forked from bartvdbraak/blender
92 lines
2.1 KiB
Python
92 lines
2.1 KiB
Python
|
# Check for a module in a set of extension directories.
|
||
|
# An extension directory should contain a Setup file
|
||
|
# and one or more .o files or a lib.a file.
|
||
|
|
||
|
import os
|
||
|
import string
|
||
|
import parsesetup
|
||
|
|
||
|
def checkextensions(unknown, extensions):
|
||
|
files = []
|
||
|
modules = []
|
||
|
edict = {}
|
||
|
for e in extensions:
|
||
|
setup = os.path.join(e, 'Setup')
|
||
|
liba = os.path.join(e, 'lib.a')
|
||
|
if not os.path.isfile(liba):
|
||
|
liba = None
|
||
|
edict[e] = parsesetup.getsetupinfo(setup), liba
|
||
|
for mod in unknown:
|
||
|
for e in extensions:
|
||
|
(mods, vars), liba = edict[e]
|
||
|
if not mods.has_key(mod):
|
||
|
continue
|
||
|
modules.append(mod)
|
||
|
if liba:
|
||
|
# If we find a lib.a, use it, ignore the
|
||
|
# .o files, and use *all* libraries for
|
||
|
# *all* modules in the Setup file
|
||
|
if liba in files:
|
||
|
break
|
||
|
files.append(liba)
|
||
|
for m in mods.keys():
|
||
|
files = files + select(e, mods, vars,
|
||
|
m, 1)
|
||
|
break
|
||
|
files = files + select(e, mods, vars, mod, 0)
|
||
|
break
|
||
|
return files, modules
|
||
|
|
||
|
def select(e, mods, vars, mod, skipofiles):
|
||
|
files = []
|
||
|
for w in mods[mod]:
|
||
|
w = treatword(w)
|
||
|
if not w:
|
||
|
continue
|
||
|
w = expandvars(w, vars)
|
||
|
for w in string.split(w):
|
||
|
if skipofiles and w[-2:] == '.o':
|
||
|
continue
|
||
|
# Assume $var expands to absolute pathname
|
||
|
if w[0] not in ('-', '$') and w[-2:] in ('.o', '.a'):
|
||
|
w = os.path.join(e, w)
|
||
|
if w[:2] in ('-L', '-R') and w[2:3] != '$':
|
||
|
w = w[:2] + os.path.join(e, w[2:])
|
||
|
files.append(w)
|
||
|
return files
|
||
|
|
||
|
cc_flags = ['-I', '-D', '-U']
|
||
|
cc_exts = ['.c', '.C', '.cc', '.c++']
|
||
|
|
||
|
def treatword(w):
|
||
|
if w[:2] in cc_flags:
|
||
|
return None
|
||
|
if w[:1] == '-':
|
||
|
return w # Assume loader flag
|
||
|
head, tail = os.path.split(w)
|
||
|
base, ext = os.path.splitext(tail)
|
||
|
if ext in cc_exts:
|
||
|
tail = base + '.o'
|
||
|
w = os.path.join(head, tail)
|
||
|
return w
|
||
|
|
||
|
def expandvars(str, vars):
|
||
|
i = 0
|
||
|
while i < len(str):
|
||
|
i = k = string.find(str, '$', i)
|
||
|
if i < 0:
|
||
|
break
|
||
|
i = i+1
|
||
|
var = str[i:i+1]
|
||
|
i = i+1
|
||
|
if var == '(':
|
||
|
j = string.find(str, ')', i)
|
||
|
if j < 0:
|
||
|
break
|
||
|
var = str[i:j]
|
||
|
i = j+1
|
||
|
if vars.has_key(var):
|
||
|
str = str[:k] + vars[var] + str[i:]
|
||
|
i = k
|
||
|
return str
|