diff --git a/components/utility/genann/origin.patch b/components/utility/genann/origin.patch
new file mode 100644
index 0000000000000000000000000000000000000000..94da110307dffc387f68079bae2a5ae2d9fb9998
--- /dev/null
+++ b/components/utility/genann/origin.patch
@@ -0,0 +1,39 @@
+diff --git a/genann-1.0.0/example1.c b/genann-1.0.0_m/example1.c
+index d3f3b4e..399cf27 100644
+--- a/genann-1.0.0/example1.c
++++ b/genann-1.0.0/example1.c
+@@ -3,7 +3,7 @@
+ #include <time.h>
+ #include "genann.h"
+ 
+-int main(int argc, char *argv[])
++int GenannDemoBackpropagation(void)
+ {
+     printf("GENANN example 1.\n");
+     printf("Train a small ANN to the XOR function using backpropagation.\n");
+diff --git a/genann-1.0.0/example2.c b/genann-1.0.0_m/example2.c
+index fe63569..a5c92b2 100644
+--- a/genann-1.0.0/example2.c
++++ b/genann-1.0.0/example2.c
+@@ -4,7 +4,7 @@
+ #include <math.h>
+ #include "genann.h"
+ 
+-int main(int argc, char *argv[])
++int GenannDemoRandomSerch(void)
+ {
+     printf("GENANN example 2.\n");
+     printf("Train a small ANN to the XOR function using random search.\n");
+diff --git a/genann-1.0.0/genann.h b/genann-1.0.0_m/genann.h
+index e4b7383..6d43f9c 100644
+--- a/genann-1.0.0/genann.h
++++ b/genann-1.0.0/genann.h
+@@ -100,6 +100,8 @@ double genann_act_sigmoid_cached(const genann *ann, double a);
+ double genann_act_threshold(const genann *ann, double a);
+ double genann_act_linear(const genann *ann, double a);
+ 
++int GenannDemoBackpropagation(void);
++int GenannDemoRandomSerch(void);
+ 
+ #ifdef __cplusplus
+ }
diff --git a/components/utility/genann/patch.sha256 b/components/utility/genann/patch.sha256
new file mode 100644
index 0000000000000000000000000000000000000000..81d7dbc781a62dce228d4733c7b34823c55e7a48
--- /dev/null
+++ b/components/utility/genann/patch.sha256
@@ -0,0 +1 @@
+8431e9836039b6d9501bae75e7e99bd537b3519433b360f83ad18b70f8dfa78d  origin.patch
diff --git a/components/utility/genann/src.sha256 b/components/utility/genann/src.sha256
new file mode 100644
index 0000000000000000000000000000000000000000..ae4c0f6876b601d944a0af6a6e5189ae6aa72d99
--- /dev/null
+++ b/components/utility/genann/src.sha256
@@ -0,0 +1 @@
+af0eb80559f3ebcfaf214631dcc931ed974a34dbac83c0fa6c9a82ce8e950f95  genann-1.0.0.zip