mirror of https://github.com/python/cpython
144 lines
4.9 KiB
Python
144 lines
4.9 KiB
Python
# Script for building the _ssl module for Windows.
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# Uses Perl to setup the OpenSSL environment correctly
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# and build OpenSSL, then invokes a simple nmake session
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# for _ssl.pyd itself.
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# THEORETICALLY, you can:
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# * Unpack the latest SSL release one level above your main Python source
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# directory. It is likely you will already find the zlib library and
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# any other external packages there.
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# * Install ActivePerl and ensure it is somewhere on your path.
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# * Run this script from the PCBuild directory.
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#
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# it should configure and build SSL, then build the ssl Python extension
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# without intervention.
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import os, sys, re
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# Find all "foo.exe" files on the PATH.
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def find_all_on_path(filename, extras = None):
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entries = os.environ["PATH"].split(os.pathsep)
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ret = []
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for p in entries:
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fname = os.path.abspath(os.path.join(p, filename))
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if os.path.isfile(fname) and fname not in ret:
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ret.append(fname)
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if extras:
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for p in extras:
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fname = os.path.abspath(os.path.join(p, filename))
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if os.path.isfile(fname) and fname not in ret:
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ret.append(fname)
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return ret
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# Find a suitable Perl installation for OpenSSL.
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# cygwin perl does *not* work. ActivePerl does.
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# Being a Perl dummy, the simplest way I can check is if the "Win32" package
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# is available.
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def find_working_perl(perls):
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for perl in perls:
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fh = os.popen(perl + ' -e "use Win32;"')
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fh.read()
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rc = fh.close()
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if rc:
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continue
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return perl
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print "Can not find a suitable PERL:"
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if perls:
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print " the following perl interpreters were found:"
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for p in perls:
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print " ", p
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print " None of these versions appear suitable for building OpenSSL"
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else:
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print " NO perl interpreters were found on this machine at all!"
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print " Please install ActivePerl and ensure it appears on your path"
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print "The Python SSL module was not built"
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return None
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# Locate the best SSL directory given a few roots to look into.
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def find_best_ssl_dir(sources):
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candidates = []
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for s in sources:
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try:
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s = os.path.abspath(s)
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fnames = os.listdir(s)
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except os.error:
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fnames = []
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for fname in fnames:
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fqn = os.path.join(s, fname)
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if os.path.isdir(fqn) and fname.startswith("openssl-"):
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candidates.append(fqn)
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# Now we have all the candidates, locate the best.
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best_parts = []
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best_name = None
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for c in candidates:
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parts = re.split("[.-]", os.path.basename(c))[1:]
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# eg - openssl-0.9.7-beta1 - ignore all "beta" or any other qualifiers
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if len(parts) >= 4:
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continue
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if parts > best_parts:
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best_parts = parts
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best_name = c
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if best_name is not None:
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print "Found an SSL directory at '%s'" % (best_name,)
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else:
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print "Could not find an SSL directory in '%s'" % (sources,)
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return best_name
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def main():
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debug = "-d" in sys.argv
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build_all = "-a" in sys.argv
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make_flags = ""
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if build_all:
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make_flags = "-a"
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# perl should be on the path, but we also look in "\perl" and "c:\\perl"
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# as "well known" locations
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perls = find_all_on_path("perl.exe", ["\\perl\\bin", "C:\\perl\\bin"])
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perl = find_working_perl(perls)
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if perl is None:
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sys.exit(1)
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print "Found a working perl at '%s'" % (perl,)
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# Look for SSL 2 levels up from pcbuild - ie, same place zlib etc all live.
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ssl_dir = find_best_ssl_dir(("../..",))
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if ssl_dir is None:
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sys.exit(1)
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old_cd = os.getcwd()
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try:
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os.chdir(ssl_dir)
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# If the ssl makefiles do not exist, we invoke Perl to generate them.
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if not os.path.isfile(os.path.join(ssl_dir, "32.mak")) or \
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not os.path.isfile(os.path.join(ssl_dir, "d32.mak")):
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print "Creating the makefiles..."
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# Put our working Perl at the front of our path
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os.environ["PATH"] = os.path.split(perl)[0] + \
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os.pathsep + \
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os.environ["PATH"]
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rc = os.system("ms\\32all.bat")
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# Now run make.
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print "Executing nmake over the ssl makefiles..."
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if debug:
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rc = os.system("nmake /nologo -f d32.mak")
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if rc:
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print "Executing d32.mak failed"
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print rc
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sys.exit(rc)
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else:
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rc = os.system("nmake /nologo -f 32.mak")
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if rc:
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print "Executing 32.mak failed"
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print rc
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sys.exit(rc)
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finally:
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os.chdir(old_cd)
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# And finally, we can build the _ssl module itself for Python.
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defs = "SSL_DIR=%s" % (ssl_dir,)
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if debug:
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defs = defs + " " + "DEBUG=1"
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rc = os.system('nmake /nologo -f _ssl.mak ' + defs + " " + make_flags)
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sys.exit(rc)
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if __name__=='__main__':
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main()
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