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# Various checks related to Boost
set(BOOST_USE_STATIC_LIBS OFF)
set(BOOST_USE_MULTITHREADED OFF)
set(BOOST_USE_STATIC_RUNTIME OFF)
if (HAVE_LIBCPP)
# we need a more recent boost for libc++
set(BOOST_MINVERSION 1.61.0)
else ()
set(BOOST_MINVERSION 1.57.0)
endif ()
set(BOOST_NO_BOOST_CMAKE ON)
unset(Boost_INCLUDE_DIR CACHE)
# we might have boost in tree, so provide a hint and try again
set(BOOST_INCLUDEDIR "${PROJECT_SOURCE_DIR}/include")
find_package(Boost ${BOOST_MINVERSION} QUIET)
if(NOT Boost_FOUND)
# otherwise check for Boost installed on the system
unset(BOOST_INCLUDEDIR)
find_package(Boost ${BOOST_MINVERSION} QUIET)
if(NOT Boost_FOUND)
message(FATAL_ERROR "Boost ${BOOST_MINVERSION} or later not found. Either install system packages if available, extract Boost headers to ${CMAKE_SOURCE_DIR}/include, or set the CMake BOOST_ROOT variable.")
endif()
endif()
message(STATUS "Boost version: ${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}")
# Boost 1.62 has a bug that we've patched around, check if it is required
if (Boost_VERSION EQUAL 106200)
set (CMAKE_REQUIRED_INCLUDES ${BOOST_INCLUDEDIR} "${PROJECT_SOURCE_DIR}/include")
set (BOOST_REV_TEST "
#include <boost/graph/graph_concepts.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/reverse_graph.hpp>
#include <boost/concept/assert.hpp>
int main(int,char*[])
{
using namespace boost;
// Check const reverse_graph
{
typedef adjacency_list< vecS, vecS, bidirectionalS,
property<vertex_color_t, int>,
property<edge_weight_t, int>,
property<graph_name_t, std::string>
> AdjList;
typedef reverse_graph<AdjList> Graph;
BOOST_CONCEPT_ASSERT(( BidirectionalGraphConcept<Graph> ));
}
return 0;
}
")
CHECK_CXX_SOURCE_COMPILES("${BOOST_REV_TEST}" BOOST_REVGRAPH_OK)
if (NOT BOOST_REVGRAPH_OK)
message(STATUS "trying patched")
CHECK_CXX_SOURCE_COMPILES("
#include <boost-patched/graph/reverse_graph.hpp>
${BOOST_REV_TEST}" BOOST_REVGRAPH_PATCH)
endif()
if (NOT BOOST_REVGRAPH_OK AND NOT BOOST_REVGRAPH_PATCH)
message(FATAL_ERROR "Something is wrong with this copy of boost::reverse_graph")
endif()
unset (CMAKE_REQUIRED_INCLUDES)
else ()
unset(BOOST_REVGRAPH_OK CACHE)
unset(BOOST_REVGRAPH_PATCH CACHE)
endif () # Boost 1.62.0
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