Can't make: implicit declaration of function ‘http_write_chunked’

[drozdzamadeusz]

I compile main using: gcc -o main -fPIC -DHAVE_CONFIG_H -D_U_="attribute((unused))" -O2 -I/usr/include/libnl3/netlink/ -Imbedtls/include main.c ApiService.c libmemd.a mbedtls/library/libmbedx509.a mbedtls/library/libmbedtls.a mbedtls/library/libmbedcrypto.a -lm -lncurses

ApiService.c:17:8: warning: implicit declaration of function ‘http_open_chunked’; did you mean ‘http_read_chunked’? [-Wimplicit-function-declaration] if(http_open_chunked(&hi2, url) == 0) ^~~~~~~~~~~~~~~~~ http_read_chunked ApiService.c:21:12: warning: implicit declaration of function ‘http_write_chunked’; did you mean ‘http_read_chunked’? [-Wimplicit-function-declaration] if(http_write_chunked(&hi2, data, size) != size) ^~~~~~~~~~~~~~~~~~ http_read_chunked ApiService.c: In function ‘getTask’: ApiService.c:106:5: warning: format not a string literal and no format arguments [-Wformat-security] sprintf(data, cJSON_Print(task)); ^~~~~~~ https.c: In function ‘mbedtls_net_connect_timeout’: https.c:496:18: error: ‘errno’ undeclared (first use in this function); did you mean ‘h_errno’? else if( errno == EINPROGRESS ) ^~~~~ h_errno https.c:496:18: note: each undeclared identifier is reported only once for each function it appears in https.c:496:27: error: ‘EINPROGRESS’ undeclared (first use in this function) else if( errno == EINPROGRESS ) ^~~~~~~~~~~ https.c:515:33: error: ‘EINTR’ undeclared (first use in this function); did you mean ‘NLE_INTR’? if(errno == EINTR) continue; ^~~~~ NLE_INTR Makefile:16: recipe for target 'compile' failed

when I trying to compile test file demo main file (Test a https post with the chunked-encoding data) with: gcc -o main -Imbedtls/include -fPIC -DHAVE_CONFIG_H -D_U_="attribute((unused))" main.c -O2 mbedtls/library/libmbedx509.a mbedtls/library/libmbedtls.a mbedtls/library/libmbedcrypto.a

I got: main.c: In function ‘main’: main.c:133:8: warning: implicit declaration of function ‘http_open_chunked’; did you mean ‘http_read_chunked’? [-Wimplicit-function-declaration] if(http_open_chunked(&hi2, url) == 0) ^~~~~~~~~~~~~~~~~ http_read_chunked main.c:137:12: warning: implicit declaration of function ‘http_write_chunked’; did you mean ‘http_read_chunked’? [-Wimplicit-function-declaration] if(http_write_chunked(&hi2, data, size) != size) ^~~~~~~~~~~~~~~~~~ http_read_chunked /tmp/cc7m6wMn.o: In function main': main.c:(.text.startup+0x3b): undefined reference to http_init' main.c:(.text.startup+0x48): undefined reference to http_init' main.c:(.text.startup+0x59): undefined reference to http_open_chunked' main.c:(.text.startup+0x9e): undefined reference to http_write_chunked' main.c:(.text.startup+0xd3): undefined reference to http_write_chunked' main.c:(.text.startup+0x120): undefined reference to http_write_chunked' main.c:(.text.startup+0x139): undefined reference to http_strerror' main.c:(.text.startup+0x157): undefined reference to http_close' main.c:(.text.startup+0x15f): undefined reference to http_close' main.c:(.text.startup+0x19c): undefined reference to `http_read_chunked' collect2: error: ld returned 1 exit status