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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index f8726256d9..184f33cc46 100644
--- a/configure.in
+++ b/configure.in
@@ -641,7 +641,7 @@ AC_ARG_ENABLE(thread-safety,
TSRM_LIB='TSRM/libtsrm.la'
TSRM_DIR=TSRM
AC_DEFINE(ZTS)
- INCLUDES="$INCLUDES -I$\(top_builddir)/TSRM"
+ INCLUDES="$INCLUDES -I\$(top_builddir)/TSRM"
CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS"
AC_MSG_RESULT(yes)
else