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-rwxr-xr-xscripts/vendors/compile-altera.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/vendors/compile-altera.sh b/scripts/vendors/compile-altera.sh
index 06269071e..17dfe42c7 100755
--- a/scripts/vendors/compile-altera.sh
+++ b/scripts/vendors/compile-altera.sh
@@ -217,7 +217,7 @@ fi
# Search Altera Quartus in default installation locations
DefaultDirectories=("/opt/Altera" "/opt/altera" "/c/Altera")
-if [ ! -z $QUARTUS_ROOTDIR ]; then
+if [ -n "$QUARTUS_ROOTDIR" ]; then
EnvSourceDir="$QUARTUS_ROOTDIR/${Altera_Quartus_Settings[SourceDirectory]}"
else
for DefaultDir in "${DefaultDirectories[@]}"; do