Hello,

I've installed boost under C:\env\mingw64 so I basically have the
following content:

- C:\env\mingw64\include\boost-1_62\boost\*
- C:\env\mingw64\lib\libboost_libname-mgw62-1_62.dll(.a)

I've also set the following environment variables:

- BOOST_INCLUDEDIR=C:\env\mingw64\include\boost-1_62
- BOOST_LIBRARYDIR=C:\env\mingw64\lib
- BOOST_ROOT=C:\env\mingw64

The following CMakeLists could not find boost:

cmake_minimum_required(VERSION 3.5)
project(boosttest)
find_package(Boost REQUIRED COMPONENTS system)

running cmake -G"MinGW Makefiles" -DBoost_DEBUG=On ends with this:

-- The C compiler identification is GNU 6.2.0
-- The CXX compiler identification is GNU 6.2.0
-- Check for working C compiler: C:/mingw64/bin/gcc.exe
-- Check for working C compiler: C:/mingw64/bin/gcc.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/mingw64/bin/g++.exe
-- Check for working CXX compiler: C:/mingw64/bin/g++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:946 ]
_boost_TEST_VERSIONS =
1.61.0;1.61;1.60.0;1.60;1.59.0;1.59;1.58.0;1.58;1.57.0;1.57;1.56.0;1.56;1.55.0;1.55;1.54.0;1.54;1.53.0;1.53;1.52.0;1.52;1.51.0;1.51;1.50.0;1.50;1.49.0;1.49;1.48.0;1.48;1.47.0;1.47;1.46.1;1.46.0;1.46;1.45.0;1.45;1.44.0;1.44;1.43.0;1.43;1.42.0;1.42;1.41.0;1.41;1.40.0;1.40;1.39.0;1.39;1.38.0;1.38;1.37.0;1.37;1.36.1;1.36.0;1.36;1.35.1;1.35.0;1.35;1.34.1;1.34.0;1.34;1.33.1;1.33.0;1.33
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:948 ]
Boost_USE_MULTITHREADED = TRUE
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:950 ]
Boost_USE_STATIC_LIBS =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:952 ]
Boost_USE_STATIC_RUNTIME =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:954 ]
Boost_ADDITIONAL_VERSIONS =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:956 ]
Boost_NO_SYSTEM_PATHS =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1024 ] Declared as
CMake or Environmental Variables:
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1026 ]
BOOST_ROOT =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1028 ]
BOOST_INCLUDEDIR =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1030 ]
BOOST_LIBRARYDIR =
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1032 ]
_boost_TEST_VERSIONS =
1.61.0;1.61;1.60.0;1.60;1.59.0;1.59;1.58.0;1.58;1.57.0;1.57;1.56.0;1.56;1.55.0;1.55;1.54.0;1.54;1.53.0;1.53;1.52.0;1.52;1.51.0;1.51;1.50.0;1.50;1.49.0;1.49;1.48.0;1.48;1.47.0;1.47;1.46.1;1.46.0;1.46;1.45.0;1.45;1.44.0;1.44;1.43.0;1.43;1.42.0;1.42;1.41.0;1.41;1.40.0;1.40;1.39.0;1.39;1.38.0;1.38;1.37.0;1.37;1.36.1;1.36.0;1.36;1.35.1;1.35.0;1.35;1.34.1;1.34.0;1.34;1.33.1;1.33.0;1.33
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1101 ] Include
debugging info:
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1103 ]
_boost_INCLUDE_SEARCH_DIRS =
C:/env/mingw64/include/boost-1_62;C:/env/mingw64/include;C:/env/mingw64;PATHS;C:/boost/include;C:/boost;/sw/local/include
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1105 ]
_boost_PATH_SUFFIXES =
boost-1_61_0;boost_1_61_0;boost/boost-1_61_0;boost/boost_1_61_0;boost-1_61;boost_1_61;boost/boost-1_61;boost/boost_1_61;boost-1_60_0;boost_1_60_0;boost/boost-1_60_0;boost/boost_1_60_0;boost-1_60;boost_1_60;boost/boost-1_60;boost/boost_1_60;boost-1_59_0;boost_1_59_0;boost/boost-1_59_0;boost/boost_1_59_0;boost-1_59;boost_1_59;boost/boost-1_59;boost/boost_1_59;boost-1_58_0;boost_1_58_0;boost/boost-1_58_0;boost/boost_1_58_0;boost-1_58;boost_1_58;boost/boost-1_58;boost/boost_1_58;boost-1_57_0;boost_1_57_0;boost/boost-1_57_0;boost/boost_1_57_0;boost-1_57;boost_1_57;boost/boost-1_57;boost/boost_1_57;boost-1_56_0;boost_1_56_0;boost/boost-1_56_0;boost/boost_1_56_0;boost-1_56;boost_1_56;boost/boost-1_56;boost/boost_1_56;boost-1_55_0;boost_1_55_0;boost/boost-1_55_0;boost/boost_1_55_0;boost-1_55;boost_1_55;boost/boost-1_55;boost/boost_1_55;boost-1_54_0;boost_1_54_0;boost/boost-1_54_0;boost/boost_1_54_0;boost-1_54;boost_1_54;boost/boost-1_54;boost/boost_1_54;boost-1_53_0;boost_1_53_0;boost/boost-
 
1_53_0;boost/boost_1_53_0;boost-1_53;boost_1_53;boost/boost-1_53;boost/boost_1_53;boost-1_52_0;boost_1_52_0;boost/boost-1_52_0;boost/boost_1_52_0;boost-1_52;boost_1_52;boost/boost-1_52;boost/boost_1_52;boost-1_51_0;boost_1_51_0;boost/boost-1_51_0;boost/boost_1_51_0;boost-1_51;boost_1_51;boost/boost-1_51;boost/boost_1_51;boost-1_50_0;boost_1_50_0;boost/boost-1_50_0;boost/boost_1_50_0;boost-1_50;boost_1_50;boost/boost-1_50;boost/boost_1_50;boost-1_49_0;boost_1_49_0;boost/boost-1_49_0;boost/boost_1_49_0;boost-1_49;boost_1_49;boost/boost-1_49;boost/boost_1_49;boost-1_48_0;boost_1_48_0;boost/boost-1_48_0;boost/boost_1_48_0;boost-1_48;boost_1_48;boost/boost-1_48;boost/boost_1_48;boost-1_47_0;boost_1_47_0;boost/boost-1_47_0;boost/boost_1_47_0;boost-1_47;boost_1_47;boost/boost-1_47;boost/boost_1_47;boost-1_46_1;boost_1_46_1;boost/boost-1_46_1;boost/boost_1_46_1;boost-1_46_0;boost_1_46_0;boost/boost-1_46_0;boost/boost_1_46_0;boost-1_46;boost_1_46;boost/boost-1_46;boost/boost_1_46;boost-1_45_
 
0;boost_1_45_0;boost/boost-1_45_0;boost/boost_1_45_0;boost-1_45;boost_1_45;boost/boost-1_45;boost/boost_1_45;boost-1_44_0;boost_1_44_0;boost/boost-1_44_0;boost/boost_1_44_0;boost-1_44;boost_1_44;boost/boost-1_44;boost/boost_1_44;boost-1_43_0;boost_1_43_0;boost/boost-1_43_0;boost/boost_1_43_0;boost-1_43;boost_1_43;boost/boost-1_43;boost/boost_1_43;boost-1_42_0;boost_1_42_0;boost/boost-1_42_0;boost/boost_1_42_0;boost-1_42;boost_1_42;boost/boost-1_42;boost/boost_1_42;boost-1_41_0;boost_1_41_0;boost/boost-1_41_0;boost/boost_1_41_0;boost-1_41;boost_1_41;boost/boost-1_41;boost/boost_1_41;boost-1_40_0;boost_1_40_0;boost/boost-1_40_0;boost/boost_1_40_0;boost-1_40;boost_1_40;boost/boost-1_40;boost/boost_1_40;boost-1_39_0;boost_1_39_0;boost/boost-1_39_0;boost/boost_1_39_0;boost-1_39;boost_1_39;boost/boost-1_39;boost/boost_1_39;boost-1_38_0;boost_1_38_0;boost/boost-1_38_0;boost/boost_1_38_0;boost-1_38;boost_1_38;boost/boost-1_38;boost/boost_1_38;boost-1_37_0;boost_1_37_0;boost/boost-1_37_0;boo
 
st/boost_1_37_0;boost-1_37;boost_1_37;boost/boost-1_37;boost/boost_1_37;boost-1_36_1;boost_1_36_1;boost/boost-1_36_1;boost/boost_1_36_1;boost-1_36_0;boost_1_36_0;boost/boost-1_36_0;boost/boost_1_36_0;boost-1_36;boost_1_36;boost/boost-1_36;boost/boost_1_36;boost-1_35_1;boost_1_35_1;boost/boost-1_35_1;boost/boost_1_35_1;boost-1_35_0;boost_1_35_0;boost/boost-1_35_0;boost/boost_1_35_0;boost-1_35;boost_1_35;boost/boost-1_35;boost/boost_1_35;boost-1_34_1;boost_1_34_1;boost/boost-1_34_1;boost/boost_1_34_1;boost-1_34_0;boost_1_34_0;boost/boost-1_34_0;boost/boost_1_34_0;boost-1_34;boost_1_34;boost/boost-1_34;boost/boost_1_34;boost-1_33_1;boost_1_33_1;boost/boost-1_33_1;boost/boost_1_33_1;boost-1_33_0;boost_1_33_0;boost/boost-1_33_0;boost/boost_1_33_0;boost-1_33;boost_1_33;boost/boost-1_33;boost/boost_1_33
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1125 ] location of
version.hpp: C:/env/mingw64/include/boost-1_62/boost/version.hpp
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1149 ] version.hpp
reveals boost 1.62.0
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1235 ] guessed
_boost_COMPILER = -mgw62
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1245 ]
_boost_MULTITHREADED = -mt
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1288 ]
_boost_RELEASE_ABI_TAG = -
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1290 ]
_boost_DEBUG_ABI_TAG = -d
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1344 ]
_boost_LIBRARY_SEARCH_DIRS_RELEASE =
C:/env/mingw64/lib;C:/env/mingw64/lib;C:/env/mingw64/stage/lib;C:/env/mingw64/include/boost-1_62/lib;C:/env/mingw64/include/boost-1_62/../lib;C:/env/mingw64/include/boost-1_62/stage/lib;PATHS;C:/boost/lib;C:/boost;/sw/local/lib_boost_LIBRARY_SEARCH_DIRS_DEBUG
  = 
C:/env/mingw64/lib;C:/env/mingw64/lib;C:/env/mingw64/stage/lib;C:/env/mingw64/include/boost-1_62/lib;C:/env/mingw64/include/boost-1_62/../lib;C:/env/mingw64/include/boost-1_62/stage/lib;PATHS;C:/boost/lib;C:/boost;/sw/local/lib
CMake Warning at C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:743 (message):
  Imported targets not available for Boost version 106200
Call Stack (most recent call first):
  C:/Program Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:842
(_Boost_COMPONENT_DEPENDENCIES)
  C:/Program Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1395
(_Boost_MISSING_DEPENDENCIES)
  CMakeLists.txt:3 (find_package)


-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1483 ] Searching
for SYSTEM_LIBRARY_RELEASE:
boost_system-mgw62-mt-1_62;boost_system-mgw62-mt;boost_system-mt-1_62;boost_system-mt;boost_system
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1525 ] Searching
for SYSTEM_LIBRARY_DEBUG:
boost_system-mgw62-mt-d-1_62;boost_system-mgw62-mt-d;boost_system-mt-d-1_62;boost_system-mt-d;boost_system-mt;boost_system
-- [ C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1595 ] Boost_FOUND
= 1
CMake Error at C:/Program
Files/CMake/share/cmake-3.6/Modules/FindBoost.cmake:1753 (message):
  Unable to find the requested Boost libraries.

  Boost version: 1.62.0

  Boost include path: C:/env/mingw64/include/boost-1_62

  Could not find the following Boost libraries:

          boost_system

  No Boost libraries were found.  You may need to set BOOST_LIBRARYDIR to the
  directory containing Boost libraries or BOOST_ROOT to the location of
  Boost.
Call Stack (most recent call first):
  CMakeLists.txt:3 (find_package)


-- Configuring incomplete, errors occurred!
See also "C:/Users/S0077863/Desktop/boost/build/CMakeFiles/CMakeOutput.log".

What's wrong? Do I need another variable?


-- 
Demelier David
-- 

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