From 59fe5c38b88bddbd71507e59abe9b563a5958900 Mon Sep 17 00:00:00 2001
From: Duncan Ogilvie <mr.exodia.tpodt@gmail.com>
Date: Sat, 6 Jul 2024 14:43:08 +0200
Subject: [PATCH] Consider PROJECT_OPTION to be a valid condition

---
 src/project_parser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/project_parser.cpp b/src/project_parser.cpp
index 5ea8295..954a58f 100644
--- a/src/project_parser.cpp
+++ b/src/project_parser.cpp
@@ -879,7 +879,7 @@ bool Project::cmake_minimum_version(int major, int minor) const {
 bool Project::is_condition_name(const std::string &name) {
     auto is_named_condition = true;
     for (auto ch : name) {
-        if (!(ch == '-' || (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z'))) {
+        if (!std::isalnum(ch) && ch != '-' && ch != '_') {
             return false;
         }
     }