61 lines
2.4 KiB
Markdown
61 lines
2.4 KiB
Markdown
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# About the Xcode Project
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This Xcode project (developed using Xcode 6) serves as an alternative to `cmake` on
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Mac OS X, and is intended for developers integrating lib-tidy into other products. For
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the sake of completeness you can also build and install the tidy target.
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The targets are
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- **tab2space**, builds the tab2space console application.
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- **tidy**, builds the tidy console application.
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- **lib-tidy**, builds the static library required by the other targets.
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The non-install targets use the standard, modern Xcode out-of-source build destinations,
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i.e., built items are located in your `DerivedData` folder.
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## Build and Install
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Xcode doesn’t offer a default way to install from the IDE. Instead you can use Terminal:
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sudo xcodebuild install -target tidy
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…from within the `build/xcode` directory. This will install `tidy` in `/usr/local/bin`
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and install the man page in `/usr/local/share`, which are appropriate locations. The
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built-in `tidy` won’t be overwritten and will probably have priority over the newly
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built version unless you update your `$PATH` in, e.g., your `.bash_profile` file.
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There’s no install configuration for `tab2space` because there’s not really any point
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in replacing the built-in version.
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## How it works
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All of the required compiler flags are in the project’s Build Settings, in the **Apple
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LLVM 6.0 - Preprocessing** section. However in order to use the proper version number and
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release date from the source code’s `version.txt` file, this file is “compiled” in the
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`lib-tidy` target’s custom **Build Rules**. The build rule script creates the file
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`xcode-version.h` that is used as the `lib-tidy` **Prefix Header** file in this target’s
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build settings.
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## Alternatives to this project
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The **HTML Tidy** project uses `cmake` as its build system. You can [install `cmake` from
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source very easily][1], and use the build instructions in **HTML Tidy**’s README file.
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`cmake` is also capable of generating an Xcode project file for you. For example:
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- `cd build`
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- `mkdir xcode_build`
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- `cd xcode_build`
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- `cmake -G "Xcode" ../..`
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The `build/xcode_build` folder will then contain all of the files that you need to build,
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run, and install **HTML Tidy**. You can read a lot more information about this process
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on [John Lamp’s CMake Tutorial][2].
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[1]: http://www.cmake.org/install/
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[2]: https://www.johnlamp.net/cmake-tutorial-2-ide-integration.html
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