Fix build for systems that don't provide POSIX.1-2001 by default

[empserver] / src / client / configure.ac

diff --git a/src/client/configure.ac b/src/client/configure.ac
index d701a22931fc2f85be432142477b2bddf52ee472..76268544322adde27c317a22fb4dc67e6bab886d 100644 (file)
--- a/src/client/configure.ac
+++ b/src/client/configure.ac
@@ -27,7 +27,7 @@
 #   configure.ac: Autoconf input file
 #
 #   Known contributors to this file:
-#      Markus Armbruster, 2005-2016
+#      Markus Armbruster, 2005-2020
 #
 # Process this file with autoconf to produce a configure script.
 
@@ -44,6 +44,9 @@ AC_INIT([Wolfpack Empire Client],
 AC_CONFIG_SRCDIR([empire.6])
 AC_CONFIG_HEADERS([config.h])
 
+AC_DEFINE([_XOPEN_SOURCE], [600],
+         [Request POSIX-1.2001 with XSI Extension])
+
 
 ### Checks for programs.
 AC_PROG_CC
@@ -76,7 +79,7 @@ fi
 
 ### Checks for library functions.
 
-AC_CHECK_FUNCS(getaddrinfo getpass)
+AC_CHECK_FUNCS(getaddrinfo)
 
 
 ### Site configuration