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vcpkg/scripts/cmake/vcpkg_configure_cmake.cmake
Jack·Boos·Yu b7f99c3c4b
[vcpkg-cmake] Fix docs and usage of option MAYBE_UNUSED_VARIABLES (#19245) 
* Remove unused cmake options and MAYBE_UNUSED_VARIABLES values

* Update MAYBE_UNUSED_VARIABLES docs

* update version

* version stuff

* version stuff

* update docs
2021-08-03 10:42:34 -07:00

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CMake
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# DEPRECATED BY ports/vcpkg-cmake/vcpkg_cmake_configure
#[===[.md:
# vcpkg_configure_cmake
Configure CMake for Debug and Release builds of a project.
## Usage
```cmake
vcpkg_configure_cmake(
SOURCE_PATH <${SOURCE_PATH}>
[PREFER_NINJA]
[DISABLE_PARALLEL_CONFIGURE]
[NO_CHARSET_FLAG]
[GENERATOR <"NMake Makefiles">]
[OPTIONS <-DUSE_THIS_IN_ALL_BUILDS=1>...]
[OPTIONS_RELEASE <-DOPTIMIZE=1>...]
[OPTIONS_DEBUG <-DDEBUGGABLE=1>...]
[MAYBE_UNUSED_VARIABLES <OPTION_NAME>...]
)
```
## Parameters
### SOURCE_PATH
Specifies the directory containing the `CMakeLists.txt`.
By convention, this is usually set in the portfile as the variable `SOURCE_PATH`.
### PREFER_NINJA
Indicates that, when available, Vcpkg should use Ninja to perform the build.
This should be specified unless the port is known to not work under Ninja.
### DISABLE_PARALLEL_CONFIGURE
Disables running the CMake configure step in parallel.
This is needed for libraries which write back into their source directory during configure.
This also disables CMAKE_DISABLE_SOURCE_CHANGES.
### NO_CHARSET_FLAG
Disables passing `utf-8` as the default character set to `CMAKE_C_FLAGS` and `CMAKE_CXX_FLAGS`.
This is needed for libraries that set their own source code's character set.
### GENERATOR
Specifies the precise generator to use.
This is useful if some project-specific buildsystem has been wrapped in a cmake script that won't perform an actual build.
If used for this purpose, it should be set to `"NMake Makefiles"`.
### OPTIONS
Additional options passed to CMake during the configuration.
### OPTIONS_RELEASE
Additional options passed to CMake during the Release configuration. These are in addition to `OPTIONS`.
### OPTIONS_DEBUG
Additional options passed to CMake during the Debug configuration. These are in addition to `OPTIONS`.
### MAYBE_UNUSED_VARIABLES
Any CMake variables which are explicitly passed in, but which may not be used on all platforms.
For example:
```cmake
vcpkg_cmake_configure(
...
OPTIONS
-DBUILD_EXAMPLE=OFF
...
MAYBE_UNUSED_VARIABLES
BUILD_EXAMPLE
)
```
### LOGNAME
Name of the log to write the output of the configure call to.
## Notes
This command supplies many common arguments to CMake. To see the full list, examine the source.
## Examples
* [zlib](https://github.com/Microsoft/vcpkg/blob/master/ports/zlib/portfile.cmake)
* [cpprestsdk](https://github.com/Microsoft/vcpkg/blob/master/ports/cpprestsdk/portfile.cmake)
* [poco](https://github.com/Microsoft/vcpkg/blob/master/ports/poco/portfile.cmake)
* [opencv](https://github.com/Microsoft/vcpkg/blob/master/ports/opencv/portfile.cmake)
#]===]
function(vcpkg_configure_cmake)
cmake_parse_arguments(PARSE_ARGV 0 arg
"PREFER_NINJA;DISABLE_PARALLEL_CONFIGURE;NO_CHARSET_FLAG;Z_GET_CMAKE_VARS_USAGE"
"SOURCE_PATH;GENERATOR;LOGNAME"
"OPTIONS;OPTIONS_DEBUG;OPTIONS_RELEASE;MAYBE_UNUSED_VARIABLES"
)
if(NOT arg_Z_GET_CMAKE_VARS_USAGE AND Z_VCPKG_CMAKE_CONFIGURE_GUARD)
message(FATAL_ERROR "The ${PORT} port already depends on vcpkg-cmake; using both vcpkg-cmake and vcpkg_configure_cmake in the same port is unsupported.")
endif()
if(NOT VCPKG_PLATFORM_TOOLSET)
message(FATAL_ERROR "Vcpkg has been updated with VS2017 support; "
"however, vcpkg.exe must be rebuilt by re-running bootstrap-vcpkg.bat\n")
endif()
if(NOT arg_LOGNAME)
set(arg_LOGNAME config-${TARGET_TRIPLET})
endif()
set(manually_specified_variables "")
if(arg_Z_GET_CMAKE_VARS_USAGE)
set(configuring_message "Getting CMake variables for ${TARGET_TRIPLET}")
else()
set(configuring_message "Configuring ${TARGET_TRIPLET}")
foreach(option IN LISTS arg_OPTIONS arg_OPTIONS_RELEASE arg_OPTIONS_DEBUG)
if(option MATCHES "^-D([^:=]*)[:=]")
list(APPEND manually_specified_variables "${CMAKE_MATCH_1}")
endif()
endforeach()
list(REMOVE_DUPLICATES manually_specified_variables)
list(REMOVE_ITEM manually_specified_variables ${arg_MAYBE_UNUSED_VARIABLES})
debug_message("manually specified variables: ${manually_specified_variables}")
endif()
if(CMAKE_HOST_WIN32)
if(DEFINED ENV{PROCESSOR_ARCHITEW6432})
set(arg_HOST_ARCHITECTURE $ENV{PROCESSOR_ARCHITEW6432})
else()
set(arg_HOST_ARCHITECTURE $ENV{PROCESSOR_ARCHITECTURE})
endif()
endif()
set(NINJA_CAN_BE_USED ON) # Ninja as generator
set(NINJA_HOST ON) # Ninja as parallel configurator
if(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
set(_TARGETTING_UWP 1)
endif()
if(arg_HOST_ARCHITECTURE STREQUAL "x86")
# Prebuilt ninja binaries are only provided for x64 hosts
set(NINJA_CAN_BE_USED OFF)
set(NINJA_HOST OFF)
elseif(_TARGETTING_UWP)
# Ninja and MSBuild have many differences when targetting UWP, so use MSBuild to maximize existing compatibility
set(NINJA_CAN_BE_USED OFF)
endif()
if(arg_GENERATOR)
set(GENERATOR ${arg_GENERATOR})
elseif(arg_PREFER_NINJA AND NINJA_CAN_BE_USED)
set(GENERATOR "Ninja")
elseif(VCPKG_CHAINLOAD_TOOLCHAIN_FILE OR (VCPKG_CMAKE_SYSTEM_NAME AND NOT _TARGETTING_UWP))
set(GENERATOR "Ninja")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v120")
set(GENERATOR "Visual Studio 12 2013")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v120")
set(GENERATOR "Visual Studio 12 2013 Win64")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v120")
set(GENERATOR "Visual Studio 12 2013 ARM")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v140")
set(GENERATOR "Visual Studio 14 2015")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v140")
set(GENERATOR "Visual Studio 14 2015 Win64")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v140")
set(GENERATOR "Visual Studio 14 2015 ARM")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v141")
set(GENERATOR "Visual Studio 15 2017")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v141")
set(GENERATOR "Visual Studio 15 2017 Win64")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v141")
set(GENERATOR "Visual Studio 15 2017 ARM")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v141")
set(GENERATOR "Visual Studio 15 2017")
set(ARCH "ARM64")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v142")
set(GENERATOR "Visual Studio 16 2019")
set(ARCH "Win32")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v142")
set(GENERATOR "Visual Studio 16 2019")
set(ARCH "x64")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v142")
set(GENERATOR "Visual Studio 16 2019")
set(ARCH "ARM")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" AND VCPKG_PLATFORM_TOOLSET STREQUAL "v142")
set(GENERATOR "Visual Studio 16 2019")
set(ARCH "ARM64")
else()
if(NOT VCPKG_CMAKE_SYSTEM_NAME)
set(VCPKG_CMAKE_SYSTEM_NAME Windows)
endif()
message(FATAL_ERROR "Unable to determine appropriate generator for: "
"${VCPKG_CMAKE_SYSTEM_NAME}-${VCPKG_TARGET_ARCHITECTURE}-${VCPKG_PLATFORM_TOOLSET}")
endif()
# If we use Ninja, make sure it's on PATH
if(GENERATOR STREQUAL "Ninja" AND NOT DEFINED ENV{VCPKG_FORCE_SYSTEM_BINARIES})
vcpkg_find_acquire_program(NINJA)
get_filename_component(NINJA_PATH ${NINJA} DIRECTORY)
vcpkg_add_to_path("${NINJA_PATH}")
list(APPEND arg_OPTIONS "-DCMAKE_MAKE_PROGRAM=${NINJA}")
endif()
file(REMOVE_RECURSE ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg)
if(DEFINED VCPKG_CMAKE_SYSTEM_NAME)
list(APPEND arg_OPTIONS "-DCMAKE_SYSTEM_NAME=${VCPKG_CMAKE_SYSTEM_NAME}")
if(_TARGETTING_UWP AND NOT DEFINED VCPKG_CMAKE_SYSTEM_VERSION)
set(VCPKG_CMAKE_SYSTEM_VERSION 10.0)
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Android" AND NOT DEFINED VCPKG_CMAKE_SYSTEM_VERSION)
set(VCPKG_CMAKE_SYSTEM_VERSION 21)
endif()
endif()
if(DEFINED VCPKG_CMAKE_SYSTEM_VERSION)
list(APPEND arg_OPTIONS "-DCMAKE_SYSTEM_VERSION=${VCPKG_CMAKE_SYSTEM_VERSION}")
endif()
if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
list(APPEND arg_OPTIONS -DBUILD_SHARED_LIBS=ON)
elseif(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
list(APPEND arg_OPTIONS -DBUILD_SHARED_LIBS=OFF)
else()
message(FATAL_ERROR
"Invalid setting for VCPKG_LIBRARY_LINKAGE: \"${VCPKG_LIBRARY_LINKAGE}\". "
"It must be \"static\" or \"dynamic\"")
endif()
macro(check_both_vars_are_set var1 var2)
if((NOT DEFINED ${var1} OR NOT DEFINED ${var2}) AND (DEFINED ${var1} OR DEFINED ${var2}))
message(FATAL_ERROR "Both ${var1} and ${var2} must be set.")
endif()
endmacro()
check_both_vars_are_set(VCPKG_CXX_FLAGS_DEBUG VCPKG_C_FLAGS_DEBUG)
check_both_vars_are_set(VCPKG_CXX_FLAGS_RELEASE VCPKG_C_FLAGS_RELEASE)
check_both_vars_are_set(VCPKG_CXX_FLAGS VCPKG_C_FLAGS)
set(VCPKG_SET_CHARSET_FLAG ON)
if(arg_NO_CHARSET_FLAG)
set(VCPKG_SET_CHARSET_FLAG OFF)
endif()
if(NOT VCPKG_CHAINLOAD_TOOLCHAIN_FILE)
if(NOT DEFINED VCPKG_CMAKE_SYSTEM_NAME OR _TARGETTING_UWP)
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/windows.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/linux.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Android")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/android.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Darwin")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/osx.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "iOS")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/ios.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/freebsd.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/openbsd.cmake")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "MinGW")
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${SCRIPTS}/toolchains/mingw.cmake")
endif()
endif()
list(JOIN VCPKG_TARGET_ARCHITECTURE "\;" target_architecure_string)
list(APPEND arg_OPTIONS
"-DVCPKG_CHAINLOAD_TOOLCHAIN_FILE=${VCPKG_CHAINLOAD_TOOLCHAIN_FILE}"
"-DVCPKG_TARGET_TRIPLET=${TARGET_TRIPLET}"
"-DVCPKG_SET_CHARSET_FLAG=${VCPKG_SET_CHARSET_FLAG}"
"-DVCPKG_PLATFORM_TOOLSET=${VCPKG_PLATFORM_TOOLSET}"
"-DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON"
"-DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON"
"-DCMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY=ON"
"-DCMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_SKIP=TRUE"
"-DCMAKE_VERBOSE_MAKEFILE=ON"
"-DVCPKG_APPLOCAL_DEPS=OFF"
"-DCMAKE_TOOLCHAIN_FILE=${SCRIPTS}/buildsystems/vcpkg.cmake"
"-DCMAKE_ERROR_ON_ABSOLUTE_INSTALL_DESTINATION=ON"
"-DVCPKG_CXX_FLAGS=${VCPKG_CXX_FLAGS}"
"-DVCPKG_CXX_FLAGS_RELEASE=${VCPKG_CXX_FLAGS_RELEASE}"
"-DVCPKG_CXX_FLAGS_DEBUG=${VCPKG_CXX_FLAGS_DEBUG}"
"-DVCPKG_C_FLAGS=${VCPKG_C_FLAGS}"
"-DVCPKG_C_FLAGS_RELEASE=${VCPKG_C_FLAGS_RELEASE}"
"-DVCPKG_C_FLAGS_DEBUG=${VCPKG_C_FLAGS_DEBUG}"
"-DVCPKG_CRT_LINKAGE=${VCPKG_CRT_LINKAGE}"
"-DVCPKG_LINKER_FLAGS=${VCPKG_LINKER_FLAGS}"
"-DVCPKG_LINKER_FLAGS_RELEASE=${VCPKG_LINKER_FLAGS_RELEASE}"
"-DVCPKG_LINKER_FLAGS_DEBUG=${VCPKG_LINKER_FLAGS_DEBUG}"
"-DVCPKG_TARGET_ARCHITECTURE=${target_architecure_string}"
"-DCMAKE_INSTALL_LIBDIR:STRING=lib"
"-DCMAKE_INSTALL_BINDIR:STRING=bin"
"-D_VCPKG_ROOT_DIR=${VCPKG_ROOT_DIR}"
"-D_VCPKG_INSTALLED_DIR=${_VCPKG_INSTALLED_DIR}"
"-DVCPKG_MANIFEST_INSTALL=OFF"
)
if(DEFINED ARCH)
list(APPEND arg_OPTIONS
"-A${ARCH}"
)
endif()
# Sets configuration variables for macOS builds
foreach(config_var INSTALL_NAME_DIR OSX_DEPLOYMENT_TARGET OSX_SYSROOT OSX_ARCHITECTURES)
if(DEFINED VCPKG_${config_var})
list(JOIN VCPKG_${config_var} "\;" config_var_value)
list(APPEND arg_OPTIONS "-DCMAKE_${config_var}=${config_var_value}")
endif()
endforeach()
set(rel_command
${CMAKE_COMMAND} ${arg_SOURCE_PATH} "${arg_OPTIONS}" "${arg_OPTIONS_RELEASE}"
-G ${GENERATOR}
-DCMAKE_BUILD_TYPE=Release
-DCMAKE_INSTALL_PREFIX=${CURRENT_PACKAGES_DIR})
set(dbg_command
${CMAKE_COMMAND} ${arg_SOURCE_PATH} "${arg_OPTIONS}" "${arg_OPTIONS_DEBUG}"
-G ${GENERATOR}
-DCMAKE_BUILD_TYPE=Debug
-DCMAKE_INSTALL_PREFIX=${CURRENT_PACKAGES_DIR}/debug)
if(NINJA_HOST AND CMAKE_HOST_WIN32 AND NOT arg_DISABLE_PARALLEL_CONFIGURE)
list(APPEND arg_OPTIONS "-DCMAKE_DISABLE_SOURCE_CHANGES=ON")
vcpkg_find_acquire_program(NINJA)
get_filename_component(NINJA_PATH ${NINJA} DIRECTORY)
vcpkg_add_to_path("${NINJA_PATH}")
#parallelize the configure step
set(_contents
"rule CreateProcess\n command = $process\n\n"
)
macro(_build_cmakecache whereat build_type)
set(${build_type}_line "build ${whereat}/CMakeCache.txt: CreateProcess\n process = cmd /c \"cd ${whereat} &&")
foreach(arg ${${build_type}_command})
set(${build_type}_line "${${build_type}_line} \"${arg}\"")
endforeach()
set(_contents "${_contents}${${build_type}_line}\"\n\n")
endmacro()
if(NOT DEFINED VCPKG_BUILD_TYPE)
_build_cmakecache(".." "rel")
_build_cmakecache("../../${TARGET_TRIPLET}-dbg" "dbg")
elseif(VCPKG_BUILD_TYPE STREQUAL "release")
_build_cmakecache(".." "rel")
elseif(VCPKG_BUILD_TYPE STREQUAL "debug")
_build_cmakecache("../../${TARGET_TRIPLET}-dbg" "dbg")
endif()
file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/vcpkg-parallel-configure)
file(WRITE ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/vcpkg-parallel-configure/build.ninja "${_contents}")
message(STATUS "${configuring_message}")
vcpkg_execute_required_process(
COMMAND ninja -v
WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/vcpkg-parallel-configure
LOGNAME ${arg_LOGNAME}
)
list(APPEND config_logs
"${CURRENT_BUILDTREES_DIR}/${arg_LOGNAME}-out.log"
"${CURRENT_BUILDTREES_DIR}/${arg_LOGNAME}-err.log")
else()
if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
message(STATUS "${configuring_message}-dbg")
file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg)
vcpkg_execute_required_process(
COMMAND ${dbg_command}
WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg
LOGNAME ${arg_LOGNAME}-dbg
)
list(APPEND config_logs
"${CURRENT_BUILDTREES_DIR}/${arg_LOGNAME}-dbg-out.log"
"${CURRENT_BUILDTREES_DIR}/${arg_LOGNAME}-dbg-err.log")
endif()
if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
message(STATUS "${configuring_message}-rel")
file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel)
vcpkg_execute_required_process(
COMMAND ${rel_command}
WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel
LOGNAME ${arg_LOGNAME}-rel
)
list(APPEND config_logs
"${CURRENT_BUILDTREES_DIR}/${arg_LOGNAME}-rel-out.log"
"${CURRENT_BUILDTREES_DIR}/${arg_LOGNAME}-rel-err.log")
endif()
endif()
# Check unused variables
set(all_unused_variables)
foreach(config_log IN LISTS config_logs)
if (NOT EXISTS "${config_log}")
continue()
endif()
file(READ "${config_log}" log_contents)
debug_message("Reading configure log ${config_log}...")
if(NOT log_contents MATCHES "Manually-specified variables were not used by the project:\n\n(( [^\n]*\n)*)")
continue()
endif()
string(STRIP "${CMAKE_MATCH_1}" unused_variables) # remove leading ` ` and trailing `\n`
string(REPLACE "\n " ";" unused_variables "${unused_variables}")
debug_message("unused variables: ${unused_variables}")
foreach(unused_variable IN LISTS unused_variables)
if(unused_variable IN_LIST manually_specified_variables)
debug_message("manually specified unused variable: ${unused_variable}")
list(APPEND all_unused_variables "${unused_variable}")
else()
debug_message("unused variable (not manually specified): ${unused_variable}")
endif()
endforeach()
endforeach()
if(DEFINED all_unused_variables)
list(REMOVE_DUPLICATES all_unused_variables)
list(JOIN all_unused_variables "\n " all_unused_variables)
message(WARNING "The following variables are not used in CMakeLists.txt:
${all_unused_variables}
Please recheck them and remove the unnecessary options from the `vcpkg_configure_cmake` call.
If these options should still be passed for whatever reason, please use the `MAYBE_UNUSED_VARIABLES` argument.")
endif()
if(NOT arg_Z_GET_CMAKE_VARS_USAGE)
set(Z_VCPKG_CMAKE_GENERATOR "${GENERATOR}" PARENT_SCOPE)
endif()
endfunction()
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