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CMake: Ignore CMAKE_CXX_STANDARD_LIBRARIES in .prl files

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Do not call find_library() on libs that are part of CMAKE_CXX_STANDARD_LIBRARIES:
At CMake call time they might not be found.

Fixes: QTBUG-73475
Change-Id: I350b3280744883e82d83c46e70f6a7cfc8aeed2e
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Kai Koehne 2019-04-29 09:56:49 +02:00
parent 9f1a1e320c
commit ba4fdd99ff
1 changed files with 10 additions and 1 deletions
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11
mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
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@ -59,6 +59,7 @@ function(_qt5_$${CMAKE_MODULE_NAME}_process_prl_file prl_file_location Configura
file(STRINGS \"${prl_file_location}\" _prl_strings REGEX \"QMAKE_PRL_LIBS[ \\t]*=\")
string(REGEX REPLACE \"QMAKE_PRL_LIBS[ \\t]*=[ \\t]*([^\\n]*)\" \"\\\\1\" _static_depends ${_prl_strings})
string(REGEX REPLACE \"[ \\t]+\" \";\" _static_depends ${_static_depends})
string(REGEX REPLACE \"[ \\t]+\" \";\" _standard_libraries ${CMAKE_CXX_STANDARD_LIBRARIES})
set(_search_paths)
string(REPLACE \"\\$\\$[QT_INSTALL_LIBS]\" \"${_qt5_install_libs}\" _static_depends \"${_static_depends}\")
foreach(_flag ${_static_depends})
@ -66,7 +67,15 @@ function(_qt5_$${CMAKE_MODULE_NAME}_process_prl_file prl_file_location Configura
if(_flag MATCHES \"^-l(.*)$\")
# Handle normal libraries passed as -lfoo
set(_lib \"${CMAKE_MATCH_1}\")
if(_lib MATCHES \"^pthread$\")
foreach(_standard_library ${_standard_libraries})
if(_standard_library MATCHES \"^${_lib}(\\.lib)?$\")
set(_lib_is_default_linked TRUE)
break()
endif()
endforeach()
if (_lib_is_default_linked)
unset(_lib_is_default_linked)
elseif(_lib MATCHES \"^pthread$\")
find_package(Threads REQUIRED)
list(APPEND _lib_deps Threads::Threads)
else()