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-rw-r--r--libm/w_hypotl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libm/w_hypotl.c b/libm/w_hypotl.c
index ebbb1a1c0..7268c2488 100644
--- a/libm/w_hypotl.c
+++ b/libm/w_hypotl.c
@@ -25,7 +25,7 @@
long double
hypotl(long double x, long double y)
{
-# if __UCLIBC_HAS_FENV__
+# if defined(__UCLIBC_HAS_FENV__)
long double z;
z = (long double) __ieee754_hypot((double) x, (double) y);
if(__builtin_expect(!isfinite(z), 0)