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CMake: Rework INPUT_ variables handling

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INPUT_ variables enable FEATURE_ variable only in case if valid
"true"-like value is assigned from command line.

Amends dc43061e9abb15bc07eb236f5344c79d27590812

Fixes: QTBUG-87755
Task-number: QTBUG-88142
Change-Id: I65e85c7548981fdec94366b531f6df6396be71b7
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Alexey Edelev 2020-11-04 16:00:50 +01:00
parent 501f27b5c6
commit aa6ad15424
1 changed files with 9 additions and 10 deletions
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19
cmake/QtFeature.cmake
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@ -171,24 +171,23 @@ function(qt_evaluate_config_expression resultVar)
endfunction()
function(qt_feature_set_cache_value resultVar feature emit_if calculated label)
# Check if either FEATURE_ or INPUT_ are provided by user. INPUT_ also might be set
# when cmake is run by "configure" script.
if(DEFINED "FEATURE_${feature}")
set(feature_var "FEATURE_${feature}")
elseif(DEFINED "INPUT_${feature}" AND NOT "${INPUT_${feature}}" STREQUAL "undefined")
set(feature_var "INPUT_${feature}")
# Enable FEATURE_ variable if INPUT_ is true-like. FEATURE_ value has higher priority.
string(TOUPPER "${INPUT_${feature}}" input_value)
set(booly_values ON YES TRUE Y 1)
if ((NOT DEFINED "FEATURE_${feature}") AND (input_value IN_LIST booly_values))
set(FEATURE_${feature} ON)
endif()
if(NOT "${feature_var}" STREQUAL "")
if (DEFINED "FEATURE_${feature}")
# Must set up the cache
if (NOT (emit_if))
message(FATAL_ERROR "Sanity check failed: FEATURE_${feature} that was not emitted was found in the CMakeCache.")
endif()
# Revisit value:
set(cache "${${feature_var}}")
set(booly_values OFF NO FALSE N ON YES TRUE Y)
if ((cache IN_LIST booly_values) OR (cache GREATER_EQUAL 0))
set(cache "${FEATURE_${feature}}")
set(bool_values OFF NO FALSE N ON YES TRUE Y)
if ((cache IN_LIST bool_values) OR (cache GREATER_EQUAL 0))
set(result "${cache}")
else()
message(FATAL_ERROR "Sanity check failed: FEATURE_${feature} has invalid value \"${cache}\"!")