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-rw-r--r--nuttx/lib/math/lib_expl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/lib/math/lib_expl.c b/nuttx/lib/math/lib_expl.c
index cd5e6a500..053103c9b 100644
--- a/nuttx/lib/math/lib_expl.c
+++ b/nuttx/lib/math/lib_expl.c
@@ -37,7 +37,7 @@
#include "lib_internal.h"
-#if CONFIG_HAVE_LONG_DOUBLE
+#ifdef CONFIG_HAVE_LONG_DOUBLE
/************************************************************************
* Private Data