From 816e5752fb29bf214437e2371825b2fe9d07d7d3 Mon Sep 17 00:00:00 2001
From: Alexandre Duret-Lutz <adl@lrde.epita.fr>
Date: Fri, 10 Aug 2018 20:56:01 +0200
Subject: [PATCH] fix --disable-doxygen and --disable-c++17

Reported by Yuri Victorovich.

* configure.ac (enable_doxygen, enable_c++17): Use $enableval instead
of "yes".
* THANKS: Add Yuri.
---
 THANKS       | 1 +
 configure.ac | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/THANKS b/THANKS
index 83b50cf4d..3e1e9ab7c 100644
--- a/THANKS
+++ b/THANKS
@@ -42,3 +42,4 @@ Tomáš Babiak
 Valentin Iovene
 Vitus Lam
 Yann Thierry-Mieg
+Yuri Victorovich
diff --git a/configure.ac b/configure.ac
index 2edae69bc..66563e4f6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,12 +51,12 @@ AM_SILENT_RULES([no])
 AC_ARG_ENABLE([c++17],
               [AC_HELP_STRING([--enable-c++17],
                               [Compile in C++17 mode.])],
-              [enable_17=yes], [enable_17=no])
+              [enable_17=$enableval], [enable_17=no])
 
 AC_ARG_ENABLE([doxygen],
               [AC_HELP_STRING([--enable-doxygen]),
   [enable generation of Doxygen documentation (requires Doxygen)])],
-  [enable_doxygen=yes], [enable_doxygen=no])
+  [enable_doxygen=$enableval], [enable_doxygen=no])
 AM_CONDITIONAL([ENABLE_DOXYGEN], [test "x${enable_doxygen:-no}" = xyes])
 
 # Option to indicate the maximal number of acceptance marks