On Sun, May 17, 2009 at 2:35 PM, Robert Dailey <rcdai...@gmail.com> wrote:
> On Sun, May 17, 2009 at 12:16 PM, Philip Lowman <phi...@yhbt.com> wrote: > >> On Sun, May 17, 2009 at 12:26 AM, Robert Dailey <rcdai...@gmail.com>wrote: >> >>> Hi, >>> I have built Boost 1.39 on Windows with static libraries, and they are >>> named like so: >>> >>> libboost_filesystem-mt.lib >>> >>> When I try to do this: >>> >>> find_package( Boost REQUIRED COMPONENTS filesystem ) >>> >>> I get an error saying it could not find boost_filesystem. If I rename the >>> above library and remove the 'lib' prefix, so it is just >>> "boost_filesystem-mt.lib", it finds it. Does the FindBoost.cmake module not >>> support the lib prefix on Windows? This might be an inconsistency on Boost's >>> part. >>> >> >> Have you set(Boost_USE_STATIC_LIBS ON)? >> >> This might be related to a post a while back which never was fully >> resolved involving FindBoost and static libs / dynamic stdlib vs. static >> libs / static stdlib. >> >> Also, which version of FindBoost are you using? >> > > I'm using the one packaged with CMake 2.6.4. Normally, the FindXXX modules > will provide any configurable options as variables in the cache. However, in > this case, it seems like the FindBoost module checks > for Boost_USE_STATIC_LIBS, but does not make it immediately visible in the > cache (i.e. the user has to set it themselves). > I think it's probably best to leave it up to individual projects if they would like to expose Boost_USE_STATIC_LIBS to their cache. You can of course do so simply by writing option(Boost_USE_STATIC_LIBS "Use boost static libraries" ON) prior to find_package(Boost...) Until recently (i.e. the unset(...CACHE) command) it was not possible for user code to remove variables from the cache. Generally I think this has yielded a conservative policy of module writers not adding options to the cache. -- Philip Lowman
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