diff --git a/3rdParty/buildLinuxDependencies.sh b/3rdParty/buildLinuxDependencies.sh
index b71bdcd43f..ae51b62ac0 100755
--- a/3rdParty/buildLinuxDependencies.sh
+++ b/3rdParty/buildLinuxDependencies.sh
@@ -51,6 +51,7 @@ ROOTDIR=$(pwd)
 cache_dir=""
 doclean=""
 wxoption=""
+build_config="Release"
 while [[ $# -gt 0 ]]; do
     key="$1"
     case $key in
@@ -63,6 +64,7 @@ while [[ $# -gt 0 ]]; do
         ;;
         --debug)
         wxoption="--debug"
+        build_config="Debug"
         ;;
         *)
         echo "unrecognized option $key"
@@ -82,6 +84,17 @@ else
     PREFIX="$(pwd)/3rdParty/buildCache/linux"
 fi
 
+if [ -f "${PREFIX}/build-config" ]; then
+    cur_config=$(<${PREFIX}/build-config)
+    if [ "${cur_config}" != "${build_config}" ]; then
+        doclean="yes"
+        wxoption="${wxoption} --clean"
+    fi
+else
+    doclean="yes"
+    wxoption="${wxoption} --clean"
+fi
+
 download_and_build() {
     cd "${ROOTDIR}/3rdParty/linux" || exit 1
     DIRNAME="${1}"
@@ -114,6 +127,7 @@ if [ "${doclean}" = "yes" ]; then
     echo "cleaning cache"
     rm -rf ${PREFIX}
     mkdir -p ${PREFIX}
+    echo ${build_config} >${PREFIX}/build-config
 fi
 
 #download_and_build $DIRNAME $FILENAME $DOWNLOADURL $BUILDSCRIPT
diff --git a/3rdParty/buildWxLinux.sh b/3rdParty/buildWxLinux.sh
index 02197074b8..bfe2cf6959 100644
--- a/3rdParty/buildWxLinux.sh
+++ b/3rdParty/buildWxLinux.sh
@@ -61,7 +61,7 @@ else
 fi
 
 doclean=""
-configuration="Release"
+debug_flag="--disable-debug_flag"
 lprefix=""
 cmdline_prefix=""
 while [[ $# -gt 0 ]]; do
@@ -71,7 +71,7 @@ while [[ $# -gt 0 ]]; do
         doclean="yes"
         ;;
         -debug|--debug)
-        configuration="Debug"
+        debug_flag="--enable-debug"
         ;;
         -prefix|--prefix)
         lprefix="$2"
@@ -82,11 +82,6 @@ while [[ $# -gt 0 ]]; do
     shift # past argument or value
 done
 
-debug_flag="--disable-debug_flag"
-if [ $configuration = "Debug" ]; then
-    debug_flag="--enable-debug"
-fi
-
 if [ -d buildgtk ] && [ "${doclean}" = "yes" ]; then
     rm -rf buildgtk
 fi