forked from OSchip/llvm-project
134 lines
4.7 KiB
Python
Executable File
134 lines
4.7 KiB
Python
Executable File
#!/usr/bin/python
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def c_compiler_rule(b, name, description, compiler, flags):
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command = "%s -MMD -MF $out.d %s -c -o $out $in" % (compiler, flags)
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b.rule(name, command, description + " $out", depfile="$out.d")
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from optparse import OptionParser
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import os
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from subprocess import *
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import sys
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srcdir = os.path.dirname(sys.argv[0])
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sys.path.insert(0, os.path.join(srcdir, 'build'))
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import metabuild
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p = OptionParser()
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p.add_option('--with-llvm-config', metavar='PATH',
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help='use given llvm-config script')
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p.add_option('-g', metavar='GENERATOR', default='make',
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help='use given generator (default: make)')
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(options, args) = p.parse_args()
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llvm_config_exe = options.with_llvm_config or "llvm-config"
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def llvm_config(args):
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try:
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proc = Popen([llvm_config_exe] + args, stdout=PIPE)
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return proc.communicate()[0].rstrip().replace('\n', ' ')
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except OSError:
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print "Error executing llvm-config."
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print "Please ensure that llvm-config is in your $PATH, or use --with-llvm-config."
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sys.exit(1)
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llvm_bindir = llvm_config(['--bindir'])
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llvm_core_libs = llvm_config(['--ldflags', '--libs', 'core', 'bitreader', 'bitwriter'])
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llvm_cxxflags = llvm_config(['--cxxflags']) + ' -fno-exceptions -fno-rtti'
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llvm_clang = os.path.join(llvm_bindir, 'clang')
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llvm_link = os.path.join(llvm_bindir, 'llvm-link')
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llvm_opt = os.path.join(llvm_bindir, 'opt')
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default_targets = ['ptx32--nvidiacl', 'ptx64--nvidiacl']
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targets = args
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if not targets:
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targets = default_targets
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b = metabuild.from_name(options.g)
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b.rule("LLVM_AS", "%s -o $out $in" % os.path.join(llvm_bindir, "llvm-as"),
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'LLVM-AS $out')
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b.rule("LLVM_LINK", command = llvm_link + " -o $out $in",
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description = 'LLVM-LINK $out')
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b.rule("OPT", command = llvm_opt + " -O3 -o $out $in",
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description = 'OPT $out')
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c_compiler_rule(b, "LLVM_TOOL_CXX", 'CXX', 'c++', llvm_cxxflags)
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b.rule("LLVM_TOOL_LINK", "c++ -o $out $in %s" % llvm_core_libs, 'LINK $out')
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prepare_builtins = os.path.join('utils', 'prepare-builtins')
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b.build(os.path.join('utils', 'prepare-builtins.o'), "LLVM_TOOL_CXX",
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os.path.join(srcdir, 'utils', 'prepare-builtins.cpp'))
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b.build(prepare_builtins, "LLVM_TOOL_LINK",
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os.path.join('utils', 'prepare-builtins.o'))
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b.rule("PREPARE_BUILTINS", "%s -o $out $in" % prepare_builtins,
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'PREPARE-BUILTINS $out')
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manifest_deps = set([sys.argv[0], os.path.join(srcdir, 'build', 'metabuild.py'),
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os.path.join(srcdir, 'build', 'ninja_syntax.py')])
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for target in targets:
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(t_arch, t_vendor, t_os) = target.split('-')
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archs = [t_arch]
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if t_arch == 'ptx32' or t_arch == 'ptx64':
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archs.append('ptx')
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archs.append('generic')
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subdirs = []
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for arch in archs:
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subdirs.append("%s-%s-%s" % (arch, t_vendor, t_os))
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subdirs.append("%s-%s" % (arch, t_os))
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subdirs.append(arch)
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subdirs = [subdir for subdir in subdirs
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if os.path.isdir(os.path.join(srcdir, subdir, 'include')) or
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os.path.isfile(os.path.join(srcdir, subdir, 'lib', 'SOURCES'))]
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clang_cl_includes = ' '.join(["-I%s" % os.path.join(srcdir, subdir, 'include')
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for subdir in subdirs])
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# The rule for building a .bc file for the specified architecture using clang.
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clang_bc_flags = "-ccc-host-triple %s -I`dirname $in` %s " \
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"-Dcl_clang_storage_class_specifiers " \
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"-emit-llvm" % (target, clang_cl_includes)
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clang_bc_rule = "CLANG_CL_BC_" + target
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c_compiler_rule(b, clang_bc_rule, "LLVM-CC", llvm_clang, clang_bc_flags)
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objects = []
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sources_seen = set()
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for subdir in subdirs:
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src_libdir = os.path.join(srcdir, subdir, 'lib')
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if not os.path.isdir(src_libdir):
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continue
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subdir_list_file = os.path.join(src_libdir, 'SOURCES')
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manifest_deps.add(subdir_list_file)
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for src in open(subdir_list_file).readlines():
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src = src.rstrip()
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if src not in sources_seen:
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sources_seen.add(src)
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obj = os.path.join(target, 'lib', src + '.bc')
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objects.append(obj)
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src_file = os.path.join(src_libdir, src)
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ext = os.path.splitext(src)[1]
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if ext == '.ll':
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b.build(obj, 'LLVM_AS', src_file)
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else:
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b.build(obj, clang_bc_rule, src_file)
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builtins_link_bc = os.path.join(target, 'lib', 'builtins.link.bc')
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builtins_opt_bc = os.path.join(target, 'lib', 'builtins.opt.bc')
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builtins_bc = os.path.join(target, 'lib', 'builtins.bc')
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b.build(builtins_link_bc, "LLVM_LINK", objects)
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b.build(builtins_opt_bc, "OPT", builtins_link_bc)
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b.build(builtins_bc, "PREPARE_BUILTINS", builtins_opt_bc, prepare_builtins)
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b.rule("configure", command = ' '.join(sys.argv), description = 'CONFIGURE',
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generator = True)
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b.build(b.output_filename(), 'configure', list(manifest_deps))
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b.finish()
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