File: 78-configure.txt

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// vim:set filetype=asciidoc:
[[configure-single]]
=== Makefile.in + configure (single-binary package)

Here is an example of creating a simple Debian package from a simple C source program using *Makefile.in* and *configure* as its build system.

This is an enhanced upstream source example for "`<<makefile-single>>`".  This also links to an external library, *libm*, and this source is configurable using arguments to the *configure* script, which generates the *Makefile* and *src/config.h* files.

Let's assume this upstream tarball to be *debhello-1.5.tar.gz*.

This type of source is meant to be installed as a non-system file, for example, as:

----
 $ tar -xzmf debhello-1.5.tar.gz
 $ cd debhello-1.5
 $ ./configure --with-math
 $ make
 $ make install
----

Let's get the source and make the Debian package.

.Download *debhello-1.5.tar.gz*
----
include::../examples/debhello-1.5_build-1/step000.slog[]
----

Here, the contents of this source are as follows.


.*src/hello.c* (v=1.5):
----
include::../examples/debhello-1.5_build-1/step101.slog[]
----

.*Makefile.in* (v=1.5):
----
include::../examples/debhello-1.5_build-1/step102.slog[]
----

.*configure* (v=1.5):
----
include::../examples/debhello-1.5_build-1/step103.slog[]
----

Please note that the *configure* command replaces strings with *@...@* in *Makefile.in* to produce *Makefile* and creates *src/config.h*.

Let's package this with the *debmake* command.

----
include::../examples/debhello-1.5_build-1/step200.slog[lines=1..3]
 ...
include::../examples/debhello-1.5_build-1/step200.slog-sanity[]
 ...
----

The result is similar to "`<<step-debmake>>`" but not exactly the same.

Let's inspect the notable template files generated.

// .The source tree after the basic *debmake* execution. (v=1.5)
// ----
// include::../examples/debhello-1.5_build-1/step201.slog[]
// ----

.*debian/rules* (template file, v=1.5):
----
include::../examples/debhello-1.5_build-1/step202.slog[]
----

Let's make this Debian package better as the maintainer.

.*debian/rules* (maintainer version, v=1.5):
----
include::../examples/debhello-1.5_build-1/step301.slog[]
----

There are several other template files under the *debian/* directory.  These also need to be updated.

The rest of the packaging activities are practically the same as the one in "`<<step-debuild>>`".