From fa84edb93c85f7709fc53abf9c6daae5d1bb3b28 Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Wed, 17 Jun 2020 18:27:00 +0800
Subject: [PATCH] build: don't warn when doxygen isn't found

Doxygen isn't so important that we need to warn when it is missing. I'd
assume it might even be missing more often than not for most builds.
---
 configure.ac | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 474d8a7919..12bece6903 100644
--- a/configure.ac
+++ b/configure.ac
@@ -111,9 +111,6 @@ AC_PATH_TOOL(READELF, readelf)
 AC_PATH_TOOL(CPPFILT, c++filt)
 AC_PATH_TOOL(OBJCOPY, objcopy)
 AC_PATH_PROG(DOXYGEN, doxygen)
-if test -z "$DOXYGEN"; then
-   AC_MSG_WARN([Doxygen not found])
-fi
 AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
 
 AC_ARG_VAR(PYTHONPATH, Augments the default search path for python module files)