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error: #5: cannot open source input file "ethernetif.h": No such file or directory

Mahesh Prasath

Hi,
I get this error, The path is correct and also installed LwIp for TCP/IP. What esle should is do to get rid of this error. Tried various ways but failed.
I am using examples programs from STM32F4DIS-BB Software Examples. Please help ASAP.

Below is the error.
..\src\netconf.c(36): error: #5: cannot open source input file "ethernetif.h": No such file or directory

Below is the Warning:
..\..\..\..\Utilities\Third_Party\lwip-1.4.1\src\core\tcp_out.c(845): warning: #550-D: variable "tcphdr" was set but never used struct tcp_hdr *tcphdr;
..\..\..\..\Utilities\Third_Party\lwip-1.4.1\src\core\tcp_out.c(1367): warning: #550-D: variable "tcphdr" was set but never used struct tcp_hdr *tcphdr;

Regards
Mahesh Prasath.

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