[CMake] Boost on Windows

[Curtis Rueden]

>
> define BOOST_ROOT and point it at the root install location for boost. I
> had the same problem, that fixed it. I only had to do that on windows.
>

Thanks Christopher, but I am aware of that fix. Actually, that's what my
hack does -- it uses CMake to set BOOST_ROOT programmatically. What I'm
getting at is that there is no reason FindBoost shouldn't be able to
successfully find Boost with a vanilla BoostPro install on Windows using
"find_package(Boost COMPONENTS thread REQUIRE)" (or whatever) when it can
successfully do so with just "find_package(Boost)" with no arguments.

-Curtis

On Tue, Jun 23, 2009 at 3:44 PM, Christopher Harvey
<chris at basementcode.com>wrote:

> define BOOST_ROOT and point it at the root install location for boost. I
> had the same problem, that fixed it. I only had to do that on windows.
>
> Curtis Rueden wrote:
> > Hi everyone,
> >
> > I am using CMake to build some code cross-platform. This code requires
> > Boost Thread to compile. I am having several problems with FindBoost
> > on Windows.
> >
> > First, I installed Boost using BoostPro's precompiled binaries at
> > http://www.boostpro.com/download.
> >
> > Then I tried the following CMakeLists.txt file:
> >
> > ----------
> > # Simple CMake build file for testing FindBoost. Fails on Windows with
> > # Boost binaries from BoostPro computing (http://www.boostpro.com/).
> >
> > cmake_minimum_required(VERSION 2.6)
> >
> > project(boostFail1)
> >
> > message(STATUS "-- Boost:")
> > set(Boost_USE_STATIC_LIBS OFF)
> > set(Boost_USE_MULTITHREAD ON)
> >
> > find_package(Boost COMPONENTS thread REQUIRED)
> >
> > message(STATUS "Boost_INCLUDE_DIR    : ${Boost_INCLUDE_DIR}")
> > message(STATUS "Boost_THREAD_LIBRARY : ${Boost_THREAD_LIBRARY}")
> > ----------
> >
> > The error message I see is:
> >
> > ----------
> > -- Boost:
> > CMake Error at C:/Program Files/CMake 2.6/share/cmake-2.6/Modules/
> > FindBoost.cmake:868 (message):
> >   Unable to find the requested Boost libraries.
> >
> >   Boost version: 1.38.0
> >
> >   Boost include path: C:/Program Files/boost/boost_1_38
> >
> >   The following Boost libraries could not be found:
> >
> >           boost_thread
> >
> >   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:16 (find_package)
> >
> >
> > Boost_INCLUDE_DIR    : C:/Program Files/boost/boost_1_38
> > Boost_THREAD_LIBRARY : Boost_THREAD_LIBRARY-NOTFOUND
> > ----------
> >
> > The problem does not occur on Linux or Mac OS X.
> >
> > I can work around the problem by calling find_package(Boost) with no
> > arguments, setting BOOST_ROOT accordingly, and then calling
> > "find_package(Boost COMPONENTS thread REQUIRED)" but it seems odd to
> > need to do that. Any thoughts?
> >
> > A full, working CMakeLists.txt for my project can be seen at:
> >
> >
> >
> https://skyking.microscopy.wisc.edu/svn/java/trunk/components/native/bf-cpp/CMakeLists.txt
> >
> > Over half of the lines of code are specifically for dealing with
> > Boost, particularly on Windows; it would be nice to trim down the
> > configuration a bit.
> >
> > Thanks,
> > Curtis
> >
> > ------------------------------------------------------------------------
> >
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