--- make.inc.orig	2015-05-20 19:56:03.000000000 +0800
+++ make.inc	2023-01-19 23:59:08.000000000 +0800
@@ -5,15 +5,11 @@
 ############################################################
 
 # directory where the library will be installed
-INSTALLDIR := $(HOME)
+INSTALLDIR := @PREFIX@/lib
 
 # fortran compiler and flags
-FC := gfortran
+FC := @FC@
 FFLAGS := -O3 -std=f95
 
 # libs required by compiler
 LIBS := 
-
-
-
-

--- Makefile.orig	2015-05-20 19:56:03.000000000 +0800
+++ Makefile	2023-01-20 00:12:15.000000000 +0800
@@ -3,11 +3,11 @@
 SRCS := $(wildcard ./src/*/*.f90)
 OBJS := $(SRCS:.f90=.o)
 
-all: lib$(LIBNAME).$(SLIB).$(VERSION)
+all: lib$(LIBNAME).$(SLIB)
 
-install: lib$(LIBNAME).$(SLIB).$(VERSION)
-	@mkdir -p $(INSTALLDIR)/$(LIBNAME)/lib
-	@cp ./lib$(LIBNAME).$(SLIB).$(VERSION) $(INSTALLDIR)/$(LIBNAME)/lib
+install: lib$(LIBNAME).$(SLIB)
+	@mkdir -p $(INSTALLDIR)
+	@cp ./lib$(LIBNAME).$(SLIB) $(INSTALLDIR)
 
 example%:
 	@$(MAKE) $@ -C ./example
@@ -18,8 +18,8 @@
 benchmark%:
 	@$(MAKE) $@ -C ./benchmark
 
-lib$(LIBNAME).$(SLIB).$(VERSION): srcs
-	$(FC) $(FFLAGS) -shared -o lib$(LIBNAME).$(SLIB).$(VERSION) $(OBJS) 
+lib$(LIBNAME).$(SLIB): srcs
+	$(FC) $(FFLAGS) -shared -o lib$(LIBNAME).$(SLIB) $(OBJS) 
 
 srcs:
 	@$(MAKE) $@ -C ./src
@@ -32,6 +32,6 @@
 	@$(MAKE) clean -C ./example
 	@$(MAKE) clean -C ./test
 	@$(MAKE) clean -C ./benchmark
-	@rm -f lib$(LIBNAME).$(SLIB).$(VERSION)
+	@rm -f lib$(LIBNAME).$(SLIB)