From fc783b9c50e41c865d714d31906e29f9dfef5703 Mon Sep 17 00:00:00 2001
From: Jan Henrik Weinstock <jan@mwa.re>
Date: Mon, 18 Dec 2023 17:40:25 +0100
Subject: [PATCH] Do not fail when installing non-existent doc files (fixes #66)

---
 docs/CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git docs/CMakeLists.txt docs/CMakeLists.txt
index 5156b342..80f39bb7 100644
--- docs/CMakeLists.txt
+++ docs/CMakeLists.txt
@@ -48,7 +48,8 @@ foreach (DOC_FILE ${DOC_FILES})
   get_filename_component (DOC_INSTALL_PATH ${DOC_FILE} PATH)
   install (FILES ${DOC_FILE}
            DESTINATION ${CMAKE_INSTALL_DOCDIR}/${DOC_INSTALL_PATH}
-           COMPONENT doc)
+           COMPONENT doc
+           OPTIONAL)
 endforeach (DOC_FILE ${DOC_FILES})
 
 if (BUILD_SOURCE_DOCUMENTATION)