Nginx problem while upgrading

hello
i was trying to update nginx to 1.7.9 (currently 1.7.7) and i failed to do so
i tried with run yum installs and with but in both cases it failed

Spoiler

cc1: warnings being treated as errors
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_fastcgi_cache_purge_conf':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:275: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:275: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:292: error: assignment makes integer from pointer without a cast
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:293: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_fastcgi_cache_purge_handler':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:324: error: invalid type argument of '->' (have 'int')
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_proxy_cache_purge_conf':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:464: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:464: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:481: error: assignment makes integer from pointer without a cast
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:482: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_proxy_cache_purge_handler':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:513: error: invalid type argument of '->' (have 'int')
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_scgi_cache_purge_conf':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:595: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:595: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:612: error: assignment makes integer from pointer without a cast
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:613: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_scgi_cache_purge_handler':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:644: error: invalid type argument of '->' (have 'int')
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_uwsgi_cache_purge_conf':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:749: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:749: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:766: error: assignment makes integer from pointer without a cast
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:767: error: comparison between pointer and integer
../ngx_cache_purge-2.2/ngx_cache_purge_module.c: In function 'ngx_http_uwsgi_cache_purge_handler':
../ngx_cache_purge-2.2/ngx_cache_purge_module.c:798: error: invalid type argument of '->' (have 'int')
make[1]: *** [objs/addon/ngx_cache_purge-2.2/ngx_cache_purge_module.o] Error 1
make[1]: Leaving directory `/svr-setup/nginx-1.7.9'
make: *** [build] Error 2

real 2m0.676s
user 1m10.422s
sys 0m15.996s
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Mon Jan 12 14:32:55 UTC 2015
Error: 2, Nginx make failed

this is the message it get

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