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-rw-r--r--configure.in7
1 files changed, 6 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 5738bfb..0b8d91e 100644
--- a/configure.in
+++ b/configure.in
@@ -19,7 +19,12 @@ dnl Checks for header files.
AC_CHECK_HEADER(getopt.h,HAVE_GETOPT_H=1,HAVE_GETOPT_H=0)
AC_SUBST(HAVE_GETOPT_H)
-dnl check for kernel version
+dnl --- checking for readline
+
+AC_CHECK_HEADER(readline/readline.h,,
+ AC_ERROR(could not find readline header files))
+
+dnl --- check for kernel version
kernel_version=`uname -r 2>&1`
echo -n "checking for kernel version ... "
case "$kernel_version" in