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- #!/bin/bash
- # ---------------------------------------------------------------------------------------------------------
- # place as many old macOS SDKs into the directory with this script e.g. if you have
- #
- # my-macpro:SDKs natb$ ls -ahl
- # total 4254792
- # drwxr-xr-x 17 natb admin 578B Nov 21 2017 .
- # drwxrwxr-x 24 root admin 884B Aug 29 06:46 ..
- # drwxr-xr-x 5 natb admin 170B Oct 17 2017 MacOSX10.10.sdk
- # drwxr-xr-x 5 natb admin 170B Oct 17 2017 MacOSX10.11.sdk
- # drwxr-xr-x 5 natb admin 170B Oct 17 2017 MacOSX10.12.sdk
- # drwxr-xr-x 5 natb admin 170B Oct 17 2017 MacOSX10.13.sdk
- # drwxr-xr-x 7 natb admin 238B Oct 17 2017 MacOSX10.6.sdk
- # drwxr-xr-x 7 natb admin 238B Oct 17 2017 MacOSX10.7.sdk
- # drwxr-xr-x 5 natb admin 170B Oct 17 2017 MacOSX10.8.sdk
- # drwxr-xr-x 5 natb admin 170B Oct 17 2017 MacOSX10.9.sdk
- #
- # then run it to allow your current version of Xcode is to have access to SDKs back to 10.6
- # tested with Xcode 8.x - 9.4.x. Works with Xcode 10, but Xcode 10 will not support 32-bit targets
- # and complains indefinitely for 9.4.x and higher. I suggest 9.2.x as your stopping point if
- # you plan to build universal/fat binaries that can run pre-10.14
- # this same tactic works for iOS and tvOS SDKs.
- # ---------------------------------------------------------------------------------------------------------
- SDK_DIR="$(cd $(dirname $0) && echo $PWD)"
- OSX_PLAT=`xcrun --sdk macosx --show-sdk-platform-path`
- OSX_SDK=$OSX_PLAT/Developer/SDKs
- pushd "$OSX_SDK"
- # this links
- sudo ln -sfn "$SDK_DIR"/* .
- # this is a magic tweak for an ommission in the 10.9 SDK which can trip you up
- if [ -e "$SDK_DIR/MacOSX10.10.sdk/usr/lib/crt1.10.6.o" -a ! -e "$SDK_DIR/MacOSX10.9.sdk/usr/lib/crt1.10.6.o" ]
- then
- cp "$SDK_DIR/MacOSX10.10.sdk/usr/lib/crt1.10.6.o" "$SDK_DIR/MacOSX10.9.sdk/usr/lib/"
- fi
- popd
- # this is the magic tweak to Info.plist to enable older SDKs that you have symlink'd in
- sudo plutil -replace MinimumSDKVersion -string 10.6 "$OSX_PLAT"/Info.plist
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