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diff configure.in @ 5098:ab4e64f92526

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[project @ 2004-12-18 15:04:20 by jwe]
author jwe
date Sat, 18 Dec 2004 15:04:20 +0000
parents 1bf9abc0256b
children 5fa9670b5956
line wrap: on
line diff
--- a/configure.in	Wed Dec 15 18:34:02 2004 +0000
+++ b/configure.in	Sat Dec 18 15:04:20 2004 +0000
@@ -29,7 +29,7 @@
 EXTERN_CXXFLAGS="$CXXFLAGS"
 
 AC_INIT
-AC_REVISION($Revision: 1.458 $)
+AC_REVISION($Revision: 1.459 $)
 AC_PREREQ(2.57)
 AC_CONFIG_SRCDIR([src/octave.cc])
 AC_CONFIG_HEADER(config.h)
@@ -38,6 +38,8 @@
   
 OCTAVE_HOST_TYPE
 
+AC_GNU_SOURCE
+
 AC_AIX
 AC_MINIX
 AC_ISC_POSIX
@@ -1153,6 +1155,7 @@
   ;;
   *)
     AC_CHECK_FUNCS(finite isnan isinf copysign signbit)
+    AC_CHECK_DECLS(signbit, , , [#include <math.h>])
   ;;
 esac