Building gcc 4. 8 from source on Ubunu 1. The default gcc (4. Ubuntu 1. 2. 0. 4 is quite old, especially given the quick advance in C++1. The LLVM project has recently decided (and implemented, earlier this week) to set gcc 4. Clang 3. 1 as the minimal versions LLVM & Clang themselves would build with, in order to be able to use C++1. ![]() ![]() Install Gcc 4 8 2 From Source To Sea. 7/26/2017 0 Comments The King Fahd Causeway (Arabic: Each Ubuntu release has a version. How to install gcc-4.8. What C++ features are available in gcc-4.8 that are not available in gcc-4.7.2? Building GCC-4.8 from source. GNU C++ compiler. dep: gcc-4.8 (= 4.8.2-19ubuntu1) [not amd64, i386] GNU C compiler. Gcc-mirror / gcc mirrored from git. master hjl/pr53623/gcc-4_8-branch hjl/pr54037 hjl. The source of this information is gcc/doc/install. Therefore, if you want to build trunk LLVM & Clang on Ubuntu 1. Clang to self- build, still libstdc++ version 4. Luckily, building a new gcc and installing it locally (to not mess with the system installation) is fairly easy. Here's a short sequences of steps. First, create a place to hold the installation, like $HOME/install/gcc- 4. Install Gcc 4 8 2 From Source To TapeInstall some dependencies needed to build gcc: $ sudo apt- get install libmpfr- dev libgmp. Then, get a gcc 4. Enter the untarred gcc directory: $ cd gcc- 4. Now, configure and build: $ ./configure - -disable- checking - -enable- languages=c,c++ \. HOME/install/gcc- 4. This places an installation of gcc 4. HOME/install/gcc- 4. For example, you should be able to see this: $ cd $HOME/install/gcc- 4. That's it. You can try it: $ cd /tmp. HOME/install/gcc- 4. You can also run gcc. C++ source compiled with g++4. As a bonus, trunk LLVM & Clang can be now build by passing this gcc to the configure script (the exact same idea works with the CMake- based configuration flow too): $ CC=$HOME/install/gcc- 4. CXX=$HOME/install/gcc- 4.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
November 2017
Categories |