Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes:
> On 07/09/2018 16:19, Tom Lane wrote:
>> Somehow or other, the changes you made in dfmgr.c's #include lines
>> have made it so that find_rendezvous_variable's local "bool found"
>> variable is actually of type _Bool (which is word-wide on these
>> machines).
> Ah because dlfcn.h includes stdbool.h. Hmm.
Yeah, and that's still true as of current macOS, it seems.
I can make the problem go away with the attached patch (borrowed from
similar code in plperl.h). It's kind of grotty but I'm not sure there's
a better way.
regards, tom lane
diff --git a/src/backend/utils/fmgr/dfmgr.c b/src/backend/utils/fmgr/dfmgr.c
index c2a2572..4a5cc7c 100644
*** a/src/backend/utils/fmgr/dfmgr.c
--- b/src/backend/utils/fmgr/dfmgr.c
***************
*** 18,24 ****
--- 18,34 ----
#ifdef HAVE_DLOPEN
#include <dlfcn.h>
+
+ /*
+ * On macOS, <dlfcn.h> insists on including <stdbool.h>. If we're not
+ * using stdbool, undef bool to undo the damage.
+ */
+ #ifndef USE_STDBOOL
+ #ifdef bool
+ #undef bool
#endif
+ #endif
+ #endif /* HAVE_DLOPEN */
#include "fmgr.h"
#include "lib/stringinfo.h"
