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eWoms hereby declares full independence. Humor aside, the main technical advantage of this is, that it is now possible to easily install both, Dumux and eWoms on a system using a package management system without bad tricks.
89 lines
3.1 KiB
TeX
89 lines
3.1 KiB
TeX
\chapter{Creating a new directory for source code}
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In this section, we describe how setting up a new directory for source
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code. In fact, it is very easy to create a new directory, but getting
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\Dune build system to recognize the new folder takes some steps which
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will be explained in more detail below:
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\begin{itemize}
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\item Create new directory with content. Quite often an existing
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directory can be used as a base for the new one.
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\item Adapt \texttt{Makefile.am} in the new directory and add this
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direcory to the \texttt{SUBDIRS} list of the \texttt{Makefile.am} in
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the directory above the one which you just created.
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\item Adapt \texttt{configure.ac} in the \eWoms base directory (the
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directory to which you checked out or unpacked the \eWoms source
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code, probably \texttt{ewoms})
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\item Run the command \texttt{automake} in the \eWoms base directory.
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\item Re-compile \eWoms by typing \texttt{make} in the \eWoms base
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directory.
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\end{itemize}
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\noindent In more detail:
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\textbf{First} of all, the new directory including all relevant files
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needs to be created (see section \ref{tutorial-coupled} and
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\ref{tutorial-decoupled} for description of how to define problems).
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\textbf{Second}, a new \texttt{Makefile.am} for the new directory
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needs to be created. It is good practice to simply copy and modify an
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existing file. For example, the file \texttt{tutorial/Makefile.am}
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looks as follows:
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\begin{verbatim}
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# programs just to build when "make check" is used
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check_PROGRAMS = tutorial_decoupled tutorial_coupled
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noinst_HEADERS= *.hh
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EXTRA_DIST = CMakeLists.txt
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tutorial_coupleddir = $(datadir)/ewoms/tutorial
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tutorial_coupled_SOURCES = tutorial_coupled.cc
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tutorial_coupled_DATA = $(tutorial_coupled_SOURCES)
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include $(top_srcdir)/am/global-rules
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\end{verbatim}
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All occurrences of \texttt{tutorial\_coupled} need to be replaced by
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the name of the new project, e.g. \texttt{new\_project}. At least if
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the name of the source file as well as the name of the new project are
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\texttt{new\_project}.
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\textbf{Third}: In the parent directory of the directory which you
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created, there is also a \texttt{Makefile.am}. In this file the
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sub-directories are listed. As you introduced a new sub-directory, it
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needs to be included there. In this case, the name of the new
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directory is \texttt{new\_project}.
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\begin{verbatim}
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...
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SUBDIRS = doc ewoms m4 test tutorial new_project
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...
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\end{verbatim}
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\textbf{Fourth}: In \eWoms base directory there is a file
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\texttt{configure.ac}. In this file, the respective Makefiles are
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listed. After a line reading
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\texttt{AC\_CONFIG\_FILES([Makefile}
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\noindent a line, declaring a new Makefile, needs to be added. The
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Makefile itself will be generated automatically from the
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\texttt{Makefile.am} file which you just generated. For keeping track
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of the included files, it is adviced to insert new Makefiles in
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alphabetical order. The new line could read:
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\texttt{new\_project/Makefile}
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\textbf{Fifth}: Run the command \texttt{automake} in the \eWoms base
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directory.
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\textbf{Sixth}: Re-compile \eWoms as described in Section \ref{install}.
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: "ewoms-handbook"
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%%% End:
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