Description:
------------
when i run make command giving showing the error and extension not generating 

Expected result:
----------------
Generated extension .so file

Actual result:
--------------
/bin/bash /xhprof-0.9.2/extension/libtool --mode=compile cc  -I. -I/xhprof-
0.9.2/extension -DPHP_ATOM_INC -I/xhprof-0.9.2/extension/include -I/xhprof-
0.9.2/extension/main -I/xhprof-0.9.2/extension -I/usr/include/php5 -
I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -
I/usr/include/php5/ext -I/usr/include/php5/ext/date/lib -D_LARGEFILE_SOURCE -
D_FILE_OFFSET_BITS=64  -DHAVE_CONFIG_H  -g -O2   -c /xhprof-
0.9.2/extension/xhprof.c -o xhprof.lo 
libtool: compile:  cc -I. -I/xhprof-0.9.2/extension -DPHP_ATOM_INC -I/xhprof-
0.9.2/extension/include -I/xhprof-0.9.2/extension/main -I/xhprof-0.9.2/extension 
-I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -
I/usr/include/php5/Zend -I/usr/include/php5/ext -I/usr/include/php5/ext/date/lib 
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DHAVE_CONFIG_H -g -O2 -c /xhprof-
0.9.2/extension/xhprof.c  -fPIC -DPIC -o .libs/xhprof.o
/xhprof-0.9.2/extension/xhprof.c:236:1: warning: 'visibility' attribute ignored 
[-Wattributes]
/xhprof-0.9.2/extension/xhprof.c:240:28: warning: 'visibility' attribute ignored 
[-Wattributes]
/xhprof-0.9.2/extension/xhprof.c: In function 'hp_get_function_name':
/xhprof-0.9.2/extension/xhprof.c:898:10: warning: assignment discards 'const' 
qualifier from pointer target type [enabled by default]
/xhprof-0.9.2/extension/xhprof.c:909:13: warning: assignment discards 'const' 
qualifier from pointer target type [enabled by default]
/xhprof-0.9.2/extension/xhprof.c:911:13: warning: assignment discards 'const' 
qualifier from pointer target type [enabled by default]
/xhprof-0.9.2/extension/xhprof.c:930:34: error: 'znode_op' has no member named 
'u'
/xhprof-0.9.2/extension/xhprof.c:963:9: warning: passing argument 1 of 
'hp_get_base_filename' discards 'const' qualifier from pointer target type 
[enabled by default]
/xhprof-0.9.2/extension/xhprof.c:856:14: note: expected 'char *' but argument is 
of type 'const char *'
/xhprof-0.9.2/extension/xhprof.c: In function 'hp_execute_internal':
/xhprof-0.9.2/extension/xhprof.c:1650:24: error: 'znode_op' has no member named 
'u'
/xhprof-0.9.2/extension/xhprof.c:1651:59: error: 'struct <anonymous>' has no 
member named 'return_reference'
/xhprof-0.9.2/extension/xhprof.c:1652:25: error: 'znode_op' has no member named 
'u'
/xhprof-0.9.2/extension/xhprof.c: In function 'hp_compile_file':
/xhprof-0.9.2/extension/xhprof.c:1683:3: warning: passing argument 1 of 
'hp_get_base_filename' discards 'const' qualifier from pointer target type 
[enabled by default]
/xhprof-0.9.2/extension/xhprof.c:856:14: note: expected 'char *' but argument is 
of type 'const char *'
make: *** [xhprof.lo] Error 1