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# Copyright (c) 2024-present The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or https://opensource.org/license/mit/.
#[=======================================================================[
FindQt
------
Finds the Qt headers and libraries.
This is a wrapper around find_package() command that:
- facilitates searching in various build environments
- prints a standard log message
#]=======================================================================]
set(_qt_homebrew_prefix)
if(CMAKE_HOST_APPLE)
find_program(HOMEBREW_EXECUTABLE brew)
if(HOMEBREW_EXECUTABLE)
execute_process(
COMMAND ${HOMEBREW_EXECUTABLE} --prefix qt@${Qt_FIND_VERSION_MAJOR}
OUTPUT_VARIABLE _qt_homebrew_prefix
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
endif()
endif()
# Save CMAKE_FIND_ROOT_PATH_MODE_LIBRARY state.
unset(_qt_find_root_path_mode_library_saved)
if(DEFINED CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
set(_qt_find_root_path_mode_library_saved ${CMAKE_FIND_ROOT_PATH_MODE_LIBRARY})
endif()
# The Qt config files internally use find_library() calls for all
# dependencies to ensure their availability. In turn, the find_library()
# inspects the well-known locations on the file system; therefore, it must
# be able to find platform-specific system libraries, for example:
# /usr/x86_64-w64-mingw32/lib/libm.a or /usr/arm-linux-gnueabihf/lib/libm.a.
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
find_package(Qt${Qt_FIND_VERSION_MAJOR} ${Qt_FIND_VERSION}
COMPONENTS ${Qt_FIND_COMPONENTS}
HINTS ${_qt_homebrew_prefix}
PATH_SUFFIXES Qt${Qt_FIND_VERSION_MAJOR} # Required on OpenBSD systems.
)
unset(_qt_homebrew_prefix)
# Restore CMAKE_FIND_ROOT_PATH_MODE_LIBRARY state.
if(DEFINED _qt_find_root_path_mode_library_saved)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ${_qt_find_root_path_mode_library_saved})
unset(_qt_find_root_path_mode_library_saved)
else()
unset(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Qt
REQUIRED_VARS Qt${Qt_FIND_VERSION_MAJOR}_DIR
VERSION_VAR Qt${Qt_FIND_VERSION_MAJOR}_VERSION
)
foreach(component IN LISTS Qt_FIND_COMPONENTS ITEMS "")
mark_as_advanced(Qt${Qt_FIND_VERSION_MAJOR}${component}_DIR)
endforeach()
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