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authorDan Williams <dcbw@redhat.com>2014-10-14 14:30:44 -0500
committerDan Williams <dcbw@redhat.com>2014-10-14 14:30:44 -0500
commitb69143b5085c58e51ab8077ee5cbe6fafe73e041 (patch)
tree7346e080f387d5cc4e3efd6653d0cbe408254290 /m4
parentd5ceb0af1582283867cf9a73cb1443fab0f1c9e9 (diff)
downloadNetworkManager-b69143b5085c58e51ab8077ee5cbe6fafe73e041.tar.gz
build: ensure rl_echo_signal_char() exists in the readline library
Diffstat (limited to 'm4')
-rw-r--r--m4/ax_lib_readline.m413
1 files changed, 13 insertions, 0 deletions
diff --git a/m4/ax_lib_readline.m4 b/m4/ax_lib_readline.m4
index 72764fba56..8a05574f25 100644
--- a/m4/ax_lib_readline.m4
+++ b/m4/ax_lib_readline.m4
@@ -92,6 +92,8 @@ AC_DEFUN([AX_LIB_READLINE], [
LIBS="$LIBS $ax_cv_lib_readline"
AC_CHECK_HEADERS(readline.h readline/readline.h)
+
+ # Check history
AC_CACHE_CHECK([whether readline supports history],
ax_cv_lib_readline_history, [
ax_cv_lib_readline_history="no"
@@ -101,6 +103,17 @@ AC_DEFUN([AX_LIB_READLINE], [
AC_MSG_ERROR(readline history support is required)
fi
AC_CHECK_HEADERS(history.h readline/history.h)
+
+ # check rl_echo_signal_char()
+ AC_CACHE_CHECK([whether readline supports rl_echo_signal_char()],
+ ax_cv_lib_readline_echo_signal_char, [
+ ax_cv_lib_readline_echo_signal_char="no"
+ AC_TRY_LINK_FUNC(rl_echo_signal_char, ax_cv_lib_readline_echo_signal_char="yes")
+ ])
+ if test "$ax_cv_lib_readline_echo_signal_char" != "yes"; then
+ AC_MSG_ERROR(rl_echo_signal_char() is required (install readline6?))
+ fi
+
READLINE_LIBS="$ax_cv_lib_readline"
AC_SUBST(READLINE_LIBS)
])dnl