141 lines
4.1 KiB
Markdown
141 lines
4.1 KiB
Markdown
# **Cppcheck**
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|[](https://travis-ci.org/danmar/cppcheck)|[](https://ci.appveyor.com/project/danmar/cppcheck/branch/master)|[](https://scan.coverity.com/projects/512)|
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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 2013 / GCC 4.6 then it will work.
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To build the GUI, you need Qt.
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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:
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* qmake - cross platform build tool
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* cmake - cross platform build tool
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* Windows: Visual Studio (VS 2013 and above)
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* Windows: Qt Creator + mingw
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* gnu make
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* g++ 4.6 (or later)
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* clang++
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### cmake
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Example, compiling Cppcheck with cmake:
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```shell
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mkdir build
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cd build
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cmake ..
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cmake --build .
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```
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If you want to compile the GUI you can use the flag
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-DBUILD_GUI=ON
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For rules support (requires pcre) use the flag
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-DHAVE_RULES=ON
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For release builds it is recommended that you use:
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-DUSE_MATCHCOMPILER=ON
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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
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qmake
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make
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```
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### Visual Studio
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Use the cppcheck.sln file. The file is configured for Visual Studio 2015, but the platform toolset can be changed easily to older or newer versions. The solution contains platform targets for both x86 and x64.
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To compile with rules, select "Release-PCRE" or "Debug-PCRE" configuration. pcre.lib (pcre64.lib for x64 builds) and pcre.h are expected to be in /externals then.
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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:
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http://software-download.name/pcre-library-windows/
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### GNU make
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Simple, unoptimized build (no dependencies):
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```shell
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make
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```
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The recommended release build is:
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```shell
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make MATCHCOMPILER=yes CFGDIR=cfg HAVE_RULES=yes CXXFLAGS="-O2 -DNDEBUG -Wall -Wno-sign-compare -Wno-unused-function"
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```
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Flags:
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1. `MATCHCOMPILER=yes`
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Python is used to optimise cppcheck. The Token::Match patterns are converted into C++ code at compile time.
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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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4. `CXXFLAGS="-O2 -DNDEBUG -Wall -Wno-sign-compare -Wno-unused-function"`
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Enables most compiler optimizations, disables cppcheck-internal debugging code and enables basic compiler warnings.
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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
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g++ -o cppcheck -std=c++11 -Iexternals -Iexternals/simplecpp -Iexternals/tinyxml -Ilib cli/*.cpp lib/*.cpp externals/simplecpp/simplecpp.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
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g++ -o cppcheck -std=c++11 -lpcre -DHAVE_RULES -Ilib -Iexternals -Iexternals/simplecpp -Iexternals/tinyxml cli/*.cpp lib/*.cpp externals/simplecpp/simplecpp.cpp externals/tinyxml/*.cpp
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```
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### MinGW
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```shell
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mingw32-make LDFLAGS=-lshlwapi
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```
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### Other Compiler/IDE
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1. Create an empty project file / makefile.
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2. Add all cpp files in the cppcheck cli and lib folders to the project file / makefile.
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3. Add all cpp files in the externals folders to the project file / makefile.
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4. 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
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make CXX=i586-mingw32msvc-g++ LDFLAGS="-lshlwapi" RDYNAMIC=""
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mv cppcheck cppcheck.exe
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```
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## Webpage
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http://cppcheck.sourceforge.net/
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