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==== GCC Compiler Collection ====
=== GCC 5.1.1 ===
Fedora 23 is built on GCC 5.1.1.  For information on building your own code with this compiler release, refer to the upstream change info at https://gcc.gnu.org/gcc-5/changes.html


This release of Fedora has been built with GCC {{Template:DocsDict/gccVer}}, which is included with the distribution.
=== glibc 2.22 ===
 
Fedora 23 provides version 2.22 of the GNU C libraries.  Learn about the changes available in the latest version of glibc from the project's release announcement at https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html
For more information on GCC 4.3, refer to:


http://gcc.gnu.org/gcc-4.3/
{{header|docs}}{{Docs_beat_open}}
 
[[Category:Docs Project]]
=== Target-Specific Improvements ===
[[Category:Draft documentation]]
 
[[Category:Documentation beats]]
==== IA-32/x86-64 ====
 
'''ABI changes'''
 
* 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'''
 
* Starting with GCC 4.3.1, the <code>-mcld</code> option has been added to automatically generate a cld 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.

Revision as of 02:45, 28 August 2015

GCC 5.1.1

Fedora 23 is built on GCC 5.1.1. For information on building your own code with this compiler release, refer to the upstream change info at https://gcc.gnu.org/gcc-5/changes.html

glibc 2.22

Fedora 23 provides version 2.22 of the GNU C libraries. Learn about the changes available in the latest version of glibc from the project's release announcement at https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html

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