installl locally for testing, c++ 17

Makefile

@@ -36,12 +36,12 @@
 CXX= g++
 CC = $(CXX)
 LD = $(CXX)
-#DEBUG = -g
+DEBUG = -ggdb3
 RANLIB = ranlib
-OPTIM = -O2
+#OPTIM = -O2
 
 INCLUDE = -I.
-CXXFLAGS += -std=c++11 -fPIC -D_REENTRANT $(DEBUG) $(OPTIM) $(WARN) $(INCLUDE)
+CXXFLAGS += -std=c++17 -fPIC -D_REENTRANT $(DEBUG) $(OPTIM) $(WARN) $(INCLUDE)
 CFLAGS = $(CXXFLAGS)
 PROJECTHOME = .
 ##############################################
@@ -72,6 +72,15 @@ PREFIX = /runtime
 # installation directories
 DESTDIRLIB = $(PREFIX)/lib
 DESTDIRHEADERS = $(PREFIX)/include
+
+#for testintin and local development
+LOCALPREFIX = $(HOME)/runtime
+##########################
+# installation directories
+LOCALDESTDIRLIB = $(LOCALPREFIX)/lib
+LOCALDESTDIRHEADERS = $(LOCALPREFIX)/include
+##########################
+
 # header files to be installed for distribution
 INSTHEADERS = periodicspline.h spline.h multipolynomial.h interpolatingpolynomial.h interpolator.h
 ################################################
@@ -161,6 +170,15 @@ distclean: clean docclean
 	rm -f $(PROJECTHOME)/lib/*.a $(PROJECTHOME)/lib/*.so*
 	rm -rf lib
 
+localinstall: lib
+	install -d $(LOCALDESTDIRLIB)
+	install -d $(LOCALDESTDIRHEADERS)
+	install $(PROJECTHOME)/lib/$(DT_SHLIB) $(LOCALDESTDIRLIB)
+	install $(INSTHEADERS) $(LOCALDESTDIRHEADERS)
+	rm -f $(LOCALDESTDIRLIB)/$(SHLIB)
+	rm -f $(LOCALDESTDIRLIB)/$(DT_SONAME)
+	cd $(LOCALDESTDIRLIB); ln -s $(DT_SHLIB) $(SHLIB);ln -s $(DT_SHLIB) $(DT_SONAME)
+	
 install: lib
 	install -d $(DESTDIRLIB)
 	install -d $(DESTDIRHEADERS)