Garfield++ installation, garfroot.C

Try:

OBJDIR  = $(GARFIELD_HOME)/Object
SRCDIR  = $(GARFIELD_HOME)/Source
INCDIR  = $(GARFIELD_HOME)/Include
HEEDDIR = $(GARFIELD_HOME)/Heed
LIBDIR  = $(GARFIELD_HOME)/Library

# Compiler (and Linker)
CXX = `root-config --cxx`

# Compiler (and Linker) flags
CXXFLAGS  = `root-config --cflags`
CXXFLAGS += -I$(INCDIR) -I$(HEEDDIR)
# Code Generation and Optimization flags
CXXFLAGS += -fno-common -fPIC -O3
# Warning flags
CXXFLAGS += -W -Wall -Wextra -Wno-long-long
# Debug flags
CXXFLAGS += -g

# Libraries (note: the order matters)
LDLIBS  = -L$(LIBDIR) -Wl,--whole-archive -lGarfield -Wl,--no-whole-archive
# Fortran libraries
LDLIBS += -lgfortran
# ROOT libraries
LDLIBS += `root-config --evelibs`

garfroot: garfroot.C
	$(CXX) $(CXXFLAGS) -o $@ $^ $(LDLIBS)