[CMake] Issues with FindBoost / ${Boost_LIBRARIES}

[Arnaud Gelas]

Eike,

I have changed the version from 1.46 to 1.46.0 and removed the
link_directories() command, then run the command as follows:

$ cmake -DBoost_DEBUG=On ~/GITROOT/BGLCMakeQuestion
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:468 ] Boost not in cache
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:471 ]
_boost_TEST_VERSIONS = 1.46.1;1.46.0;1.46
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:473 ]
Boost_USE_MULTITHREADED = TRUE
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:475 ]
Boost_USE_STATIC_LIBS =
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:477 ]
Boost_USE_STATIC_RUNTIME =
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:479 ]
Boost_ADDITIONAL_VERSIONS =
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:481 ]
Boost_NO_SYSTEM_PATHS =
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:544 ] Declared as CMake
or Environmental Variables:
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:546 ]   BOOST_ROOT =
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:548 ]   BOOST_INCLUDEDIR
=
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:550 ]   BOOST_LIBRARYDIR
=
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:552 ]
_boost_TEST_VERSIONS = 1.46.1;1.46.0;1.46
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:605 ] Include debugging
info:
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:607 ]
_boost_INCLUDE_SEARCH_DIRS =
C:/boost/include;C:/boost;/boost/include;/boost;/sw/local/include
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:609 ]
_boost_PATH_SUFFIXES =
boost-1_46_1;boost_1_46_1;boost-1_46_0;boost_1_46_0;boost-1_46;boost_1_46
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:634 ] location of
version.hpp: /usr/include/boost/version.hpp
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:653 ] version.hpp reveals
boost 1.46.1
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:744 ] guessed
_boost_COMPILER = -gcc46
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:754 ]
_boost_MULTITHREADED = -mt
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:797 ]
_boost_RELEASE_ABI_TAG = -
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:799 ]
_boost_DEBUG_ABI_TAG = -d
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:842 ]
_boost_LIBRARY_SEARCH_DIRS =
/usr/include/lib;/usr/include/../lib;/usr/include/stage/lib;C:/boost/lib;C:/boost;/boost/boost_1_46_1/lib;/boost/boost_1_46/lib;/boost/lib;/boost;/sw/local/lib
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:913 ] Searching for
GRAPH_LIBRARY_RELEASE:
boost_graph-gcc46-mt-1_46_1;boost_graph-gcc46-mt;boost_graph-mt-1_46_1;boost_graph-mt;boost_graph
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:945 ] Searching for
GRAPH_LIBRARY_DEBUG:
boost_graph-gcc46-mt-d-1_46_1;boost_graph-gcc46-mt-d;boost_graph-mt-d-1_46_1;boost_graph-mt-d;boost_graph-mt;boost_graph
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:913 ] Searching for
REGEX_LIBRARY_RELEASE:
boost_regex-gcc46-mt-1_46_1;boost_regex-gcc46-mt;boost_regex-mt-1_46_1;boost_regex-mt;boost_regex
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:945 ] Searching for
REGEX_LIBRARY_DEBUG:
boost_regex-gcc46-mt-d-1_46_1;boost_regex-gcc46-mt-d;boost_regex-mt-d-1_46_1;boost_regex-mt-d;boost_regex-mt;boost_regex
-- [ /usr/share/cmake-2.8/Modules/FindBoost.cmake:1055 ] Boost_FOUND = TRUE
-- Boost version: 1.46.1
-- Found the following Boost libraries:
--   graph
--   regex
-- Configuring done
-- Generating done
-- Build files have been written to:
/home/ajg23/GITROOT/BGLCMakeQuestion/build

Sorry, I still don't get it...


On Wed, Feb 1, 2012 at 3:46 AM, Rolf Eike Beer <eike at sf-mail.de> wrote:

> > Hi all,
> >
> > I have been trying to compile a very simple example with cmake (2.8.5)
> and
> > boost, and I can't get what I am doing wrong...
> >
> > CMakeLists.txt
> > ----------------------
> >
> > cmake_minimum_required(VERSION 2.6)
> >
> > project(ReadGraph)
> >
> > find_package(Boost 1.46 COMPONENTS graph regex )
>
> Maybe you need to add 1.46.0 here?
>
> > link_directories(${Boost_LIBRARY_DIRS})
>
> This is wrong. You don't need link_directories().
>
> > include_directories(BEFORE ${Boost_INCLUDE_DIRS})
> >
> > add_executable(ReadGraph ReadGraph.cpp)
> > target_link_libraries(ReadGraph ${Boost_LIBRARIES} )
> > # target_link_libraries(ReadGraph boost_graph boost_regex )
>
> Please use a clean build directory and add "-D Boost_DEBUG=On" to your
> command line. Then look at the configuration output. If you do not find
> what's going wrong paste it here.
>
> Eike
>
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