# the other stdenv could change the SHELL variable,
# so we have to remember its value.
origShell=$SHELL
origGcc=$GCC
source $STDENV/setup
mkdir $OUT
SHELL=$origShell
GCC=$origGcc
export NIX_BUILD_TOP=$(pwd)
substitute "$SETUP" "$OUT/setup" \
--subst-var INITIALPATH \
--subst-var GCC \
--subst-var SHELL