Avoid gnulib getline module.

[cdecl99.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 645e871f4a2db4ab7b98913dca00cb70d5902fcd..435eaf9b004482c3e232ac081642ac7ae1859d24 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-dnl Copyright © 2011-2013, 2020-2023 Nick Bowler
+dnl Copyright © 2011-2013, 2020-2024 Nick Bowler
 dnl
 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
 dnl This is free software: you are free to do what the fuck you want to.
@@ -110,5 +110,16 @@ AH_BOTTOM([#include <conf_post.h>])
 AC_CONFIG_TESTDIR([.], [t:.])
 DX_PROG_AUTOTEST_AM
 
+AC_CACHE_CHECK([for getline], [dx_cv_have_getline],
+  [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>
+], [ssize_t (*x)() = getline;
+char *p = 0;
+size_t n = 0;
+return getline(&p, &n, stdin);
+])], [dx_cv_have_getline=yes], [dx_cv_have_getline=no])])
+AS_CASE([$dx_cv_have_getline], [yes],
+  [AC_DEFINE([HAVE_GETLINE], [1],
+    [Define to 1 if the getline function is available.])])
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT