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diff --git a/src/mk/postgres.user.mk b/src/mk/postgres.user.mk
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+#-------------------------------------------------------------------------
+#
+# postgres.user.mk--
+#    rules for building object/shared libraries used in dynamic loading. 
+#    To use the rules, set the following variables:
+#	DLOBJS     - objects to be linked in dynamically
+#    This makefile adds the files you need to build to CREATEFILES.
+#
+#    For building user modules (user functions to be loaded in dynamically).
+#    Make sure the following variables are set properly (You can either
+#    define them manually or include postgres.mk which defines them.):
+#	MKDIR	    - where postgres makefiles are
+#	includedir  - where header files are installed
+#	PORTNAME    - your platform (alpha, sparc, sparc_solaris, etc.)
+#	objdir	    - where to put the generated files
+#
+#    An SQL script foo.sql or a shell script foo.sh generated from foo.source.
+#    Occurrence of the following strings will be replaced with the respective
+#    values. This is a feeble attempt to provide "portable" scripts.
+#	_CWD_	    - current working directory
+#	_OBJWD_     - where the generated files (eg. object files) are
+#	_SLSUFF_    - suffix of the shared library or object for
+#	              dynamic loading
+#	_USER_	    - the login of the user
+#
+# Copyright (c) 1994-5, Regents of the University of California
+#
+#
+# IDENTIFICATION
+#    $Header: /cvsroot/pgsql/src/mk/Attic/postgres.user.mk,v 1.1.1.1 1996/07/09 06:22:19 scrappy Exp $
+#
+#-------------------------------------------------------------------------
+
+-include $(MKDIR)/port/postgres.mk.$(PORTNAME)
+CFLAGS+=  -I$(includedir) $(CFLAGS_SL)
+
+%.sql: %.source
+	if [ -z "$$USER" ]; then USER=$$LOGNAME; fi; \
+	if [ -z "$$USER" ]; then USER=`whoami`; fi; \
+	if [ -z "$$USER" ]; then echo 'Cannot deduce $$USER.'; exit 1; fi; \
+	rm -f $(objdir)/$*.sql; \
+	C=`pwd`; \
+	sed -e "s:_CWD_:$$C:g" \
+	    -e "s:_OBJWD_:$$C/$(objdir):g" \
+	    -e "s:_SLSUFF_:$(SLSUFF):g" \
+	    -e "s/_USER_/$$USER/g" < $*.source > $(objdir)/$*.sql
+
+#How to create a dynamic lib
+%.so.1:	%.so
+	@rm -f $(objdir)/$(@F)
+	$(CC) -shared $< -o $(objdir)/$(@F)
+
+%.sh: %.source
+	if [ -z "$$USER" ]; then USER=$$LOGNAME; fi; \
+	if [ -z "$$USER" ]; then USER=`whoami`; fi; \
+	if [ -z "$$USER" ]; then echo 'Cannot deduce $USER.'; exit 1; fi; \
+	rm -f $(objdir)/$*.sh; \
+	C="`pwd`/"; \
+	sed -e "s:_CWD_:$$C:g" \
+	    -e "s:_OBJWD_:$$C/$(objdir):g" \
+	    -e "s:_SLSUFF_:$(SLSUFF):g" \
+	    -e "s/_USER_/$$USER/g" < $*.source > $(objdir)/$*.sh
+
+#
+# plus exports files
+#
+ifdef EXPSUFF
+CREATEFILES+= $(DLOBJS:.o=$(EXPSUFF))
+endif
+
+#
+# plus shared libraries
+#
+ifdef SLSUFF
+ifneq ($(SLSUFF), '.o')
+CREATEFILES+= $(DLOBJS:.so=$(SLSUFF))
+endif
+endif
+