⚡ compilation as library enabled

.gitignore

 obj/*
+!obj/.gitkeep
 bin/*
+!bin/.gitkeep
 run/gebt*
 run/output*
 test.sh
 .DS_Store
 
+lib/*.
+!lib/.gitkeep
+run/
+include/*
+!include/.gitkeep
\ No newline at end of file

Makefile

@@ -2,18 +2,19 @@ CC=gcc
 CF=gfortran
 LD=gcc
 LIBS=-lgfortran -lreadinifile
-CFLAGS=-g
-F90FLAGS=-g -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all -ffpe-trap=zero,overflow,underflow -finit-real=nan
-FFLAGS=-g -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all -ffpe-trap=zero,overflow,underflow -finit-real=nan
+CFLAGS=-g -fPIC
+F90FLAGS=-g -fPIC -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all -ffpe-trap=zero,overflow,underflow -finit-real=nan
+FFLAGS=-g -fPIC -fimplicit-none -fbacktrace -ffree-line-length-0 -fcheck=all -ffpe-trap=zero,overflow,underflow -finit-real=nan
 # List of directories
 DIRC=src/interface
 DIRF90=src/fortran90
 DIRF=src/fortran
 OBJDIR=obj
 BINDIR=bin
+LIBDIR=bin
 
 # List of objects
-OBJC=c_analysis.o beam.o main.o
+OBJC=c_analysis.o beam.o
 OBJF90= CPUtime.o GlobalDataFun.o TimeFunction.o PrescribedCondition.o InternalData.o Preprocess.o Element.o Member.o System.o  Solve.o EigenSolve.o Analysis.o Wrappers.o
 OBJF=ddep.o ma28.o  mc19.o blas.o lapack.o arpack.o
 
@@ -22,7 +23,15 @@ OBJC       := $(OBJC:%.o=$(OBJDIR)/%.o)
 OBJF90     := $(OBJF90:%.o=$(OBJDIR)/%.o)
 OBJF       := $(OBJF:%.o=$(OBJDIR)/%.o)
 
-default: $(OBJC) $(OBJF90) $(OBJF)
+default: lib
+
+# This default rule is to compile the gebt as an independent library
+lib: $(OBJC) $(OBJF90) $(OBJF)
+	$(LD) $(CFLAGS) -o libgebt.so -shared $^ $(LIBS)
+	cp src/interface/*.h ./include/
+
+# Create an executable. Requires a main.c file in the OBJDIR directory
+exe: $(OBJC) $(OBJF90) $(OBJF) $(OBJDIR)/main.o
 	$(LD) $(CFLAGS) -o $(BINDIR)/gebt $^ $(LIBS)
 	cp $(BINDIR)/gebt run/
 
@@ -36,6 +45,7 @@ $(OBJF): $(OBJDIR)/%.o: $(DIRF)/%.f
 	$(CF) $(FFLAGS) -fallow-argument-mismatch -c -o  $@ $< -J$(OBJDIR)
 
 clean:
-	rm $(OBJDIR)/*.o
-	rm $(OBJDIR)/*.mod
-	rm $(BINDIR)/gebt
\ No newline at end of file
+	rm -vf $(OBJDIR)/*.o
+	rm -vf $(OBJDIR)/*.mod
+	rm -vf $(BINDIR)/gebt
+	rm -vf $(BINDIR)/libgebt.so

src/interface/beam.h

 
+
+#ifndef _BEAM_H_
+#define _BEAM_H_
+
+
 #define NSTRN 6
 #define NDIM 3
 #define MEMB_CONST 7
@@ -120,3 +125,7 @@ void initBeam(Beam *bm);
 void beam_setLoads(Beam *bm, double *loads, int load_no);
 void beam_writeSolToFile(Beam *bm);
 void freeBeam(Beam *bm);
+
+
+
+#endif
\ No newline at end of file