Clean up AIX build to avoid 'duplicate symbol' warnings, by moving use

of postgres.imp file into BE_DLLLIBS macro.  This makes the AIX build
work more like the Windows and Darwin builds, which have similar requirements
to mention a backend library when linking shared libraries that will be
dynamically loaded into the backend.

src/Makefile.shlib

@@ -6,7 +6,7 @@
 # Copyright (c) 1998, Regents of the University of California
 #
 # IDENTIFICATION
-#    $PostgreSQL: pgsql/src/Makefile.shlib,v 1.97 2005/08/08 03:35:13 tgl Exp $
+#    $PostgreSQL: pgsql/src/Makefile.shlib,v 1.98 2005/10/28 17:32:22 tgl Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -309,7 +309,7 @@ else # PORTNAME == aix
 # AIX case
 $(shlib): lib$(NAME).a
 	$(MKLDEXPORT) lib$(NAME).a > lib$(NAME)$(EXPSUFF)
-	$(COMPILER) $(LDFLAGS_SL) -o $@ $< $(LDFLAGS) $(SHLIB_LINK) -Wl,-bI:$(top_builddir)/src/backend/$(POSTGRES_IMP) -Wl,-bE:lib$(NAME)$(EXPSUFF)
+	$(COMPILER) $(LDFLAGS) $(LDFLAGS_SL) -o $@ $< -Wl,-bE:lib$(NAME)$(EXPSUFF) $(SHLIB_LINK)
 	
 endif # PORTNAME == aix
 

src/makefiles/Makefile.aix

@@ -21,13 +21,18 @@ IMPSUFF= .imp
 
 POSTGRES_IMP= postgres$(IMPSUFF)
 
+ifdef PGXS
+BE_DLLLIBS= -Wl,-bI:$(DESTDIR)$(bindir)/postgres/$(POSTGRES_IMP)
+else
+BE_DLLLIBS= -Wl,-bI:$(top_builddir)/src/backend/$(POSTGRES_IMP)
+endif
+
 MKLDEXPORT=$(top_srcdir)/src/backend/port/aix/mkldexport.sh
 
 %$(EXPSUFF): %.o
 	$(MKLDEXPORT) $*.o > $*$(EXPSUFF)
 
 %$(DLSUFFIX): %.o %$(EXPSUFF)
-	@echo Making shared library $@ from $*.o, $*$(EXPSUFF) and postgres.imp
-	$(CC) $(LDFLAGS) $(LDFLAGS_SL) -o $@ $*.o -Wl,-bI:$(top_builddir)/src/backend/$(POSTGRES_IMP) -Wl,-bE:$*$(EXPSUFF) $(SHLIB_LINK)
+	$(CC) $(LDFLAGS) $(LDFLAGS_SL) -o $@ $*.o -Wl,-bE:$*$(EXPSUFF) $(SHLIB_LINK)
 
 sqlmansect = 7