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# Script for building the _ssl module for Windows.
# Uses Perl to setup the OpenSSL environment correctly
# and build OpenSSL, then invokes a simple nmake session
# for _ssl.pyd itself.
# THEORETICALLY, you can:
# * Unpack the latest SSL release one level above your main Python source
# directory. It is likely you will already find the zlib library and
# any other external packages there.
# * Install ActivePerl and ensure it is somewhere on your path.
# * Run this script from the PC/VC6 directory.
#
# it should configure and build SSL, then build the ssl Python extension
# without intervention.
# Modified by Christian Heimes
# Now this script supports pre-generated makefiles and assembly files.
# Developers don't need an installation of Perl anymore to build Python. A svn
# checkout from our svn repository is enough.
import os, sys, re, shutil
# Find all "foo.exe" files on the PATH.
def find_all_on_path(filename, extras = None):
entries = os.environ["PATH"].split(os.pathsep)
ret = []
for p in entries:
fname = os.path.abspath(os.path.join(p, filename))
if os.path.isfile(fname) and fname not in ret:
ret.append(fname)
if extras:
for p in extras:
fname = os.path.abspath(os.path.join(p, filename))
if os.path.isfile(fname) and fname not in ret:
ret.append(fname)
return ret
# Find a suitable Perl installation for OpenSSL.
# cygwin perl does *not* work. ActivePerl does.
# Being a Perl dummy, the simplest way I can check is if the "Win32" package
# is available.
def find_working_perl(perls):
for perl in perls:
fh = os.popen('"%s" -e "use Win32;"' % perl)
fh.read()
rc = fh.close()
if rc:
continue
return perl
print "Can not find a suitable PERL:"
if perls:
print " the following perl interpreters were found:"
for p in perls:
print " ", p
print " None of these versions appear suitable for building OpenSSL"
else:
print " NO perl interpreters were found on this machine at all!"
print " Please install ActivePerl and ensure it appears on your path"
return None
# Locate the best SSL directory given a few roots to look into.
def find_best_ssl_dir(sources):
candidates = []
for s in sources:
try:
# note: do not abspath s; the build will fail if any
# higher up directory name has spaces in it.
fnames = os.listdir(s)
except os.error:
fnames = []
for fname in fnames:
fqn = os.path.join(s, fname)
if os.path.isdir(fqn) and fname.startswith("openssl-"):
candidates.append(fqn)
# Now we have all the candidates, locate the best.
best_parts = []
best_name = None
for c in candidates:
parts = re.split("[.-]", os.path.basename(c))[1:]
# eg - openssl-0.9.7-beta1 - ignore all "beta" or any other qualifiers
if len(parts) >= 4:
continue
if parts > best_parts:
best_parts = parts
best_name = c
if best_name is not None:
print "Found an SSL directory at '%s'" % (best_name,)
else:
print "Could not find an SSL directory in '%s'" % (sources,)
sys.stdout.flush()
return best_name
def fix_makefile(makefile):
"""Fix some stuff in all makefiles
"""
if not os.path.isfile(makefile):
return
# 2.4 compatibility
fin = open(makefile)
if 1: # with open(makefile) as fin:
lines = fin.readlines()
fin.close()
fout = open(makefile, 'w')
if 1: # with open(makefile, 'w') as fout:
for line in lines:
if line.startswith("PERL="):
continue
if line.startswith("CP="):
line = "CP=copy\n"
if line.startswith("MKDIR="):
line = "MKDIR=mkdir\n"
if line.startswith("CFLAG="):
line = line.strip()
for algo in ("RC5", "MDC2", "IDEA"):
noalgo = " -DOPENSSL_NO_%s" % algo
if noalgo not in line:
line = line + noalgo
line = line + '\n'
fout.write(line)
fout.close()
def run_configure(configure, do_script):
print "perl Configure "+configure
os.system("perl Configure "+configure)
print do_script
os.system(do_script)
def cmp(f1, f2):
bufsize = 1024 * 8
with open(f1, 'rb') as fp1, open(f2, 'rb') as fp2:
while True:
b1 = fp1.read(bufsize)
b2 = fp2.read(bufsize)
if b1 != b2:
return False
if not b1:
return True
def copy(src, dst):
if os.path.isfile(dst) and cmp(src, dst):
return
shutil.copy(src, dst)
def main():
debug = "-d" in sys.argv
build_all = "-a" in sys.argv
if 1: # Win32
arch = "x86"
configure = "VC-WIN32"
do_script = "ms\\do_nasm"
makefile="ms\\nt.mak"
m32 = makefile
dirsuffix = "32"
configure += " no-idea no-rc5 no-mdc2"
make_flags = ""
if build_all:
make_flags = "-a"
# perl should be on the path, but we also look in "\perl" and "c:\\perl"
# as "well known" locations
perls = find_all_on_path("perl.exe", ["\\perl\\bin", "C:\\perl\\bin"])
perl = find_working_perl(perls)
if perl:
print "Found a working perl at '%s'" % (perl,)
else:
print "No Perl installation was found. Existing Makefiles are used."
sys.stdout.flush()
# Look for SSL 3 levels up from PC/VC6 - ie, same place zlib etc all live.
ssl_dir = find_best_ssl_dir(("..\\..\\..",))
if ssl_dir is None:
sys.exit(1)
old_cd = os.getcwd()
try:
os.chdir(ssl_dir)
# If the ssl makefiles do not exist, we invoke Perl to generate them.
# Due to a bug in this script, the makefile sometimes ended up empty
# Force a regeneration if it is.
if not os.path.isfile(makefile) or os.path.getsize(makefile)==0:
if perl is None:
print "Perl is required to build the makefiles!"
sys.exit(1)
print "Creating the makefiles..."
sys.stdout.flush()
# Put our working Perl at the front of our path
os.environ["PATH"] = os.path.dirname(perl) + \
os.pathsep + \
os.environ["PATH"]
run_configure(configure, do_script)
if debug:
print "OpenSSL debug builds aren't supported."
#if arch=="x86" and debug:
# # the do_masm script in openssl doesn't generate a debug
# # build makefile so we generate it here:
# os.system("perl util\mk1mf.pl debug "+configure+" >"+makefile)
fix_makefile(makefile)
copy(r"crypto\buildinf.h", r"crypto\buildinf_%s.h" % arch)
copy(r"crypto\opensslconf.h", r"crypto\opensslconf_%s.h" % arch)
# If the assembler files don't exist in tmpXX, copy them there
if perl is None:
if not os.path.exists("tmp"+dirsuffix):
os.mkdir("tmp"+dirsuffix)
for f in os.listdir("asm"+dirsuffix):
if not f.endswith(".asm"): continue
if os.path.isfile(r"tmp%s\%s" % (dirsuffix, f)): continue
shutil.copy(r"asm%s\%s" % (dirsuffix, f), "tmp"+dirsuffix)
# Now run make.
copy(r"crypto\buildinf_%s.h" % arch, r"crypto\buildinf.h")
copy(r"crypto\opensslconf_%s.h" % arch, r"crypto\opensslconf.h")
#makeCommand = "nmake /nologo PERL=\"%s\" -f \"%s\"" %(perl, makefile)
makeCommand = "nmake /nologo -f \"%s\"" % makefile
print "Executing ssl makefiles:", makeCommand
sys.stdout.flush()
rc = os.system(makeCommand)
if rc:
print "Executing "+makefile+" failed"
print rc
sys.exit(rc)
finally:
os.chdir(old_cd)
# And finally, we can build the _ssl module itself for Python.
defs = "SSL_DIR=%s" % (ssl_dir,)
if debug:
defs = defs + " " + "DEBUG=1"
rc = os.system('nmake /nologo -f _ssl.mak ' + defs + " " + make_flags)
sys.exit(rc)
if __name__=='__main__':
main()
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