Remove USE_PGXS usage

Michael Paquier · Michael Paquier · commit 85597331036a · 2016-01-13T10:57:59.000+09:00
Let's be honest, this is not going to be integrated into Postgres core,
so let's make things simpler.
diff --git a/Makefile b/Makefile
@@ -36,16 +36,9 @@ PG_LIBS = $(libpq_pgport)
 
 REGRESS = option init show_validate backup_restore
 
-ifdef USE_PGXS
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
-else
-subdir = contrib/pg_arman
-top_builddir = ../..
-include $(top_builddir)/src/Makefile.global
-include $(top_srcdir)/contrib/contrib-global.mk
-endif
 
 # remove dependency to libxml2 and libxslt
 LIBS := $(filter-out -lxml2, $(LIBS))
