sys-file-reader: Check that multiple response set names begin with `$'.

[pspp-builds.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b06392a58670395c1790406c14b311ab98f0821f..fa1f26ca99b70f867f4c7452356a71814149db5a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -288,13 +288,21 @@ PSPP_READLINE
 dnl Checks for header files.
 AC_CHECK_HEADERS([sys/wait.h fpu_control.h ieeefp.h fenv.h pwd.h])
 
+dnl Some systems dont have SIGWINCH
+AC_CHECK_DECLS([SIGWINCH], [], [],
+          [#include <signal.h>
+          /* NetBSD declares sys_siglist in unistd.h.  */
+          #ifdef HAVE_UNISTD_H
+          # include <unistd.h>
+          #endif
+          ])
+
+
 # For gnulib.
 gl_INIT
 
 AC_C_INLINE
 
-AC_CHECK_SIZEOF(double)
-
 AC_C_BIGENDIAN
 
 AC_CHECK_FUNCS([__setfpucw fork execl execlp isinf isnan finite getpid feholdexcept fpsetmask popen round])