X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ceill.c;h=d1f0266c5ae3871c5a832bfc03794768c1ec5f86;hb=fd970ddf7fa72fa672383527aec84f71c061a232;hp=2fa6ca12d7491ee1d9678b27f21ce9cf561a08c9;hpb=ea0f5bf6444c14f97c069b5da723781ecb8a84aa;p=gnulib.git

diff --git a/tests/test-ceill.c b/tests/test-ceill.c
index 2fa6ca12d..d1f0266c5 100644
--- a/tests/test-ceill.c
+++ b/tests/test-ceill.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards positive infinity.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -40,8 +40,20 @@
   while (0)
 
 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zero instead.  */
-long double minus_zero = -LDBL_MIN * LDBL_MIN;
+   So we use minus_zero instead.
+   IRIX cc can't put -0.0L into .data, but can compute at runtime.
+   Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
+   platforms, such as when cross-compiling to PowerPC on MacOS X 10.5.  */
+#if defined __hpux || defined __sgi
+static long double
+compute_minus_zero (void)
+{
+  return -LDBL_MIN * LDBL_MIN;
+}
+# define minus_zero compute_minus_zero ()
+#else
+long double minus_zero = -0.0L;
+#endif
 
 int
 main ()