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it does not support 64bit integers. AFAIK that's the default data type for OIDs, so I am not surprised that this does not work. Use gcc instead. BTW., 7.1 does not compile as is with gcc either, I believed the required patches made it into the 7.1.1 release but obviously I missed the deadline. Since the ports mailing list does not seem to be archived I have attached a copy of the patch (for 7.1 and 7.1.1). I've just performed a build of a Watcom compiled version and found a couple of bugs in the watcom specific part of that patch. Please use the attached version instead. Tegge, Bernd
214 lines
7.4 KiB
Plaintext
214 lines
7.4 KiB
Plaintext
PostgresSQL on QNX 4
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--------------------
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last updated: $Date: 2001/05/24 15:53:31 $
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current maintainer: Bernd Tegge (tegge@repas-aeg.de)
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original author: Andreas Kardos (kardos@repas-aeg.de)
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This port is an important step because PostgreSQL is now the only free
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relational database with full SQL and ODBC support available for QNX 4.
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The only commercial databases available are Empress RDBMS and Velocis
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Database Server (not supported for Digital Unix).
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The most effort required the emulation of System V semaphore sets,
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shared memory and IPC and of some IEEE floating-point functionality.
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It is recommended to use the GNU C compiler instead of the Watcom compiler
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because the Watcom compiler doesn't support a int8 datatype (long or
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long long int) and it does not have a C++ frontend. The only advantage
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using Watcom C would be support of Tk and pgaccess.
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QNX 4 does not offer native support of shared libraries. Therefore the related
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functionality cannot be used. Shared library support could probably be
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implemented in future.
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QNX 4 does not support UNIX domain sockets. Clients must use TCP/IP sockets.
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Therefore postmaster must always be started with the -i option. Furthermore
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it would be useful to set the PGHOST variable.
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Prerequisites:
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--------------
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The following prerequisites have been used:
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QNX standard:
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QNX 4.25, Watcom C 10.6, GNU make
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Available from http://www.teaser.fr/~jcmichot/
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flex-2.5.4a.tar.gz (flex)
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egcs-112-qnx4-r20.tar[.gz] (GNU C)
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Available from ftp://ftp.visi.com/users/hawkeyd/qnx/
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bison-1.2.5.tar.gz
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Available from http://quics.qnx.com/cgi-bin/dir_find.cgi?/usr/free/
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perl 5.004_04
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from ftp://ftp.freesoftware.com/pub/infozip/zlib/
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zlib 1.1.3
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tcl8.0.3.tar.Z (Tcl)
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In order to achieve meaningful results for the regression tests, you need
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a different shell. The standard QNX shell is quite broken with regard to
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scripting (even QSSL suggested to use pdksh or bash). Both are available
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in source and binaries at
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http://quics.qnx.com/cgi-bin/dir_find.cgi?/usr/free/
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flex can be built without any problems using the Watcom or GNU C compilers.
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The current version of bison (1.2.8 at the time of this writing) does not
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build cleanly on QNX4 with gcc installed, but you can download src and
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binary of a previous version from the above mentioned ftp site.
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download source
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GNU C can be installed by
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/etc/install -u egcs112-qnx4-r20.tar[.gz]
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Although Tcl can be built after some slight code changes using the Watcom
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compiler, the GNU C compiler should be used instead. Otherwise it would be
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impossible to link postgres built with GNU C together with libtcl8.0.a built
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with the Watcom compiler. However, if you are going to build a Watcom version
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you must build the tcl and tk libraries with Watcom too.
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To make unix/tclUnixTest.c compilable uncomment
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#include <sys/resource.h>
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in it or
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touch /usr/include/sys/resource.h
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In unix/Makefile.in replace
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( echo cd $(TOP_DIR)/tests\; source all ) | ./tcltest
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by
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( echo cd ../tests\; source all ) | ./tcltest
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After that Tcl can be built and tested as stated in README.
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Tk cannot be built with GNU C due to the lack of a stack version of the
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X11 library. With the Watcom compiler Tk could be built but this is not useful
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because of the link problems mentioned above.
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Therefore the Tk interface and the pgaccess tool cannot be supported for a GNU C
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version of PostgreSQL on QNX 4.
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PostgreSQL:
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-----------
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On QNX 4 some headers are not in the directories expected. To avoid
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modifications of the code the following links should be made:
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ln -s /usr/local/bin/perl /usr/local/bin/perl5
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ln -s /usr/include/errno.h /usr/include/sys/errno.h
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ln -s /usr/include/ioctl.h /usr/include/sys/ioctl.h
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ln -s /usr/src/pgsql/src/backend/port/qnx4/ipc.h /usr/include/sys/ipc.h
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ln -s /usr/src/pgsql/src/backend/port/qnx4/sem.h /usr/include/sys/sem.h
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ln -s /usr/src/pgsql/src/backend/port/qnx4/shm.h /usr/include/sys/shm.h
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For ecgs-2.91.60 the file
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/usr/local/lib/gcc-lib/i386-pc-qnx4/egcs-2.91.66/include/g++/stl_alloc.h
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had to be patched (extern "C++" { ... } // extern "C++").
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See attached patch.
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If all prerequisites are available postgres can be built and installed by
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cd pgsql/src
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./configure --with-tcl --without-tk --with-perl
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gmake > make.log 2>&1
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gmake install > make.install.log 2>&1
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su
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cd interfaces/perl5
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gmake install
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exit
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All other steps can be carried out as stated in the INSTALL file.
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Make problems:
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--------------
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Sometimes the Watcom library manager wlib crashes with SIGSEGV on some
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object files. This is a general problem and not PostgreSQL related.
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Currently bootstrap.o causes such a crash. The workaround is not to include
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the object file into the SUBSYS.o but link it directly. For further information
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see backend/Makefile and backend/bootstrap/Makefile.
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libpgsql.a currently cannot be generated because of the same problem. But this
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doesn't matter since shared libraries are not supported.
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Currently yacc fails on backend/parser/gram.y and
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interfaces/ecpg/preproc/preproc.y due to exceeded maximum table size. You can
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generate the gram.h, parse.h, preproc.h and preproc.c files on another platform
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and use them. This is only a problem when you use the current source tree since
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parse.h, gram.c, preproc.h and preproc.c are included in official
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distributions. In order to avoid this, install the bison binary mentioned
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above.
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Regression tests:
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-----------------
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please don't use the QNX shell for the parallel regression tests. Download
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bash from quics.qnx.com and run 'make SHELL=/usr/local/bin/bash check'
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instead.
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The majority of regression tests succeeded. The following tests failed:
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geometry:
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Some slight deviation in the last digit and "0" instead of "-0".
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Can be ignored.
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timestamp, tinterval, abstime, horology:
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Differences for years outside the normal Unix range, e.g. 1968
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instead of 2105
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Can be ignored.
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rules:
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"ERROR: Bad money external representation ..."
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if a value of type money is inserted in string representation e.g. as in
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"insert into rtest_emp values ('wiech', '5000.00');"
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Subject of further investigation.
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create_function_1, create_function_2, create_type, create_operator,
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create_view, select_views, triggers, misc, plpgsql:
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Error messages due to the lack of shared library support.
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numeric, numeric_big, sanity_check:
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"ERROR: Cannot create unique index. Table contains non-unique values"
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This error occurs for indices of tables num_exp_add, num_exp_sub,
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num_exp_div and num_exp_mul only.
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Subject of further investigation. Probably because of the missing indices
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these numeric tests take a long time.
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The diffence in sanity_check.out is a consequence of this problem only.
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The current state of this port should be sufficient for lot of applications.
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The Watcom version failed additional tests because of the lack of int8
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support.
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Have fun!
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Andreas Kardos
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2000-04-04
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Bernd Tegge
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tegge@repas-aeg.de
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2001-03-01
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---------------------------------------------------------------------------
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*** ./stl_alloc.h.orig Sat Feb 28 05:17:28 1998
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--- ./stl_alloc.h Tue Nov 23 04:14:09 1999
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***************
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*** 120,125 ****
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--- 120,126 ----
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#pragma set woff 1174
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#endif
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+ extern "C++" {
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// Malloc-based allocator. Typically slower than default alloc below.
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// Typically thread-safe and more storage efficient.
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#ifdef __STL_STATIC_TEMPLATE_MEMBER_BUG
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***************
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*** 682,687 ****
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--- 683,689 ----
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# endif
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#endif /* ! __USE_MALLOC */
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+ } // extern "C++"
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#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
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#pragma reset woff 1174
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