GNU development of the GCC code compiler ushered in the 4.9 version, the use of Linux system friends must be very familiar with this software, regardless of whether you are developers.
The GNU GCC 4.9 release, updated with new features, has enhanced c++11 and c++14d features.
Update Details: Diagnostic information supports color display. Both C and C + + compilers will support the OpenMP 4.0 specification. Improved support for c++11 and c++14. Support for power ISA 2.07. Remove Mudflap runtime check, Mudflap option remains, but this is a nonexistent feature some old systems and not maintained platforms are declared obsolete in version 4.9 and will be permanently deleted when the next version is released, wrapping Solaris 9.
GCC 4.9.0 official FTP download address: http://ftp.gnu.org/gnu/gcc/gcc-4.9.0/gcc-4.9.0.tar.bz2 http://ftp.gnu.org/gnu/gcc/gcc-4.9.0/ Gcc-4.9.0.tar.gz