Remove dead ports

Remove the following ports:

- dgux
- nextstep
- sunos4
- svr4
- ultrix4
- univel

These are obsolete and not worth rescuing.  In most cases, there is
circumstantial evidence that they wouldn't work anymore anyway.

16 files changed, 2 insertions, 579 deletions

diff --git a/src/backend/port/dynloader/dgux.c b/src/backend/port/dynloader/dgux.c
deleted file mode 100644
index 34fbcaf2288..00000000000
--- a/src/backend/port/dynloader/dgux.c
+++ /dev/null
@@ -1,6 +0,0 @@
-/* Dummy file used for nothing at this point
- *
- * see dgux.h
- *
- * src/backend/port/dynloader/dgux.c
- */
diff --git a/src/backend/port/dynloader/dgux.h b/src/backend/port/dynloader/dgux.h
deleted file mode 100644
index c753bf27209..00000000000
--- a/src/backend/port/dynloader/dgux.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * dgux.h
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/backend/port/dynloader/dgux.h
- *
- *-------------------------------------------------------------------------
- */
-#ifndef PORT_PROTOS_H
-#define PORT_PROTOS_H
-
-#include <dlfcn.h>
-#include "utils/dynamic_loader.h"	/* pgrminclude ignore */
-
-/*
- * Dynamic Loader on DG/UX.
- *
- * this dynamic loader uses the system dynamic loading interface for shared
- * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
- * library as the file to be dynamically loaded.
- */
-
-/*
- * In some older systems, the RTLD_NOW flag isn't defined and the mode
- * argument to dlopen must always be 1.  The RTLD_GLOBAL flag is wanted
- * if available, but it doesn't exist everywhere.
- * If it doesn't exist, set it to 0 so it has no effect.
- */
-#ifndef RTLD_NOW
-#define RTLD_NOW 1
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-
-#define pg_dlopen(f)	dlopen((f), RTLD_NOW | RTLD_GLOBAL)
-#define pg_dlsym		dlsym
-#define pg_dlclose		dlclose
-#define pg_dlerror		dlerror
-
-#endif   /* PORT_PROTOS_H */
diff --git a/src/backend/port/dynloader/irix.h b/src/backend/port/dynloader/irix.h
index 6dea71bb759..ea8fc7ca151 100644
--- a/src/backend/port/dynloader/irix.h
+++ b/src/backend/port/dynloader/irix.h
@@ -18,7 +18,7 @@
 #include "utils/dynamic_loader.h"	/* pgrminclude ignore */
 
 /*
- * Dynamic Loader on SunOS 4.
+ * Dynamic Loader on Irix.
  *
  * this dynamic loader uses the system dynamic loading interface for shared
  * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
diff --git a/src/backend/port/dynloader/nextstep.c b/src/backend/port/dynloader/nextstep.c
deleted file mode 100644
index 432b1487160..00000000000
--- a/src/backend/port/dynloader/nextstep.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* src/backend/port/dynloader/nextstep.c */
-
-#include "postgres.h"
-
-#include "mach-o/rld.h"
-#include "streams/streams.h"
-
-static char *lastError = NULL;
-
-static NXStream *
-OpenError()
-{
-	return NXOpenMemory(NULL, 0, NX_WRITEONLY);
-}
-
-static void
-CloseError(NXStream * s)
-{
-	if (s)
-		NXCloseMemory(s, NX_FREEBUFFER);
-}
-
-static void
-TransferError(NXStream * s)
-{
-	char	   *buffer;
-	int			len,
-				maxlen;
-
-	if (lastError)
-		free(lastError);
-	NXGetMemoryBuffer(s, &buffer, &len, &maxlen);
-	lastError = malloc(len + 1);
-	strcpy(lastError, buffer);
-}
-
-void *
-next_dlopen(char *name)
-{
-	int			rld_success;
-	NXStream   *errorStream;
-	char	   *result = NULL;
-	char	  **p;
-
-	errorStream = OpenError();
-	p = calloc(2, sizeof(void *));
-	p[0] = name;
-	rld_success = rld_load(errorStream, NULL, p, NULL);
-	free(p);
-
-	if (!rld_success)
-	{
-		TransferError(errorStream);
-		result = (char *) 1;
-	}
-	CloseError(errorStream);
-	return result;
-}
-
-int
-next_dlclose(void *handle)
-{
-	return 0;
-}
-
-void *
-next_dlsym(void *handle, char *symbol)
-{
-	NXStream   *errorStream = OpenError();
-	char		symbuf[1024];
-	unsigned long symref = 0;
-
-	snprintf(symbuf, sizeof(symbuf), "_%s", symbol);
-	if (!rld_lookup(errorStream, symbuf, &symref))
-		TransferError(errorStream);
-	CloseError(errorStream);
-	return (void *) symref;
-}
-
-char *
-next_dlerror(void)
-{
-	return lastError;
-}
diff --git a/src/backend/port/dynloader/nextstep.h b/src/backend/port/dynloader/nextstep.h
deleted file mode 100644
index 4c680d08273..00000000000
--- a/src/backend/port/dynloader/nextstep.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * port_protos.h
- *	  port-specific prototypes for NeXT
- *
- * src/backend/port/dynloader/nextstep.h
- */
-
-#ifndef PORT_PROTOS_H
-#define PORT_PROTOS_H
-
-#include "utils/dynamic_loader.h"	/* pgrminclude ignore */
-
-void	   *next_dlopen(char *name);
-int			next_dlclose(void *handle);
-void	   *next_dlsym(void *handle, char *symbol);
-char	   *next_dlerror(void);
-
-#define pg_dlopen(f)	next_dlopen
-#define pg_dlsym		next_dlsym
-#define pg_dlclose		next_dlclose
-#define pg_dlerror		next_dlerror
-
-/* port.c */
-
-#endif   /* PORT_PROTOS_H */
diff --git a/src/backend/port/dynloader/sunos4.c b/src/backend/port/dynloader/sunos4.c
deleted file mode 100644
index a43085df0a1..00000000000
--- a/src/backend/port/dynloader/sunos4.c
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- * src/backend/port/dynloader/sunos4.c
- *
- * Dummy file used for nothing at this point
- *
- * see sunos4.h
- */
diff --git a/src/backend/port/dynloader/sunos4.h b/src/backend/port/dynloader/sunos4.h
deleted file mode 100644
index 2174300e23f..00000000000
--- a/src/backend/port/dynloader/sunos4.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * sunos4.h
- *	  port-specific prototypes for SunOS 4
- *
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/backend/port/dynloader/sunos4.h
- *
- *-------------------------------------------------------------------------
- */
-#ifndef PORT_PROTOS_H
-#define PORT_PROTOS_H
-
-#include <dlfcn.h>
-#include "utils/dynamic_loader.h"	/* pgrminclude ignore */
-
-/*
- * Dynamic Loader on SunOS 4.
- *
- * this dynamic loader uses the system dynamic loading interface for shared
- * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
- * library as the file to be dynamically loaded.
- */
-
-/*
- * In some older systems, the RTLD_NOW flag isn't defined and the mode
- * argument to dlopen must always be 1.  The RTLD_GLOBAL flag is wanted
- * if available, but it doesn't exist everywhere.
- * If it doesn't exist, set it to 0 so it has no effect.
- */
-#ifndef RTLD_NOW
-#define RTLD_NOW 1
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-
-#define pg_dlopen(f)	dlopen((f), RTLD_NOW | RTLD_GLOBAL)
-#define pg_dlsym		dlsym
-#define pg_dlclose		dlclose
-#define pg_dlerror		dlerror
-
-#endif   /* PORT_PROTOS_H */
diff --git a/src/backend/port/dynloader/svr4.c b/src/backend/port/dynloader/svr4.c
deleted file mode 100644
index bd4d342b2f1..00000000000
--- a/src/backend/port/dynloader/svr4.c
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- * src/backend/port/dynloader/svr4.c
- *
- * Dummy file used for nothing at this point
- *
- * see svr4.h
- */
diff --git a/src/backend/port/dynloader/svr4.h b/src/backend/port/dynloader/svr4.h
deleted file mode 100644
index c8ac19728f9..00000000000
--- a/src/backend/port/dynloader/svr4.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * svr4.h
- *	  port-specific prototypes for Intel x86/Intel SVR4
- *
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/backend/port/dynloader/svr4.h
- *
- *-------------------------------------------------------------------------
- */
-#ifndef PORT_PROTOS_H
-#define PORT_PROTOS_H
-
-#include <dlfcn.h>
-#include "utils/dynamic_loader.h"	/* pgrminclude ignore */
-
-/*
- * Dynamic Loader on Intel x86/Intel SVR4.
- *
- * this dynamic loader uses the system dynamic loading interface for shared
- * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
- * library as the file to be dynamically loaded.
- */
-
-/*
- * In some older systems, the RTLD_NOW flag isn't defined and the mode
- * argument to dlopen must always be 1.  The RTLD_GLOBAL flag is wanted
- * if available, but it doesn't exist everywhere.
- * If it doesn't exist, set it to 0 so it has no effect.
- */
-#ifndef RTLD_NOW
-#define RTLD_NOW 1
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-
-#define pg_dlopen(f)	dlopen((f), RTLD_NOW | RTLD_GLOBAL)
-#define pg_dlsym		dlsym
-#define pg_dlclose		dlclose
-#define pg_dlerror		dlerror
-
-#endif   /* PORT_PROTOS_H */
diff --git a/src/backend/port/dynloader/ultrix4.c b/src/backend/port/dynloader/ultrix4.c
deleted file mode 100644
index f1a21502a3a..00000000000
--- a/src/backend/port/dynloader/ultrix4.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * ultrix4.c
- *	  This dynamic loader uses Andrew Yu's libdl-1.0 package for Ultrix 4.x.
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- *	  src/backend/port/dynloader/ultrix4.c
- *
- *-------------------------------------------------------------------------
- */
-#include "postgres.h"
-
-#include "dl.h"
-#include "utils/dynamic_loader.h"
-
-extern char my_exec_path[];
-
-void *
-pg_dlopen(char *filename)
-{
-	static int	dl_initialized = 0;
-	void	   *handle;
-
-	/*
-	 * 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 (!dl_init(my_exec_path))
-			return NULL;
-
-		/*
-		 * if there are undefined symbols, we want dl to search from the
-		 * following libraries also.
-		 */
-		dl_setLibraries("/usr/lib/libm_G0.a:/usr/lib/libc_G0.a");
-		dl_initialized = 1;
-	}
-
-	/*
-	 * open the file. We do the symbol resolution right away so that we will
-	 * know if there are undefined symbols. (This is in fact the same
-	 * semantics as "ld -A". ie. you cannot have undefined symbols.
-	 */
-	if ((handle = dl_open(filename, DL_NOW)) == NULL)
-	{
-		int			count;
-		char	  **list = dl_undefinedSymbols(&count);
-
-		/* list the undefined symbols, if any */
-		if (count)
-		{
-			while (*list)
-			{
-				elog(WARNING, "\"%s\" is undefined", *list);
-				list++;
-			}
-		}
-	}
-
-	return (void *) handle;
-}
diff --git a/src/backend/port/dynloader/ultrix4.h b/src/backend/port/dynloader/ultrix4.h
deleted file mode 100644
index 985013116d5..00000000000
--- a/src/backend/port/dynloader/ultrix4.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * dl.h
- *
- *
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/backend/port/dynloader/ultrix4.h
- *
- *-------------------------------------------------------------------------
- */
-/*
- *	Ultrix 4.x Dynamic Loader Library Version 1.0
- *
- *	dl.h
- *		header file for the Dynamic Loader Library
- */
-#ifndef _DL_HEADER_
-#define _DL_HEADER_
-
-#include <stdio.h>
-#include "filehdr.h"
-#include "syms.h"
-#include "ldfcn.h"
-#include "reloc.h"
-#include "scnhdr.h"
-
-
-typedef long CoreAddr;
-
-
-typedef struct ScnInfo
-{
-	CoreAddr	addr;			/* starting address of the section */
-	SCNHDR		hdr;			/* section header */
-	RELOC	   *relocEntries;	/* relocation entries */
-}	ScnInfo;
-
-typedef enum
-{
-	DL_NEEDRELOC,				/* still need relocation */
-	DL_RELOCATED,				/* no relocation necessary */
-	DL_INPROG					/* relocation in progress */
-}	dlRStatus;
-
-typedef struct JmpTbl
-{
-	char	   *block;			/* the jump table memory block */
-	struct JmpTbl *next;		/* next block */
-}	JmpTbl;
-
-typedef struct dlFile
-{
-	char	   *filename;		/* file name of the object file */
-
-	int			textSize;		/* used by mprotect */
-	CoreAddr	textAddress;	/* start addr of text section */
-	long		textVaddr;		/* vaddr of text section in obj file */
-	CoreAddr	rdataAddress;	/* start addr of rdata section */
-	long		rdataVaddr;		/* vaddr of text section in obj file */
-	CoreAddr	dataAddress;	/* start addr of data section */
-	long		dataVaddr;		/* vaddr of text section in obj file */
-	CoreAddr	bssAddress;		/* start addr of bss section */
-	long		bssVaddr;		/* vaddr of text section in obj file */
-
-	int			nsect;			/* number of sections */
-	ScnInfo    *sect;			/* details of each section (array) */
-
-	int			issExtMax;		/* size of string space */
-	char	   *extss;			/* extern sym string space (in core) */
-	int			iextMax;		/* maximum number of Symbols */
-	pEXTR		extsyms;		/* extern syms */
-
-	dlRStatus	relocStatus;	/* what relocation needed? */
-	int			needReloc;
-
-	JmpTbl	   *jmptable;		/* the jump table for R_JMPADDR */
-
-	struct dlFile *next;		/* next member of the archive */
-}	dlFile;
-
-typedef struct dlSymbol
-{
-	char	   *name;			/* name of the symbol */
-	long		addr;			/* address of the symbol */
-	dlFile	   *objFile;		/* from which file */
-}	dlSymbol;
-
-/*
- * prototypes for the dl* interface
- */
-extern void *dl_open( /* char *filename, int mode */ );
-extern void *dl_sym( /* void *handle, char *name */ );
-extern void dl_close( /* void *handle */ );
-extern char *dl_error( /* void */ );
-
-#define   DL_LAZY		0		/* lazy resolution */
-#define   DL_NOW		1		/* immediate resolution */
-
-/*
- * Miscellaneous utility routines:
- */
-extern char **dl_undefinedSymbols( /* int *count */ );
-extern void dl_printAllSymbols( /* void *handle */ );
-extern void dl_setLibraries( /* char *libs */ );
-
-#endif   /* _DL_HEADER_ */
diff --git a/src/backend/port/dynloader/univel.c b/src/backend/port/dynloader/univel.c
deleted file mode 100644
index ffa7177d5e0..00000000000
--- a/src/backend/port/dynloader/univel.c
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- * src/backend/port/dynloader/univel.c
- *
- * Dummy file used for nothing at this point
- *
- * see univel.h
- */
diff --git a/src/backend/port/dynloader/univel.h b/src/backend/port/dynloader/univel.h
deleted file mode 100644
index 53a705cc34b..00000000000
--- a/src/backend/port/dynloader/univel.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * src/backend/port/dynloader/univel.h
- *
- *-------------------------------------------------------------------------
- *
- * univel.h
- *	  port-specific prototypes for Intel x86/UNIXWARE
- *
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * univel.h,v 1.2 1995/03/17 06:40:18 andrew Exp
- *
- *-------------------------------------------------------------------------
-  */
-#ifndef PORT_PROTOS_H
-#define PORT_PROTOS_H
-
-#include <dlfcn.h>
-#include "utils/dynamic_loader.h"	/* pgrminclude ignore */
-
-/*
- * Dynamic Loader on Intel x86/Intel SVR4.
- *
- * this dynamic loader uses the system dynamic loading interface for shared
- * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
- * library as the file to be dynamically loaded.
- */
-
-/*
- * In some older systems, the RTLD_NOW flag isn't defined and the mode
- * argument to dlopen must always be 1.  The RTLD_GLOBAL flag is wanted
- * if available, but it doesn't exist everywhere.
- * If it doesn't exist, set it to 0 so it has no effect.
- */
-#ifndef RTLD_NOW
-#define RTLD_NOW 1
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-
-#define pg_dlopen(f)	dlopen((f), RTLD_NOW | RTLD_GLOBAL)
-#define pg_dlsym		dlsym
-#define pg_dlclose		dlclose
-#define pg_dlerror		dlerror
-
-#endif   /* PORT_PROTOS_H */
diff --git a/src/backend/port/dynloader/unixware.h b/src/backend/port/dynloader/unixware.h
index 1c4e3f904ff..19141ca8d02 100644
--- a/src/backend/port/dynloader/unixware.h
+++ b/src/backend/port/dynloader/unixware.h
@@ -21,7 +21,7 @@
 #include "utils/dynamic_loader.h"	/* pgrminclude ignore */
 
 /*
- * Dynamic Loader on Intel x86/Intel SVR4.
+ * Dynamic Loader on UnixWare.
  *
  * this dynamic loader uses the system dynamic loading interface for shared
  * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
diff --git a/src/backend/port/nextstep/Makefile b/src/backend/port/nextstep/Makefile
deleted file mode 100644
index d6cda343e21..00000000000
--- a/src/backend/port/nextstep/Makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-#-------------------------------------------------------------------------
-#
-# Makefile--
-#    Makefile for port/nextstep
-#
-# IDENTIFICATION
-#    src/backend/port/nextstep/Makefile
-#
-#-------------------------------------------------------------------------
-
-subdir = src/backend/port/nextstep
-top_builddir = ../../../..
-include $(top_builddir)/src/Makefile.global
-
-OBJS = port.o
-
-include $(top_srcdir)/src/backend/common.mk
diff --git a/src/backend/port/nextstep/port.c b/src/backend/port/nextstep/port.c
deleted file mode 100644
index f81a83a17a0..00000000000
--- a/src/backend/port/nextstep/port.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * src/backend/port/nextstep/port.c
- */
-#include "postgres.h"
-
-#ifndef _POSIX_SOURCE
-#include "libc.h"
-#else
-#include <unistd.h>
-#endif
-
-#include <sys/signal.h>
-
-
-void
-putenv(char *name)
-{
-	extern char **environ;
-	static int	was_mallocated = 0;
-	int			size;
-
-	/* Compute the size of environ array including the final NULL */
-	for (size = 1; environ[size++];)
-		 /* nothing */ ;
-
-	if (!was_mallocated)
-	{
-		char	  **tmp = environ;
-		int			i;
-
-		was_mallocated = 1;
-		environ = malloc(size * sizeof(char *));
-		for (i = 0; i < size; i++)
-			environ[i] = tmp[i];
-	}
-
-	environ = realloc(environ, (size + 1) * sizeof(char *));
-	environ[size - 1] = strcpy(malloc(strlen(name) + 1), name);
-	environ[size] = NULL;
-}
-
-#ifndef _POSIX_SOURCE
-int
-sigaddset(int *set, int signo)
-{
-	*set |= sigmask(signo);
-	return *set;
-}
-
-int
-sigemptyset(int *set)
-{
-	return *set = 0;
-}
-
-char *
-getcwd(char *buf, size_t size)
-{
-	return getwd(buf);
-}
-
-#endif