runqemu-internal: don't append an empty element to PATH

Bitbake fails to run when an empty element exists in $PATH. Avoid
creating this situation when $CROSSPATH is not set.

This fixes bug [YOCTO #3101]

(From OE-Core rev: 1f7f590369eaa76dc970c9cffd1f0db53ce08c00)

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal
index 6b8bb6520ea0728879ce0e45b87c1883a162c8fc..0f07bad9700c6ca6101f02883f432355895eb1ed 100755 (executable)
--- a/scripts/runqemu-internal
+++ b/scripts/runqemu-internal
@@ -472,7 +472,11 @@ if [ "x$QEMUOPTIONS" = "x" ]; then
     return
 fi
 
-PATH=$CROSSPATH:$OECORE_NATIVE_SYSROOT/usr/bin:$PATH
+if [ "x$CROSSPATH" = "x" ]; then
+    PATH=$OECORE_NATIVE_SYSROOT/usr/bin:$PATH
+else
+    PATH=$CROSSPATH:$OECORE_NATIVE_SYSROOT/usr/bin:$PATH
+fi
 
 QEMUBIN=`which $QEMU 2> /dev/null`
 if [ ! -x "$QEMUBIN" ]; then