170,177c170,179
<             ename = re.escape(name)
<             expr = r':-l%s\.\S+ => \S*/(lib%s\.\S+)' % (ename, ename)
<             f = os.popen('/sbin/ldconfig -r 2>/dev/null')
<             try:
<                 data = f.read()
<             finally:
<                 f.close()
<             res = re.findall(expr, data)
---
>             res = None
>             if os.path.exists('/sbin/ldconfig'):
>                 ename = re.escape(name)
>                 expr = r':-l%s\.\S+ => \S*/(lib%s\.\S+)' % (ename, ename)
>                 f = os.popen('/sbin/ldconfig -r 2>/dev/null')
>                 try:
>                     data = f.read()
>                 finally:
>                     f.close()
>                 res = re.findall(expr, data)
215,228d216
<             import struct
<             if struct.calcsize('l') == 4:
<                 machine = os.uname()[4] + '-32'
<             else:
<                 machine = os.uname()[4] + '-64'
<             mach_map = {
<                 'x86_64-64': 'libc6,x86-64',
<                 'ppc64-64': 'libc6,64bit',
<                 'sparc64-64': 'libc6,64bit',
<                 's390x-64': 'libc6,64bit',
<                 'ia64-64': 'libc6,IA-64',
<                 }
<             abi_type = mach_map.get(machine, 'libc6')
< 
230,236c218,239
<             expr = r'\s+(lib%s\.[^\s]+)\s+\(%s' % (re.escape(name), abi_type)
<             f = os.popen('/sbin/ldconfig -p 2>/dev/null')
<             try:
<                 data = f.read()
<             finally:
<                 f.close()
<             res = re.search(expr, data)
---
>             res = None
>             if os.path.exists('/sbin/ldconfig'):
>                 import struct
>                 if struct.calcsize('l') == 4:
>                     machine = os.uname()[4] + '-32'
>                 else:
>                     machine = os.uname()[4] + '-64'
>                 mach_map = {
>                     'x86_64-64': 'libc6,x86-64',
>                     'ppc64-64': 'libc6,64bit',
>                     'sparc64-64': 'libc6,64bit',
>                     's390x-64': 'libc6,64bit',
>                     'ia64-64': 'libc6,IA-64',
>                     }
>                 abi_type = mach_map.get(machine, 'libc6')
>                 expr = r'\s+(lib%s\.[^\s]+)\s+\(%s' % (re.escape(name), abi_type)
>                 f = os.popen('/sbin/ldconfig -p 2>/dev/null')
>                 try:
>                     data = f.read()
>                 finally:
>                     f.close()
>                 res = re.search(expr, data)