<div style="font-family: verdana; font-size: 14px;">Hello,   <br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal; color: rgb(38, 42, 51); font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: verdana;"><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;"><br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;">I am compiling the FFMEG library. I am at the "make" stage running on gcc version 11.2.0 (GCC).   The error is coming from the \ffmpeg\libavdevice<b style="box-sizing: inherit; font-weight: 700; quotes: "“" "”" "‘" "’"; line-height: normal;"><u style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;">\gdigrab.c</u></b>  file.<br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;"><br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;">This is the error:  <br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;"><br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal;">libavdevice/gdigrab.c: In function ‘gdigrab_read_header’:<br></div></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal; color: rgb(38, 42, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">libavdevice/gdigrab.c:252:12: error: implicit declaration of function ‘utf8towchar’ [-Werror=implicit-function-declaration]<br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal; color: rgb(38, 42, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">  252 |         if(utf8towchar(name, &name_w)) {<br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal; color: rgb(38, 42, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal; color: rgb(38, 42, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: inherit; quotes: "“" "”" "‘" "’"; line-height: normal; color: rgb(38, 42, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">How to resolve this issue?<br></div><div style="font-family: verdana; font-size: 14px;"><div><br></div><div class="protonmail_signature_block"><div class="protonmail_signature_block-user"><div>Lawrence Habahbeh<br></div><div><br></div><div><img alt="HG_resize.png" class="proton-embedded" src="cid:ccf825b5@pm.me"><br></div><div><br></div></div><div><br></div><div class="protonmail_signature_block-proton">Sent with <a rel="noopener noreferrer" href="https://protonmail.com/" target="_blank">ProtonMail</a> Secure Email.</div></div></div><div><br></div>