Avoid compilation error due to MacOS X 10.5 gcc cross-compilation bug.

[gnulib.git] / tests / test-sprintf-posix.h

diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h
index 3caf49f..5fb9250 100644 (file)
--- a/tests/test-sprintf-posix.h
+++ b/tests/test-sprintf-posix.h
@@ -32,8 +32,14 @@ have_minus_zero ()
 double zerod = 0.0;
 
 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zerol instead.  */
+   So we use minus_zerol instead.
+   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
 long double minus_zerol = -LDBL_MIN * LDBL_MIN;
+#else
+long double minus_zerol = -0.0L;
+#endif
 
 /* Representation of an 80-bit 'long double' as an initializer for a sequence
    of 'unsigned int' words.  */