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qemu.bbclass: fix a python TypeError
QEMU_OPTIONS can be empty which will trigger a exception TypeError: | can only concatenate str (not "NoneType") to str. Fix it by setting a empty string. ALso removed two useless blanks. (From OE-Core rev: b619197bd52a4a99a9989e7ea6fb7032415b1e42) Signed-off-by: Ming Liu <liu.ming50@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@@ -34,7 +34,7 @@ def qemu_wrapper_cmdline(data, rootfs_path, library_paths):
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if qemu_binary == "qemu-allarch":
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qemu_binary = "qemuwrapper"
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qemu_options = data.getVar("QEMU_OPTIONS")
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qemu_options = data.getVar("QEMU_OPTIONS") or ""
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return "PSEUDO_UNLOAD=1 " + qemu_binary + " " + qemu_options + " -L " + rootfs_path\
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+ " -E LD_LIBRARY_PATH=" + ":".join(library_paths) + " "
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