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-rw-r--r--scripts/build/v-klee.inc8
1 files changed, 4 insertions, 4 deletions
diff --git a/scripts/build/v-klee.inc b/scripts/build/v-klee.inc
index 78c4e1d1..4b0f1085 100644
--- a/scripts/build/v-klee.inc
+++ b/scripts/build/v-klee.inc
@@ -21,8 +21,8 @@ artifact_dependency_klee(){
     dependencies+=(uclibc)
   fi
 
-  [[ "${USE_TCMALLOC}" -eq 1 ]] && dependencies+=("tcmalloc")
-  [[ "${USE_LIBCXX}" -eq 1 ]] && dependencies+=("libcxx")
+  [[ "${USE_TCMALLOC:-}" -eq 1 ]] && dependencies+=("tcmalloc")
+  [[ "${USE_LIBCXX:-}" -eq 1 ]] && dependencies+=("libcxx")
 
   for d in "${dependencies[@]}"; do
     echo "${d}"
@@ -36,8 +36,8 @@ runtime_artifact_dependency_klee(){
   fi
   dependencies+=("llvm" "solvers" "gtest" "sqlite")
 
-  [[ "${USE_TCMALLOC}" -eq 1 ]] && dependencies+=("tcmalloc")
-  [[ "${USE_LIBCXX}" -eq 1 ]] && dependencies+=("libcxx")
+  [[ "${USE_TCMALLOC:-}" -eq 1 ]] && dependencies+=("tcmalloc")
+  [[ "${USE_LIBCXX:-}" -eq 1 ]] && dependencies+=("libcxx")
 
   for d in "${dependencies[@]}"; do
     echo "${d}"