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Links Xcode SDKs from the /SDKs directory (which you maintain yourself)
#!/usr/bin/python
# fix-xcode
# Rob Napier <robnapier@gmail.com>
# Script to link in all your old SDKs every time you upgrade Xcode
# Create a directory called /SDKs (or modify source_path).
# Under it, put all the platform directories:
# MacOSX.platform iPhoneOS.platform iPhoneSimulator.platform
# Under those, store the SDKs:
# MacOSX10.4u.sdk MacOSX10.5.sdk MacOSX10.6.sdk MacOSX10.7.sdk MacOSX10.8.sdk
#
# After upgrading Xcode, just run fix-xcode.
import argparse
import subprocess
import os
source_path = "/SDKs"
parser = argparse.ArgumentParser()
parser.add_argument('xcodePath', help='path to Xcode', nargs='?')
args = parser.parse_args()
if args.xcodePath:
dest_path = args.xcodePath
else:
dest_path = subprocess.check_output(["xcode-select", "--print-path"]).rstrip()
if not dest_path.endswith("/Contents/Developer"):
dest_path += "/Contents/Developer"
for platform in os.listdir(source_path):
subprocess.call("sudo ln -sf %(source_path)s/%(platform)s/* %(dest_path)s/Platforms/%(platform)s/Developer/SDKs" % locals(), shell=True)
@mayoralito
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mayoralito commented Oct 2, 2013

+1 Thanks!

@hlung
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hlung commented Oct 3, 2013

Nice!

@LeeSanghoon
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LeeSanghoon commented Oct 8, 2013

+1

@Alelelex
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Alelelex commented Oct 8, 2013

+1 Thanks

@link82
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link82 commented Nov 6, 2013

+1 Thank you!!

@wayneburkett
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wayneburkett commented Nov 15, 2013

This is great. I currently have both 4.6.3 and 5.0 installed. I used the following to link 5.0 to the SDKs in the old version:

platforms_path="$1/Contents/Developer/Platforms";
if [ -d $platforms_path ]; then
    for platform in `ls $platforms_path`
    do
        sudo ln -sf $platforms_path/$platform/Developer/SDKs/* $(xcode-select --print-path)/Platforms/$platform/Developer/SDKs;
    done;
fi;

You just need to supply it with the path to the .app:

./xcode.sh /Applications/Xcode-463.app

@dacaiguoguogmail
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dacaiguoguogmail commented Nov 27, 2013

ln: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS6.1.sdk/Developer/SDKs: No such file or directory
why this error?
xcode 5

@rezwits
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rezwits commented Apr 13, 2014

Thanks

@enthuCoder
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enthuCoder commented May 29, 2015

Sweet!! +1

@agirault
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agirault commented Dec 17, 2015

I get ld: library not found for -lcrt1.10.6.o when trying to compile using MacOSX10.6.sdk, any known solution?

@gblazex
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gblazex commented Apr 3, 2016

Modern versions of Xcode (7.3+) need you to edit the MinimumSDKVersion in this file to use older SDKs:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Info.plist

@KyLeggiero
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KyLeggiero commented Sep 8, 2016

Traceback (most recent call last):
  File "fix-xcode", line 33, in <module>
    for platform in os.listdir(source_path):
OSError: [Errno 2] No such file or directory: '/SDKs'
  • macOS
    • 10.11.6
  • Xcode
    • 7.3.1
    • 8.0 Beta 6 (8A218a)
    • 8.0 GM (8S201h)

@jpmhouston
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jpmhouston commented Sep 29, 2016

Included on this page are commands to use for altering the Info.plist. Integration into the script should be straightforward, hmm, maybe except for parsing the version number out of the SDK path.

@macfanr
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macfanr commented Sep 24, 2020

This not work for xcode12

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