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302 lines
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302 lines
13 KiB
Plaintext
Getting Started With The POCO C++ Libraries
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AAAIntroduction
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!!!Welcome
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Thank you for downloading the POCO C++ Libraries and welcome to the growing community of POCO C++ Libraries
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users. This document will help you in getting a smooth ride while installing and setting up the
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POCO C++ Libraries and going the first steps with the software.
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!!!Setting Up The POCO C++ Libraries
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The POCO C++ Libraries are delivered in full source code only. Due to the
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large number of possible build configurations, no binary releases are provided
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from the project maintainers.
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This means that you have to build the libraries and tools before you can use them the first time.
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<*Note: There are binary releases available as installation packages for
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various operating systems (e.g., Debian Linux, Ubuntu Linux, OpenBSD,
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OpenWRT, etc.). However, these packages are not maintained by the core
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team and may not always be up to date.*>
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!!Source Code Distribution Format
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The source code for the POCO C++ Libraries is delivered in a ZIP file
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for Windows users and/or in a compressed TAR file (.tar.gz or .tar.bz2)
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for Unix/Linux users. Both archives contain the same files, the only
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difference is that all text files in the ZIP files have line endings
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suitable for Windows (CR-LF), while the text files in the TAR file have
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line endings suitable for Unix/Linux (LF only).
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All libraries and tools follow a common convention for the directory
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layout. This directory layout is shown below.
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build/ the build system for Unix/OpenVMS and additional utility scripts
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config/ build configurations for various Unix platforms
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rules/ common build rules for all platforms
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scripts/ build and utility scripts
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vms/ OpenVMS build system scripts
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vxconfig/ VxWorks build configurations
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bin/ all executables (dynamic link libraries on Windows)
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bin64/ all 64-bit executables (and DLLs)
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doc/ additional documentation
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lib/ all libraries (import libraries on Windows)
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lib64/ all 64-bit libraries
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CppUnit/ project and make/build files for the CppUnit unit testing framework
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doc/ additional documentation
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include/
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CppUnit/ header files for CppUnit
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src/ source files for CppUnit
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WinTestRunner/ Windows GUI for CppUnit
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Foundation/ project and make/build files for the Foundation library
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include/
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Poco/ header files for the Foundation library
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src/ source files for the Foundation library
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testsuite/ project and make/build files for the Foundation testsuite
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src/ source files for the Foundation testsuite
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bin/ test suite executables
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samples/ sample applications for the Foundation library
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XML/ project and make/build files for the XML library
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include/
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Poco/
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XML/ header files for the core XML library
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SAX/ header files for SAX support
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DOM/ header files for DOM support
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src/ source files for the XML library
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testsuite/ project and make/build files for the XML testsuite
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src/ source files for the XML testsuite
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bin/ test suite executables
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samples/ sample applications for the XML library
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Net/ project and make/build files for the Net library
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include/
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Poco/
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Net/ header files for the Net library
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src/ source files for the Net library
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testsuite/ project and make/build files for the Net testsuite
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src/ source files for the Net testsuite
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bin/ test suite executables
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samples/ sample applications for the Net library
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----
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Depending on what package you have downloaded (Basic or Complete
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Edition), there may be other libraries as well (such as Data, Crypto,
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NetSSL_OpenSSL and Zip).
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!!External Dependencies
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The following libraries require third-party software (header files and
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libraries) being installed to build properly:
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- NetSSL_OpenSSL and Crypt require OpenSSL.
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- Data/ODBC requires ODBC
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(Microsoft ODBC on Windows, unixODBC or iODBC on Unix/Linux)
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- Data/MySQL requires the MySQL client.
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!OpenSSL
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Most Unix/Linux systems (including Mac OS X) already have OpenSSL
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preinstalled, or OpenSSL can be easily installed using the system’s
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package management facility. For example, on Ubuntu (or other
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Debian-based Linux distributions) you can type
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$ sudo apt-get install openssl libssl-dev
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----
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to install the necessary packages.
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If your system does not have OpenSSL, please get it from
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http://www.openssl.org/ or another source. You do not have to build
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OpenSSL yourself -- a binary distribution is fine.
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The easiest way to install OpenSSL on Windows is to use a binary
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(prebuild) release, for example the one from Shining Light
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Productions that comes with a Windows installer
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(http://www.slproweb.com/products/Win32OpenSSL.html).
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Depending on where you have installed the OpenSSL libraries,
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you might have to edit the build script (buildwin.cmd), or add the
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necessary paths to the INCLUDE and LIB environment variables. You might also
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have to edit the project settings if the names of the OpenSSL libraries
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from your build differ from the names used in the project files.
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!ODBC
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The Data library requires ODBC support on your system if you want to
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build the ODBC connector (which is the default). On Windows platforms,
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ODBC should be readily available if you have the Windows SDK installed.
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On Unix/Linux platforms, you can use [[http://www.iodbc.org/ iODBC]]
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(preinstalled on Mac OS X) or [[http://www.unixodbc.org/ unixODBC]. On
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Linux, use your distribution's package management system to install the
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necessary libraries and header files. For example, on Ubuntu, type
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$ sudo apt-get install libiodbc2 libiodbc2-dev
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----
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to install the iODBC library and header files.
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The Data/ODBC and Data/MySQL Makefiles will search for the ODBC and
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MySQL headers and libraries in various places. Nevertheless, the
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Makefiles may not be able to find the headers and libraries. In this
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case, please edit the Makefile in Data/ODBC and/or Data/MySQL
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accordingly.
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!MySQL Client
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The Data library requires the [[http://dev.mysql.com MySQL]] client
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libraries and header files if you want to build the MySQL connector
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(which is the default). On Windows platforms, use the MySQL client
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installer to install the necessary files. On Unix/Linux platforms, use
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the package management system of your choice to install the necessary
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files. Alternatively, you can of course build MySQL yourself from
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source.
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!!Building On Windows
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Microsoft Visual Studio 7.1 (2003), 8.0 (2005), 9.0 (2008) or 10.0
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(2010) is required to build the POCO C++ Libraries on Windows platforms.
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Solution and project files for all versions are included. For Visual
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Studio 2008 and 2010, 64-bit (x64) builds are supported as well.
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You can either build from within Visual Studio (<*Build->Batch
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Build->Select All;Rebuild*>) or from the command line. To build from the
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command line, start the Visual Studio .NET 2003/2005/2008/2010 Command
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Prompt and go (<[cd]>) to the directory where you have extracted the POCO
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C++ Libraries sources. Then, simply start the <*buildwin.cmd*> script and
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pass as argument the version of visual studio (71, 80, 90 or 100). You
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can customize what is being built by <*buildwin.cmd*> by passing appropriate
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command line arguments to it. Call <*buildwin.cmd*> without arguments to see
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what is available.
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To disable certain components (e.g., NetSSL_OpenSSL or Data/MySQL) from
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the build, edit the text file named <*components*> in the distribution
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root directory and remove the respective lines.
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Certain libraries, like NetSSL_OpenSSL, Crypto or Data/MySQL have
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dependencies to other libraries. Since the build script does not know where to
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find the necessary header files and import libraries, you have to either add
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the header file paths to the <[INCLUDE]> environment variable and the
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library path to the <[LIB]> environment variable, or you'll have to edit the
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buildwin.cmd script, where these environment variables can be set as
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well.
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In order to run the test suite and the samples, the top-most bin
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directory containing the resulting shared libraries must be in the PATH
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environment variable.
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!!Building On Unix/Linux/Mac OS X
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For building on Unix platforms, the POCO C++ Libraries come with their
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own build system. The build system is based on GNU Make 3.80 (or newer),
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with the help from a few shell scripts. If you do not have GNU Make 3.80
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(or newer) installed on your machine, you will need to download it from
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http://directory.fsf.org/devel/build/make.html and
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build and install it prior to building the POCO C++ Libraries.
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You can check the version of GNU Make installed on your system with
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$ gmake --version
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----
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or
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$ make --version
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----
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Once you have GNU Make up and running, the rest is quite simple.
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To extract the sources and build all libraries, testsuites and samples, simply
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$ gunzip poco-X.Y.tar.gz
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$ tar -xf poco-X.Y.tar
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$ cd poco-X.Y
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$ ./configure
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$ gmake -s
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----
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See the configure script source for a list of possible options.
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For starters, we recommend <[--no-tests]> and <[--no-samples]>, to reduce build times.
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On a multicore or multiprocessor machine, use parallel makes to speed up
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the build (<[make -j4]>).
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Once you have successfully built POCO, you can install it
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to <*/usr/local*> (or another directory specified as parameter
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to configure <[--prefix=<path>]>):
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$ sudo gmake -s install
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----
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You can omit certain components from the build. For example, you might
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want to omit Data/ODBC or Data/MySQL if you do not have the corresponding
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third-party libraries (iodbc or unixodbc, mysqlclient) installed
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on your system. To do this, use the <[--omit]> argument to configure:
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$ ./configure --omit=Data/ODBC,Data/MySQL
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----
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<*IMPORTANT: Make sure that the path to the build directory does not
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contain symbolic links. Furthermore, on Mac OS X (or other systems
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with case insensitive filesystems), make sure that the characters in
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the path have the correct case. Otherwise you'll get an error saying
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"Current working directory not under $PROJECT_BASE.".*>
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!!Building On QNX Neutrino
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For QNX Neutrino, the Unix build system (see the instructions above) is used.
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You can use the build system to cross-compile for a target platform on a
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Solaris or Linux host. Unfortunately, the Cygwin-based Windows host
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environment has some major quirks that prevent the build system from
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working there. You can also use the build system on a self-hosted QNX
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system. The default build configuration for QNX (found in
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build/config/QNX) is for a self-hosted x86 platform. To specify another
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target, edit the CCVER setting in the build configuration file. For
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example, to compile for a PowerPC target, specify
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CCVER=3.3.1,gcc_ntoppcbe.
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Service Pack 1 for QNX Neutrino 6.3 must be installed, otherwise compiling the
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Foundation library will fail due to a problem with the <*<list>*> header in the
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default (Dinkumware) C++ standard library.
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When building on QNX, you might want to disable NetSSL_OpenSSL, Crypto and
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some Data connectors, unless you have the necessary third party components
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available:
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$ ./configure --omit=NetSSL_OpenSSL,Crypto,Data/ODBC,Data/MySQL
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----
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!!!Tutorials And Sample Code
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Introductory documentation consisting of various documents and tutorials
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in the form of slide decks can be found at the
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[[http://pocoproject.org/documentation/ POCO C++ Libraries
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Documentation]] page.
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Sample applications demonstrating the various features of the POCO C++
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Libraries are delivered with the source code. Every library's source
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code directory
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has a <*samples*> directory containing various sample applications.
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When building the sample applications on platforms using the gmake-based
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build system, please make sure that the environment variable
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<[POCO_BASE]> contains
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the path to the POCO C++ Libraries source tree root directory.
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!!!Creating Your Own POCO-based Applications
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The best way to create your first POCO-based application is by copying
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one of the sample projects and making the desired changes. Examine the
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project files and Makefiles to see what compiler options must be set for
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your specific platform.
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