cppcheck/readme.md

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# Cppcheck [![Build Status](https://travis-ci.org/danmar/cppcheck.png?branch=master)](https://travis-ci.org/danmar/cppcheck) [![Coverity Scan Build Status](https://scan.coverity.com/projects/512/badge.svg)](https://scan.coverity.com/projects/512)
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## Donations
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If you find Cppcheck useful for you, feel free to make a donation.
[![Donate](http://pledgie.com/campaigns/4127.png)](http://pledgie.com/campaigns/4127)
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## About the name
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The original name of this program was "C++check", but it was later changed to "Cppcheck".
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Despite the name, Cppcheck is designed for both C and C++.
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## Manual
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A manual is available [online](http://cppcheck.sourceforge.net/manual.pdf).
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## Compiling
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Any C++11 compiler should work. For compilers with partial C++11 support it may work. If your compiler has the C++11 features that are available in Visual Studio 2010 then it will work. If nullptr is not supported by your compiler then this can be emulated using the header lib/cxx11emu.h.
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To build the GUI, you need Qt.
When building the command line tool, [PCRE](http://www.pcre.org/) is optional. It is used if you build with rules.
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There are multiple compilation choices:
* qmake - cross platform build tool
* Windows: Visual Studio (VS 2010 and above) or Qt Creator or MinGW
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* gnu make
* g++ 4.4 (and above)
* clang++ 2.9 (and above)
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### qmake
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You can use the gui/gui.pro file to build the GUI.
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```shell
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cd gui
qmake
make
```
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### Visual Studio
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Use the cppcheck.sln file. The rules are normally enabled.
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To compile with rules (PCRE dependency):
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* the PCRE dll is needed. It can be downloaded from [here](http://cppcheck.sourceforge.net/pcre-8.10-vs.zip).
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To compile without rules (no dependencies):
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* remove the preprocessor define `HAVE_RULES` from the project
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* remove the pcre.lib from the project
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### Qt Creator + MinGW
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The PCRE dll is needed to build the CLI. It can be downloaded here:
http://software-download.name/pcre-library-windows/
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### GNU make
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Simple build (no dependencies):
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```shell
make
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```
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The recommended release build is:
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```shell
make SRCDIR=build CFGDIR=cfg HAVE_RULES=yes
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```
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Flags:
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1. `SRCDIR=build`
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Python is used to optimise cppcheck
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2. `CFGDIR=cfg`
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Specify folder where .cfg files are found
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3. `HAVE_RULES=yes`
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Enable rules (PCRE is required if this is used)
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### g++ (for experts)
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If you just want to build Cppcheck without dependencies then you can use this command:
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```shell
g++ -o cppcheck -std=c++0x -include lib/cxx11emu.h -Iexternals/tinyxml -Ilib cli/*.cpp lib/*.cpp externals/tinyxml/*.cpp
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```
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If you want to use `--rule` and `--rule-file` then dependencies are needed:
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```shell
g++ -o cppcheck -std=c++0x -include lib/cxx11emu.h -lpcre -DHAVE_RULES -Ilib -Iexternals/tinyxml cli/*.cpp lib/*.cpp externals/tinyxml/*.cpp
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```
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### MinGW
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```shell
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make LDFLAGS=-lshlwapi
```
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### Other Compiler/IDE
1. Create a empty project file / makefile.
2. Add all cpp files in the cppcheck cli and lib folders to the project file / makefile.
3. Compile.
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### Cross compiling Win32 (CLI) version of Cppcheck in Linux
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```shell
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sudo apt-get install mingw32
make CXX=i586-mingw32msvc-g++ LDFLAGS="-lshlwapi"
mv cppcheck cppcheck.exe
```
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## Webpage
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http://cppcheck.sourceforge.net/