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[test.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a42b0e50dca1828b624f1bec5e54433f259ef361..70ffbc4c71f7a69304bdd1b7192f01e1aa3933f0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.57)
 
 dnl This is the one location where the authoritative version number is stored
 AC_INIT(shellinabox, 2.10, markus@shellinabox.com)
-VCS_REVISION=200
+VCS_REVISION=202
 AC_SUBST(VCS_REVISION)
 AC_DEFINE_UNQUOTED(VCS_REVISION, "${VCS_REVISION}",
                    [Most recent revision number in the version control system])
@@ -55,6 +55,12 @@ AC_TRY_LINK([#include <pthread.h>
             [AC_DEFINE(HAVE_SIGWAIT, 1,
                        Define to 1 if you have a working sigwait)])
 
+dnl Not every system has support for isnan()
+AC_TRY_LINK([#include <math.h>],
+            [isnan(0.0);],
+            [AC_DEFINE(HAVE_ISNAN, 1,
+                       Define to 1 if you have support for isnan)])
+
 dnl On some systems, calling /bin/login does not work. Disable the LOGIN
 dnl feature, if the user tells us that it does not do the right thing.
 AC_ARG_ENABLE(login,