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configure.py: Make python3 friendly

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mostly prints and exceptions.
Few behavioral changes are documented in the text
Generated Makefile is identical between python2 and python3

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Aaron Watry <awatry@gmail.com>
llvm-svn: 309820
This commit is contained in:
Jan Vesely 2017-08-02 15:00:59 +00:00
parent 5ce28f4f92
commit a4a20cd2f3
2 changed files with 19 additions and 6 deletions

2
libclc/build/metabuild.py

@ -97,4 +97,4 @@ def from_name(name):
return Make()
if name == 'ninja':
return Ninja()
raise LookupError, 'unknown generator: %s; supported generators are make and ninja' % name
raise LookupError('unknown generator: %s; supported generators are make and ninja' % name)

23
libclc/configure.py

@ -1,4 +1,11 @@
#!/usr/bin/python
from __future__ import print_function
# We only need this for int() cast, which works by default in python 2
try:
from builtins import int
except:
pass
def c_compiler_rule(b, name, description, compiler, flags):
command = "%s -MMD -MF $out.d %s -c -o $out $in" % (compiler, flags)
@ -58,19 +65,21 @@ if not pkgconfigdir:
def llvm_config(args):
try:
proc = Popen([llvm_config_exe] + args, stdout=PIPE)
# Universal newlines translate different newline formats to '\n'
# it also force the input to be string instead of bytes in python 3
proc = Popen([llvm_config_exe] + args, stdout=PIPE, universal_newlines=True)
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."
print("Error executing llvm-config.")
print("Please ensure that llvm-config is in your $PATH, or use --with-llvm-config.")
sys.exit(1)
llvm_version = string.split(string.replace(llvm_config(['--version']), 'svn', ''), '.')
llvm_version = llvm_config(['--version']).replace('svn', '').split('.')
llvm_int_version = int(llvm_version[0]) * 100 + int(llvm_version[1]) * 10
llvm_string_version = 'LLVM' + llvm_version[0] + '.' + llvm_version[1]
if llvm_int_version < 400:
print "libclc requires LLVM >= 4.0"
print("libclc requires LLVM >= 4.0")
sys.exit(1)
llvm_system_libs = llvm_config(['--system-libs'])
@ -180,6 +189,10 @@ for target in targets:
libdirs = filter(lambda d: os.path.isfile(os.path.join(d, 'SOURCES')),
[os.path.join(srcdir, subdir, 'lib') for subdir in subdirs])
# The above are iterables in python3 but we might use them multiple times
# if more then one device is supported.
incdirs = list(incdirs)
libdirs = list(libdirs)
clang_cl_includes = ' '.join(["-I%s" % incdir for incdir in incdirs])
for device in available_targets[target]['devices']: