Add in port to DG/UX

Submitted by: "Brian E. Gallew" <geek+@cmu.edu>
This commit is contained in:
Marc G. Fournier 1996-07-25 20:45:05 +00:00
parent 5315d37c20
commit 8a372d202f
7 changed files with 218 additions and 1 deletions

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@ -7,7 +7,7 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/Attic/Makefile.global,v 1.14 1996/07/25 07:26:37 scrappy Exp $
# $Header: /cvsroot/pgsql/src/Attic/Makefile.global,v 1.15 1996/07/25 20:43:35 scrappy Exp $
#
# NOTES
# This is seen by any Makefiles that include mk/postgres.mk. To
@ -47,6 +47,7 @@
# bsdi_2_1 - BSD/OS 2.1
# aix - IBM on AIX 3.2.5
# irix5 - SGI MIPS on IRIX 5.3
# dgux - DG/UX 5.4R3.10
# Some hooks are provided for
# svr4 - Intel x86 on Intel SVR4
# next - Motorola MC68K or Intel x86 on NeXTSTEP 3.2

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@ -0,0 +1,25 @@
#-------------------------------------------------------------------------
#
# Makefile.inc--
# Makefile for port/linux (Linux specific stuff)
#
# Copyright (c) 1994, Regents of the University of California
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/port/dgux/Attic/Makefile.inc,v 1.1 1996/07/25 20:43:56 scrappy Exp $
#
# NOTES
# The Linux port is included here by courtesy of Kai Petzke.
#
# (C) 1994, Kai Petzke, wpp@marie.physik.tu-berlin.de
#
#-------------------------------------------------------------------------
BIGOBJS= false
CFLAGS+= -DLINUX_ELF
HEADERS+= machine.h port-protos.h
CFLAGS+= #-DNEED_CBRT

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/*-------------------------------------------------------------------------
*
* dynloader.c--
* Dynamic Loader for Postgres for DG/UX, generated from those for
* Linux.
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/dgux/Attic/dynloader.c,v 1.1 1996/07/25 20:43:58 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdio.h>
#include <dld.h>
#include "postgres.h"
#include "port-protos.h"
#include "utils/elog.h"
#include "fmgr.h"
extern char pg_pathname[];
void *
pg_dlopen(char *filename)
{
static int dl_initialized= 0;
/*
* initializes the dynamic loader with the executable's pathname.
* (only needs to do this the first time pg_dlopen is called.)
*/
if (!dl_initialized) {
if (dld_init (dld_find_executable (pg_pathname))) {
return NULL;
}
/*
* if there are undefined symbols, we want dl to search from the
* following libraries also.
*/
dl_initialized= 1;
}
/*
* link the file, then check for undefined symbols!
*/
if (dld_link(filename)) {
return NULL;
}
/*
* If undefined symbols: try to link with the C and math libraries!
* This could be smarter, if the dynamic linker was able to handle
* shared libs!
*/
if(dld_undefined_sym_count > 0) {
if (dld_link("/usr/lib/libc.a")) {
elog(NOTICE, "dld: Cannot link C library!");
return NULL;
}
if(dld_undefined_sym_count > 0) {
if (dld_link("/usr/lib/libm.a")) {
elog(NOTICE, "dld: Cannot link math library!");
return NULL;
}
if(dld_undefined_sym_count > 0) {
int count = dld_undefined_sym_count;
char **list= dld_list_undefined_sym();
/* list the undefined symbols, if any */
elog(NOTICE, "dld: Undefined:");
do {
elog(NOTICE, " %s", *list);
list++;
count--;
} while(count > 0);
dld_unlink_by_file(filename, 1);
return NULL;
}
}
}
return (void *) strdup(filename);
}
char *
pg_dlerror()
{
return dld_strerror(dld_errno);
}

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/*-------------------------------------------------------------------------
*
* machine.h--
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: machine.h,v 1.1 1996/07/25 20:43:59 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef MACHINE_H
#define MACHINE_H
#define BLCKSZ 8192
#endif

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@ -0,0 +1,30 @@
/*-------------------------------------------------------------------------
*
* port-protos.h--
* port-specific prototypes for SunOS 4
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: port-protos.h,v 1.1 1996/07/25 20:44:00 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PORT_PROTOS_H
#define PORT_PROTOS_H
#include "fmgr.h" /* for func_ptr */
#include "utils/dynamic_loader.h"
#include "dlfcn.h"
/* dynloader.c */
/* #define pg_dlopen(f) dlopen(f, 1) */
#define pg_dlopen(f) dlopen(f, 2)
#define pg_dlsym dlsym
#define pg_dlclose dlclose
#define pg_dlerror dlerror
/* port.c */
#endif /* PORT_PROTOS_H */

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@ -0,0 +1,13 @@
/*-------------------------------------------------------------------------
*
* port.c--
* Linux-specific routines
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/dgux/Attic/port.c,v 1.1 1996/07/25 20:44:00 scrappy Exp $
*
*-------------------------------------------------------------------------
*/

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#-------------------------------------------------------------------------
#
# postgres.mk.linux--
# Intel x86/Linux specific rules and variables
#
# Copyright (c) 1994-5, Regents of the University of California
#
# $Id: postgres.mk.dgux,v 1.1 1996/07/25 20:45:05 scrappy Exp $
#
# NOTE
# you may remove lines that start with ## which are general comments
#-------------------------------------------------------------------------
ifndef MK_PORT
MK_PORT= linux
RANLIB= ranlib
SLSUFF= .so
#LDFLAGS+= -rdynamic
CFLAGS_SL= -fpic
%.so: %.o
cd $(objdir); $(CC) -shared -o $(@F) $(<F)
#
# for postgres.mk
#
CC= gcc
CFLAGS_OPT= -O2 -pipe
CFLAGS_BE= -D__USE_POSIX_SIGNALS -DUSE_POSIX_SIGNALS -O2
LDADD_BE= -ldl -lfl
LEX = flex
YACC = bison -y
INSTALL=/usr/bin/X11/bsdinst
endif