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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 1e7578ee..d09fec9d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,6 +28,7 @@ AC_PROG_CC_C99
AC_PROG_CPP
AC_PROG_EGREP
AC_PROG_INSTALL
+AC_PROG_YACC
PKG_PROG_PKG_CONFIG
AC_USE_SYSTEM_EXTENSIONS