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-rw-r--r--m4/readline.m46
1 files changed, 4 insertions, 2 deletions
diff --git a/m4/readline.m4 b/m4/readline.m4
index d2523460..2d838afb 100644
--- a/m4/readline.m4
+++ b/m4/readline.m4
@@ -30,7 +30,9 @@ AC_DEFUN([GNUPG_CHECK_READLINE],
AC_MSG_CHECKING([whether readline via \"$_combo\" is present and sane])
- AC_LINK_IFELSE(AC_LANG_PROGRAM([
+ AC_LINK_IFELSE([
+ AC_LANG([C])
+ AC_LANG_PROGRAM([
#include <stdio.h>
#include <readline/readline.h>
#include <readline/history.h>
@@ -41,7 +43,7 @@ rl_catch_signals=0;
rl_inhibit_completion=0;
rl_attempted_completion_function=NULL;
rl_completion_matches(NULL,NULL);
-]),_found_readline=yes,_found_readline=no)
+]),_found_readline=yes,_found_readline=no])
AC_MSG_RESULT([$_found_readline])