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Build libiio on petalinux 2017.4

		
	
				

			

									
					    sonminh
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Oct 30, 2018 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
		    			
    
			    
    Hi all,
    

    I'm trying to cross compile libiio using the petalinux tool chain, I'm having issues with the libxml2 although I have enabled libxml2 in rootfs config.
    

    Please help me.
    

    [ 2%] Building C object CMakeFiles/iio.dir/xml.c.o
    cc1: warning: include location "/usr/include/libxml2" is unsafe for cross-compilation [-Wpoison-system-directories]
    In file included from /usr/include/libxml2/libxml/parser.h:810:0,
     from /usr/include/libxml2/libxml/globals.h:18,
     from /usr/include/libxml2/libxml/threads.h:35,
     from /usr/include/libxml2/libxml/xmlmemory.h:218,
     from /usr/include/libxml2/libxml/tree.h:1307,
     from /home/ubuntu64b/Desktop/libiio/xml.c:23:
    /usr/include/libxml2/libxml/encoding.h:31:26: fatal error: unicode/ucnv.h: No such file or directory
     #include <unicode/ucnv.h>
     ^
    compilation terminated.
    CMakeFiles/iio.dir/build.make:302: recipe for target 'CMakeFiles/iio.dir/xml.c.o' failed
    make[2]: *** [CMakeFiles/iio.dir/xml.c.o] Error 1
    CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/iio.dir/all' failed
    make[1]: *** [CMakeFiles/iio.dir/all] Error 2
    Makefile:116: recipe for target 'all' failed
    make: *** [all] Error 2
    

    Best Regards
    
			
    
			
									
		                             
                        
		
    

				
				        
        		
    
			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		
    

        
        
        
    
					
    
			
    


    
















    
	
    
	
    
					



			


				
	









	
      
	

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      •  Analog Employees  
      
            
						
                            
            
            				
            
                on Nov 2, 2018 7:13 AM
            
            
						
			            		
      
		
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      It looks like it's using the host libxml2 libs, installed on your system.
      

      And it shouldn't, because they are different than the ones in the PetaLinux system.
      

      This looks somewhat of a generic cross-build issue where the target lib seems to use the host's lib, because some cross compilation options are not specified.
      

      

      We don't have much idea about building on PetaLinux.
      

      We will take a look at this [generally] and formulate a guide for building our projects on PetaLinux.
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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