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set +u workaround for empty arrays 

libDirs can be empty, which in combination with "set -u" of
9f1e009975 will cause a variable unbound
error on old bash versions
This commit is contained in:
Bojan Nikolic 2017-08-19 22:16:35 +01:00
parent 5baea8f0eb
commit ad8d5649a2
1 changed files with 1 additions and 1 deletions
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2
pkgs/build-support/cc-wrapper/ld-wrapper.sh
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@ -121,7 +121,7 @@ if [ "$NIX_@infixSalt@_DONT_SET_RPATH" != 1 ]; then
# It's important to add the rpath in the order of -L..., so # It's important to add the rpath in the order of -L..., so
# the link time chosen objects will be those of runtime linking. # the link time chosen objects will be those of runtime linking.
declare -A rpaths declare -A rpaths
for dir in "${libDirs[@]}"; do for dir in ${libDirs+"${libDirs[@]}"}; do
if [[ "$dir" =~ [/.][/.] ]] && dir2=$(readlink -f "$dir"); then if [[ "$dir" =~ [/.][/.] ]] && dir2=$(readlink -f "$dir"); then
dir="$dir2" dir="$dir2"
fi fi