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-rw-r--r--libraries/base/include/HsBase.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libraries/base/include/HsBase.h b/libraries/base/include/HsBase.h
index d55ec0747a..12edce964d 100644
--- a/libraries/base/include/HsBase.h
+++ b/libraries/base/include/HsBase.h
@@ -465,7 +465,7 @@ INLINE int __hscore_sig_setmask( void )
#endif
}
-#if !defined(_WIN32)
+#if !defined(_WIN32) && defined(HAVE_SIGNAL_H)
INLINE size_t __hscore_sizeof_siginfo_t (void)
{
return sizeof(siginfo_t);