3 files changed, 34 insertions, 0 deletions
diff --git a/src/host/CMakeLists.txt b/src/host/CMakeLists.txt
index 59e003025..d579a61b8 100644
--- a/src/host/CMakeLists.txt
+++ b/src/host/CMakeLists.txt
@@ -52,3 +52,17 @@ if(QT_FEATURE_qtpdf_build)
     )
 endif()
 
+# TODO: this could be run as part of main configure with execute_process
+
+if(CMAKE_CXX_COMPILER_ID STREQUAL GNU AND TEST_architecture_arch STREQUAL "x86_64"
+AND GN_TARGET_CPU STREQUAL "arm")
+    try_compile(
+        has32HostCompiler
+        "${CMAKE_CURRENT_BINARY_DIR}/config.tests/hostcompiler"
+        "${CMAKE_CURRENT_SOURCE_DIR}/config.tests/hostcompiler"
+        hostcompiler
+    )
+    if(NOT has32HostCompiler)
+        MESSAGE(FATAL_ERROR "Compiler does not support 32bit compilation")
+    endif()
+endif()
diff --git a/src/host/config.tests/hostcompiler/CMakeLists.txt b/src/host/config.tests/hostcompiler/CMakeLists.txt
new file mode 100644
index 000000000..f36886d0a
--- /dev/null
+++ b/src/host/config.tests/hostcompiler/CMakeLists.txt
@@ -0,0 +1,11 @@
+# Copyright (C) 2023 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(arch LANGUAGES CXX)
+
+add_executable(host_compiler_test)
+set_property(TARGET host_compiler_test PROPERTY MACOSX_BUNDLE FALSE)
+target_sources(host_compiler_test PRIVATE main.cpp)
+target_compile_options(host_compiler_test PRIVATE -m32)
+target_link_options(host_compiler_test PRIVATE -m32)
diff --git a/src/host/config.tests/hostcompiler/main.cpp b/src/host/config.tests/hostcompiler/main.cpp
new file mode 100644
index 000000000..1676f7a26
--- /dev/null
+++ b/src/host/config.tests/hostcompiler/main.cpp
@@ -0,0 +1,9 @@
+// Copyright (C) 2018 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <stdio.h>
+int main()
+{
+   printf("This works\n");
+   return 0;
+}