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-rw-r--r--configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 060ab50c..755aeacc 100644
--- a/configure.in
+++ b/configure.in
@@ -29,6 +29,7 @@ AC_CHECK_HEADERS(arpa/inet.h arpa/nameser.h resolv.h net/socket.h sys/select.h)
AC_C_CONST dnl getopt needs this.
AC_PROG_LEX
+AC_PROG_MAKE_SET
AC_PROG_YACC
AC_SUBST(CPFLAGS)
AC_SUBST(CEFLAGS)