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-rw-r--r--sim/common/acinclude.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/sim/common/acinclude.m4 b/sim/common/acinclude.m4
index efb1a29..20155ad 100644
--- a/sim/common/acinclude.m4
+++ b/sim/common/acinclude.m4
@@ -178,7 +178,7 @@ AC_ARG_ENABLE(sim-trace,
no) sim_trace="-DTRACE=0 -DWITH_TRACE=0";;
[[-0-9]]*)
sim_trace="-DTRACE='(${enableval})' -DWITH_TRACE='(${enableval})'";;
- [[a-z]]*)
+ [[[:lower:]]]*)
sim_trace=""
for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
if test x"$sim_trace" = x; then