[CMake] Not finding boost

[Dave Yost]

> On 2015-06-01, at 2:28 PM, Dave Yost <Dave at Yost.com> wrote:
> 
> The boost I want is not in a normal location, but:
> Boost's include dir is first in my CPATH.
> Boost's lib dir is first in my LD_LIBRARY_PATH.
> 
> Why doesn't cmake 3.2.2 find it?
> 
> I'm not being picky about the version.

In other words, why should I have to set BOOST_ROOT? It should be obvious where a boost is, even obvious where the one I want is. What am I missing?

0 Mon 19:13:25 yost DaveBook ~/p/c++/cmake/findboost/build
243 Z% cat ../CMakeLists.txt
cmake_minimum_required (VERSION 3.2.2 FATAL_ERROR)

project(findBoost CXX)

find_package (Boost 
              COMPONENTS program_options
              REQUIRED)

if (NOT Boost_FOUND)
  message (FATAL_ERROR "Could not find boost! ${BOOST_VERSION}")
endif ()

message ("  Boost_LIBRARY_DIR_DEBUG is ${Boost_LIBRARY_DIR_DEBUG}")
0 Mon 19:13:34 yost DaveBook ~/p/c++/cmake/findboost/build
244 Z% cmake --version                            
cmake version 3.2.20150504-ga4a12

CMake suite maintained and supported by Kitware (kitware.com/cmake).
0 Mon 19:13:45 yost DaveBook ~/p/c++/cmake/findboost/build
245 Z% ls -l /usr/local/boost/1.55.0..llvm/include
total 0
drwxrwxr-x  221 yost  admin  7514 Mar  8 22:19 boost
0 Mon 19:13:51 yost DaveBook ~/p/c++/cmake/findboost/build
246 Z% CPATH=/usr/local/boost/1.55.0..llvm/include
0 Mon 19:13:53 yost DaveBook ~/p/c++/cmake/findboost/build
247 Z% ls -l /usr/local/boost/1.55.0..llvm/lib/libboost_program_options.*
-rw-rw-r--  1 yost  admin  938312 Mar  8 22:19 /usr/local/boost/1.55.0..llvm/lib/libboost_program_options.a
-rwxrwxr-x  1 yost  admin  444236 Mar  8 22:18 /usr/local/boost/1.55.0..llvm/lib/libboost_program_options.dylib
0 Mon 19:14:18 yost DaveBook ~/p/c++/cmake/findboost/build
248 Z% LD_LIBRARY_PATH=/usr/local/boost/1.55.0..llvm/lib 
0 Mon 19:14:22 yost DaveBook ~/p/c++/cmake/findboost/build
249 Z% DYLD_LIBRARY_PATH=/usr/local/boost/1.55.0..llvm/lib
0 Mon 19:14:25 yost DaveBook ~/p/c++/cmake/findboost/build
250 Z% cmake ..                                           
CMake Error at /Applications/CMake.app/Contents/share/cmake-3.2/Modules/FindBoost.cmake:1243 (message):
  Unable to find the requested Boost libraries.

  Unable to find the Boost header files.  Please set BOOST_ROOT to the root
  directory containing Boost or BOOST_INCLUDEDIR to the directory containing
  Boost's headers.
Call Stack (most recent call first):
  CMakeLists.txt:5 (find_package)


CMake Error at CMakeLists.txt:10 (message):
  Could not find boost!


-- Configuring incomplete, errors occurred!
See also "/Users/yost/p/c++/cmake/findboost/build/CMakeFiles/CMakeOutput.log".
1 Mon 19:14:46 yost DaveBook ~/p/c++/cmake/findboost/build
251 Z% 

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