From 7e9f019a497d94fe38b51d281cf173d366d99d86 Mon Sep 17 00:00:00 2001
From: Tsuda Kageyu <tsuda.kageyu@gmail.com>
Date: Fri, 9 Jun 2017 11:31:22 +0900
Subject: [PATCH] Remove optional dependencies on Boost.

Standard smart pointers are now common among the latest compilers.
---
 ConfigureChecks.cmake      | 12 ------------
 config.h.cmake             |  1 -
 taglib/toolkit/tsmartptr.h |  9 +--------
 3 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index f5825c3f..0938d1d0 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -122,18 +122,6 @@ check_cxx_source_compiles("
   }
 " HAVE_STD_SMART_PTR)
 
-if(NOT HAVE_STD_SMART_PTR)
-  check_cxx_source_compiles("
-    #include <boost/shared_ptr.hpp>
-    #include <boost/scoped_ptr.hpp>
-    int main() {
-      boost::shared_ptr<int> x;
-      boost::scoped_ptr<int> y;
-      return 0;
-    }
-  " HAVE_BOOST_SMART_PTR)
-endif()
-
 # Determine which kind of byte swap functions your compiler supports.
 
 check_cxx_source_compiles("
diff --git a/config.h.cmake b/config.h.cmake
index 56b0ec4e..c1d4002b 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -24,7 +24,6 @@
 
 /* Defined if your compiler supports shared_ptr */
 #cmakedefine   HAVE_STD_SMART_PTR 1
-#cmakedefine   HAVE_BOOST_SMART_PTR 1
 
 /* Defined if your compiler supports some safer version of vsprintf */
 #cmakedefine   HAVE_VSNPRINTF 1
diff --git a/taglib/toolkit/tsmartptr.h b/taglib/toolkit/tsmartptr.h
index 6cd20f3b..cf1bac4b 100644
--- a/taglib/toolkit/tsmartptr.h
+++ b/taglib/toolkit/tsmartptr.h
@@ -43,14 +43,7 @@
 # define SHARED_PTR std::shared_ptr
 # define SCOPED_PTR std::unique_ptr
 
-#elif defined(HAVE_BOOST_SMART_PTR)
-
-# include <boost/shared_ptr.hpp>
-# include <boost/scoped_ptr.hpp>
-# define SHARED_PTR boost::shared_ptr
-# define SCOPED_PTR boost::scoped_ptr
-
-#else // !HAVE_STD_SMART_PTR && !HAVE_BOOST_SMART_PTR
+#else // !HAVE_STD_SMART_PTR
 
 # include <algorithm>
 # include <trefcounter.h>