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PrusaSlicer/src/libslic3r/GCodeReader.cpp:24: char Slic3r::get_extrusion_axis_char(const Slic3r::GCodeConfig&): Assertion `axis.size() <= 1' failed. The set_deserialise_strict() method converts 'A' to the string "65" instead of "A". Perhaps this should be fixed more robustly. Fix fff_print_tests test name Temeperatures -> Temperatures Fix fff_print_tests All travel moves happen within skirt Remove the last travel_moves point which returns to the origin (0,0) which is outside the convex hull. This point was causing CHECK(convex_hull.contains(travel_move)) to fail. Fix fff_print_tests "Used Filament" test Assertion `std::abs(length) < 1000.0' failed The test configured a retract_length of 10000000 which is larger than the asserted maximum retraction length of 1000. PrusaSlicer/src/libslic3r/GCode/GCodeWriter.cpp:473: std::string Slic3r::GCodeWriter::_retract(double, double, std::string_view): Assertion `std::abs(length) < 1000.0' failed. Fixed by doing the print with two different (legal) retraction lengths and checking that the total_used_filament agrees in both cases. Fix fff_print_tests "Slicing with retraction and lifting" remove illegal negative restart_extra test case Negative restart_extra is asserted against at PrusaSlicer/src/libslic3r/Extrucer.cpp:58 How to build - add instructions on how to run the unit tests
168 lines
5.7 KiB
Markdown
168 lines
5.7 KiB
Markdown
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# Building PrusaSlicer on Mac OS
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To build PrusaSlicer on Mac OS, you will need the following software:
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- XCode
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- CMake
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- git
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- gettext
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- zlib
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- m4
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XCode is available through Apple's App Store, the other three tools are available on
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[brew](https://brew.sh/) (use `brew install cmake git gettext zlib m4` to install them).
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It may help to skim over this document's [Troubleshooting](#troubleshooting)](#troubleshooting) first, as you may find helpful workarounds documented there.
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### Dependencies
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PrusaSlicer comes with a set of CMake scripts to build its dependencies, it lives in the `deps` directory.
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Open a terminal window and navigate to the PrusaSlicer sources directory.
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Use the following commands to build the dependencies:
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cd deps
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mkdir build
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cd build
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cmake ..
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make
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This will create a dependencies bundle inside the `build/destdir` directory.
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You can also customize the bundle output path using the `-DDESTDIR=<some path>` option passed to `cmake`.
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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 hardcodes the installation path.)
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FIXME The Cereal serialization library needs a tiny patch on some old OSX clang installations
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https://github.com/USCiLab/cereal/issues/339#issuecomment-246166717
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### Building PrusaSlicer
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If dependencies are built without errors, you can proceed to build PrusaSlicer itself.
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Go back to top level PrusaSlicer sources directory and use these commands:
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mkdir build
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cd build
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cmake .. -DCMAKE_PREFIX_PATH="$PWD/../deps/build/destdir/usr/local"
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The `CMAKE_PREFIX_PATH` is the path to the dependencies bundle but with `/usr/local` appended - if you set a custom path
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using the `DESTDIR` option, you will need to change this accordingly. **Warning:** the `CMAKE_PREFIX_PATH` needs to be an absolute path.
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The CMake command above prepares PrusaSlicer for building from the command line.
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To start the build, use
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make -jN
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where `N` is the number of CPU cores, so, for example `make -j4` for a 4-core machine.
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Alternatively, if you would like to use XCode GUI, modify the `cmake` command to include the `-GXcode` option:
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cmake .. -GXcode -DCMAKE_PREFIX_PATH="$PWD/../deps/build/destdir/usr/local"
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and then open the `PrusaSlicer.xcodeproj` file.
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This should open up XCode where you can perform build using the GUI or perform other tasks.
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### Running Unit Tests
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For the most complete unit testing, use the Debug build option `-DCMAKE_BUILD_TYPE=Debug` when running cmake.
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Without the Debug build, internal assert statements are not tested.
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To run all the unit tests:
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cd build
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make test
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To run a specific unit test:
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cd build/tests/
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The unit tests can be found by
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`ls */*_tests`
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Any of these unit tests can be run directly e.g.
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`./fff_print/fff_print_tests`
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### Note on Mac OS X SDKs
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By default PrusaSlicer builds against whichever SDK is the default on the current system.
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This can be customized. The `CMAKE_OSX_SYSROOT` option sets the path to the SDK directory location
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and the `CMAKE_OSX_DEPLOYMENT_TARGET` option sets the target OS X system version (eg. `10.14` or similar).
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Note you can set just one value and the other will be guessed automatically.
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In case you set both, the two settings need to agree with each other. (Building with a lower deployment target
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is currently unsupported because some of the dependencies don't support this, most notably wxWidgets.)
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Please note that the `CMAKE_OSX_DEPLOYMENT_TARGET` and `CMAKE_OSX_SYSROOT` options need to be set the same
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on both the dependencies bundle as well as PrusaSlicer itself.
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Official macOS PrusaSlicer builds are currently (as of PrusaSlicer 2.5) built against SDK 10.12 to ensure compatibility with older Macs.
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_Warning:_ XCode may be set such that it rejects SDKs bellow some version (silently, more or less).
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This is set in the property list file
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/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Info.plist
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To remove the limitation, simply delete the key `MinimumSDKVersion` from that file.
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## Troubleshooting
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### `CMath::CMath` target not found
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At the moment (20.2.2024) PrusaSlicer cannot be built with CMake 3.28+. Use [CMake 3.27](https://github.com/Kitware/CMake/releases/tag/v3.27.9) instead.
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If you install the CMake application from [universal DMG](https://github.com/Kitware/CMake/releases/download/v3.27.9/cmake-3.27.9-macos-universal.dmg), you can invoke the CMake like this:
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```
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/Applications/CMake.app/Contents/bin/cmake
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```
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### Running `cmake -GXCode` fails with `No CMAKE_CXX_COMPILER could be found.`
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- If XCode command line tools wasn't already installed, run:
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```
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sudo xcode-select --install
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```
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- If XCode command line tools are already installed, run:
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```
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sudo xcode-select --reset
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```
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### Xcode keeps trying to install `m4` or the process complains about no compatible `m4` found.
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Ensure the homebrew installed `m4` is in front of any other installed `m4` on your system.
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_e.g._ `echo 'export PATH="/opt/homebrew/opt/m4/bin:$PATH"' >> ~/.bash_profile`
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### `cmake` complains that it can't determine the build deployment target
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If you see a message similar this, you can fix it by adding an argument like this `-DCMAKE_OSX_DEPLOYMENT_TARGET=14.5` to the `cmake` command. Ensure that you give it the macOS version that you are building for.
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# TL; DR
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Works on a fresh installation of MacOS Catalina 10.15.6
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- Install [brew](https://brew.sh/):
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- Open Terminal
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- Enter:
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```
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brew update
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brew install cmake git gettext
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brew upgrade
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git clone https://github.com/prusa3d/PrusaSlicer/
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cd PrusaSlicer/deps
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mkdir build
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cd build
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cmake ..
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make
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cd ../..
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mkdir build
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cd build
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cmake .. -DCMAKE_PREFIX_PATH="$PWD/../deps/build/destdir/usr/local"
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make
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src/prusa-slicer
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```
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