Fix compat with cmake 3.19.4

Author: fspindle

CMakeLists.txt

@@ -13,7 +13,7 @@ project(visp_started)
 set(PROJECT_INCLUDE_PREFIX "my")
 
 #-----------------------------------------------------------------------------
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.0)
 
 #-----------------------------------------------------------------------------
 # Project version number. An even minor number corresponds to releases.
@@ -74,7 +74,7 @@ set(BINARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
 # ViSP
 find_package(VISP REQUIRED)
 if(VISP_FOUND)
-  include(${VISP_USE_FILE})
+#  include(${VISP_USE_FILE})
 endif()
 
 #----------------------------------------------------------------------

example/foo/foo.cpp

@@ -1,15 +1,16 @@
 //! \example foo.cpp Provided example.
 #include <iostream>
 
-#include <visp/vpImage.h>
+//#include <visp/vpImage.h>
 
 #include <my/myFoo.h>
 
 int main()
 {
   std::cout << "Call the constructors..." << std::endl;
   myFoo foo;
-  vpImage<unsigned char> I;
+  foo.setFlag(true);
+  //vpImage<unsigned char> I;
   std::cout << "The end." << std::endl;
 
   return 0;

src/foo/myFoo.h

@@ -31,12 +31,14 @@ class EXPORT myFoo
   //! Set flag value.
   inline void setFlag(const bool &flag) {
     m_flag = flag;
+    m_test[0] = 1;
   }
 
   friend EXPORT bool operator==( const myFoo &t1, const myFoo &t2 );
 
 protected:
   bool m_flag; //!< Parameter used for...
+  int *m_test;
 };
 
 #endif