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-rw-r--r--src/math.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/math.c b/src/math.c
index 1de9c0d8f..3898146b6 100644
--- a/src/math.c
+++ b/src/math.c
@@ -5,6 +5,8 @@
*/
#include "mruby.h"
+
+#ifdef INCLUDE_MATH
#include <math.h>
#define domain_error(msg) \
@@ -679,3 +681,4 @@ mrb_init_math(mrb_state *mrb)
mrb_define_module_function(mrb, mrb_math, "erf", math_erf, ARGS_REQ(1));
mrb_define_module_function(mrb, mrb_math, "erfc", math_erfc, ARGS_REQ(1));
}
+#endif /* INCLUDE_MATH */