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==== GCC Compiler Collection ====
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{{header|docs}}
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{{Docs_beat_open}}
  
This release of Fedora has been built with GCC {{Template:DocsDict/gccVer}}, which is included with the distribution.
 
 
 
For more information on GCC 4.3, refer to:
 
  
http://gcc.gnu.org/gcc-4.3/
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== GCC ==
  
===== Target-Specific Improvements =====
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As of Fedora 19, GCC 4.8.x is shipped as the default GCC. In addition, all Fedora packages have been rebuilt with GCC 4.8.x (and GLIBC 2.17; see below)
  
====== IA-32/x86-64 ======
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Users will be able to see compiled code improvements and use the newly added features, such as improved C++11 and C11 support, improved vectorization support, etc.
  
'''ABI changes'''
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For more information on the changes in GCC 4.8.x, please see http://gcc.gnu.org/gcc-4.8/changes.html
  
* Starting with GCC 4.3.1, decimal floating point variables are aligned to their natural boundaries when they are passed on the stack for i386.
 
  
'''Command-line changes'''
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== GLIBC ==
  
* Starting with GCC 4.3.1, the <code>-mcld</code> option has been added to automatically generate a <code>cld</code> instruction in the prologue of functions that use string instructions. This option is used for backward compatibility on some operating systems and can be enabled by default for 32-bit x86 targets by configuring GCC with the <code>--enable-cld</code> configure option.
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As of Fedora 19, GLIBC 2.17 is shipped as the default GLIBC. All Fedora packages have been rebuilt with GLIBC 2.17 (and GCC 4.8.x; see above).
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For more information on the changes in GLIBC 2.17, please see http://sourceware.org/ml/libc-announce/2012/msg00001.html
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[[Category:Docs Project]]
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[[Category:Draft documentation]]
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[[Category:Documentation beats]]

Revision as of 23:32, 30 April 2013

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Beat is open
This beat is now ready to have Fedora 21 content added by the beat writer


GCC

As of Fedora 19, GCC 4.8.x is shipped as the default GCC. In addition, all Fedora packages have been rebuilt with GCC 4.8.x (and GLIBC 2.17; see below)

Users will be able to see compiled code improvements and use the newly added features, such as improved C++11 and C11 support, improved vectorization support, etc.

For more information on the changes in GCC 4.8.x, please see http://gcc.gnu.org/gcc-4.8/changes.html


GLIBC

As of Fedora 19, GLIBC 2.17 is shipped as the default GLIBC. All Fedora packages have been rebuilt with GLIBC 2.17 (and GCC 4.8.x; see above).

For more information on the changes in GLIBC 2.17, please see http://sourceware.org/ml/libc-announce/2012/msg00001.html