qt5base-lts/cmake/QtPlatformSupport.cmake
Lorn Potter 924eec1daa wasm: add support for wasm64 build
This adds a new platform named wasm-emscripten-64
which sets the build and link argument -MEMORY64

 You may see this warning, please ignore at your own discretion:

 em++: warning: -sMEMORY64 is still experimental. Many features may not work.
 [-Wexperimental]

Fixes: QTBUG-104891
Change-Id: I8d3150d239ba72dbef5c2352e0171d6cfbe51b59
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
2022-12-07 08:30:46 +10:00

91 lines
3.5 KiB
CMake

# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
function(qt_set01 result)
if (${ARGN})
set("${result}" 1 PARENT_SCOPE)
else()
set("${result}" 0 PARENT_SCOPE)
endif()
endfunction()
qt_set01(LINUX CMAKE_SYSTEM_NAME STREQUAL "Linux")
qt_set01(HPUX CMAKE_SYSTEM_NAME STREQUAL "HPUX")
qt_set01(ANDROID CMAKE_SYSTEM_NAME STREQUAL "Android") # FIXME: How to identify this?
qt_set01(NACL CMAKE_SYSTEM_NAME STREQUAL "NaCl") # FIXME: How to identify this?
qt_set01(INTEGRITY CMAKE_SYSTEM_NAME STREQUAL "Integrity") # FIXME: How to identify this?
qt_set01(VXWORKS CMAKE_SYSTEM_NAME STREQUAL "VxWorks") # FIXME: How to identify this?
qt_set01(QNX CMAKE_SYSTEM_NAME STREQUAL "QNX") # FIXME: How to identify this?
qt_set01(OPENBSD CMAKE_SYSTEM_NAME STREQUAL "OpenBSD") # FIXME: How to identify this?
qt_set01(FREEBSD CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") # FIXME: How to identify this?
qt_set01(NETBSD CMAKE_SYSTEM_NAME STREQUAL "NetBSD") # FIXME: How to identify this?
qt_set01(WASM CMAKE_SYSTEM_NAME STREQUAL "Emscripten" OR EMSCRIPTEN)
qt_set01(WASM64 QT_QMAKE_TARGET_MKSPEC STREQUAL "wasm-emscripten-64")
qt_set01(SOLARIS CMAKE_SYSTEM_NAME STREQUAL "SunOS")
qt_set01(HURD CMAKE_SYSTEM_NAME STREQUAL "GNU")
# This is the only reliable way we can determine the webOS platform as the yocto recipe adds this
# compile definition into its generated toolchain.cmake file
qt_set01(WEBOS CMAKE_CXX_FLAGS MATCHES "-D__WEBOS__")
qt_set01(BSD APPLE OR OPENBSD OR FREEBSD OR NETBSD)
qt_set01(IOS APPLE AND CMAKE_SYSTEM_NAME STREQUAL "iOS")
qt_set01(TVOS APPLE AND CMAKE_SYSTEM_NAME STREQUAL "tvOS")
qt_set01(WATCHOS APPLE AND CMAKE_SYSTEM_NAME STREQUAL "watchOS")
qt_set01(UIKIT APPLE AND (IOS OR TVOS OR WATCHOS))
qt_set01(MACOS APPLE AND NOT UIKIT)
qt_set01(GCC CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
qt_set01(CLANG CMAKE_CXX_COMPILER_ID MATCHES "Clang|IntelLLVM")
qt_set01(APPLECLANG CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
qt_set01(IntelLLVM CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
qt_set01(QCC CMAKE_CXX_COMPILER_ID STREQUAL "QCC") # CMP0047
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(QT_64BIT TRUE)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(QT_32BIT TRUE)
endif()
# Parses a version string like "xx.yy.zz" and sets the major, minor and patch variables.
function(qt_parse_version_string version_string out_var_prefix)
string(REPLACE "." ";" version_list ${version_string})
list(LENGTH version_list length)
set(out_var "${out_var_prefix}_MAJOR")
set(value "")
if(length GREATER 0)
list(GET version_list 0 value)
list(REMOVE_AT version_list 0)
math(EXPR length "${length}-1")
endif()
set(${out_var} "${value}" PARENT_SCOPE)
set(out_var "${out_var_prefix}_MINOR")
set(value "")
if(length GREATER 0)
list(GET version_list 0 value)
set(${out_var} "${value}" PARENT_SCOPE)
list(REMOVE_AT version_list 0)
math(EXPR length "${length}-1")
endif()
set(${out_var} "${value}" PARENT_SCOPE)
set(out_var "${out_var_prefix}_PATCH")
set(value "")
if(length GREATER 0)
list(GET version_list 0 value)
set(${out_var} "${value}" PARENT_SCOPE)
list(REMOVE_AT version_list 0)
math(EXPR length "${length}-1")
endif()
set(${out_var} "${value}" PARENT_SCOPE)
endfunction()
# Set up the separate version components for the compiler version, to allow mapping of qmake
# conditions like 'equals(QT_GCC_MAJOR_VERSION,5)'.
if(CMAKE_CXX_COMPILER_VERSION)
qt_parse_version_string("${CMAKE_CXX_COMPILER_VERSION}" "QT_COMPILER_VERSION")
endif()