"Conflicting types" build failure(s)
clang 13.0.0
clang considers conflicting declarations as error while gcc just shows a warning
// clang  -c  foo.c
#include <stdio.h>
char *getline(int fd) { return NULL; }
| Package | Version | Supposed error message | Full log | Bug report | 
|---|
| dcl | 7.4.1-1 | cmsgdmp.c:210:27: error: conflicting types for 's_copy' | Log |  | 
             
| freefem | 3.5.8-7 | setjmp.h:54:12: error: conflicting types for '__sigsetjmp' | Log |  | 
             
| k2pdfopt | 2.53+ds-1 | ocrtess.c:300:6: error: conflicting types for 'ocrtess_baselang' | Log |  | 
             
| opensmtpd-extras | 6.7.1-2 | stdio.h:354:12: error: conflicting types for 'snprintf' | Log |  | 
             
| pccts | 1.33MR33-6 | genmk.c:971:1: error: conflicting types for 'pclasses' | Log | 753538 | 
             
5 errors