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-rw-r--r--math/w_exp_template.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/math/w_exp_template.c b/math/w_exp_template.c
index c0a4ec5be3..450597a2b7 100644
--- a/math/w_exp_template.c
+++ b/math/w_exp_template.c
@@ -21,6 +21,7 @@
for each floating-point type. */
#if __USE_WRAPPER_TEMPLATE
+# include <errno.h>
# include <fenv.h>
# include <math.h>
# include <math_private.h>