summaryrefslogtreecommitdiff
path: root/cmake/QtPublicToolHelpers.cmake
blob: 3e4214ca0d47b634d915773e887e2ed7259e3077 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
# The function returns location of the imported 'tool', returns an empty string if tool is not
# imported.
function(__qt_internal_get_tool_imported_location out_var tool)
    unset(${out_var})
    if("${tool}" MATCHES "^Qt[0-9]?::.+$")
        # The tool target has namespace already
        set(target ${tool})
    else()
        set(target ${QT_CMAKE_EXPORT_NAMESPACE}::${tool})
    endif()

    if(NOT TARGET ${target})
        message(FATAL_ERROR "${target} is not a target.")
    endif()

    get_target_property(is_imported ${target} IMPORTED)
    if(NOT is_imported)
        set(${out_var} "" PARENT_SCOPE)
        return()
    endif()

    get_target_property(configs ${target} IMPORTED_CONFIGURATIONS)
    list(TRANSFORM configs PREPEND _)
    # Well-known configuration types
    list(APPEND configs
        _RELWITHDEBINFO
        _RELEASE
        _MINSIZEREL
        _DEBUG
    )
    list(REMOVE_DUPLICATES configs)
    # Look for the default empty configuration type at the first place.
    list(PREPEND configs "")

    foreach(config ${configs})
        get_target_property(${out_var} ${target} "IMPORTED_LOCATION${config}")
        if(${out_var})
            break()
        endif()
    endforeach()

    set(${out_var} "${${out_var}}" PARENT_SCOPE)
endfunction()

function(_qt_internal_generate_tool_command_wrapper)
    get_property(is_called GLOBAL PROPERTY _qt_internal_generate_tool_command_wrapper_called)
    if(NOT CMAKE_HOST_WIN32 OR is_called)
        return()
    endif()

    set(prefixes "")

    # In a prefix build, the just-built tools should pick up libraries from the current repo build
    # dir.
    if(QT_BUILD_DIR)
        list(APPEND prefixes "${QT_BUILD_DIR}")
    endif()

    # Pick up libraries from the main location where Qt was installed during a Qt build.
    if(QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX)
        list(APPEND prefixes "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}")
    endif()

    # Needed for ExternalProjects examples, where the Qt build dir is passed via this variable
    # to the example project.
    if(QT_ADDITIONAL_PACKAGES_PREFIX_PATH)
        __qt_internal_prefix_paths_to_roots(additional_roots
            "${QT_ADDITIONAL_PACKAGES_PREFIX_PATH}")
        list(APPEND prefixes ${QT_ADDITIONAL_PACKAGES_PREFIX_PATH})
    endif()

    # Fallback to wherever Qt6 package is.
    if(QT6_INSTALL_PREFIX)
        list(APPEND prefixes "${QT6_INSTALL_PREFIX}")
    endif()

    # When building qtbase, QT6_INSTALL_BINS is not set yet.
    if(INSTALL_BINDIR)
        set(bin_suffix "${INSTALL_BINDIR}")
    else()
        set(bin_suffix "${QT6_INSTALL_BINS}")
    endif()

    set(path_dirs "")
    foreach(prefix IN LISTS prefixes)
        set(bin_dir "${prefix}/${bin_suffix}")
        if(EXISTS "${bin_dir}")
            file(TO_NATIVE_PATH "${bin_dir}" path_dir)
            list(APPEND path_dirs "${path_dir}")
        endif()
    endforeach()

    set(tool_command_wrapper_dir "${CMAKE_BINARY_DIR}/.qt/bin")
    file(MAKE_DIRECTORY "${tool_command_wrapper_dir}")
    set(tool_command_wrapper_path "${tool_command_wrapper_dir}/qt_setup_tool_path.bat")

    file(WRITE "${tool_command_wrapper_path}" "@echo off
set PATH=${path_dirs};%PATH%
%*")

    set(QT_TOOL_COMMAND_WRAPPER_PATH "${tool_command_wrapper_path}"
        CACHE INTERNAL "Path to the wrapper of the tool commands")

    set_property(GLOBAL PROPERTY _qt_internal_generate_tool_command_wrapper_called TRUE)
endfunction()

# Wraps a tool command with a script that contains the necessary environment for the tool to run
# correctly.
# _qt_internal_wrap_tool_command(var <SET|APPEND> <command> [args...])
# Arguments:
#    APPEND Selects the 'append' mode for the out_variable argument.
#    SET Selects the 'set' mode for the out_variable argument.
#
# FIXME: Replace all usages of _qt_internal_wrap_tool_command
# with _qt_internal_get_wrap_tool_script_path and remove the former.
# The former always adds the COMMAND keyword, which does not allow the caller to wrap the
# commands in a generator expression. See _qt_internal_target_enable_qmllint for an example.
function(_qt_internal_wrap_tool_command out_variable action)
    set(append FALSE)
    if(action STREQUAL "APPEND")
        set(append TRUE)
    elseif(NOT action STREQUAL "SET")
        message(FATAL_ERROR "Invalid action specified ${action}. Supported actions: SET, APPEND")
    endif()

    # Ensure the script wrapper exists.
    _qt_internal_generate_tool_command_wrapper()

    set(cmd COMMAND ${QT_TOOL_COMMAND_WRAPPER_PATH} ${ARGN})

    if(append)
        list(APPEND ${out_variable} ${cmd})
    else()
        set(${out_variable} ${cmd})
    endif()
    set(${out_variable} "${${out_variable}}" PARENT_SCOPE)
endfunction()

# Gets the path to tool wrapper shell script.
function(_qt_internal_get_tool_wrapper_script_path out_variable)
    # Ensure the script wrapper exists.
    _qt_internal_generate_tool_command_wrapper()

    set(${out_variable} "${QT_TOOL_COMMAND_WRAPPER_PATH}" PARENT_SCOPE)
endfunction()