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handle Symbol vs symbol on case insensitive file systems

release/4.3a0
Varun Agrawal 2023-10-02 14:27:20 -04:00
parent 4de8f149f8
commit b1fab94680
2 changed files with 12 additions and 0 deletions
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4
matlab/CMakeLists.txt
View File

@ -64,6 +64,10 @@ set(ignore
gtsam::Point3 gtsam::Point3
gtsam::CustomFactor) gtsam::CustomFactor)
if (APPLE OR WIN32)
list(APPEND ignore gtsam::Symbol)
endif()
set(interface_files set(interface_files
${GTSAM_SOURCE_DIR}/gtsam/gtsam.i ${GTSAM_SOURCE_DIR}/gtsam/gtsam.i
${GTSAM_SOURCE_DIR}/gtsam/base/base.i ${GTSAM_SOURCE_DIR}/gtsam/base/base.i

8
matlab/README.md
View File

@ -10,6 +10,14 @@ The interface generated by the wrap tool also redirects the standard output stre
For instructions on updating the version of the [wrap library](https://github.com/borglab/wrap) included in GTSAM to the latest version, please refer to the [wrap README](https://github.com/borglab/wrap/blob/master/README.md#git-subtree-and-contributing) For instructions on updating the version of the [wrap library](https://github.com/borglab/wrap) included in GTSAM to the latest version, please refer to the [wrap README](https://github.com/borglab/wrap/blob/master/README.md#git-subtree-and-contributing)
### Filename Case Sensitivity
Due to the file name syntax requirements of Matlab, having the files `Symbol.m` (for the class) and `symbol.m` (for the function) together on an OS with a case-insensitive filesystem is impossible.
To put it simply, for an OS like Windows or MacOS where the filesystem is case-insensitive, we cannot have two files `symbol.m` and `Symbol.m` in the same folder. When trying to write one file after another, they will end up overwriting each other. We cannot specify 2 different filenames, since Matlab's syntax prevents that.
For this reason, on Windows and MacOS, we ignore the `Symbol` class and request users to use the `symbol` function exclusively for key creation.
## Ubuntu ## Ubuntu
If you have a newer Ubuntu system (later than 10.04), you must make a small modification to your MATLAB installation, due to MATLAB being distributed with an old version of the C++ standard library. Delete or rename all files starting with `libstdc++` in your MATLAB installation directory, in paths: If you have a newer Ubuntu system (later than 10.04), you must make a small modification to your MATLAB installation, due to MATLAB being distributed with an old version of the C++ standard library. Delete or rename all files starting with `libstdc++` in your MATLAB installation directory, in paths: