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