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-rw-r--r--libm/w_log2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libm/w_log2.c b/libm/w_log2.c
index 08433bd0c..15df7977d 100644
--- a/libm/w_log2.c
+++ b/libm/w_log2.c
@@ -18,7 +18,7 @@
#include <math.h>
#include "math_private.h"
-#if __UCLIBC_HAS_FENV__
+#if defined(__UCLIBC_HAS_FENV__)
#include <fenv.h>
#endif
@@ -26,7 +26,7 @@
double
log2 (double x)
{
-#if __UCLIBC_HAS_FENV__
+#if defined(__UCLIBC_HAS_FENV__)
if (__builtin_expect (islessequal (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
{
if (x == 0.0)