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-rw-r--r--lib/test_server/src/configure.in18
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/test_server/src/configure.in b/lib/test_server/src/configure.in
index cd723bcd4d..8398825d95 100644
--- a/lib/test_server/src/configure.in
+++ b/lib/test_server/src/configure.in
@@ -357,7 +357,23 @@ AC_CHECK_FUNCS(usleep)
# First check if the library is available, then if we can choose between
# two versions of gethostbyname
AC_HAVE_LIBRARY(resolv)
-AC_CHECK_LIB(resolv, res_gethostbyname,[DEFS="$DEFS -DHAVE_RES_GETHOSTBYNAME=1"])
+AC_CHECK_LIB(resolv, res_gethostbyname,[AC_DEFINE(HAVE_RES_GETHOSTBYNAME,1)])
+
+#--------------------------------------------------------------------
+# Check for isfinite
+#--------------------------------------------------------------------
+
+AC_MSG_CHECKING([for isfinite])
+AC_TRY_LINK([#include <math.h>],
+ [isfinite(0);], have_isfinite=yes, have_isfinite=no)
+
+if test $have_isfinite = yes; then
+ AC_DEFINE(HAVE_ISFINITE,1)
+ AC_MSG_RESULT(yes)
+else
+ AC_DEFINE(HAVE_FINITE,1)
+ AC_MSG_RESULT(no)
+fi
#--------------------------------------------------------------------
# Emulator compatible flags (for drivers)