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/**
\page ConfiguringAndCompiling Configuring and Compiling
How to compile the GNUstep CoreBase Library.
\tableofcontents
\section ConfiguringAndCompilingIntroduction Introduction
The GNUstep CoreBase Library uses the GNU autoconf for package
configuration, and the GNUStep Make tool for generating object files and
building the shared library. The recommended sequence for compiling and
install the library is by running the following commands:
\code{.sh}
$ ./configure
$ make
# make install
\endcode
Note that the \shcmd{make install} command must be executed as
system administrator (\em root on UNIX-like operating systems).
\section ConfiguringAndCompilingDependencies Dependencies
Before configuring and compiling the GNUstep CoreBase Library you will
need to have various tools, libraries and development headers installed
on your system.
The following tools are required by GNUstep CoreBase before
- <b>C Compiler</b> An ISO C99 compilant C compiler is required. The
recommended compilers are the <a href="http://gcc.gnu.org">GNU
Compiler Collection</a> or <a href="http://clang.llvm.org">Clang
with LLVM</a>. For
<a href="http://en.wikipedia.org/wiki/Blocks_%28C_language_extension%29">
Blocks</a> support, Clang is required.
- <b>Objective-C Compiler</b> Additionally, GNUstep CoreBase also makes
use of some Objective-C features. Both C compilers recommended above
are able to compile Objective-C code.
- <b>GNU make</b> The GNUstep CoreBase makefiles use features specific
to <a href="http://www.gnu.org/software/make">GNU make</a>, and will
will not be correctly built if other make variants. If your default
<b>make</b> tool is not GNU make, please install it before attempting
to compile. Be mindful that in some systems, the GNU make tool is
invoked as \shcmd{gmake}.
- <b>GNUstep Make</b> In addition to the GNU make tool, the
<a href="http://wwwmain.gnustep.org/resources/downloads.php">GNUstep
Make </a> package is required.
- <b>Zoneinfo Database</b> To support Time Zones, a complete zoneinfo
database must be installed on your system.
- <b>Doxygen</b> <em>(Recommended)</em> Documentation is extracted from
the sources by the <b>doxygen</b> tool. This is a recommended tool,
but not required. If the <b>doxygen</b> tool is not found during the
configuration process, API documentation will not be generated and
installed.
In addition to the tools listed above, GNUstep CoreBase also depends on
other libraries. To successfully configure and compile, you will need
to install the libraries listed below along with their development headers.
- <b>C standard library</b> A POSIX compilant C standard library is
required and provides basic functionalities, such as memory allocation
and socket support.
- <b>Objective-C Runtime Library</b> To support "toll-free bridging",
a modern Objective-C Runtime in required. See \ref
ConfiguringAndCompilingOptions for information on how to compile
without this package.
- <b>GNUstep Base Library</b> Required for "toll-free bridging" support.
- <b>International Components for Unicode</b> The ICU package provides
robust Unicode and Internationalization support.
- <b>Grand Central Dispatch</b> <em>(Recommended)</em> The \ref CFRunLoopRef
"CFRunLoop type" uses GCD for compatibility. Compiling without
this library leads to a loss of functionality. See \ref
ConfiguringAndCompilingOptions for information on how to compile
without this package.
\section ConfiguringAndCompilingOptions Configuration Options
\par \--without-gcd
Compiles the library without Grand Central Dispatch Support. Leads to
loss of functionality.
\par \--without-objc (not recommended)
Compiles the library without Objective-C runtime support. This
leads to the loss the of the toll-free bridge capability between objects
created by this library and those created by the GNUstep Base library.
\par \--with-zoneinfo-dir=DIR
Specify the directory where the zoneinfo database can be found. The
configure script looks for the database files in some standard location
and this option only needs to be used if the zoneinfo database is in
a non-standard directory. DIR is an absolute path.
*/
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