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86 lines
3.7 KiB
Markdown
86 lines
3.7 KiB
Markdown
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# Building Slic3r++ on UNIX/Linux
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Slic3r++ uses the CMake build system and requires several dependencies.
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The dependencies can be listed in `deps/deps-linux.cmake` and `deps/deps-unix-common.cmake`, although they don't necessarily need to be as recent
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as the versions listed - generally versions available on conservative Linux distros such as Debian stable or CentOS should suffice.
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Perl is not required any more.
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In a typical situation, one would open a command line, go to the Slic3r++ sources, create a directory called `build` or similar,
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`cd` into it and call:
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cmake ..
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make -jN
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where `N` is the number of CPU cores available.
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Additional CMake flags may be applicable as explained below.
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### Dependency resolution
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By default Slic3r++ looks for dependencies the default way CMake looks for them, i.e. in default system locations.
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On Linux this will typically make Slic3r++ depend on dynamically loaded libraries from the system, however, Slic3r++ can be told
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to specifically look for static libraries with the `SLIC3R_STATIC` flag passed to cmake:
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cmake .. -DSLIC3R_STATIC=1
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Additionally, Slic3r++ can be built in a static manner mostly independent of the system libraries with a dependencies bundle
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created using CMake script in the `deps` directory (these are not interconnected with the rest of the CMake scripts).
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Note: We say _mostly independent_ because it's still expected the system will provide some transitive dependencies, such as GTK for wxWidgets.
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To do this, go to the `deps` directory, create a `build` subdirectory (or the like) and use:
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cmake .. -DDESTDIR=<target destdir>
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where the target destdir is a directory of your choosing where the dependencies will be installed.
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You can also omit the `DESTDIR` option to use the default, in that case the `destdir` will be created inside the `build` directory where `cmake` is run.
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To pass the destdir path to the top-level Slic3r++ CMake script, use the `CMAKE_PREFIX_PATH` option along with turning on `SLIC3R_STATIC`:
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cmake .. -DSLIC3R_STATIC=1 -DCMAKE_PREFIX_PATH=<path to destdir>/usr/local
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Note that `/usr/local` needs to be appended to the destdir path and also the prefix path should be absolute.
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**Warning**: Once the dependency bundle is installed in a destdir, the destdir cannot be moved elsewhere.
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This is because wxWidgets hardcode the installation path.
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### wxWidgets version
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By default, Slic3r++ looks for wxWidgets 3.1, this is because the 3.1 version has
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a number of bugfixes and improvements not found in 3.0. However, it can also be built with wxWidgets 3.0.
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This is done by passing this option to CMake:
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-DSLIC3R_WX_STABLE=1
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Note that Slic3r++ is tested with wxWidgets 3.0 somewhat sporadically and so there may be bugs in bleeding edge releases.
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### Build variant
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By default Slic3r++ builds the release variant.
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To create a debug build, use the following CMake flag:
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-DCMAKE_BUILD_TYPE=Debug
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### Enabling address sanitizer
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If you're using GCC/Clang compiler, it is possible to build Slic3r++ with the built-in address sanitizer enabled to help detect memory-corruption issues.
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To enable it, simply use the following CMake flag:
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-DSLIC3R_ASAN=1
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This requires GCC>4.8 or Clang>3.1.
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### Installation
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At runtime, Slic3r++ needs a way to access its resource files. By default, it looks for a `resources` directory relative to its binary.
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If you instead want Slic3r++ installed in a structure according to the File System Hierarchy Standard, use the `SLIC3R_FHS` flag
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cmake .. -DSLIC3R_FHS=1
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This will make Slic3r++ look for a fixed-location `share/slic3r-prusa3d` directory instead (note that the location becomes hardcoded).
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You can then use the `make install` target to install Slic3r++.
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