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CMake: Teach QtProcessConfigureArgs.cmake to configure other modules

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Until now, QtProcessConfigureArgs.cmake could only handle qtbase and the
top-level build. Add the variable MODULE_ROOT that the user can point to
the module that is to be configured.

Example - QtDeclarative can now be configured like this:

cd qtdeclarative-build-dir
echo -qml-network > config.opt
cmake -DOPTFILE=config.opt -DMODULE_ROOT=<source-root>/qtdeclarative \
    -DCMAKE_COMMAND=<install-prefix>/bin/qt-cmake-private \
    -P <source-root>/qtbase/cmake/QtProcessConfigureArgs.cmake

A convenience script that saves the user from entering this unwieldy
incantation will be added in a subsequent commit.

Change-Id: If46103de3a8eb84b15e7600ebfec25544451e1d5
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
This commit is contained in:
Joerg Bornemann 2020-08-31 11:21:36 +02:00
parent 27fed69d0a
commit 46f8c46bee
1 changed files with 18 additions and 12 deletions
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28
cmake/QtProcessConfigureArgs.cmake
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@ -4,6 +4,8 @@
# This file is to be used in CMake script mode with the following variables set:
# OPTFILE: A text file containing the options that were passed to configure
# with one option per line.
# MODULE_ROOT: The source directory of the module to be built.
# If empty, qtbase/top-level is assumed.
include(${CMAKE_CURRENT_LIST_DIR}/QtFeatureCommon.cmake)
@ -21,10 +23,15 @@ macro(pop_path_argument)
file(TO_CMAKE_PATH "${path}" path)
endmacro()
get_filename_component(qtbase_source_dir ".." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
if("${MODULE_ROOT}" STREQUAL "")
# If MODULE_ROOT is not set, assume that we want to build qtbase or top-level.
get_filename_component(MODULE_ROOT ".." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
else()
file(TO_CMAKE_PATH "${MODULE_ROOT}" MODULE_ROOT)
endif()
set(configure_filename "configure.cmake")
set(commandline_filename "qt_cmdline.cmake")
set(source_dir "${qtbase_source_dir}")
set(commandline_files "${MODULE_ROOT}/${commandline_filename}")
file(STRINGS "${OPTFILE}" configure_args)
list(FILTER configure_args EXCLUDE REGEX "^[ \t]*$")
list(TRANSFORM configure_args STRIP)
@ -41,10 +48,10 @@ while(configure_args)
elseif(arg STREQUAL "-cmake-use-default-generator")
set(auto_detect_generator FALSE)
elseif(arg STREQUAL "-top-level")
get_filename_component(source_dir "../.." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
file(GLOB commandline_files "${source_dir}/*/${commandline_filename}")
if(EXISTS "${source_dir}/${commandline_filename}")
list(PREPEND commandline_files "${source_dir}/${commandline_filename}")
get_filename_component(MODULE_ROOT "../.." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
file(GLOB commandline_files "${MODULE_ROOT}/*/${commandline_filename}")
if(EXISTS "${MODULE_ROOT}/${commandline_filename}")
list(PREPEND commandline_files "${MODULE_ROOT}/${commandline_filename}")
endif()
elseif(arg STREQUAL "-skip")
list(POP_FRONT configure_args qtrepo)
@ -69,10 +76,6 @@ while(configure_args)
endif()
endwhile()
if(NOT commandline_files)
set(commandline_files "${qtbase_source_dir}/${commandline_filename}")
endif()
####################################################################################################
# Define functions/macros that are called in configure.cmake files
@ -110,6 +113,7 @@ defstub(qt_feature_config)
defstub(qt_feature_definition)
defstub(qt_find_package)
defstub(set_package_properties)
defstub(qt_qml_find_python)
####################################################################################################
@ -172,7 +176,9 @@ while(commandline_files)
get_filename_component(commandline_file_directory "${commandline_file}" DIRECTORY)
set(configure_file "${commandline_file_directory}/${configure_filename}")
unset(commandline_subconfigs)
if(EXISTS "${configure_file}")
include(${configure_file})
endif()
include(${commandline_file})
if(commandline_subconfigs)
@ -642,7 +648,7 @@ if(generator)
push(-G "${generator}")
endif()
push("${source_dir}")
push("${MODULE_ROOT}")
execute_process(COMMAND "${CMAKE_COMMAND}" ${cmake_args}
COMMAND_ECHO STDOUT