use macro AC_AIX to define `_ALL_SOURCE', if on AIX.

diff --git a/configure.ac b/configure.ac
index fc8ac4bd42778169f019ef21fb8b2cdf8953a824..0165c5e902263c8e9b9edb612932675068c2e65d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -7,6 +7,7 @@ AM_CONFIG_HEADER(config.h)
 AM_MAINTAINER_MODE
 AM_INIT_AUTOMAKE(c-ares, CVS)
 
+AC_AIX
 AC_PROG_CC
 AC_PROG_INSTALL