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Compilation failure: 8.2.4 and 8.1.0 under XPPro/MinGW

From: "Phil Mills" <PMills(at)veeco(dot)com>
To: <pgsql-ports(at)postgresql(dot)org>
Subject: Compilation failure: 8.2.4 and 8.1.0 under XPPro/MinGW
Date: 2007-07-03 21:29:59
Message-ID: 5C45D12040C19D439DA0CE63A18738063399FF@ftcexch2.int.veeco.com (view raw or flat)
Thread:
Lists: pgsql-ports
I've seen the build error below referenced in several messages, but haven't seen a clear answer for how to resolve it.  

Environment: XP Pro with MSys/MinGW freshly installed according to the docs here: http://www.postgresql.org/docs/faqs.FAQ_MINGW.html
Zlib is installed; Visual Studio and Cygwin are also on the system but should be out of the way.

Reason for building: increase NAMEDATALEN so it'll quit truncating my absurdly-large column names.

Output from Make (substantially the same whether I'm building 8.2.4 or 8.1.0):

pmills(at)ITLPT9060 /c/postgresql-8.2.4
$ make
make -C doc all
make[1]: Entering directory `/c/postgresql-8.2.4/doc'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/c/postgresql-8.2.4/doc'
make -C src all
make[1]: Entering directory `/c/postgresql-8.2.4/src'
make -C port all
make[2]: Entering directory `/c/postgresql-8.2.4/src/port'
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Winline -Wdeclaration-after-                             statement -Wendif-labels -fno-strict-aliasing -I../../src/port -DFRONTEND -I../.                             ./src/include -I./src/include/port/win32 -DEXEC_BACKEND  "-I../../src/include/po                             rt/win32"  -c -o getrusage.o getrusage.c
In file included from ../../src/include/rusagestub.h:17,
                 from getrusage.c:18:
c:/mingw/bin/../lib/gcc/mingw32/3.4.2/../../../../include/sys/time.h:27: error:                              redefinition of `struct timezone'
c:/mingw/bin/../lib/gcc/mingw32/3.4.2/../../../../include/sys/time.h:40: error:                              conflicting types for 'gettimeofday'
../../src/include/port.h:292: error: previous declaration of 'gettimeofday' was                              here
c:/mingw/bin/../lib/gcc/mingw32/3.4.2/../../../../include/sys/time.h:40: error:                              conflicting types for 'gettimeofday'
../../src/include/port.h:292: error: previous declaration of 'gettimeofday' was                              here
make[2]: *** [getrusage.o] Error 1
make[2]: Leaving directory `/c/postgresql-8.2.4/src/port'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/c/postgresql-8.2.4/src'
make: *** [all] Error 2

pmills(at)ITLPT9060 /c/postgresql-8.2.4
$ 


Could someone please provide either: 
* Better instructions for how to install/configure MSys and MinGW
or
* Better instructions for how to compile Postgres using MinGW?

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Subject: Re: Compilation failure: 8.2.4 and 8.1.0 under XPPro/MinGW
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