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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008 - INRIA - Allan CORNET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
-->
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="compile_and_run_call_scilab" xml:lang="en">
<refnamediv>
<refname>Compile and run with Call Scilab</refname>
<refpurpose>How to compile a native application based on or using
Scilab
</refpurpose>
</refnamediv>
<refsection>
<title>Compilation</title>
<para>To compile a native code based on Call Scilab, it is necessary to
define some arguments, variables and paths.
</para>
<itemizedlist>
<listitem>
<para>CFLAGS. Call Scilab needs to have access to the headers of
Scilab core and call Scilab module.
</para>
<itemizedlist>
<listitem>
<para>Linux/Unix/MacOSX:</para>
<itemizedlist>
<listitem>
<para>In the binary version of Scilab, CFLAGS must be set to
/path/to/scilab/include/scilab/core/ and
/path/to/scilab/include/scilab/call_scilab/
</para>
</listitem>
<listitem>
<para>In the source tree of Scilab, CFLAGS must be set to
/path/to/scilab/modules/core/includes/ and
/path/to/scilab/modules/call_scilab/includes/
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>Windows</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>LD_LIBRARY_PATH - Paths to libscilab.so and libjavasci.so (or
.dll, .jnilib...)
</para>
<itemizedlist>
<listitem>
<para>Linux/Unix/MacOSX:</para>
<itemizedlist>
<listitem>
<para>In the binary version of Scilab, SCI will point to
/path/to/scilab/lib/scilab/
</para>
</listitem>
<listitem>
<para>In the source tree of Scilab, SCI will point to the root
of the source tree /path/to/scilab/modules/call_scilab/.libs/
and /path/to/scilab/.libs/
</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>LDFLAGS - The name of the library to link against</para>
<itemizedlist>
<listitem>
<para>Linux/Unix/MacOSX: It is only mandatory to link against
scilab. This should include the other libraries.
</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
<para>The following example is a Makefile to build against Scilab binary</para>
<programlisting role="example"><![CDATA[
# A sample Makefile building a C code using Call Scilab using Scilab binary
PATH_SCILAB = /path/to/scilab/
# Note that PATH_SCILAB can be /usr/ is using a packaged version of Scilab.
SCILAB_CFLAGS = -I$(PATH_SCILAB)/include/scilab/
SCILAB_LDFLAGS = -lscilab
PATH_TO_LIB_SCILAB = $(PATH_SCILAB)/lib/scilab/
PATH_TO_LIB_CALL_SCILAB = $(PATH_SCILAB)/lib/scilab/
all: simple_call_scilab.c
export LD_LIBRARY_PATH=$(PATH_TO_LIB_SCILAB):$(PATH_TO_LIB_CALL_SCILAB)
gcc -o myExample $(SCILAB_LDFLAGS) -L$(PATH_TO_LIB_SCILAB) -L$(PATH_TO_LIB_CALL_SCILAB) $(SCILAB_CFLAGS) simple_call_scilab.c
]]></programlisting>
<para>The following example is a Makefile to build against Scilab source tree</para>
<programlisting role="example"><![CDATA[
# A sample Makefile building a C code using Call Scilab using Scilab built in it source tree.
PATH_SCILAB = /path/to/scilab/sources/
SCILAB_CFLAGS = -I$(PATH_SCILAB)/modules/core/includes/ -I$(PATH_SCILAB)/modules/call_scilab/includes/
SCILAB_LDFLAGS = -lscilab
PATH_TO_LIB_SCILAB = $(PATH_SCILAB)/modules/.libs/
PATH_TO_LIB_CALL_SCILAB = $(PATH_SCILAB)/modules/call_scilab/.libs/
all: simple_call_scilab.c
export LD_LIBRARY_PATH=$(PATH_TO_LIB_SCILAB):$(PATH_TO_LIB_CALL_SCILAB)
gcc -o myExample $(SCILAB_LDFLAGS) -L$(PATH_TO_LIB_SCILAB) -L$(PATH_TO_LIB_CALL_SCILAB) $(SCILAB_CFLAGS) simple_call_scilab.c
]]></programlisting>
</refsection>
<refsection>
<title>Running</title>
<para>To run an application based on Call Scilab, there are a few other
things to set up.
</para>
<para>Some global variables must me set:</para>
<itemizedlist>
<listitem>
<para>SCI - Path to Scilab files</para>
<itemizedlist>
<listitem>
<para>Linux/Unix/MacOSX:</para>
<itemizedlist>
<listitem>
<para>In the binary version of Scilab, SCI will point to
/path/to/scilab/share/scilab/
</para>
</listitem>
<listitem>
<para>In the source tree of Scilab, SCI will point to the root
of the source tree /path/to/scilab/source/tree/
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>Windows:</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>LD_LIBRARY_PATH - Paths to libscilab.so and libjavasci.so (or
.dll, .jnilib...)
</para>
<itemizedlist>
<listitem>
<para>Linux/Unix/MacOSX:</para>
<itemizedlist>
<listitem>
<para>In the binary version of Scilab, SCI will point to
/path/to/scilab/lib/scilab/
</para>
</listitem>
<listitem>
<para>In the source tree of Scilab, SCI will point to the root
of the source tree /path/to/scilab/modules/javasci/.libs/ and
/path/to/scilab/.libs/
</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>LD_LIBRARY_PATH (Java) - Paths to Java native libraries
(libjava.so, libjvm.so, libhpi.so)... It is usually provided by the
operating system or by Scilab distribution. Please note that won't be
necessary in Scilab 5.2
</para>
<itemizedlist>
<listitem>
<para>Linux/Unix:</para>
<itemizedlist>
<listitem>
<para>JAVA_HOME/jre/lib/<arch>/,
JAVA_HOME/jre/lib/<arch>/server,
JAVA_HOME/jre/lib/<arch>/native_threads/ (<arch>
can be i386, etc...)
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>Mac OS X:</para>
</listitem>
<listitem>
<para>Windows</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
<para>Note that two environnement variables are taken in account for
specific needs:
</para>
<itemizedlist>
<listitem>
<para>
<literal>SCI_DISABLE_TK=1</literal> Disables Tk (Tcl's
GUI)
</para>
</listitem>
<listitem>
<para>
<literal>SCI_JAVA_ENABLE_HEADLESS=1</literal> Launch Java in
headless mode (no AWT/Swing)
</para>
</listitem>
</itemizedlist>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
# Serie of declarations to execute my binary.
# With a Scilab source tree:
$ SCI=<path to Scilab source tree>
$ export LD_LIBRARY_PATH=$SCI/modules/.libs/:$SCI/modules/call_scilab/.libs/:$SCI/modules/api_scilab/.libs
# With a Scilab binary:
$ SCI_PATH=<path to Scilab binary>
$ export LD_LIBRARY_PATH=$SCI_PATH/lib/scilab/
# Set the path to Java Virtual Machine library; This is mandatory for graphics features
# Don't forget to update arch (i386) and paths to whatever is necessary
$ export JAVA_HOME=/usr/lib/jvm/java-6-openjdk/
$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JAVA_HOME/jre/lib/i386/:$JAVA_HOME/jre/lib/i386/server/
$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JAVA_HOME/jre/lib/i386/native_threads/
$ export SCI=/path/to/scilab/
$ ./myExample
!sample for the help !
- 42. 42.
]]></programlisting>
</refsection>
<refsection role="see also">
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="api_scilab">api Scilab</link>
</member>
<member>
<link linkend="call_scilab">call_scilab</link>
</member>
<member>
<link linkend="StartScilab">StartScilab</link>
</member>
<member>
<link linkend="SendScilabJob">SendScilabJob</link>
</member>
<member>
<link linkend="SendScilabJobs">SendScilabJobs</link>
</member>
<member>
<link linkend="DoubleManagement_callscilab">Double Management</link>
</member>
<member>
<link linkend="BooleanManagement_callscilab">Boolean Management</link>
</member>
<member>
<link linkend="ComplexManagement_callscilab">Complex Management</link>
</member>
<member>
<link linkend="StringManagement_callscilab">String Management</link>
</member>
</simplelist>
</refsection>
</refentry>
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