From 341bc2a1308fee3eff27223da77fb0c512e3988b Mon Sep 17 00:00:00 2001
From: papychacal <papychacal@gmail.com>
Date: Thu, 18 Jan 2018 17:39:35 +0100
Subject: [PATCH] Added Tagfile generation and finding

---
 cmake/Modules/FindSFML.cmake | 4 ++++
 doc/doxyfile.in              | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmake/Modules/FindSFML.cmake b/cmake/Modules/FindSFML.cmake
index d2ec360be..3341177e5 100644
--- a/cmake/Modules/FindSFML.cmake
+++ b/cmake/Modules/FindSFML.cmake
@@ -78,6 +78,10 @@ find_path(SFML_INCLUDE_DIR SFML/Config.hpp
           PATH_SUFFIXES include
           PATHS ${FIND_SFML_PATHS})
 
+find_path(SFML_DOC_DIR SFML.tag
+          PATH_SUFFIXES SFML/doc share/SFML/doc
+          PATHS ${FIND_SFML_PATHS})
+
 # check the version number
 set(SFML_VERSION_OK TRUE)
 if(SFML_FIND_VERSION AND SFML_INCLUDE_DIR)
diff --git a/doc/doxyfile.in b/doc/doxyfile.in
index 9a44a6aa6..34cff3abb 100644
--- a/doc/doxyfile.in
+++ b/doc/doxyfile.in
@@ -2046,7 +2046,7 @@ TAGFILES               =
 # tag file that is based on the input files it reads. See section "Linking to
 # external documentation" for more information about the usage of tag files.
 
-GENERATE_TAGFILE       =
+GENERATE_TAGFILE       = @DOXYGEN_OUTPUT_DIR@/SFML.tag
 
 # If the ALLEXTERNALS tag is set to YES all external class will be listed in the
 # class index. If set to NO only the inherited external classes will be listed.