From da889c88f9744b343865d482876cbe3e61b01454 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antonio=20S=C3=A1nchez?= <cantonios@google.com>
Date: Fri, 24 Oct 2025 19:54:27 +0000
Subject: [PATCH] Clarify range spanning major versions only works with 3.4.1.

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### Description
<!--Please explain your changes.-->

Clarify range spanning major versions only works with 3.4.1.

### Reference issue
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Fixes #2994.

Closes #2994

See merge request libeigen/eigen!2042

(cherry picked from commit 1a5eecd45e7ee289c555a8759658bc387afb8445)
---
 doc/TopicCMakeGuide.dox | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/TopicCMakeGuide.dox b/doc/TopicCMakeGuide.dox
index ebbc4a840..dc0d7068c 100644
--- a/doc/TopicCMakeGuide.dox
+++ b/doc/TopicCMakeGuide.dox
@@ -36,9 +36,9 @@ option in `find_package`:
 ```
 find_package(Eigen3 3.4 REQUIRED NO_MODULE)  # Restricts to 3.4.z
 ```
-or to support a range of versions:
+Starting with Eigen 3.4.1, we also support a range spanning major versions:
 ```
-find_package(Eigen3 3.4...5 REQUIRED NO_MODULE)  # Any version >=3.4.0 but <6.0.0.
+find_package(Eigen3 3.4...5 REQUIRED NO_MODULE)  # Any version >=3.4.1 but <6.0.0.
 ```
 
 Do not forget to set the <a href="https://cmake.org/cmake/help/v3.7/variable/CMAKE_PREFIX_PATH.html">\c CMAKE_PREFIX_PATH </a> variable if Eigen is not installed in a default location or if you want to pick a specific version. For instance: