From 235cb3b7b08a027ebb97db2eee71bb820c5492e8 Mon Sep 17 00:00:00 2001
From: Amir Masoud Abdol <amir.abdol@qt.io>
Date: Fri, 2 Jun 2023 16:21:02 +0200
Subject: [PATCH] Show an error when a submodule is missing, or misspelled

Stop the configuration and show an error if one of the submodules is
missing, or misspelled in `-submodules` option.

Fixes: QTBUG-114133
Change-Id: I890d4f5f0614288a2be422f839e04a0086a58403
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Alexandru Croitor (OOO) <alexandru.croitor@qt.io>
(cherry picked from commit bb13b7dadf96707f441daed3f33fddcc7b84a844)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 CMakeLists.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fff3d0e..44969693 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,6 +52,15 @@ if(NOT QT_BUILD_SUBMODULES)
 endif()
 set(QT_BUILD_SUBMODULES "${QT_BUILD_SUBMODULES}" CACHE STRING "Submodules to build")
 
+foreach(module IN LISTS QT_BUILD_SUBMODULES)
+    if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${module}/CMakeLists.txt)
+        message(FATAL_ERROR
+            "Module '${module}' cannot be found. Please double-check the "
+            "spelling and try again. Or run `./init-repository` to get "
+            "the submodules.")
+    endif()
+endforeach()
+
 qt_internal_sort_module_dependencies("${QT_BUILD_SUBMODULES}" QT_BUILD_SUBMODULES)
 
 foreach(module IN LISTS QT_BUILD_SUBMODULES)