Linux › Section P · Compiling software from source › Topic P.3
Applying patches and troubleshooting builds
Sooner or later a source build needs a fix that arrives as a patch, or stops with a wall of error messages. Applying patches correctly and reading build errors from the first real failure, not the last line, turn both situations into routine work.
In this topic
- What a patch is
- Reading the paths: the -p option
- Worked example: applying and reversing a patch
- When hunks do not apply
- Patches in Git projects
- Reading build output
- Worked example: finding the real error
- Fixing a missing declaration
- Missing files and commands
- Common mistakes to avoid
- Key takeaways
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