Remove unsupported host-related configure options

The following host-related configure options were unsupported since Qt
6.0 and are now completely removed:
-hostprefix
-external-hostbindir
-host*dir (except -hostdatadir)
-android-ndk-host

Pick-to: 6.2
Change-Id: Ib69d90c40ef546f61bf87b1f443eb9d10f7a5a21
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

cmake/QtProcessConfigureArgs.cmake

@@ -76,12 +76,6 @@ while(NOT "${configure_args}" STREQUAL "")
     elseif(arg STREQUAL "-skip")
         list(POP_FRONT configure_args qtrepo)
         push("-DBUILD_${qtrepo}=OFF")
-    elseif(arg STREQUAL "-hostprefix")
-        message(FATAL_ERROR "${arg} is not supported in the CMake build.")
-    elseif(arg STREQUAL "-external-hostbindir")
-        # This points to the bin directory of the Qt installation.
-        # This can be multiple levels deep and we cannot deduce the QT_HOST_PATH safely.
-        message(FATAL_ERROR "${arg} is not supported anymore. Use -qt-host-path <dir> instead.")
     elseif(arg STREQUAL "-qt-host-path")
         pop_path_argument()
         push("-DQT_HOST_PATH=${path}")
@@ -99,8 +93,6 @@ while(NOT "${configure_args}" STREQUAL "")
         set(cmake_file_api TRUE)
     elseif(arg STREQUAL "-no-cmake-file-api")
         set(cmake_file_api FALSE)
-    elseif(arg MATCHES "^-host.*dir")
-        message(FATAL_ERROR "${arg} is not supported anymore.")
     elseif(arg STREQUAL "--")
         # Everything after this argument will be passed to CMake verbatim.
         list(APPEND cmake_args "${configure_args}")
@@ -800,12 +792,6 @@ translate_string_input(qpa_default_platform QT_QPA_DEFAULT_PLATFORM)
 
 translate_path_input(android-sdk ANDROID_SDK_ROOT)
 translate_path_input(android-ndk ANDROID_NDK_ROOT)
-if(DEFINED INPUT_android-ndk-host)
-    drop_input(android-ndk-host)
-    qtConfAddWarning("The -android-ndk-host option is not supported with the CMake build. "
-        "Determining the right host platform is handled by the CMake toolchain file that is "
-        "located in your NDK.")
-endif()
 if(DEFINED INPUT_android-ndk-platform)
     drop_input(android-ndk-platform)
     string(REGEX REPLACE "^android-" "" INPUT_android-ndk-platform "${INPUT_android-ndk-platform}")

cmake/configure-cmake-mapping.md

@@ -4,11 +4,8 @@ The following table describes the mapping of configure options to CMake argument
 |---------------------------------------|---------------------------------------------------|-----------------------------------------------------------------|
 | -prefix /opt/qt6                      | -DCMAKE_INSTALL_PREFIX=/opt/qta6                  |                                                                 |
 | -extprefix /opt/qt6                   | -DCMAKE_STAGING_PREFIX=/opt/qt6                   |                                                                 |
-| -hostprefix  /where/ever              | n/a                                               | When cross-building Qt, we do not build for host system anymore |
-| -external-hostbindir /path/to/host/qt | -DQT_HOST_PATH=/path/to/host/qt                   | Can be set with configure -qt-host-path /path/to/host/qt.       |
 | -bindir <dir>                         | -DINSTALL_BINDIR=<dir>                            | similar for -headerdir -libdir and so on                        |
 | -hostdatadir <dir>                    | -DINSTALL_MKSPECSDIR=<dir>                        |                                                                 |
-| -host*dir <dir>                       | n/a                                               |                                                                 |
 | -help                                 | n/a                                               | Handled by configure[.bat].                                     |
 | -verbose                              |                                                   |                                                                 |
 | -continue                             |                                                   |                                                                 |
@@ -95,7 +92,6 @@ The following table describes the mapping of configure options to CMake argument
 | -android-sdk <path>                   | -DANDROID_SDK_ROOT=<path>                         |                                                                 |
 | -android-ndk <path>                   | -DCMAKE_TOOLCHAIN_PATH=<toolchain file in NDK>    |                                                                 |
 | -android-ndk-platform android-23      | -DCMAKE_ANDROID_NATIVE_API_LEVEL=23               |                                                                 |
-| -android-ndk-host                     | n/a                                               | determined by toolchain file                                    |
 | -android-abis <abi_1>,...,<abi_n>     | -DANDROID_ABI=<abi_1>                             | only one ABI can be specified                                   |
 | -android-style-assets                 | -DFEATURE_android_style_assets=ON                 |                                                                 |
 | -android-javac-source                 | -DQT_ANDROID_JAVAC_SOURCE=7                       | Set the javac build source version.                             |

config_help.txt

@@ -9,8 +9,6 @@ Top-level installation directories:
                        -developer-build]
   -extprefix <dir> ... The installation directory, as seen on the host machine.
                        [SYSROOT/PREFIX]
-  -external-hostbindir <path> ... Path to Qt tools built for this machine.
-                       This option is required when cross-compiling Qt.
 
 Fine tuning of installation directory layout. Note that all directories
 except -sysconfdir should be located under -prefix:

configure

@@ -163,7 +163,6 @@ while [ "$#" -gt 0 ]; do
     -hostlibdir| \
     -extprefix| \
     -sysroot| \
-    -external-hostbindir| \
     -make| \
     -nomake| \
     -skip| \

qt_cmdline.cmake

@@ -10,18 +10,14 @@ qt_commandline_subconfig(src/testlib)
 qt_commandline_subconfig(qmake) # special case
 qt_commandline_custom(qmakeArgs)
 qt_commandline_option(prefix TYPE string)
-qt_commandline_option(hostprefix TYPE optionalString)
 qt_commandline_option(extprefix TYPE string)
 qt_commandline_option(archdatadir TYPE string)
 qt_commandline_option(bindir TYPE string)
 qt_commandline_option(datadir TYPE string)
 qt_commandline_option(docdir TYPE string)
 qt_commandline_option(examplesdir TYPE string)
-qt_commandline_option(external-hostbindir TYPE string)
 qt_commandline_option(headerdir TYPE string)
-qt_commandline_option(hostbindir TYPE string)
 qt_commandline_option(hostdatadir TYPE string)
-qt_commandline_option(hostlibdir TYPE string)
 qt_commandline_option(libdir TYPE string)
 qt_commandline_option(libexecdir TYPE string)
 qt_commandline_option(plugindir TYPE string)
@@ -33,7 +29,6 @@ qt_commandline_option(translationdir TYPE string)
 qt_commandline_option(android-arch TYPE string)
 qt_commandline_option(android-abis TYPE string)
 qt_commandline_option(android-ndk TYPE string)
-qt_commandline_option(android-ndk-host TYPE string)
 qt_commandline_option(android-ndk-platform TYPE string)
 qt_commandline_option(android-sdk TYPE string)
 qt_commandline_option(android-javac-target TYPE string)