From 23c7c06e432ef92d2f34705d39fac3f3081d7cf6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20M=C3=B6ller?= <drag-on@gmx.de>
Date: Mon, 6 Nov 2023 19:46:30 +0100
Subject: [PATCH] Fix potentially invalid macro name in generated version
 header

The generated name could be invalid if the target name contains
characters that are not legal macro identifiers. This commit changes
replaces all illegal characters with the underscore "_".
---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b42200..6e25a0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,6 +81,7 @@ function(packageProject)
       endif()
 
       string(TOUPPER ${PROJECT_NAME} UPPERCASE_PROJECT_NAME)
+      string(REGEX REPLACE [^a-zA-Z0-9] _ UPPERCASE_PROJECT_NAME ${UPPERCASE_PROJECT_NAME})
       configure_file(
         ${PACKAGE_PROJECT_ROOT_PATH}/version.h.in
         ${PROJECT_VERSION_INCLUDE_DIR}/${PROJECT_VERSION_HEADER} @ONLY