nixpkgs/pkgs/stdenv/cygwin/rebase-i686.sh
John Ericson 2811b032d6 treewide: Make still dont* Variables are optional in most cases
Go beyond the obvious setup hooks now, with a bit of sed, with a skipped case:

 - cc-wrapper's `dontlink`, because it already is handled.

Also, in nix files escaping was manually added.

EMP
2019-11-01 14:44:44 -04:00

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fixupOutputHooks+=(_cygwinFixAutoImageBase)
_cygwinFixAutoImageBase() {
if [ "${dontRebase-}" == 1 ] || [ ! -d "$prefix" ]; then
return
fi
find "$prefix" -name "*.dll" -type f | while read DLL; do
if [ -f /etc/rebasenix.nextbase ]; then
NEXTBASE="$(</etc/rebasenix.nextbase)"
fi
NEXTBASE=${NEXTBASE:-0x62000000}
REBASE=(`/bin/rebase -i $DLL`)
BASE=${REBASE[2]}
SIZE=${REBASE[4]}
SKIP=$(((($SIZE>>16)+1)<<16))
echo "REBASE FIX: $DLL $BASE -> $NEXTBASE"
/bin/rebase -b $NEXTBASE $DLL
NEXTBASE="0x`printf %x $(($NEXTBASE+$SKIP))`"
echo $NEXTBASE > /etc/rebasenix.nextbase
done
}