GCC 8.1 and 8.2 compilation error: cast between incompatible function types

[akornatskyy]

nginx 1.15.1
lua-nginx-module 1.10.13
luajit 2.1
gcc version 8.1.0 (Debian 8.1.0-12)
gcc version 8.2.0 (Debian 8.2.0-1)
debian buster 4.17.8-1 (2018-07-20) x86_64

./lua-nginx-module/src/ngx_http_lua_script.c: In function ‘ngx_http_lua_script_add_copy_code’:
./lua-nginx-module/src/ngx_http_lua_script.c:332:18: error: cast between incompatible function types from ‘size_t (*)(ngx_http_lua_script_engine_t *)’ {aka ‘long unsigned int (*)(struct <anonymous> *)’} to ‘void (*)(ngx_http_lua_script_engine_t *)’ {aka ‘void (*)(struct <anonymous> *)’} [-Werror=cast-function-type]
     code->code = (ngx_http_lua_script_code_pt)
                  ^
./lua-nginx-module/src/ngx_http_lua_script.c: In function ‘ngx_http_lua_script_add_capture_code’:
./lua-nginx-module/src/ngx_http_lua_script.c:402:18: error: cast between incompatible function types from ‘size_t (*)(ngx_http_lua_script_engine_t *)’ {aka ‘long unsigned int (*)(struct <anonymous> *)’} to ‘void (*)(ngx_http_lua_script_engine_t *)’ {aka ‘void (*)(struct <anonymous> *)’} [-Werror=cast-function-type]
     code->code = (ngx_http_lua_script_code_pt)

[ghedo]

See https://trac.nginx.org/nginx/changeset/9e25a5380a21240cdb66646f1e20ef7247b646a1/nginx for an example fix.

[thibaultcha]

This is now fixed in master thanks to @ghedo's patch. Closing this, thanks for the report @akornatskyy.