Как найти причину ошибки во время компиляции с помощью make?

[root@localhost nvgpu-smi-snmp-1.1]# make
cc -g `pkg-config --cflags libxml-2.0` -g -O2 -DNETSNMP_ENABLE_IPV6 -fno-strict-aliasing -DNETSNMP_REMOVE_U64 -g -O2 -Ulinux -Dlinux=linux -I/usr/local/include -fPIC -Wall -Wstrict-prototypes   -c -o nvCtrlTable_interface.o nvCtrlTable_interface.c
In file included from nvCtrlTable_interface.c:33:
nvCtrlTable_interface.c:49:5: error: expected ‘;’ before ‘extern’
     netsnmp_feature_require(row_merge)
     ^~~~~~~~~~~~~~~~~~~~~~~
nvCtrlTable_interface.c:50:5: error: expected ‘;’ before ‘extern’
     netsnmp_feature_require(check_all_requests_error)
     ^~~~~~~~~~~~~~~~~~~~~~~
In file included from nvCtrlTable_interface.c:51:
/usr/include/ctype.h:46:1: error: expected ‘;’ before ‘enum’
 enum
 ^~~~
In file included from /usr/local/include/net-snmp/output_api.h:60,
                 from /usr/local/include/net-snmp/library/snmp_client.h:32,
                 from /usr/local/include/net-snmp/varbind_api.h:102,
                 from /usr/local/include/net-snmp/library/snmp_api.h:33,
                 from /usr/local/include/net-snmp/types.h:425,
                 from /usr/local/include/net-snmp/definitions.h:22,
                 from /usr/local/include/net-snmp/net-snmp-includes.h:24,
                 from nvCtrlTable_interface.c:34:
nvCtrlTable_interface.c: In function ‘_mfd_nvCtrlTable_get_values’:
nvCtrlTable_interface.c:1223:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
                 "exists %p\n", (void *) rowreq_ctx->column_exists_flags));
                                ^
nvCtrlTable_interface.c:1223:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
                 "exists %p\n", (void *) rowreq_ctx->column_exists_flags));
                                ^
make: *** [<builtin>: nvCtrlTable_interface.o] Error 1