Checking for minimum tesseract version, rather than an explicit match

src/openalpr/support/version.cpp

@@ -0,0 +1,30 @@
+#include "version.h"
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <iostream>
+int cmpVersion(const char *v1, const char *v2)
+{
+    int i;
+    int oct_v1[4], oct_v2[4];
+    
+    for (int i = 0; i < 4; i++)
+    {
+      oct_v1[i] = 0;
+      oct_v2[i] = 0;
+    }
+    
+    sscanf(v1, "%d.%d.%d.%d", &oct_v1[0], &oct_v1[1], &oct_v1[2], &oct_v1[3]);
+    sscanf(v2, "%d.%d.%d.%d", &oct_v2[0], &oct_v2[1], &oct_v2[2], &oct_v2[3]);
+
+    
+    for (i = 0; i < 4; i++) {
+        if (oct_v1[i] > oct_v2[i])
+            return 1;
+        else if (oct_v1[i] < oct_v2[i])
+            return -1;
+    }
+
+    return 0;
+}