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| − | I've developed some steps that I've found to get the CDT to work well with the Linux kernel source. If you exclude some of these steps, it may still work to a large degree, but some things may not work exactly right; for example it may find the wrong include file for a C file.
| + | {{warning|Note: The contents of this page has been migrated. Please see https://github.com/eclipse-cdt/cdt/tree/main/FAQ#whats-the-best-way-to-set-up-the-cdt-to-navigate-linux-kernel-source for current information, or page history for historical versions. }} |
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| − | Anyway, as you do these steps, I think you may understand how they assist the indexer to do a good job for the Linux kernel source.
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| − | #Download and install Eclipse plus the CDT. | + | |
| − | #Configure and build your kernel. This can be done before or after downloading and installing Eclipse.
| + | |
| − | #Start up Eclipse.
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| − | #Click '''File'''->'''New'''->'''C Project'''
| + | |
| − | #Fill in a project name like ''my_kernel''
| + | |
| − | #Uncheck the '''Use default location''' box and type in the root directory of your kernel into the '''Location''' box.
| + | |
| − | #In the '''Project type:''' pane, click the '''Makefile project''' and select '''Empty Project'''
| + | |
| − | #On the right side, select '''Linux GCC'''
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| − | #Click '''Finish'''
| + | |
| − | #Eclipse will start indexing the kernel source files, so double click on the little moving "activity" icon in the lower right part of the Eclipse window.
| + | |
| − | #Click the square red stop button on the indexer.
| + | |
| − | #Right click the top-level project in the '''Project Explorer''' pane on the left, and select '''Properties''' at the bottom.
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| − | #Click the '''Manage Configurations''' at the top right.
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| − | #Select '''Linux GCC''' (if it isn't already) then click '''New...'''
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| − | #Give it a name like ''Linux config'' and a similar description, and click '''OK'''
| + | |
| − | #Select your new configuration, and click '''Set Active''' and then '''OK'''
| + | |
| − | #Select '''Resource''', and then in the '''Text file encoding''' section, select '''Other''' and '''ISO-8859-1''' in the box, then click '''Apply'''
| + | |
| − | #Click on '''Indexer''' and then clear out the '''Files to index up-front''' box.
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| − | #Select '''Use active build configuration''' at the bottom, and click '''Apply'''
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| − | #Click on '''Paths and Symbols'''
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| − | #Select the '''Includes''' tab and then select '''GNU C'''
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| − | #Click '''Add...'''
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| − | #Click '''Workspace...''' then select your project's include directory
| + | |
| − | #Do another Add, Workspace and add {{Code|arch/}}''architecture''{{Code|/include}}, e.g., {{Code|arch/powerpc/include}}
| + | |
| − | #Click the '''# Symbols''' tab
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| − | #Click '''Add...'''
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| − | #Set the name to {{Code|__KERNEL__}}
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| − | #Set the value to {{Code|1}} and click '''OK'''
| + | |
| − | #Click the '''Source Location''' tab
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| − | #Click the twisty for your project.
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| − | #Select the '''Filter''' item and click '''Edit Filter...'''
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| − | #Click '''Add Multiple...''' and then select all of the arch/* directories in your kernel source that will not be used (i.e. all the ones that are not for the architecture you are using)
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| − | #Click '''OK''' and '''OK''' again to dismiss that dialog.
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| − | #Click '''OK''' on the Properties dialog.
| + | |
| − | #Right click on the project again and select '''Index''' then select '''Rebuild'''
| + | |
| − | #It will take about 20 minutes or so to complete.
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