postgresql13, postgresql14 fail on 10.6.8: error: conflicting types for ‘CollationCreate’

[barracuda156]

:info:build pg_collation.c:55: error: conflicting types for ‘CollationCreate’
:info:build ../../../src/include/catalog/pg_collation.h:70: error: previous declaration of ‘CollationCreate’ was here
:info:build pg_collation.c: In function ‘CollationCreate’:
:info:build pg_collation.c:175: warning: passing argument 3 of ‘heap_form_tuple’ from incompatible pointer type
:info:build gnumake[3]: *** [pg_collation.o] Error 1

[barracuda156]

gcc12 also fails to build:

pg_collation.c:46:1: error: conflicting types for 'CollationCreate'; have 'Oid(const char *, Oid,  Oid,  char,  _Bool,  int32,  const char *, const char *, const char *, _Bool,  _Bool)' {aka 'unsigned int(const char *, unsigned int,  unsigned int,  char,  _Bool,  int,  const char *, const char *, const char *, _Bool,  _Bool)'}
   46 | CollationCreate(const char *collname, Oid collnamespace,
      | ^~~~~~~~~~~~~~~

[barracuda156]

Looks similar to this older bug: ​https://www.postgresql.org/message-id/1159815.1608914156%40sss.pgh.pa.us

[barracuda156]

In 152aa8ea8a50ee5f1d40c2ed7096c2b508d7059b/macports-ports (master):

postgresql13–14: fix build with new icu on PPC
Fixes: #66060