I'm not using C++ compile - from CMake setting

include/openGJK/openGJK.h

@@ -23,7 +23,7 @@
 /**
  * @file openGJK.h
  * @author Mattia Montanari
- * @date 1 Jan 2022
+ * @date 1 Jan 2023
  * @brief Main interface of OpenGJK containing quick reference and API documentation.
  *
  * @see https://www.mattiamontanari.com/opengjk/
@@ -32,10 +32,6 @@
 #ifndef OPENGJK_H__
 #define OPENGJK_H__
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /*! @brief Precision of floating-point numbers.
  *
  * Default is set to 64-bit (Double). Change this to quickly play around with 16- and 32-bit. */
@@ -65,8 +61,4 @@ typedef struct gkSimplex_ {
    * The simplex has to be initialised prior the call to this function. */
 gkFloat compute_minimum_distance(const gkPolytope p_, const gkPolytope q_, gkSimplex* s_);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif // OPENGJK_H__