LLVM-LINK $out')
b.rule("OPT", command = llvm_opt + " -O3 -o $out $in",
description = 'OPT $out')
c_compiler_rule(b, "LLVM_TOOL_CXX", 'CXX', 'c++', llvm_cxxflags)
b.rule("LLVM_TOOL_LINK", "c++ -o $out $in %s" % llvm_core_libs, 'LINK $out')
prepare_builtins = os.path.join('utils', 'prepare-builtins')
b.build(os.path.join('utils', 'prepare-builtins.o'), "LLVM_TOOL_CXX",
os.path.join(srcdir, 'utils', 'prepare-builtins.cpp'))
b.build(prepare_builtins, "LLVM_TOOL_LINK",
os.path.join('utils', 'prepare-builtins.o'))
b.rule("PREPARE_BUILTINS", "%s -o $out $in" % prepare_builtins,
'PREPARE-BUILTINS $out')
manifest_deps = set([sys.argv[0], os.path.join(srcdir, 'build', 'metabuild.py'),
os.path.join(srcdir, 'build', 'ninja_syntax.py')])
for target in targets:
(t_arch, t_vendor, t_os) = target.split('-')
archs = [t_arch]
if t_arch == 'nvptx' or t_arch == 'nvptx64':
archs.append('ptx')
archs.append('generic')
subdirs = []
for arch in archs:
subdirs.append("%s-%s-%s" % (arch, t_vendor, t_os))
subdirs.append("%s-%s" % (arch, t_os))
subdirs.append(arch)
subdirs = [subdir for subdir in subdirs
if os.path.isdir(os.path.join(srcdir, subdir, 'include')) or
os.path.isfile(os.path.join(srcdir, subdir, 'lib', 'SOURCES'))]
clang_cl_includes = ' '.join(["-I%s" % os.path.join(srcdir, subdir, 'include')
for subdir in subdirs])
# The rule for building a .bc file for the specified architecture using clang.
clang_bc_flags = "-ccc-host-triple %s -I`dirname $in` %s " \
"-Dcl_clang_storage_class_specifiers " \
"-Dcl_khr_fp64 " \
"-emit-llvm" % (target, clang_cl_includes)
clang_bc_rule = "CLANG_CL_BC_" + target
c_compiler_rule(b, clang_bc_rule, "LLVM-CC", llvm_clang, clang_bc_flags)
objects = []
sources_seen = set()
for subdir in subdirs:
src_libdir = os.path.join(srcdir, subdir, 'lib')
if not os.path.isdir(src_libdir):
continue
subdir_list_file = os.path.join(src_libdir, 'SOURCES')
manifest_deps.add(subdir_list_file)
for src in open(subdir_list_file).readlines():
src = src.rstrip()
if src not in sources_seen:
sources_seen.add(src)
obj = os.path.join(target, 'lib', src + '.bc')
objects.append(obj)
src_file = os.path.join(src_libdir, src)
ext = os.path.splitext(src)[1]
if ext == '.ll':
b.build(obj, 'LLVM_AS', src_file)
else:
b.build(obj, clang_bc_rule, src_file)
builtins_link_bc = os.path.join(target, 'lib', 'builtins.link.bc')
builtins_opt_bc = os.path.join(target, 'lib', 'builtins.opt.bc')
builtins_bc = os.path.join(target, 'lib', 'builtins.bc')
b.build(builtins_link_bc, "LLVM_LINK", objects)
b.build(builtins_opt_bc, "OPT", builtins_link_bc)
b.build(builtins_bc, "PREPARE_BUILTINS", builtins_opt_bc, prepare_builtins)
b.rule("configure", command = ' '.join(sys.argv), description = 'CONFIGURE',
generator = True)
b.build(b.output_filename(), 'configure', list(manifest_deps))
b.finish()
|
