From f84efc9c5a13e16a2f4afd1d4c7da7c775425d9b Mon Sep 17 00:00:00 2001
From: qrczak <unknown>
Date: Fri, 30 Mar 2001 05:02:32 +0000
Subject: [PATCH] [project @ 2001-03-30 05:02:31 by qrczak] Replace Readline
 with a more complete version. Process .hsc files in hslibs.

---
 acconfig.h     |    3 +++
 configure.in   |    8 ++++++++
 mk/config.h.in |    3 +++
 3 files changed, 14 insertions(+)

diff --git a/acconfig.h b/acconfig.h
index 4e9c8de..b4bbc07 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -390,6 +390,9 @@
 /* Define if readline plus any additional libs needed for it exist */
 #undef HAVE_READLINE_LIBS
 
+/* Define if readline has version >= 4.x. */
+#undef HAVE_READLINE_4
+
 /* Define if time.h or sys/time.h define the timezone variable */
 #undef HAVE_TIMEZONE
 
diff --git a/configure.in b/configure.in
index 2a9bc24..e00ce22 100644
--- a/configure.in
+++ b/configure.in
@@ -847,6 +847,14 @@ else
 fi
 AC_SUBST(LibsReadline)
 
+if test "$HaveLibReadline"; then
+  AC_CHECK_LIB(readline, rl_erase_empty_line,
+    [AC_DEFINE(HAVE_READLINE_4, 1)],
+    [AC_DEFINE(HAVE_READLINE_4, 0)])
+else
+  AC_DEFINE(HAVE_READLINE_4, 0)
+fi
+
 dnl ** check for math library
 FPTOOLS_CHECK_LIBM()
 AC_SUBST(LIBM)
diff --git a/mk/config.h.in b/mk/config.h.in
index 67084c7..044ca4c 100644
--- a/mk/config.h.in
+++ b/mk/config.h.in
@@ -141,6 +141,9 @@
 /* Define if readline plus any additional libs needed for it exist */
 #undef HAVE_READLINE_LIBS
 
+/* Define if readline has version >= 4.x. */
+#undef HAVE_READLINE_4
+
 /* Define if time.h or sys/time.h define the timezone variable */
 #undef HAVE_TIMEZONE
 
-- 
1.7.10.4