assimp/Build.md

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# Install CMake
Asset-Importer-Lib supports a lot of different OSes and platforms. We are using cmake to generate the build environment for these via cmake. So you have to make sure that you have a working cmake-installation on your system. You can download it at https://cmake.org/
# Get the source
Make sure you have a working git-installation. Open a command prompt and clone the Asset-Importer-Lib via:
```
git clone https://github.com/assimp/assimp.git
```
# Build instructions for Windows with Visual-Studio
First you have to install Visual-Studio on your windows-system. You can get the Community-Version for free here: https://visualstudio.microsoft.com/de/downloads/
To generate the build environment for your IDE open a command prompt, navigate to your repo and type:
```
> cmake CMakeLists.txt
```
This will generate the project files.
# Build instructions for Windows with UWP
See https://stackoverflow.com/questions/40803170/cmake-uwp-using-cmake-to-build-universal-windows-app
# Build instrcutions for Linux / Unix
Open a terminal and got to your repository. You can generate the projectfiles and build the library via:
```
cmake CMakeLists.txt
make -j4
```
The option -j descripes the number of parallel processes for the build.
# CMake build options
The cmake-build-environment provides options to configure the build. The following options can be used:
- BUILD_SHARED_LIBS ( default ON ): Generation of shared libs ( dll for windows, so for Linux ). Set this to OFF to get a static lib.
- BUILD_FRAMEWORK ( default OFF, MacOnly): Build package as Mac OS X Framework bundle
- ASSIMP_DOUBLE_PRECISION( default OFF ): All data will be stored as double values.
- ASSIMP_OPT_BUILD_PACKAGES ( default OFF): Set to ON to generate CPack configuration files and packaging targets
- ASSIMP_ANDROID_JNIIOSYSTEM ( default OFF ): Android JNI IOSystem support is active
- ASSIMP_NO_EXPORT ( default OFF ): Disable Assimp's export functionality
- ASSIMP_BUILD_ZLIB ( default OFF ): Build your own zlib
- ASSIMP_BUILD_ASSIMP_TOOLS ( default ON ): If the supplementary tools for Assimp are built in addition to the library.
- ASSIMP_BUILD_SAMPLES ( default OFF ): If the official samples are built as well (needs Glut).
- ASSIMP_BUILD_TESTS ( default ON ): If the test suite for Assimp is built in addition to the library.
- ASSIMP_COVERALLS ( default OFF ): Enable this to measure test coverage.
- ASSIMP_WERROR( default OFF ): Treat warnings as errors.
- ASSIMP_ASAN ( default OFF ): Enable AddressSanitizer.
- ASSIMP_UBSAN ( default OFF ): Enable Undefined Behavior sanitizer.
- SYSTEM_IRRXML ( default OFF ): Use system installed Irrlicht/IrrXML library.
- BUILD_DOCS ( default OFF ): Build documentation using Doxygen.
- INJECT_DEBUG_POSTFIX( default ON ): Inject debug postfix in .a/.so lib names
- IGNORE_GIT_HASH ( default OFF ): Don't call git to get the hash.
- ASSIMP_INSTALL_PDB ( default ON ): Install MSVC debug files.