https://community.hpe.com/t5/operating-system-linux/compilation-error-while-migrating-from-hp-cc-to-acc-compiler/m-p/2845777#M101543 Hi , <BR />I am facing a problem when I am compling my existing code , previously compiled with HP cfront compiler, with the aCC compiler.I am getting the warning <BR />Warning (anachronism) 823: preprocessing concatenation operation results in two valid preprocessing tokens. Depending on this implementation defined behavior will result in non-portable code.<BR /> #define RPCServer(s,v,m) &amp;##s##_v##v##_##m##_s_ifspec<BR /><BR />Could you pl let me know the option used for concatenation in aCC..<BR /><BR />Thanks<BR />Preethi Fri, 15 Nov 2002 13:47:29 GMT Preethi Vishwanath 2002-11-15T13:47:29Z https://community.hpe.com/t5/operating-system-linux/compilation-error-while-migrating-from-hp-cc-to-acc-compiler/m-p/2845777#M101543 Hi , <BR />I am facing a problem when I am compling my existing code , previously compiled with HP cfront compiler, with the aCC compiler.I am getting the warning <BR />Warning (anachronism) 823: preprocessing concatenation operation results in two valid preprocessing tokens. Depending on this implementation defined behavior will result in non-portable code.<BR /> #define RPCServer(s,v,m) &amp;##s##_v##v##_##m##_s_ifspec<BR /><BR />Could you pl let me know the option used for concatenation in aCC..<BR /><BR />Thanks<BR />Preethi Fri, 15 Nov 2002 13:47:29 GMT https://community.hpe.com/t5/operating-system-linux/compilation-error-while-migrating-from-hp-cc-to-acc-compiler/m-p/2845777#M101543 Preethi Vishwanath 2002-11-15T13:47:29Z https://community.hpe.com/t5/operating-system-linux/compilation-error-while-migrating-from-hp-cc-to-acc-compiler/m-p/2845778#M101544 Warning 823 is trying to tell you that you can't use ## to concatenate strings that will not create a single pp token. For example you can't use it on:<BR /> abc ## ::<BR /><BR />The solution is to remove the "##". Thu, 09 Mar 2006 05:41:20 GMT https://community.hpe.com/t5/operating-system-linux/compilation-error-while-migrating-from-hp-cc-to-acc-compiler/m-p/2845778#M101544 Dennis Handly 2006-03-09T05:41:20Z