GCC 14 makes this an error.
source/gl_rmisc.c: In function 'R_Init':
source/gl_rmisc.c:256:2: warning: implicit declaration of function 'R_InitOtherTextures'; did you mean 'R_InitTextures'? [-Wimplicit-function-declaration]
256 | R_InitOtherTextures ();
| ^~~~~~~~~~~~~~~~~~~
| R_InitTextures
source/gl_rmisc.c: At top level:
source/gl_rmisc.c:671:6: warning: conflicting types for 'R_InitOtherTextures'
671 | void R_InitOtherTextures (void)
| ^~~~~~~~~~~~~~~~~~~
source/gl_rmisc.c:256:2: note: previous implicit declaration of 'R_InitOtherTextures' was here
256 | R_InitOtherTextures ();
| ^~~~~~~~~~~~~~~~~~~