CMake macro to add per-source level checks on individual targets for include-what-you-use violations
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iwyu-target-cmake can be used to scan individual source files for
include-what-you-use violations. The check is added to target and automatically
run over all of it its source files.
include-what-you-use-target-cmake works by scanning source files for #include
statements and then checks the passed include directories for files matching the
name of files specified in the #include statements.
Examine the sources attached to TARGET for include-what-you-use violations. The compiler flags as indicated in the arguments are passed to include-what-you-use to determine whether or not included files are not necessary.
TARGET: Target to check- [Optional]
CHECK_GENERATED: Also check generated files, off by default. - [Optional]
WARN_ONLY: Don't abort the build on violations, just warn. - [Optional]
FORCE_LANGUAGE: Treat source files for this target as either C or CXX. - [Optional]
EXTERNAL_INCLUDE_DIRS: System-level include directories (will not be transitively examined). - [Optional]
INTERNAL_INCLUDE_DIRS: Include directories in this project (will be transitively examined). - [Optional]
DEFINES: Definitions to set when preprocessing. - [Optional]
CPP_IDENTIFIERS: Identifiers which indicate that a header file scanned is always C++. - [Optional]
DEPENDS: Targets to run or source files to generate before checking the sources for violations.