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#! /usr/bin/env python
#
# $Id: statisize.py,v 4.0 2003/04/28 14:40:07 hut66au Exp $
#
# This file takes a linking command line as input (as in c++ -o imview etc),
# finds out all the -L library dependencies and uses static library whereever
# possible, by creating a subdirectory `static' with links to the .a files, then changes
# the compilation line by replacing the -lsomething with static/libsomething.a
#
# This is the only portable way I've found to make an executable as static as possible.
# On some machines (notably DECs and Suns) creating a pure static executable is impossible
# as some .a are missing.
#
import os, errno, sys, string
# set to one if you need debug messages
debug = 0
# list of libraries to exclude from this process
excludelib = ["c", "m", "X11", "Xext", "pthread", "socket", "nsl", "dpstk", "dps", "Xt", "SM", "ICE", "dl", "mp"]
includepath = ["/usr/lib"]
atend = [] # for silent libraries that need to be appended
# returns a copy of the input list with items unique
def uniq(strlist):
strlist.sort()
cpl = strlist[:] # make a copy
l = len(strlist)
for item in range(l-1):
index = l - item -1
if (strlist[index] == strlist[index-1]):
cpl.pop(index) # remove from the end
return cpl
# process arguments for this script
def processOwnArgs(arglist):
global debug
while arglist[0][0] == "-":
if debug:
print "argument ", arglist[arg][1:]
if arglist[0][1:] == "debug":
debug = 1
arglist.pop(0) # get rid of this argument
if arglist[0][1:] == "append":
if debug:
print "Will append ", arglist[1], " at the end of compilation stanza"
atend.append(arglist[1])
arglist.pop(0) # get rid of two arguments
arglist.pop(0)
if arglist[0][1:] == "-": # end of arguments
arglist.pop(0)
break;
# main part of the script
words = sys.argv[1:]
processOwnArgs(words)
nbwords = len(words)
if debug:
print "*** Debug information"
# finds the -Lsomething
libpath = []
for row in range(nbwords):
if words[row][0:2] == "-L":
libpath.append(words[row][2:])
# append the automatically included libs
libpath = libpath + includepath
if debug:
print "Lib path: ", libpath
# finds the -lsomething
libraries = []
for row in range(nbwords):
if words[row][0:2] == "-l":
libraries.append(words[row][2:])
# print out the somethings
libpath = uniq(libpath)
if debug:
print "Libpath =", libpath
libraries = uniq(libraries)
if debug:
print "Libraries =", libraries
# walk the library tree, creates symbolic links, remember them
assoc = {}
for lib in libraries:
for dir in libpath:
if (excludelib.count(lib) != 0):
if debug:
print "Excluding ", lib
break;
libname = "lib" + lib + ".a"
pathlib = dir + "/" + libname
if os.access(pathlib, os.R_OK) == 1:
if debug:
print "Found static version of ", lib, " as: ", pathlib
assoc[lib] = pathlib
break
if debug:
print assoc
# now re-creates a compilation line with -l changed to direct library calls
# change the -l<lib> into blabla/lib<lib>.a
for index in (range(nbwords)):
if words[index][0:2] == "-l":
try:
remainder = words[index][2:]
words[index] = assoc[remainder]
except KeyError:
if debug:
print "library ", remainder, " was unchanged"
# print the new command
cmd = ""
for index in (range(nbwords)):
cmd = cmd + words[index] + " "
# add the extra stuff
for stuff in atend:
cmd = cmd + stuff + " "
words.append(stuff)
if debug:
print "Words contains: ", words
print "*** End of debug information"
print cmd
# execute it
os.execvp(words[0], words)
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