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Qt project with mcapi

		
	
				

			

									
					    3DeeMoN
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Oct 8, 2015 
				
			
			
		

		
		                     
				
        		

		    
		    		    
		    			

			    
Hi! I want to include MCAPI library in my Qt project. What should I do to make this?

 
I copied mcapi 2.0 headers into myproject/mcapi folder and append INCLUDEPATH += $$PWD/mcapi into .pro file. Also I appended DEPENDPATH += $$PWD/mcapi and unix:!macx: LIBS += -L$$PWD/mcapi/ -lmcapi. But I get error 

 
mainwindow.o: In function `MainWindow::on_pushButton_2_clicked()':

 
../myproject/mainwindow.cpp:(.text+0x134): undefined reference to `mcapi_initialize(unsigned int, unsigned int, attributes_t const*, int const*, mcapi_info_t*, unsigned int*)'

 
collect2: ld returned 1 exit status

			

			
									
		                             
                        
		


				
				        
        		

			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		


        
        
        
    
					

			





















	

	

					



			








	
	
	
	



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                on Oct 1, 2019 11:05 AM
            
            
												
						in reply to 3DeeMoN
					
										
			            		
    
		
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    For anyone struggling with this that needs an actual answer instead of "don't use mcapi"... you'll need to add the following lines to your .pro project file:
    

        QMAKE_CXXFLAGS += -fPIC
        QMAKE_CFLAGS += -fPIC
        QMAKE_LFLAGS += -shared -fPIC
    

    I had the same issue where libmcapi would link fine when used outside a qt project in a normal Makefile, but i was getting undefined reference errors when trying to use it in a qt project. Adding the lines above in the pro file solves the problem.
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
						
						
				
				
		
		
    
			
		
    
	
    

    

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