diff --git a/scripts/crosstool-NG.sh.in b/scripts/crosstool-NG.sh.in
--- a/scripts/crosstool-NG.sh.in
+++ b/scripts/crosstool-NG.sh.in
@@ -39,6 +39,10 @@
 CT_TestAndAbort "Don't set LD_LIBRARY_PATH. It screws up the build." -n "${LD_LIBRARY_PATH}"
 CT_TestAndAbort "Don't set CFLAGS. It screws up the build." -n "${CFLAGS}"
 CT_TestAndAbort "Don't set CXXFLAGS. It screws up the build." -n "${CXXFLAGS}"
+CT_Test "LIBRARY_PATH screws up the build. Resetting." -n "${LIBRARY_PATH}"
+export LIBRARY_PATH=
+CT_Test "LPATH screws up the build. Resetting." -n "$LPATH"
+export LPATH=
 CT_Test "GREP_OPTIONS screws up the build. Resetting." -n "${GREP_OPTIONS}"
 export GREP_OPTIONS=
 # Workaround against openSUSE 12.1 that breaks ./configure for cross-compilation: