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| |
| <!DOCTYPE s1 SYSTEM "sbk:/style/dtd/document.dtd"> |
| |
| <s1 title="Build Instructions"> |
| <s2 title="Build Instructions"> |
| |
| <p>Much of this documentation is historical in nature. The only |
| officially supported platforms with committed testing and maintenance |
| at this time are Windows (native, NOT Cygwin or other variants), |
| Linux, and MacOS. All other builds are unsupported and untested |
| and should be expected to require patching and build debugging. |
| Patches are accepted for other platforms, as are maintainers |
| interested in taking over responsibility for supporting them.</p> |
| |
| <p>While the CMake support is portable, officially the autoconf |
| support is intended to be used for Linux and MacOS and CMake used |
| for Windows.</p> |
| |
| <p>Build instructions are provided for the following platforms and |
| compilers:</p> |
| |
| <ul> |
| <li><link anchor="CMake">All</link></li> |
| <li><link anchor="UNIX">UNIX/Linux/Mac OS X/Cygwin/MinGW</link></li> |
| </ul> |
| |
| <anchor name="CMake"/> |
| <s3 title="Building on all platforms with CMake"> |
| |
| <p>For building on any platform with any supported build |
| system &XercesCName; uses the CMake build generator and |
| requires that you have <jump |
| href="https://cmake.org/">CMake</jump> installed. |
| Additionally, a build tool such as <jump |
| href="http://www.gnu.org/software/make/make.html">GNU |
| make</jump> or <jump |
| href="https://ninja-build.org/">Ninja</jump> is required for |
| building. CMake supports a wide range of generators for |
| several different compilers, build tools and popular IDEs, |
| including Eclipse, Kate, Visual Studio, Sublime Text and more. |
| Any of these may be used to build &XercesCName;. Run |
| <code>cmake --help</code> to display the full list of |
| supported generators for your platform.</p> |
| |
| <p>As with all CMake projects, the build process is divided |
| into several parts: configuration and building, followed by |
| (optional) testing and installation. The configuration part is |
| performed by running the <code>cmake</code> command. The |
| build part is performed by invoking the chosen build tool |
| such as <code>make</code> or <code>ninja</code>, or by opening |
| the generated project files in your IDE, and building from |
| within the IDE.</p> |
| |
| <p>Besides the standard <code>cmake</code> <jump |
| href="https://cmake.org/cmake/help/latest/manual/cmake-variables.7.html">variables</jump>, |
| &XercesCName; provides a number of project-specific options |
| that are worth mentioning. You can specify one option for each |
| category outlined below. If you do not specify anything for a |
| particular category then <code>cmake</code> will select the |
| most appropriate default, based upon the available options for |
| your system. At the end of its execution <code>cmake</code> |
| prints the selected values for each category.</p> |
| |
| |
| <p>Net Accessor (used to access network resources):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>-Dnetwork-accessor=curl</code></td> |
| <td>use the libcurl library (only on UNIX)</td> |
| </tr> |
| <tr> |
| <td><code>-Dnetwork-accessor=socket</code></td> |
| <td>use plain sockets (only on UNIX)</td> |
| </tr> |
| <tr> |
| <td><code>-Dnetwork-accessor=cfurl</code></td> |
| <td>use the CFURL API (only on Mac OS X)</td> |
| </tr> |
| <tr> |
| <td><code>-Dnetwork-accessor=winsock</code></td> |
| <td>use WinSock (only on Windows, Cygwin, MinGW)</td> |
| </tr> |
| <tr> |
| <td><code>-Dnetwork:BOOL=OFF</code></td> |
| <td>disable network support</td> |
| </tr> |
| </table> |
| |
| <p>Transcoder (used to convert between internal UTF-16 and other encodings):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>-Dtranscoder=gnuiconv</code></td> |
| <td>use the GNU iconv library</td> |
| </tr> |
| <tr> |
| <td><code>-Dtranscoder=iconv</code></td> |
| <td>use the iconv library</td> |
| </tr> |
| <tr> |
| <td><code>-Dtranscoder=icu</code></td> |
| <td>use the ICU library</td> |
| </tr> |
| <tr> |
| <td><code>-Dtranscoder=macosunicodeconverter</code></td> |
| <td>use Mac OS X APIs (only on Mac OS X)</td> |
| </tr> |
| <tr> |
| <td><code>-Dtranscoder=windows</code></td> |
| <td>use Windows APIs (only on Windows and MinGW)</td> |
| </tr> |
| </table> |
| |
| <p>Message Loader (used to access diagnostics messages):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>-Dmessage-loader=inmemory</code></td> |
| <td>store the messages in memory</td> |
| </tr> |
| <tr> |
| <td><code>-Dmessage-loader=icu</code></td> |
| <td>store the messages using the ICU resource bundles</td> |
| </tr> |
| <tr> |
| <td><code>-Dmessage-loader=iconv</code></td> |
| <td>store the messages in the iconv message catalog</td> |
| </tr> |
| </table> |
| |
| <p>XMLCh type (UTF-16 character type):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>-Dxmlch-type=char16_t</code></td> |
| <td>use <code>char16_t</code> (requires a C++11 compiler)</td> |
| </tr> |
| <tr> |
| <td><code>-Dxmlch-type=uint16_t</code></td> |
| <td>use <code>uint16_t</code> from |
| <code><cstdint></code> or |
| <code><stdint.h></code>, or another unsigned |
| 16-bit type such as <code>unsigned short</code> if |
| the standard types are unavailable</td> |
| </tr> |
| <tr> |
| <td><code>-Dxmlch-type=wchar_t</code></td> |
| <td>use <code>wchar_t</code> (Windows only)</td> |
| </tr> |
| </table> |
| |
| <p>MFC debug support is enabled by default (Windows only) and |
| can be disabled with the |
| <code>-Dmfc-debug:BOOL=OFF</code> option.</p> |
| |
| <p>Thread support is enabled by default and can be disabled |
| with the <code>-Dthreads:BOOL=OFF</code> option. If disabled, |
| it will not be possible to select a mutex manager other than |
| <code>nothreads</code>. If enabled, one of the following |
| mutex managers may be selected:</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>-Dmutex-manager=standard</code></td> |
| <td>Use Standard C++ mutex (requires a C++11 compiler)</td> |
| </tr> |
| <tr> |
| <td><code>-Dmutex-manager=posix</code></td> |
| <td>Use POSIX threads (pthreads) mutex (only on UNIX and Cygwin)</td> |
| </tr> |
| <tr> |
| <td><code>-Dmutex-manager=windows</code></td> |
| <td>Use Windows threads mutex (Windows and MinGW only)</td> |
| </tr> |
| <tr> |
| <td><code>-Dmutex-manager=nothreads</code></td> |
| <td>Use dummy implementation (default if threading is disabled)</td> |
| </tr> |
| </table> |
| |
| <p>Shared libraries are built by default. You can use the |
| <code>-DBUILD_SHARED_LIBS:BOOL=OFF</code> option to build |
| static libraries.</p> |
| |
| <p>If you need to specify compiler executables that should be |
| used to build &XercesCName;, you can set the CC and CXX |
| environment variables when invoking |
| <code>cmake</code>. Similarly, if you need to specify |
| additional compiler or linker options, you can set the |
| CFLAGS, CXXFLAGS, and LDFLAGS environment variables. For |
| example:</p> |
| |
| <source>CC=gcc-5.3 CXX=g++-5.3 CFLAGS=-O3 CXXFLAGS=-O3 cmake ...</source> |
| |
| <note> |
| If building on Windows, the specific Visual Studio version |
| may be selected with some generators, and this may be run |
| from a normal command prompt. If using a generic generator |
| such as <code>Ninja</code>, then <code>cmake</code> should |
| be run from a Visual Studio command prompt, or in a |
| suitably configured environment, so that the correct |
| compiler will be detected. |
| </note> |
| |
| <p>Once the configuration part is complete you can run the |
| build tool of choice. This may be done generically using |
| <code>cmake --build . [--config=Debug|Release]</code>. |
| Alternatively, a specific build tool, e.g. <code>make</code>, |
| <code>gmake</code>, <code>ninja</code> or |
| <code>msbuild</code> corresponding to the chosen generator |
| may be used directly. When invoked without a specific |
| target, it will build the &XercesCName; library, all examples |
| and all unit tests.</p> |
| |
| <p>If you would like to run the automated test suite, run |
| <code>ctest [-V] [-C Debug|Release]</code>. This will run |
| all tests. Additional <jump |
| href="https://cmake.org/cmake/help/latest/manual/ctest.1.html">options</jump> |
| are available, such as running a subset of the tests and |
| running the tests in parallel. If any discrepancies in the |
| output are detected, the differences will be displayed if a |
| <code>diff</code> program is available.</p> |
| |
| <p>Finally, install the library and examples. This may be |
| done generically using <code>cmake --build . --target |
| install</code>. Alternatively, a specific build tool may be |
| used, e.g. <code>make install</code>. To change the |
| installation directory, use the |
| <code>-DCMAKE_INSTALL_PREFIX=prefix</code> <code>cmake</code> |
| option.</p> |
| |
| <p>Some platforms and configurations may require extra |
| <code>cmake</code> options. Run <code>cmake -LH</code> to |
| list the additional options, along with a short description |
| for each. For each of the selection categories mentioned |
| above, the help text will list the valid choices detected for |
| your platform. Run <code>cmake -LAH</code> for all the |
| additional advanced settings.</p> |
| |
| <p>Several examples of configuring, building, testing and |
| installing with CMake using different platforms, generators, |
| and installation options are shown below:</p> |
| |
| <table> |
| <tr> |
| <th>Platform</th> |
| <th>Generator</th> |
| <th>Example</th> |
| </tr> |
| <tr> |
| <td>Any</td> |
| <td>Ninja</td> |
| <td><code>mkdir build</code><br/> |
| <code>cd build</code><br/> |
| <code>cmake -G Ninja -DCMAKE_INSTALL_PREFIX=/opt/xerces-c -DCMAKE_BUILD_TYPE=Release -Dnetwork-accessor=curl /path/to/xerces-c/source</code><br/> |
| <code>ninja</code><br/> |
| <code>ctest -V -j 8</code><br/> |
| <code>ninja install</code></td> |
| </tr> |
| <tr> |
| <td>Unix</td> |
| <td>Unix Makefiles</td> |
| <td><code>mkdir build</code><br/> |
| <code>cd build</code><br/> |
| <code>cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/opt/xerces-c -DCMAKE_BUILD_TYPE=Debug -Dmessage-loader=icu /path/to/xerces-c/source</code><br/> |
| <code>make -j8</code><br/> |
| <code>make test</code><br/> |
| <code>make install</code></td> |
| </tr> |
| <tr> |
| <td>Windows</td> |
| <td>msbuild with VS2015 x64</td> |
| <td><code>mkdir build</code><br/> |
| <code>cd build</code><br/> |
| <code>cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_INSTALL_PREFIX=D:\libs \path\to\xerces-c\source</code><br/> |
| <code>cmake --build . --config Debug</code><br/> |
| <code>ctest -V -C Debug -j 4</code><br/> |
| <code>cmake --build . --config Debug --target install</code></td> |
| </tr> |
| </table> |
| <p/> |
| |
| <note> |
| Note that different UNIX platforms use different system |
| environment variables for finding shared libraries. On Linux |
| and Solaris, the environment variable name is |
| <code>LD_LIBRARY_PATH</code>, on AIX it is |
| <code>LIBPATH</code>, on Mac OS X it is |
| <code>DYLD_FALLBACK_LIBRARY_PATH</code>, and on HP-UX it is |
| <code>SHLIB_PATH</code>. |
| </note> |
| |
| <note> |
| Note that Windows is different from the UNIX platforms in |
| the way it finds shared libraries at run time. While UNIX |
| platforms may use the <code>LD_LIBRARY_PATH</code> |
| environment variable, Windows uses the <code>PATH</code> |
| environment variable if the library is not in the same |
| directory as the executable. |
| </note> |
| </s3> |
| |
| <anchor name="UNIX"/> |
| <s3 title="Building on UNIX/Linux/Mac OS X/Cygwin/MinGW platforms"> |
| |
| <p>For building on UNIX and UNIX-like (GNU/Linux, Max OS X, |
| Cygwin, MinGW-MSYS) platforms &XercesCName; uses the |
| GNU automake-based build systems and requires that you |
| have <jump href="http://www.gnu.org/software/make/make.html">GNU |
| make</jump> installed. On some platforms GNU make is called gmake |
| instead of make.</p> |
| |
| <p>As with all automake-based projects the build process is divided |
| into two parts: configuration and building. The configuration |
| part is performed using the <code>configure</code> script that |
| can be found in the <code>&XercesC3SrcInstallDir;</code> directory. |
| The build part is performed by invoking <code>make</code>.</p> |
| |
| <p>Besides the standard <code>configure</code> options which |
| you can view by running <code>configure --help</code>, |
| &XercesCName; provides a number of project-specific options |
| that are worth mentioning. You can specify one option for |
| each category outlined below. If you do not specify anything |
| for a particular category then <code>configure</code> will |
| select the most appropriate default. At the end of its |
| execution <code>configure</code> prints the selected |
| values for each category.</p> |
| |
| |
| <p>Net Accessor (used to access network resources):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>--enable-netaccessor-curl</code></td> |
| <td>use the libcurl library</td> |
| </tr> |
| <tr> |
| <td><code>--enable-netaccessor-socket</code></td> |
| <td>use plain sockets</td> |
| </tr> |
| <tr> |
| <td><code>--enable-netaccessor-cfurl</code></td> |
| <td>use the CFURL API (only on Mac OS X)</td> |
| </tr> |
| <tr> |
| <td><code>--enable-netaccessor-winsock</code></td> |
| <td>use WinSock (only on Windows, Cygwin, MinGW)</td> |
| </tr> |
| <tr> |
| <td><code>--disable-network</code></td> |
| <td>disable network support</td> |
| </tr> |
| </table> |
| |
| <p>Transcoder (used to convert between internal UTF-16 and other encodings):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>--enable-transcoder-gnuiconv</code></td> |
| <td>use the GNU iconv library</td> |
| </tr> |
| <tr> |
| <td><code>--enable-transcoder-iconv</code></td> |
| <td>use the iconv library</td> |
| </tr> |
| <tr> |
| <td><code>--enable-transcoder-icu</code></td> |
| <td>use the ICU library</td> |
| </tr> |
| <tr> |
| <td><code>--enable-transcoder-macosunicodeconverter</code></td> |
| <td>use Mac OS X APIs (only on Mac OS X)</td> |
| </tr> |
| <tr> |
| <td><code>--enable-transcoder-windows</code></td> |
| <td>use Windows APIs (only on Windows, Cygwin, MinGW)</td> |
| </tr> |
| </table> |
| |
| <p>Message Loader (used to access diagnostics messages):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>--enable-msgloader-inmemory</code></td> |
| <td>store the messages in memory</td> |
| </tr> |
| <tr> |
| <td><code>--enable-msgloader-icu</code></td> |
| <td>store the messages using the ICU resource bundles</td> |
| </tr> |
| <tr> |
| <td><code>--enable-msgloader-iconv</code></td> |
| <td>store the messages in the iconv message catalog</td> |
| </tr> |
| </table> |
| |
| <p>XMLCh type (UTF-16 character type):</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>--enable-xmlch-char16_t</code></td> |
| <td>use <code>char16_t</code> (requires a C++11 compiler)</td> |
| </tr> |
| <tr> |
| <td><code>--enable-xmlch-uint16_t</code></td> |
| <td>use <code>uint16_t</code> from |
| <code><cstdint></code> or |
| <code><stdint.h></code>, or another unsigned |
| 16-bit type such as <code>unsigned short</code> if |
| the standard types are unavailable</td> |
| </tr> |
| <tr> |
| <td><code>--enable-xmlch-wchar_t</code></td> |
| <td>use <code>wchar_t</code> (Windows only)</td> |
| </tr> |
| </table> |
| |
| <p>Thread support is enabled by default and can be disabled with the |
| <code>--disable-threads</code> option. If disabled, |
| it will not be possible to select a mutex manager other than |
| <code>nothreads</code>. If enabled, one of the following |
| mutex managers may be selected:</p> |
| |
| <table> |
| <tr> |
| <th>Option</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td><code>--enable-mutexmgr-standard</code></td> |
| <td>Use Standard C++ mutex (requires a C++11 compiler)</td> |
| </tr> |
| <tr> |
| <td><code>--enable-mutexmgr-posix</code></td> |
| <td>Use POSIX threads (pthreads) mutex (only on UNIX and Cygwin)</td> |
| </tr> |
| <tr> |
| <td><code>--enable-mutexmgr-windows</code></td> |
| <td>Use Windows threads mutex (Windows and MinGW only)</td> |
| </tr> |
| <tr> |
| <td><code>--enable-mutexmgr-nothreads</code></td> |
| <td>Use dummy implementation (default if threading is disabled)</td> |
| </tr> |
| </table> |
| |
| <p>By default <code>configure</code> selects both shared and static |
| libraries. You can use the <code>--disable-shared</code> and |
| <code>--disable-static</code> options to avoid building the |
| version you don't need.</p> |
| |
| <p>Finally, to make the build process cleaner the &XercesCName; |
| build system hides actual compiler commands being executed |
| by <code>make</code>. If you would like to see those then you |
| can specify the <code>--disable-pretty-make</code> option.</p> |
| |
| <p>If you need to specify compiler executables that should be |
| used to build &XercesCName;, you can set the CC and CXX |
| variables when invoking <code>configure</code>. Similarly, |
| if you need to specify additional compiler or linker options, |
| you can set the CFLAGS, CXXFLAGS, and LDFLAGS variables. |
| For example:</p> |
| |
| <source>./configure --disable-static CC=gcc-4.3 CXX=g++-4.3 CFLAGS=-O3 CXXFLAGS=-O3</source> |
| |
| <p>Once the configuration part is complete you can run |
| <code>make</code> (or <code>gmake</code>). Running |
| <code>make</code> from the <code>&XercesC3SrcInstallDir;</code> |
| directory builds &XercesCName; library and examples. The |
| library is placed into the <code>src/.libs</code> directory. If |
| you like to build only the library, you can run make from |
| <code>&XercesC3SrcInstallDir;/src</code>.</p> |
| |
| <p>If you would like to build the tests and run the |
| automated test suite, run <code>make check</code> |
| from the <code>&XercesC3SrcInstallDir;</code> |
| directory. The automated test suite required |
| Perl and the <code>diff</code> command.</p> |
| |
| <p>Finally, to install the library and examples you can run |
| <code>make install</code> (or <code>gmake install</code>). |
| To change the installation directory, use the <code>--prefix</code> |
| <code>configure</code> option.</p> |
| |
| <p>Some platforms and configurations require extra |
| <code>configure</code> and <code>make</code> options |
| which are shown in the following table.</p> |
| |
| <table> |
| <tr> |
| <th>Platform</th> |
| <th>Compiler</th> |
| <th>Options</th> |
| </tr> |
| <tr> |
| <td>Solaris x86</td> |
| <td>Sun CC</td> |
| <td><code>./configure CXX=CC CC=cc</code></td> |
| </tr> |
| <tr> |
| <td>Solaris x86-64</td> |
| <td>Sun CC</td> |
| <td><code>./configure CXX=CC CC=cc CFLAGS=-xarch=amd64 CXXFLAGS=-xarch=amd64</code><br/> |
| (for newer Sun CC versions use -m64 instead of -xarch=amd64)</td> |
| </tr> |
| <tr> |
| <td>Solaris SPARC</td> |
| <td>Sun CC</td> |
| <td><code>./configure CXX=CC CC=cc</code></td> |
| </tr> |
| <tr> |
| <td>Solaris SPARCv9</td> |
| <td>Sun CC</td> |
| <td><code>./configure CXX=CC CC=cc CFLAGS=-xarch=v9 CXXFLAGS=-xarch=v9</code><br/> |
| (for newer Sun CC versions use -m64 instead of -xarch=v9)</td> |
| </tr> |
| <tr> |
| <td>AIX PowerPC</td> |
| <td>IBM XL C++</td> |
| <td><code>./configure CXX=xlC_r CC=xlc_r</code><br/> |
| <code>gmake libxerces_c_la_LDFLAGS=-qmkshrobj</code><br/> |
| (for xlC v11-v13, libxerces_c_la_LDFLAGS is not needed, but CXXFLAGS=-rtti is needed otherwise RTTI is disabled by default)</td> |
| </tr> |
| <tr> |
| <td>AIX PowerPC-64</td> |
| <td>IBM XL C++</td> |
| <td><code>export OBJECT_MODE=64</code><br/> |
| <code>./configure CXX=xlC_r CC=xlc_r CXXFLAGS=-q64 CFLAGS=-q64</code><br/> |
| <code>gmake libxerces_c_la_LDFLAGS=-qmkshrobj</code><br/> |
| (for xlC v11-v13, libxerces_c_la_LDFLAGS is not needed, but CXXFLAGS="-q64 -rtti" is needed otherwise RTTI is disabled by default)</td> |
| </tr> |
| <tr> |
| <td>HP-UX IA-64-32</td> |
| <td>HP aCC</td> |
| <td><code>./configure CXX=aCC CC=aCC CFLAGS=-mt CXXFLAGS=-mt LDFLAGS=-mt</code></td> |
| </tr> |
| <tr> |
| <td>HP-UX IA-64</td> |
| <td>HP aCC</td> |
| <td><code>./configure CXX=aCC CC=aCC CFLAGS="-mt +DD64" CXXFLAGS="-mt +DD64" LDFLAGS="-mt +DD64"</code></td> |
| </tr> |
| <tr> |
| <td>Mac OS X x86-64</td> |
| <td>GCC</td> |
| <td><code>./configure CFLAGS="-arch x86_64" CXXFLAGS="-arch x86_64" </code></td> |
| </tr> |
| <tr> |
| <td>Mac OS X PowerPC-64</td> |
| <td>GCC</td> |
| <td><code>./configure CFLAGS="-arch ppc64" CXXFLAGS="-arch ppc64"</code></td> |
| </tr> |
| <tr> |
| <td>Mac OS X x86/PowerPC</td> |
| <td>GCC</td> |
| <td><code>./configure --disable-dependency-tracking CFLAGS="-arch i386 -arch ppc" CXXFLAGS="-arch i386 -arch ppc"</code></td> |
| </tr> |
| <tr> |
| <td>Mingw x86</td> |
| <td>GCC</td> |
| <td><code>./configure LDFLAGS=-no-undefined</code></td> |
| </tr> |
| <tr> |
| <td>Cygwin x86</td> |
| <td>GCC</td> |
| <td><code>./configure LDFLAGS=-no-undefined</code></td> |
| </tr> |
| </table> |
| <p/> |
| |
| <note> |
| Note that different UNIX platforms use different system |
| environment variable for finding shared libraries. On Linux |
| and Solaris, the environment variable name is |
| <code>LD_LIBRARY_PATH</code>, on AIX it is |
| <code>LIBPATH</code>, on Mac OS X it is |
| <code>DYLD_LIBRARY_PATH</code>, and on HP-UX |
| it is <code>SHLIB_PATH</code>. |
| </note> |
| |
| <note> |
| Note that Cygwin and MinGW are different from the UNIX platforms |
| in the way they find shared libraries at run time. While UNIX |
| platforms may use the <code>LD_LIBRARY_PATH</code> environment |
| variable, Cygwin and MinGW use the <code>PATH</code> environment |
| variable. |
| </note> |
| </s3> |
| |
| </s2> |
| </s1> |
