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)
## Donations
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)
## About the name
The original name of this program was "C++check", but it was later changed to "Cppcheck".
Despite the name, Cppcheck is designed for both C and C++.
## Manual
A manual is available [online](http://cppcheck.sourceforge.net/manual.pdf).
## Compiling
Any C++ compiler should work.
To build the GUI, you need Qt.
When building the command line tool, [PCRE](http://www.pcre.org/) is normally used.
PCRE is optional.
There are multiple compilation choices:
* qmake - cross platform build tool
* Windows: Visual Studio or Qt Creator or MinGW
* gnu make
* g++
### qmake
You can use the gui/gui.pro file to build the GUI.
```shell
cd gui
qmake
make
```
### Visual Studio
Use the cppcheck.sln file. The rules are normally enabled.
To compile with rules (PCRE dependency):
* the PCRE dll is needed. It can be downloaded from [here](http://cppcheck.sourceforge.net/pcre-8.10-vs.zip).
To compile without rules (no dependencies):
* remove the preprocessor define `HAVE_RULES` from the project
* remove the pcre.lib from the project
### Qt Creator + MinGW
The PCRE dll is needed to build the CLI. It can be downloaded here:
http://software-download.name/pcre-library-windows/
### GNU make
Simple build (no dependencies):
```shell
make
```
The recommended release build is:
```shell
make SRCDIR=build CFGDIR=cfg HAVE_RULES=yes
```
Flags:
1. `SRCDIR=build`
Python is used to optimise cppcheck
2. `CFGDIR=cfg`
Specify folder where .cfg files are found
3. `HAVE_RULES=yes`
Enable rules (PCRE is required if this is used)
### g++ (for experts)
If you just want to build Cppcheck without dependencies then you can use this command:
```shell
g++ -o cppcheck -Ilib cli/*.cpp lib/*.cpp
```
If you want to use `--rule` and `--rule-file` then dependencies are needed:
```shell
g++ -o cppcheck -lpcre -DHAVE_RULES -Ilib -Iexternals cli/*.cpp lib/*.cpp externals/tinyxml/*.cpp
```
### MinGW
```shell
make LDFLAGS=-lshlwapi
```
### Cross compiling Win32 (CLI) version of Cppcheck in Linux
```shell
sudo apt-get install mingw32
make CXX=i586-mingw32msvc-g++ LDFLAGS="-lshlwapi"
mv cppcheck cppcheck.exe
```
## Webpage
http://cppcheck.sourceforge.net/