diff options
Diffstat (limited to 'm4/readline.m4')
| -rw-r--r-- | m4/readline.m4 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/m4/readline.m4 b/m4/readline.m4 index 76605af8..af2745db 100644 --- a/m4/readline.m4 +++ b/m4/readline.m4 @@ -53,7 +53,8 @@ int main(int argc, char **argv) dup(fd); line = readline("giveittome> "); - printf("got <%s>\n", line); + /* some printfs don't handle NULL for %s */ + printf("got <%s>\n", line ? line : "(NULL)"); return 0; }]]), dnl action if true: @@ -72,6 +73,12 @@ dnl action if cross compiling: AC_DEFINE(HAVE_LIBREADLINE,1, [Define to 1 if you have a fully functional readline library.]) AC_SUBST(LIBREADLINE,$_combo) + + AC_CHECK_LIB(readline, history_list, + [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])], + [], + [$_combo]) + break fi done |