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1) operator+ is <> (previously, it was a + b = a <> ' ' <> b) 2) using sstream to compute length of text |
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README.md |
Requirements
- C++11 compatible compiler
- GMP (GNU multiprecision library) http://gmplib.org/
- (optional) gperftools https://code.google.com/p/gperftools/
- cmake http://www.cmake.org
Install Packages on Ubuntu
Instructions for installing gperftools on Ubuntu
sudo add-apt-repository ppa:agent-8131/ppa
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install libgoogle-perftools-dev
Instructions for installing gcc-4.8 (C++11 compatible) on Ubuntu
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
sudo update-alternatives --remove-all gcc
sudo update-alternatives --remove-all g++
sudo apt-get update
sudo apt-get install g++-4.8 -y
sudo apt-get upgrade -y && sudo apt-get dist-upgrade -y
Instructions for installing clang-3.3 (C++11 compatible) on Ubuntu
sudo add-apt-repository ppa:h-rayflood/llvm
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install clang-3.3 clang-3.3-doc
Note that you still need to have g++-4.8's C++ runtime library to support some C++11 features that we are using.
You can specify the C++ compiler to use by using -DCMAKE_CXX_COMPILER
option. For example
cmake -DCMAKE_BUILD_TYPE=DEBUG -DCMAKE_CXX_COMPILER=clang++-3.3 ../../src
Install Packages on OS X
We assume that you are using homebrew, "The missing package manager for OS X".
Instructions for installing gperftools on OS X 10.8
$ brew install gperftools
Instructions for installing gcc-4.8 (C++11 compatible) on OS X 10.8
$ brew tap homebrew/versions
$ brew install gcc48
Instructions for installing clang-3.3 (C++11 compatible) on OS X 10.8
$ brew install llvm --with-clang --with-asan
Build Instructions
Using CMake + Make
Instructions for DEBUG build
mkdir -p build/debug
cd build/debug
cmake -DCMAKE_BUILD_TYPE=DEBUG ../../src
make
Instructions for RELEASE build
mkdir -p build/release
cd build/release
cmake -DCMAKE_BUILD_TYPE=RELEASE ../../src
make
Using CMake + Ninja
CMake 2.8.11 supports Ninja build system using
-G
option. Some people1 report that using Ninja can
reduce the build time, 1
Instructions for DEBUG build
mkdir -p build/debug
cd build/debug
cmake -DCMAKE_BUILD_TYPE=DEBUG -G Ninja ../../src
ninja
Instructions for RELEASE build
mkdir -p build/release
cd build/release
cmake -DCMAKE_BUILD_TYPE=RELEASE -G Ninja ../../src
ninja