In file included from /home/jaya/src/gitrepo/php-git-function/php_git2.h:36:0,
                 from /home/jaya/src/gitrepo/php-git-function/reference.c:1:
/opt/apache22/php/5.4/include/php/main/php.h:268:15: warning: redundant redeclaration of ‘environ’ [-Wredundant-decls]
 extern char **environ;
               ^
In file included from /opt/apache22/php/5.4/include/php/main/php.h:166:0,
                 from /home/jaya/src/gitrepo/php-git-function/php_git2.h:36,
                 from /home/jaya/src/gitrepo/php-git-function/reference.c:1:
/usr/include/unistd.h:545:15: note: previous declaration of ‘environ’ was here
 extern char **environ;
               ^
In file included from /opt/apache22/php/5.4/include/php/main/php.h:38:0,
                 from /home/jaya/src/gitrepo/php-git-function/php_git2.h:36,
                 from /home/jaya/src/gitrepo/php-git-function/reference.c:1:
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:65:23: warning: redundant redeclaration of ‘zif_clearstatcache’ [-Wredundant-decls]
 #define ZEND_FN(name) zif_##name
                       ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:67:41: note: in definition of macro ‘ZEND_NAMED_FUNCTION’
 #define ZEND_NAMED_FUNCTION(name)  void name(INTERNAL_FUNCTION_PARAMETERS)
                                         ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:68:52: note: in expansion of macro ‘ZEND_FN’
 #define ZEND_FUNCTION(name)    ZEND_NAMED_FUNCTION(ZEND_FN(name))
                                                    ^
/opt/apache22/php/5.4/include/php/main/php.h:345:24: note: in expansion of macro ‘ZEND_FUNCTION’
 #define PHP_FUNCTION   ZEND_FUNCTION
                        ^
/opt/apache22/php/5.4/include/php/ext/standard/php_filestat.h:62:1: note: in expansion of macro ‘PHP_FUNCTION’
 PHP_FUNCTION(clearstatcache);
 ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:65:23: note: previous declaration of ‘zif_clearstatcache’ was here
 #define ZEND_FN(name) zif_##name
                       ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:67:41: note: in definition of macro ‘ZEND_NAMED_FUNCTION’
 #define ZEND_NAMED_FUNCTION(name)  void name(INTERNAL_FUNCTION_PARAMETERS)
                                         ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:68:52: note: in expansion of macro ‘ZEND_FN’
 #define ZEND_FUNCTION(name)    ZEND_NAMED_FUNCTION(ZEND_FN(name))
                                                    ^
/opt/apache22/php/5.4/include/php/main/php.h:345:24: note: in expansion of macro ‘ZEND_FUNCTION’
 #define PHP_FUNCTION   ZEND_FUNCTION
                        ^
/opt/apache22/php/5.4/include/php/ext/standard/php_filestat.h:29:1: note: in expansion of macro ‘PHP_FUNCTION’
 PHP_FUNCTION(clearstatcache);
 ^
/home/jaya/src/gitrepo/php-git-function/reference.c: In function ‘zif_git_reference_target_peel’:
/home/jaya/src/gitrepo/php-git-function/reference.c:233:6: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
  oid = git_reference_target_peel(PHP_GIT2_V(_ref, reference));
      ^
/home/jaya/src/gitrepo/php-git-function/reference.c: In function ‘zif_git_reference_type’:
/home/jaya/src/gitrepo/php-git-function/reference.c:272:9: error: incompatible types when assigning to type ‘enum git_ref_t *’ from type ‘git_ref_t’
  result = git_reference_type(PHP_GIT2_V(_ref, reference));
         ^
In file included from /opt/apache22/php/5.4/include/php/main/php.h:38:0,
                 from /home/jaya/src/gitrepo/php-git-function/php_git2.h:36,
                 from /home/jaya/src/gitrepo/php-git-function/reference.c:1:
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:560:17: warning: assignment makes integer from pointer without a cast [enabled by default]
   Z_LVAL_P(__z) = l;   \
                 ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:616:29: note: in expansion of macro ‘ZVAL_LONG’
 #define RETVAL_LONG(l)      ZVAL_LONG(return_value, l)
                             ^
/opt/apache22/php/5.4/include/php/Zend/zend_API.h:628:31: note: in expansion of macro ‘RETVAL_LONG’
 #define RETURN_LONG(l)      { RETVAL_LONG(l); return; }
                               ^
/home/jaya/src/gitrepo/php-git-function/reference.c:273:2: note: in expansion of macro ‘RETURN_LONG’
  RETURN_LONG(result);
  ^
make: *** [reference.lo] Error 1