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Alternative Makefile to show Makefile facilities
Putting it all together example from a Well House Consultants training course
More on Putting it all together [link]

This example is described in the following article(s):
   • Make and makefiles - a commented example to help you learn - [link]

Source code: Make_mark_2 Module: C239

# Using a variable as a macro to save re-typing
HEADERS=Film.h HireFilm.h
HEADERS+=Expense.h iostream

# Tell Make where to look for dependencies
# in addition to current directory

# If you call up a ".txt" dependency it will be
# in your "docs" sibling directory
vpath %.txt ../docs

# Use variables for common utilities that may change
# globally and you don't want to have to rework the
# whole make file!!

# Global flags for all compiles

# Code that calls in other code
HIGHSOURCE=Filmtest.cpp HireFilm.cpp
LOWSOURCE=Film.cpp Expense.cpp
# We want an equivalent list of object files

# ---------------------------------------------

# Standard Rules

# If I say "make summat.html" it copies the .txt
# file from the docs area.

# Note - first line scraps any old standard rules!

.SUFFIXES: .html .txt

# How to convert a .txt file into a .html one!

        @echo "<html><body>" > $@
        @cat ../docs/$< >> $@
        @echo "</body></html>" >> $@
        @echo "Web Page $@ created"

# ---------------------------------------------

# First rule is what is done if you just say "make"

all: Filmtest
        @echo "The whole caboodle is now up to date"

Filmtest: $(HIGHOBJ) $(LOWOBJ) about.txt
        $(CC) -o Filmtest $(HIGHOBJ) $(LOWOBJ)

Filmtest.o: Filmtest.cpp $(HEADERS)
        $(CC) -c $(CFLAGS) Filmtest.cpp

# I want the following structure to be default
# Film.o: Film.cpp Film.h
# $(CC) -c $(CFLAGS) Film.cpp
# Expense.o: Expense.cpp Expense.h
# $(CC) -c $(CFLAGS) Expense.cpp
# $@ is the target
# $< is the first dependency
# Works for Film.cpp and Expense.cpp in this example

%.o: %.cpp %.h
        $(CC) -c $(CFLAGS) -o $@ $<

# Here is one we have left in because it's not
# exactly the same compile structure!

HireFilm.o: HireFilm.cpp $(HEADERS)
        $(CC) -c $(CFLAGS) HireFilm.cpp

# @ supresses command echo
# - says "carry on even if error"

        @-rm *.o
        @-rm Filmtest
        @-rm *.html
        @echo "Clean dup"

# N.B. Makefile can contain ifs and elses ...
# not shown in this particular example.
Learn about this subject
This module and example are covered on the following public courses:
 * Learning to program in C and C++
 * C++ for C Programmers
 * C and C++ Programming
 * Learning to program in C and C++
 * C and C++ Programming
Also available on on site courses for larger groups

Books covering this topic
Yes. We have over 700 books in our library. Books covering C and C++ are listed here and when you've selected a relevant book we'll link you on to Amazon to order.

Other Examples
This example comes from our "Putting it all together" training module. You'll find a description of the topic and some other closely related examples on the "Putting it all together" module index page.

Full description of the source code
You can learn more about this example on the training courses listed on this page, on which you'll be given a full set of training notes.

Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License.

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