Rework as esp-idf component

CMakeLists.txt

@@ -3,6 +3,8 @@
 # Distributed under the Boost Software License, Version 1.0.
 # https://www.boost.org/LICENSE_1_0.txt
 
+if(NOT DEFINED IDF_TARGET)
+
 cmake_minimum_required(VERSION 3.5...3.16)
 
 project(boost_algorithm VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
@@ -39,3 +41,33 @@ if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
 endif()
 
+else()
+
+FILE(GLOB_RECURSE headers include/*.h include/*.hpp)
+
+idf_component_register(
+    SRCS
+        ${headers}
+    INCLUDE_DIRS
+        include
+    REQUIRES
+        boost_array
+        boost_assert
+        boost_bind
+        boost_concept_check
+        boost_config
+        boost_core
+        boost_exception
+        boost_function
+        boost_iterator
+        boost_mpl
+        boost_range
+        boost_regex
+        boost_static_assert
+        boost_throw_exception
+        boost_tuple
+        boost_type_traits
+        boost_unordered
+)
+
+endif()

doc/Jamfile.v2

@@ -16,18 +16,18 @@ using quickbook ;
 using doxygen ;
 using boostbook ;
 
-doxygen autodoc
+doxygen autodoc 
-    :
+    : 
-        [ glob ../../../boost/algorithm/*.hpp
+        [ glob ../../../boost/algorithm/*.hpp 
                ../../../boost/algorithm/searching/*.hpp
                ../../../boost/algorithm/cxx11/*.hpp
                ../../../boost/algorithm/cxx14/*.hpp
                ../../../boost/algorithm/cxx17/*.hpp
         ]
-    :
+    : 
        <doxygen:param>"PREDEFINED=\"BOOST_ALGORITHM_DOXYGEN=1\""
        <doxygen:param>WARNINGS=YES # Default NO, but useful to see warnings, especially in a logfile.
-    ;
+    ; 
 
 
 xml algorithm : algorithm.qbk ;
@@ -36,7 +36,7 @@ boostbook standalone
   :
     algorithm
   :
-    <dependency>autodoc
+    <dependency>autodoc 
     <xsl:param>boost.root=../../../..
     <xsl:param>"boost.doxygen.reftitle=Boost.Algorithms C++ Reference"
     <xsl:param>chapter.autolabel=0

include/boost/algorithm/gather.hpp

@@ -1,4 +1,4 @@
-/*
+/* 
     Copyright 2008 Adobe Systems Incorporated
 
    Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -84,7 +84,7 @@ namespace boost { namespace algorithm {
 template <
     typename BidirectionalIterator,  // models BidirectionalIterator
     typename Pred>                   // models UnaryPredicate
-std::pair<BidirectionalIterator, BidirectionalIterator> gather
+std::pair<BidirectionalIterator, BidirectionalIterator> gather 
         ( BidirectionalIterator first, BidirectionalIterator last, BidirectionalIterator pivot, Pred pred )
 {
 //  The first call partitions everything up to (but not including) the pivot element,
@@ -106,11 +106,11 @@ template <
     typename BidirectionalRange,    //
     typename Pred>                  // Pred models UnaryPredicate
 std::pair<
-    typename boost::range_iterator<BidirectionalRange>::type,
+    typename boost::range_iterator<const BidirectionalRange>::type,
-    typename boost::range_iterator<BidirectionalRange>::type>
+    typename boost::range_iterator<const BidirectionalRange>::type>
 gather (
-    BidirectionalRange &range,
+    const BidirectionalRange &range,
-    typename boost::range_iterator<BidirectionalRange>::type pivot,
+    typename boost::range_iterator<const BidirectionalRange>::type pivot,
     Pred pred )
 {
     return boost::algorithm::gather ( boost::begin ( range ), boost::end ( range ), pivot, pred );