Hi Willy and Lukas, I tried with the solution which provided by Lukas,
the same error i found on console. Devendra Joshi 8080106035 -------------------------------------------------------------- -------------------------------------------------------------- On 4 January 2018 at 02:34, Willy Tarreau <w...@1wt.eu> wrote: > On Wed, Jan 03, 2018 at 05:39:50PM +0100, Lukas Tribus wrote: > > > src/hathreads.o: In function `thread_want_sync': > > > /softwares/haproxy-1.8.2/src/hathreads.c:75: undefined reference to > > > `__atomic_or_fetch' > > > src/hathreads.o: In function `thread_exit_sync': > > > /softwares/haproxy-1.8.2/src/hathreads.c:142: undefined reference to > > > `__atomic_and_fetch' > > > src/hathreads.o: In function `thread_sync_barrier': > > > /softwares/haproxy-1.8.2/src/hathreads.c:108: undefined reference to > > > `__atomic_compare_exchange_n' > > > /softwares/haproxy-1.8.2/src/hathreads.c:109: undefined reference to > > > `__atomic_or_fetch' > > > src/lb_map.o: In function `recalc_server_map': > > > /softwares/haproxy-1.8.2/src/lb_map.c:116: undefined reference to > > > `__atomic_add_fetch' > > > /softwares/haproxy-1.8.2/src/lb_map.c:125: undefined reference to > > > `__atomic_sub_fetch' > > > src/compression.o: In function `deinit_comp_ctx': > > > /softwares/haproxy-1.8.2/src/compression.c:199: undefined reference to > > > `__atomic_sub_fetch' > > > /softwares/haproxy-1.8.2/src/compression.c:199: undefined reference to > > > `__atomic_sub_fetch' > > > src/compression.o: In function `init_comp_ctx': > > > /softwares/haproxy-1.8.2/src/compression.c:177: undefined reference to > > > `__atomic_add_fetch' > > > /softwares/haproxy-1.8.2/src/compression.c:177: undefined reference to > > > `__atomic_add_fetch' > > > /softwares/haproxy-1.8.2/src/compression.c:177: undefined reference to > > > `__atomic_add_fetch' > > > src/compression.o: In function `alloc_zlib': > > > /softwares/haproxy-1.8.2/src/compression.c:469: undefined reference to > > > `__atomic_add_fetch' > > > src/compression.o: In function `free_zlib': > > > /softwares/haproxy-1.8.2/src/compression.c:500: undefined reference to > > > `__atomic_sub_fetch' > > > src/time.o: In function `tv_update_date': > > > /softwares/haproxy-1.8.2/src/time.c:228: undefined reference to > > > `__atomic_compare_exchange_n' > > > collect2: ld returned 1 exit status > > > make: *** [haproxy] Error 1 > > > > > > To compile Haproxy 1.8 with threads, at least GCC 4.7 is needed. > > CentOs 6 only ships GCC 4.4.7, therefor compilation fails. > > If these are the only failures, maybe we can try and see if we find > equivalent builtins for older versions. I seem to remember that most > of them have their equivalent with the __sync_* builtins on older > compilers, but there was something odd with the compare_and_swap(), > only allowing a few bits to be used or something like this. > > I've always been all for supporting older compilers exactly for the > reason above. Till very recently, gcc-2.95 was still reported to work ;-) > > Willy >
