Changes in tools/toolchain.sh [8876b0d:285589b] in mainline

File:

• tools/toolchain.sh (modified) (2 diffs)

tools/toolchain.sh

@@ -254 +254 @@
 }
 
+check_dirs() {
+        OUTSIDE="$1"
+        BASE="$2"
+        ORIGINAL="`pwd`"
+        
+        cd "${OUTSIDE}"
+        check_error $? "Unable to change directory to ${OUTSIDE}."
+        ABS_OUTSIDE="`pwd`"
+        
+        cd "${BASE}"
+        check_error $? "Unable to change directory to ${BASE}."
+        ABS_BASE="`pwd`"
+        
+        cd "${ORIGINAL}"
+        check_error $? "Unable to change directory to ${ORIGINAL}."
+        
+        BASE_LEN="${#ABS_BASE}"
+        OUTSIDE_TRIM="${ABS_OUTSIDE:0:${BASE_LEN}}"
+        
+        if [ "${OUTSIDE_TRIM}" == "${ABS_BASE}" ] ; then
+                echo
+                echo "CROSS_PREFIX cannot reside within the working directory."
+                
+                exit 5
+        fi
+}
+
 unpack_tarball() {
         FILE="$1"
@@ -306 +333 @@
         create_dir "${PREFIX}" "destination directory"
         create_dir "${OBJDIR}" "GCC object directory"
+        
+        check_dirs "${PREFIX}" "${WORKDIR}"
         
         echo ">>> Unpacking tarballs"