changed Makefile and added conf file

.vscode/c_cpp_properties.json

+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/home/paras/git/postgres/install/include/server"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "gnu17",
+            "cppStandard": "gnu++14",
+            "intelliSenseMode": "gcc-x64"
+        }
+    ],
+    "version": 4
+}
\ No newline at end of file

Makefile

@@ -5,17 +5,13 @@ PGFILEDESC = "lsm tree index based on existing btree index"
 EXTENSION = lsm
 DATA = lsm--1.0.sql
 
-REGRESS = test
-REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/lsm3/lsm3.conf
+#REGRESS = test
+#REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/lsm3/lsm3.conf
 
 
-ifdef USE_PGXS
-PG_CONFIG ?= pg_config
+
+# postgres build stuff
+PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
-else
-subdir = contrib/lsm3
-top_builddir = ../..
-include $(top_builddir)/src/Makefile.global
-include $(top_srcdir)/contrib/contrib-global.mk
-endif
+

lsm.conf

+shared_preload_libraries = 'lsm'
+lsm.top_index_size=1MB