Code:

[email protected] ~/Desktop/FirmwareDownloader-master $ make builtin_rootca.der main.cpp arm-none-eabi-g++ -MMD -MP -MF /home/user/Desktop/FirmwareDownloader-master/build/main.d -g -Wall -O2 -mword-relocations -fomit-frame-pointer -ffast-math -march=armv6k -mtune=mpcore -mfloat-abi=hard -I/home/user/Desktop/FirmwareDownloader-master/include -I/opt/devkitpro/libctru/include -I/home/user/Desktop/FirmwareDownloader-master/build -DARM11 -D_3DS -fno-rtti -fno-exceptions -std=c++11 -c /home/user/Desktop/FirmwareDownloader-master/source/main.cpp -o main.o /home/user/Desktop/FirmwareDownloader-master/source/main.cpp: In function 'Result DownloadFile(std::__cxx11::string, std::ofstream&)': /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:81:32: error: 'HTTPC_METHOD_GET' was not declared in this scope httpcOpenContext(&context, HTTPC_METHOD_GET, (char *)url.c_str(), 1); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp: In function 'Result network_request(char*, char*, std::ofstream&)': /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:259:21: error: aggregate 'network_request(char*, char*, std::ofstream&)::addrinfo hints' has incomplete type and cannot be defined struct addrinfo hints; ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:264:5: error: 'sslcContext' was not declared in this scope sslcContext sslc_context; ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:274:45: error: invalid application of 'sizeof' to incomplete type 'network_request(char*, char*, std::ofstream&)::addrinfo' memset(&hints, 0, sizeof(struct addrinfo)); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:278:53: error: 'getaddrinfo' was not declared in this scope if(getaddrinfo(hostname, "443", &hints, &resaddr)!=0) ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:285:76: error: invalid use of incomplete type 'struct network_request(char*, char*, std::ofstream&)::addrinfo' r(resaddr_cur = resaddr; resaddr_cur!=NULL; resaddr_cur = resaddr_cur->ai_next) ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:259:12: note: forward declaration of 'struct network_request(char*, char*, std::ofstream&)::addrinfo' struct addrinfo hints; ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:287:39: error: invalid use of incomplete type 'struct network_request(char*, char*, std::ofstream&)::addrinfo' if(connect(sockfd, resaddr_cur->ai_addr, resaddr_cur->ai_addrlen)==0)br ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:259:12: note: forward declaration of 'struct network_request(char*, char*, std::ofstream&)::addrinfo' struct addrinfo hints; ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:287:61: error: invalid use of incomplete type 'struct network_request(char*, char*, std::ofstream&)::addrinfo' if(connect(sockfd, resaddr_cur->ai_addr, resaddr_cur->ai_addrlen)==0)br ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:259:12: note: forward declaration of 'struct network_request(char*, char*, std::ofstream&)::addrinfo' struct addrinfo hints; ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:290:25: error: 'freeaddrinfo' was not declared in this scope freeaddrinfo(resaddr); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:299:63: error: 'sslcCreateRootCertChain' was not declared in this scope ret = sslcCreateRootCertChain(&RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:307:115: error: 'sslcAddTrustedRootCA' was not declared in this scope rtChain_contexthandle, (u8*)builtin_rootca_der, builtin_rootca_der_size, NULL); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:312:61: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:316:30: error: 'sslc_context' was not declared in this scope ret = sslcCreateContext(&sslc_context, sockfd, SSLCOPT_Default, hostname); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:316:52: error: 'SSLCOPT_Default' was not declared in this scope ret = sslcCreateContext(&sslc_context, sockfd, SSLCOPT_Default, hostname); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:316:77: error: 'sslcCreateContext' was not declared in this scope ret = sslcCreateContext(&sslc_context, sockfd, SSLCOPT_Default, hostname); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:321:61: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:325:81: error: 'sslcContextSetRootCertChain' was not declared in this scope ret = sslcContextSetRootCertChain(&sslc_context, RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:329:41: error: 'sslcDestroyContext' was not declared in this scope sslcDestroyContext(&sslc_context); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:330:61: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:335:56: error: 'sslcStartConnection' was not declared in this scope ret = sslcStartConnection(&sslc_context, NULL, NULL); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:339:41: error: 'sslcDestroyContext' was not declared in this scope sslcDestroyContext(&sslc_context); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:340:61: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:345:73: error: 'sslcWrite' was not declared in this scope ret = sslcWrite(&sslc_context, (u8*)http_netreq, strlen(http_netreq)); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:349:41: error: 'sslcDestroyContext' was not declared in this scope sslcDestroyContext(&sslc_context); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:350:61: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:356:48: error: 'sslcRead' was not declared in this scope sslcRead(&sslc_context, readbuf, 204, false); // discard HTTP header ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:363:45: error: 'sslcDestroyContext' was not declared in this scope sslcDestroyContext(&sslc_context); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:364:65: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:372:37: error: 'sslcDestroyContext' was not declared in this scope sslcDestroyContext(&sslc_context); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:373:57: error: 'sslcDestroyRootCertChain' was not declared in this scope sslcDestroyRootCertChain(RootCertChain_contexthandle); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp: In function 'int main()': /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:576:16: error: too many arguments to function 'Result httpcInit()' httpcInit(0); ^ In file included from /opt/devkitpro/libctru/include/3ds.h:42:0, from /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:18: /opt/devkitpro/libctru/include/3ds/services/httpc.h:23:8: note: declared here Result httpcInit(void); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:579:15: error: 'sslcInit' was not declared in this scope sslcInit(0); ^ /home/user/Desktop/FirmwareDownloader-master/source/main.cpp:728:14: error: 'sslcExit' was not declared in this scope sslcExit(); ^ make[1]: *** [main.o] Error 1 make: *** [build] Error 2