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2160015915
This the build machinery on OSX to re-enable building (and installing) PythonLauncher.app and IDLE.app. This needs ports of fixes to Lib/distutils/util.py and Include/pymacconfig.h to be fully functiontional, to be fully functional. I also have a patch for Makefile.pre.in that I'll post on bugs.python.org for review.
131 lines
4.5 KiB
Python
131 lines
4.5 KiB
Python
#!/usr/bin/python
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"""fixapplepython23 - Fix Apple-installed Python 2.3 (on Mac OS X 10.3)
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Python 2.3 (and 2.3.X for X<5) have the problem that building an extension
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for a framework installation may accidentally pick up the framework
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of a newer Python, in stead of the one that was used to build the extension.
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This script modifies the Makefile (in .../lib/python2.3/config) to use
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the newer method of linking extensions with "-undefined dynamic_lookup"
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which fixes this problem.
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The script will first check all prerequisites, and return a zero exit
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status also when nothing needs to be fixed.
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"""
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import sys
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import os
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import platform
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MAKEFILE='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/Makefile'
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CHANGES=((
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'LDSHARED=\t$(CC) $(LDFLAGS) -bundle -framework $(PYTHONFRAMEWORK)\n',
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'LDSHARED=\t$(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup\n'
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),(
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'BLDSHARED=\t$(CC) $(LDFLAGS) -bundle -framework $(PYTHONFRAMEWORK)\n',
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'BLDSHARED=\t$(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup\n'
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),(
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'CC=\t\tgcc\n',
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'CC=\t\t/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-gcc\n'
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),(
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'CXX=\t\tc++\n',
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'CXX=\t\t/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-g++\n'
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))
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GCC_SCRIPT='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-gcc'
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GXX_SCRIPT='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/PantherPythonFix/run-g++'
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SCRIPT="""#!/bin/sh
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export MACOSX_DEPLOYMENT_TARGET=10.3
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exec %s "${@}"
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"""
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def findline(lines, start):
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"""return line starting with given string or -1"""
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for i in range(len(lines)):
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if lines[i][:len(start)] == start:
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return i
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return -1
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def fix(makefile, do_apply):
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"""Fix the Makefile, if required."""
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fixed = False
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lines = open(makefile).readlines()
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for old, new in CHANGES:
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i = findline(lines, new)
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if i >= 0:
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# Already fixed
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continue
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i = findline(lines, old)
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if i < 0:
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print('fixapplepython23: Python installation not fixed (appears broken)')
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print('fixapplepython23: missing line:', old)
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return 2
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lines[i] = new
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fixed = True
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if fixed:
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if do_apply:
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print('fixapplepython23: Fix to Apple-installed Python 2.3 applied')
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os.rename(makefile, makefile + '~')
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open(makefile, 'w').writelines(lines)
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return 0
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else:
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print('fixapplepython23: Fix to Apple-installed Python 2.3 should be applied')
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return 1
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else:
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print('fixapplepython23: No fix needed, appears to have been applied before')
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return 0
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def makescript(filename, compiler):
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"""Create a wrapper script for a compiler"""
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dirname = os.path.split(filename)[0]
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if not os.access(dirname, os.X_OK):
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os.mkdir(dirname, 0o755)
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fp = open(filename, 'w')
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fp.write(SCRIPT % compiler)
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fp.close()
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os.chmod(filename, 0o755)
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print('fixapplepython23: Created', filename)
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def main():
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# Check for -n option
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if len(sys.argv) > 1 and sys.argv[1] == '-n':
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do_apply = False
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else:
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do_apply = True
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# First check OS version
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if sys.byteorder == 'little':
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# All intel macs are fine
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print("fixapplypython23: no fix is needed on MacOSX on Intel")
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sys.exit(0)
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osver = platform.mac_ver()
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if osver != '10.3' and os.ver < '10.3.':
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print('fixapplepython23: no fix needed on MacOSX < 10.3')
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sys.exit(0)
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if osver >= '10.4':
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print('fixapplepython23: no fix needed on MacOSX >= 10.4')
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sys.exit(0)
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# Test that a framework Python is indeed installed
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if not os.path.exists(MAKEFILE):
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print('fixapplepython23: Python framework does not appear to be installed (?), nothing fixed')
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sys.exit(0)
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# Check that we can actually write the file
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if do_apply and not os.access(MAKEFILE, os.W_OK):
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print('fixapplepython23: No write permission, please run with "sudo"')
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sys.exit(2)
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# Create the shell scripts
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if do_apply:
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if not os.access(GCC_SCRIPT, os.X_OK):
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makescript(GCC_SCRIPT, "gcc")
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if not os.access(GXX_SCRIPT, os.X_OK):
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makescript(GXX_SCRIPT, "g++")
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# Finally fix the makefile
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rv = fix(MAKEFILE, do_apply)
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#sys.exit(rv)
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sys.exit(0)
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if __name__ == '__main__':
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main()
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