diff --git a/liba/Makefile b/liba/Makefile
index 3fa08a42e..427b1b432 100644
--- a/liba/Makefile
+++ b/liba/Makefile
@@ -2,5 +2,5 @@ SFLAGS += -Iliba/include
 
 liba/src/external/sqlite/mem5.o: CFLAGS += -w
 
-objs += $(addprefix liba/src/, assert.o errno.o malloc.o memcpy.o memset.o strcmp.o strlen.o external/sqlite/mem5.o)
+objs += $(addprefix liba/src/, assert.o errno.o malloc.o memcpy.o memset.o powf.o strcmp.o strlen.o external/sqlite/mem5.o)
 tests += $(addprefix liba/test/, stdint.c)
diff --git a/liba/include/math.h b/liba/include/math.h
new file mode 100644
index 000000000..83aa8a33e
--- /dev/null
+++ b/liba/include/math.h
@@ -0,0 +1,12 @@
+#ifndef LIBA_ASSERT_H
+#define LIBA_ASSERT_H
+
+#include "private/macros.h"
+
+LIBA_BEGIN_DECLS
+
+float powf(float x, float y);
+
+LIBA_END_DECLS
+
+#endif
diff --git a/liba/src/powf.c b/liba/src/powf.c
new file mode 100644
index 000000000..b3b235fe9
--- /dev/null
+++ b/liba/src/powf.c
@@ -0,0 +1,3 @@
+float powf(float x, float y) {
+  return 1.0f; // TODO: do this for real
+}