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Subject: [Pljava-dev] Build Errors while building PL/Java 1.4.0 on Solaris 10
Date: Wed, 18 Mar 2009 14:29:30 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Prabhakara_Janardhan at emc.com wrote:
>> Hi,
>>
>> I had the following error while building PL/Java 1.4.0 on Solaris 10:
>>
>> /opt/voyence/db/controldb/pljava-1.4.0/src/C/pljava/type/BigDecimal.c
>> -o type/BigDecimal.o
>> In file included from
>> /opt/voyence/db/controldb/include/postgresql/server/c.h:826,
>>                  from
>> /opt/voyence/db/controldb/include/postgresql/server/postgres.h:48,
>>                  from
>> /opt/voyence/db/controldb/pljava-1.4.0/src/C/pljava/type/BigDecimal.c:
>> 9:
>> /opt/voyence/db/controldb/include/postgresql/server/port.h:377: error:
>> conflicting types for 'unsetenv'
>> /usr/include/stdlib.h:188: error: previous declaration of 'unsetenv'
>> was here
>> /opt/voyence/db/controldb/include/postgresql/server/port.h:377: error:
>> conflicting types for 'unsetenv'
>> /usr/include/stdlib.h:188: error: previous declaration of 'unsetenv'
>> was here
>> gmake[1]: *** [type/BigDecimal.o] Error 1
>> gmake[1]: Leaving directory
>> `/opt/voyence/db/controldb/pljava-1.4.0/build/objs'
>> gmake: *** [c_all] Error 2
>>
>>
>> The way I fixed the buiild error was to modify the Makefile under:
>>
>> src/C/pljava/Makefile:
>>
>> -bash-3.00$ diff src/C/pljava/Makefile src/C/pljava/Makefile.orig
>> 23c23
>> <       $(CC) -c $(CFLAGS) $(CPPFLAGS) -DHAVE_UNSETENV $< -o $@
>> ---
>>>       $(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@
>> Now the discrepency is that 
>>
>>
>> /usr/include/stdlib.h has:
>>
>> extern int unsetenv(const char *);
>>
>>
>> And 
>>
>> $DBHOME/include/postgresql/server/port.h has:
>>
>> #ifndef HAVE_UNSETENV
>> extern void unsetenv(const char *name);
>> #endif
>>
>>
>> I chose to do the -DHAVE_UNSETENV  since the functions only differ in
>> the return type. Did others who built face the same issue? What
>> approach was taken to build PL/Java 1.4.0 on Solaris?
>>
>>

The definition of HAVE_UNSETENV should be in 
$DBHOME/include/postgresql/server/pg_config.h and matches up with what 
the server compile environment found.  This could be different than the 
pljava compile environment if the server was built on a different 
machine or if additional libraries were installed after the server 
build.  If you build the server and then immediately build pljava 
against that server it should definitely work.  Can you clarify how your 
server was built?

Kris Jurka

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