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[Qemu-trivial] [PATCH] Fix build for less common build directories names

From: Stefan Weil
Subject: [Qemu-trivial] [PATCH] Fix build for less common build directories names
Date: Thu, 13 Oct 2016 20:29:30 +0200

scripts/tracetool generates a C preprocessor macro from the name of the
build directory. Any characters which are possible in a directory name
but not allowed in a macro name must be substituted, otherwise builds
will fail.

Signed-off-by: Stefan Weil <address@hidden>

I had problems with a build directory of the form "host,variant".
Is this fix needed for stable, too?

Stefan W.

 scripts/tracetool.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/tracetool.py b/scripts/tracetool.py
index 629b259..fe9c9e9 100755
--- a/scripts/tracetool.py
+++ b/scripts/tracetool.py
@@ -70,7 +70,7 @@ def make_group_name(filename):
     if dirname == "":
         return "common"
-    return re.sub(r"/|-", "_", dirname)
+    return re.sub(r"[^A-Za-z0-9]", "_", dirname)
 def main(args):
     global _SCRIPT

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