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Initialize CMAKE_EXPORT_COMPILE_COMMANDS only if not set already

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Also de-duplicate its initialization code.

Fixes: #16588
This commit is contained in:
Brad King
2020-05-12 08:08:20 -04:00
parent 4dc9552686
commit fe19df49d4
8 changed files with 18 additions and 7 deletions
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Modules/CMakeGenericSystem.cmake
+1 -7
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@@ -50,15 +50,9 @@ if(CMAKE_GENERATOR MATCHES "Make")
if(DEFINED CMAKE_TARGET_MESSAGES)
set_property(GLOBAL PROPERTY TARGET_MESSAGES ${CMAKE_TARGET_MESSAGES})
endif()
if(CMAKE_GENERATOR MATCHES "Unix Makefiles")
set(CMAKE_EXPORT_COMPILE_COMMANDS "$ENV{CMAKE_EXPORT_COMPILE_COMMANDS}"
CACHE BOOL "Enable/Disable output of compile commands during generation."
)
mark_as_advanced(CMAKE_EXPORT_COMPILE_COMMANDS)
endif()
endif()
if(CMAKE_GENERATOR MATCHES "Ninja")
if(NOT DEFINED CMAKE_EXPORT_COMPILE_COMMANDS AND CMAKE_GENERATOR MATCHES "Ninja|Unix Makefiles")
set(CMAKE_EXPORT_COMPILE_COMMANDS "$ENV{CMAKE_EXPORT_COMPILE_COMMANDS}"
CACHE BOOL "Enable/Disable output of compile commands during generation."
)