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CMake: Add debugging support for extend_target(...) calls 

Enable a flag so that cmake documents which extend_target calls it
acts upon and which ones are skipped.

Change-Id: I1e2d4da47b93d6b5d7b7ec25b7bc6341f38b3dca
Reviewed-by: Albert Astals Cid <albert.astals.cid@kdab.com>
bb10
Tobias Hunger 2019-01-30 16:36:30 +01:00
parent 210762ae46
commit 06e8dd31e9
1 changed files with 9 additions and 0 deletions
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9
cmake/QtBuild.cmake
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@ -247,6 +247,8 @@ set(__default_private_args "SOURCES;LIBRARIES;INCLUDE_DIRECTORIES;DEFINES;DBUS_A
set(__default_public_args "PUBLIC_LIBRARIES;PUBLIC_INCLUDE_DIRECTORIES;PUBLIC_DEFINES;PUBLIC_COMPILE_OPTIONS;PUBLIC_LINK_OPTIONS")
option(QT_CMAKE_DEBUG_EXTEND_TARGET "Debug extend_target calls in Qt's build system" OFF)
# This function can be used to add sources/libraries/etc. to the specified CMake target
# if the provided CONDITION evaluates to true.
function(extend_target target)
@ -261,6 +263,9 @@ function(extend_target target)
qt_evaluate_config_expression(result ${arg_CONDITION})
if (${result})
if(QT_CMAKE_DEBUG_EXTEND_TARGET)
message("extend_target(${target} CONDITION ${arg_CONDITION} ...): Evaluated")
endif()
set(dbus_sources "")
foreach(adaptor ${arg_DBUS_ADAPTOR_SOURCES})
qt_create_qdbusxml2cpp_command("${target}" "${adaptor}" ADAPTOR BASENAME "${arg_DBUS_ADAPTOR_BASENAME}" FLAGS "${arg_DBUS_ADAPTOR_FLAGS}")
@ -291,6 +296,10 @@ function(extend_target target)
target_compile_options("${target}" PUBLIC ${arg_PUBLIC_COMPILE_OPTIONS} PRIVATE ${arg_COMPILE_OPTIONS})
target_link_options("${target}" PUBLIC ${arg_PUBLIC_LINK_OPTIONS} PRIVATE ${arg_LINK_OPTIONS})
set_target_properties("${target}" PROPERTIES AUTOMOC_MOC_OPTIONS "${arg_MOC_OPTIONS}")
else()
if(QT_CMAKE_DEBUG_EXTEND_TARGET)
message("extend_target(${target} CONDITION ${arg_CONDITION} ...): Skipped")
endif()
endif()
endfunction()