X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/57ce68d00a352c063217eeb9a18cafc44ebcca4e..99cde35bb58605e86541acd812860c222e375af2:/configure.ac

diff --git a/configure.ac b/configure.ac
index 0ed842c..0b9bab1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,25 @@ gl_EARLY
 LT_INIT
 gl_INIT
 
+AC_CACHE_CHECK([if readline supports add_history], [dx_cv_rl_add_history], [dnl
+dx_cv_rl_add_history=no
+dx_save_libs=$LIBS
+LIBS="$LIBS $LIBREADLINE"
+AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
+#include <stdio.h>
+#if HAVE_READLINE_HISTORY_H
+#  include <readline/history.h>
+#endif
+], [dnl
+(*add_history)("");
+])], [dx_cv_rl_add_history=yes], [dx_cv_rl_add_history=no])
+LIBS=$dx_save_libs
+])
+
+AS_IF([test x"$dx_cv_rl_add_history" = x"yes"],
+	[AC_DEFINE([HAVE_RL_ADD_HISTORY], [1],
+		[Define to 1 if readline supports add_history.])])
+
 m4_include([lib/gnulib.mk])
 DX_GLSYM_PREFIX([cdecl__])
 
@@ -55,7 +74,6 @@ AS_CASE([$with_gsl],
 AM_CONDITIONAL([HAVE_GSL], [test x"$have_gsl" = x"yes"])
 
 AC_CONFIG_FILES([
-	exported.sh
 	Makefile
 ])
 AC_OUTPUT