Hi jonathan; Thanks for replay, i agree your point my question when i compile my code with below system *gcc version 4.1.2 20080704 (Red Hat 4.1.2-55) * *ldd (GNU libc) 2.5* its compiling without any error and warning, but same code if try compile with below system *gcc version 4.8.5 20150623 (Red Hat 4.8.5-28) (GCC) * *ldd (GNU libc) 2.17* its giving error why is that, any backward comparability is there. i mean any deprecated method is in new version, if yes what are deprecated method and where i can see the list On Sat, Jul 7, 2018 at 1:20 AM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On Fri, 6 Jul 2018 at 20:46, Vahith .j <vahith@xxxxxxxxx> wrote: > > > > Hi > > Can you tell me any code change required when we are migrating from gcc > > 4.1.x version to gcc 4.8.x and any reference link for migrating code to > new > > compiler > > I already told you: remove the bad declaration of getline. > > This is not a general "migrating from gcc 4.1.x version to gcc 4.8.x > problem". > > It compiled previously, maybe by chance or maybe because you had a > different glibc, which is not part of gcc, and so nothing to do with > migrating to a newer gcc. For whatever reason, now it doesn't compile, > because there are two different declarations for getline. > > getline is a standard function, defined by POSIX, so it will be > defined by <stdio.h> and any code that includes <stdio.h> cannot > declare a different function called getline. > > So as I already said, remove the bad declaration. Rename it, or remove > it, or whatever you need to. But you have to fix it. > > > > > > > > > > > On Friday, July 6, 2018, Vahith .j <vahith@xxxxxxxxx> wrote: > > > > > Hi All G'Day., > > > > > > i am facing one issue when migrating my code to gcc 4.1 to 4.8, can you > > > provide step to take for migration.. > > > > > > *problems facing: * > > > when i use gmake command on the my cpp code in gcc 4.1, it compiles > fine > > > and executing but same code when i using in gcc 4.8 version its giving > > > below exception can you explain cause and solution for same > > > > > > error: > > > *cc -c -o include.o include.c* > > > *In file included from include.c:30:0:* > > > *def.h:131:9: error: conflicting types for ‘getline’* > > > * char getline();* > > > * ^* > > > *In file included from def.h:31:0,* > > > * from include.c:30:* > > > */usr/include/stdio.h:678:20: note: previous declaration of ‘getline’ > was > > > here* > > > * extern IO_ssize_t getline (char restrict _lineptr,* > > > > > > > > > > > > Thanks in Advance > > > vahith.j > > > > > > > > > > -- > > regards > > vahith.j >
