Thread: pgsql on jaguar (os x 10.2)

Subject: [GENERAL] pgsql on jaguar (os x 10.2)
From: Alex Rice <alex_rice@arc.to>
 ===
I see that M. Liyanage already has a 7.2.2 binary available for Jaguar.
You rock, Mark.

But I'm running PostGIS and need to compile my own PostgreSQL. Running
into a compile error involving port/darwin/sem.h. This is on PostgreSQL
7.2.1, OS X 10.2. Same error with gcc2.95 and gcc3.1. I used to compile
without problems on OS X 10.1. Any ideas? I would be very thankful.

gcc -traditional-cpp -g -O2 -Wall -Wmissing-prototypes
-Wmissing-declarations -I../../../../src/include   -c -o sem.o sem.c
In file included from sem.c:30:
../../../../src/include/port/darwin/sem.h:66: warning: `union semun'
declared inside parameter list
../../../../src/include/port/darwin/sem.h:66: warning: its scope is
only this definition or declaration, which is probably not what you want
../../../../src/include/port/darwin/sem.h:66: warning: parameter has
incomplete type
sem.c:67: warning: `union semun' declared inside parameter list
sem.c:68: parameter `arg' has incomplete type
make[4]: *** [sem.o] Error 1

Alex Rice, Software Developer
Architectural Research Consultants, Inc.
alrice@swcp.com
alex_rice@arcrc.com


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Subject: Re: [GENERAL] pgsql on jaguar (os x 10.2)
From: Tom Lane <tgl@sss.pgh.pa.us>
 ===
Alex Rice <alex_rice@arc.to> writes:
> ../../../../src/include/port/darwin/sem.h:66: warning: `union semun'
> declared inside parameter list

Hm.  Try adding #include <sys/sem.h> in the obvious place near the top
of src/include/port/darwin/sem.h.

This problem should be gone in 7.3 (which hasn't even got
src/include/port/darwin/sem.h ...) but for 7.2 you'll need to hack up
a workaround.  I'm guessing Apple moved "union semun" someplace else.

You should also read src/backend/port/darwin/README carefully, as there
may be other hacks in the 7.2 Darwin port that are no longer correct for
OSX 10.2.  We did receive a report recently that CVS tip builds on 10.2,
so I'm hopeful that the semaphore issues will be the only sticking
point, but you want to be aware of the other sharks in the water.

            regards, tom lane

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