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Date: Fri, 31 Oct 2014 11:07:25 -0700
From: Isaac Dunham <ibid.ag@...il.com>
To: musl@...ts.openwall.com
Cc: Isaac Dunham <ibid.ag@...il.com>
Subject: [PATCH] Error when built with -ffast-math.
There was a bug report from someone who turned it on without knowing this.
---
src/internal/libm.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/internal/libm.h b/src/internal/libm.h
index ebcd784..f8afe5d 100644
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -19,6 +19,10 @@
#include <complex.h>
#include <endian.h>
+#ifdef __FAST_MATH__
+#error Using -ffast-math to compile libc will break
+#endif
+
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && __BYTE_ORDER == __LITTLE_ENDIAN
union ldshape {
--
2.1.2
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