[SR-Users] Error while "Make All"

Hello, I followed the instruction mentioned in Kamailio website. When I do a make all, I get the error. Please let me know how to fix this. I am new to Kamailio. ------------------- Package mono-2 was not found in the pkg-config search path. Perhaps you should add the directory containing `mono-2.pc' to the PKG_CONFIG_PATH environment variable No package 'mono-2' found Package mono-2 was not found in the pkg-config search path. Perhaps you should add the directory containing `mono-2.pc' to the PKG_CONFIG_PATH environment variable No package 'mono-2' found Package mono-2 was not found in the pkg-config search path. Perhaps you should add the directory containing `mono-2.pc' to the PKG_CONFIG_PATH environment variable No package 'mono-2' found Package mono-2 was not found in the pkg-config search path. Perhaps you should add the directory containing `mono-2.pc' to the PKG_CONFIG_PATH environment variable No package 'mono-2' found Package mono-2 was not found in the pkg-config search path. Perhaps you should add the directory containing `mono-2.pc' to the PKG_CONFIG_PATH environment variable No package 'mono-2' found CC (gcc) [M app_mono.so] app_mono_api.o In file included from app_mono_api.c:37: app_mono_api.h:27:26: warning: mono/jit/jit.h: No such file or directory app_mono_api.h:28:39: warning: mono/metadata/environment.h: No such file or directory In file included from app_mono_api.c:37: app_mono_api.h:35: error: expected specifier-qualifier-list before ‘MonoDomain’ app_mono_api.c:39:39: warning: mono/metadata/mono-config.h: No such file or directory app_mono_api.c:49: error: expected specifier-qualifier-list before ‘MonoDomain’ app_mono_api.c: In function ‘sr_mono_load_script’: app_mono_api.c:93: error: ‘sr_mono_load_t’ has no member named ‘next’ app_mono_api.c: In function ‘mono_sr_init_load’: app_mono_api.c:139: warning: implicit declaration of function ‘mono_config_parse’ app_mono_api.c:141: error: ‘sr_mono_load_t’ has no member named ‘domain’ app_mono_api.c:148: error: ‘sr_mono_load_t’ has no member named ‘domain’ app_mono_api.c:148: warning: implicit declaration of function ‘mono_jit_init’ app_mono_api.c:149: error: ‘sr_mono_load_t’ has no member named ‘domain’ app_mono_api.c:157: error: ‘sr_mono_load_t’ has no member named ‘assembly’ app_mono_api.c:157: warning: implicit declaration of function ‘mono_domain_assembly_open’ app_mono_api.c:157: error: ‘sr_mono_load_t’ has no member named ‘domain’ app_mono_api.c:158: error: ‘sr_mono_load_t’ has no member named ‘assembly’ app_mono_api.c:162: error: ‘sr_mono_load_t’ has no member named ‘next’ app_mono_api.c: In function ‘mono_sr_initialized’: app_mono_api.c:208: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c: In function ‘app_mono_exec’: app_mono_api.c:230: error: ‘sr_mono_env_t’ has no member named ‘msg’ app_mono_api.c:237: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c:246: error: ‘sr_mono_env_t’ has no member named ‘assembly’ app_mono_api.c:246: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c:247: error: ‘sr_mono_env_t’ has no member named ‘assembly’ app_mono_api.c:256: warning: implicit declaration of function ‘mono_jit_exec’ app_mono_api.c:256: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c:256: error: ‘sr_mono_env_t’ has no member named ‘assembly’ app_mono_api.c:257: warning: implicit declaration of function ‘mono_environment_exitcode_get’ app_mono_api.c:261: warning: implicit declaration of function ‘mono_jit_cleanup’ app_mono_api.c:261: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c: In function ‘app_mono_run’: app_mono_api.c:282: error: ‘sr_mono_env_t’ has no member named ‘msg’ app_mono_api.c:284: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c:284: error: ‘sr_mono_load_t’ has no member named ‘domain’ app_mono_api.c:285: error: ‘sr_mono_env_t’ has no member named ‘assembly’ app_mono_api.c:285: error: ‘sr_mono_load_t’ has no member named ‘assembly’ app_mono_api.c:286: error: ‘sr_mono_env_t’ has no member named ‘assembly’ app_mono_api.c:291: warning: implicit declaration of function ‘mono_domain_set’ app_mono_api.c:291: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c:298: error: ‘sr_mono_env_t’ has no member named ‘domain’ app_mono_api.c:298: error: ‘sr_mono_env_t’ has no member named ‘assembly’ app_mono_api.c: At top level: app_mono_api.c:310: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token app_mono_api.c:314: error: expected declaration specifiers or ‘...’ before ‘MonoString’ app_mono_api.c: In function ‘sr_mono_log’: app_mono_api.c:316: warning: implicit declaration of function ‘mono_string_to_utf8’ app_mono_api.c:316: error: ‘text’ undeclared (first use in this function) app_mono_api.c:316: error: (Each undeclared identifier is reported only once app_mono_api.c:316: error: for each function it appears in.) app_mono_api.c:316: warning: assignment makes pointer from integer without a cast app_mono_api.c:318: warning: implicit declaration of function ‘mono_free’ app_mono_api.c: At top level: app_mono_api.c:321: error: expected ‘)’ before ‘*’ token app_mono_api.c:328: error: expected ‘)’ before ‘*’ token app_mono_api.c:338: error: expected ‘)’ before ‘*’ token app_mono_api.c:408: error: ‘sr_mono_api_version’ undeclared here (not in a function) app_mono_api.c:410: error: ‘sr_mono_err’ undeclared here (not in a function) app_mono_api.c:411: error: ‘sr_mono_dbg’ undeclared here (not in a function) app_mono_api.c:412: error: ‘sr_mono_modf’ undeclared here (not in a function) app_mono_api.c: In function ‘sr_mono_load_class_core’: app_mono_api.c:420: warning: implicit declaration of function ‘mono_add_internal_call’ app_mono_api.c: At top level: app_mono_api.c:427: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token app_mono_api.c:478: error: expected ‘)’ before ‘*’ token app_mono_api.c:530: error: expected ‘)’ before ‘*’ token app_mono_api.c:579: error: expected ‘)’ before ‘*’ token app_mono_api.c:632: error: expected ‘)’ before ‘*’ token app_mono_api.c:679: error: expected ‘)’ before ‘*’ token app_mono_api.c:729: error: ‘sr_mono_pv_gets’ undeclared here (not in a function) app_mono_api.c:729: error: initializer element is not constant app_mono_api.c:729: error: (near initialization for ‘_sr_M_export_pv[0].method’) app_mono_api.c:730: error: ‘sr_mono_pv_geti’ undeclared here (not in a function) app_mono_api.c:730: error: initializer element is not constant app_mono_api.c:730: error: (near initialization for ‘_sr_M_export_pv[1].method’) app_mono_api.c:731: error: ‘sr_mono_pv_seti’ undeclared here (not in a function) app_mono_api.c:731: error: initializer element is not constant app_mono_api.c:731: error: (near initialization for ‘_sr_M_export_pv[2].method’) app_mono_api.c:732: error: ‘sr_mono_pv_sets’ undeclared here (not in a function) app_mono_api.c:732: error: initializer element is not constant app_mono_api.c:732: error: (near initialization for ‘_sr_M_export_pv[3].method’) app_mono_api.c:733: error: ‘sr_mono_pv_unset’ undeclared here (not in a function) app_mono_api.c:733: error: initializer element is not constant app_mono_api.c:733: error: (near initialization for ‘_sr_M_export_pv[4].method’) app_mono_api.c:734: error: ‘sr_mono_pv_is_null’ undeclared here (not in a function) app_mono_api.c:734: error: initializer element is not constant app_mono_api.c:734: error: (near initialization for ‘_sr_M_export_pv[5].method’) app_mono_api.c:750: error: expected ‘)’ before ‘*’ token app_mono_api.c:801: error: expected ‘)’ before ‘*’ token app_mono_api.c:850: error: expected ‘)’ before ‘*’ token app_mono_api.c:895: error: expected ‘)’ before ‘*’ token app_mono_api.c:930: error: ‘sr_mono_hdr_append’ undeclared here (not in a function) app_mono_api.c:930: error: initializer element is not constant app_mono_api.c:930: error: (near initialization for ‘_sr_M_export_hdr[0].method’) app_mono_api.c:931: error: ‘sr_mono_hdr_remove’ undeclared here (not in a function) app_mono_api.c:931: error: initializer element is not constant app_mono_api.c:931: error: (near initialization for ‘_sr_M_export_hdr[1].method’) app_mono_api.c:932: error: ‘sr_mono_hdr_insert’ undeclared here (not in a function) app_mono_api.c:932: error: initializer element is not constant app_mono_api.c:932: error: (near initialization for ‘_sr_M_export_hdr[2].method’) app_mono_api.c:933: error: ‘sr_mono_hdr_append_to_reply’ undeclared here (not in a function) app_mono_api.c:933: error: initializer element is not constant app_mono_api.c:933: error: (near initialization for ‘_sr_M_export_hdr[3].method’) make[1]: *** [app_mono_api.o] Error 1 make: *** [modules] Error 1 Regards Selvam