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-rw-r--r--libm/w_expl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libm/w_expl.c b/libm/w_expl.c
index 61eef0f94..26aedf4c4 100644
--- a/libm/w_expl.c
+++ b/libm/w_expl.c
@@ -24,7 +24,7 @@
long double
expl (long double x)
{
-# if __UCLIBC_HAS_FENV__
+# if defined(__UCLIBC_HAS_FENV__)
long double z = (long double) __ieee754_exp ((double) x);
if (__builtin_expect (!isfinite (z) || z == 0, 0)
&& isfinite (x) && _LIB_VERSION != _IEEE_)