Initialize CMAKE_EXPORT_COMPILE_COMMANDS from an environment variable of the same name. (!3914) · Merge requests · CMake / CMake

Daan De Meyer requested to merge DaanDeMeyer/cmake:export-compile-commands-environment-variable into master Oct 12, 2019

The current approach requires the least amount of changes but I'm not sure if setting CMAKE_EXPORT_COMPILE_COMMANDS to the value returned by $ENV{} when an environment variable does not exist is the same as setting it to OFF as is done now.

I've unset the environment variable in the same place that CMAKE_GENERATOR is unset but I'm not sure this actually covers all the cases where we want this disabled.

Fixes: #18386 (closed)

Edited Oct 18, 2019 by Brad King

Initialize CMAKE_EXPORT_COMPILE_COMMANDS from an environment variable of the same name.

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