libm: disable tail jump trick if __SSP_ALL__ (was using wrong conditi…

…onal) Thanks, Timo! Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
m-labs · Oct 31, 2010 · 4d537e8 · 4d537e8
1 parent 8b34cac
commit 4d537e8
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diff --git a/docs/defines.txt b/docs/defines.txt
@@ -79,3 +79,7 @@ _IEEE_LIBM
     Always defined at libm build time
 __LDBL_COMPAT
     Never defined, TODO: remove?
+
+__SSP_ALL__
+    All functions, even small ones, have stack smashing protection
+    prologue enabled.
diff --git a/libm/ldouble_wrappers.c b/libm/ldouble_wrappers.c
@@ -37,7 +37,7 @@ long long func##l(long double x) \
 	return func((double) x); \
 }
 
-#if defined __i386__ && defined __OPTIMIZE__ && !defined __UCLIBC_HAS_SSP__
+#if defined __i386__ && defined __OPTIMIZE__ && !defined __SSP_ALL__
 # undef WRAPPER1
 # undef int_WRAPPER1
 # undef long_WRAPPER1