Make environment.c more portable

[exim.git] / src / src / readconf.c

diff --git a/src/src/readconf.c b/src/src/readconf.c
index cf5f069e90b418a65a776002b8547e4d5d1ca8a2..92160c8f28dc41cbf71d6de33b55cb9218a4d507 100644 (file)
--- a/src/src/readconf.c
+++ b/src/src/readconf.c
@@ -15,6 +15,13 @@ static void fn_smtp_receive_timeout(const uschar * name, const uschar * str);
 static void save_config_line(const uschar* line);
 static void save_config_position(const uschar *file, int line);
 static void print_config(BOOL admin);
+/* glibc seems to define environ as a macro, we can use this to check
+it's existence. And, if we declare environ a 2nd time, it shouldn't
+harm */
+#ifndef environ
+extern char **environ;
+#endif
+
 
 #define CSTATE_STACK_SIZE 10