[英]find_package(Boost) error when BOOST_INCLUDEDIR & BOOST_LIBRARYDIR are different
I'm trying to compile Boost as shared libraries and make them a dependency of my cross platform CMake project. 我正在尝试将Boost编译为共享库,并使它们成为我的跨平台 CMake项目的依赖项。
For that, I compiled boost for win32, x64 and linux where my boost folder structure looks like: 为此,我为win32,x64和Linux编译了boost,其中boost文件夹结构如下所示:
- boost_1_69_0/
- boost/
- stage/
- win32
- lib
- x64
- lib
- linux
- lib
Then I'm doing: 然后我在做:
set(BOOST_INCLUDEDIR ${CMAKE_CURRENT_SOURCE_DIR}/../external/boost_1_69_0)
set(BOOST_LIBRARYDIR ${CMAKE_CURRENT_SOURCE_DIR}/../external/boost_1_69_0/stage/win32)
find_package(Boost REQUIRED COMPONENTS filesystem)
And getting: 得到:
CMake Error at C:/Program Files/CMake/share/cmake-3.13/Modules/FindBoost.cmake:2100 (message):
Unable to find the requested Boost libraries.
Boost version: 1.69.0
Boost include path: C:/bla/SW/cmake-template/external/boost_1_69_0
Could not find the following Boost libraries:
boost_filesystem
Is that a bug? 那是个错误吗?
If I move the lib
folder from inside win32
to it's parent directory, ie: 如果我将
lib
文件夹从win32
内部移动到其父目录,即:
- boost_1_69_0/
- boost/
- stage/
- lib
which is the default way boost's b2 build stuff, then it's all working. 这是boost的b2构建东西的默认方式,然后一切正常。 But then I can't hold different boost binaries for different platforms.
但是,我不能为不同的平台使用不同的boost二进制文件。
EDIT : 编辑 :
using set(Boost_DEBUG ON)
I found out my boost is compiled with Visual Studio v141 toolset while my project is using v140, and so FindBoost
is looking for boost_filesystem-vc140-mt-x64-1_69
and not boost_filesystem-vc140-mt-x64-1_69
. 使用
set(Boost_DEBUG ON)
我发现我的Boost是在项目使用v140时使用Visual Studio v141工具集编译的,因此FindBoost
在寻找boost_filesystem-vc140-mt-x64-1_69
而不是boost_filesystem-vc140-mt-x64-1_69
。
I guess the problem has shifted to either find a way to force searching for v141 or (better) use --layout=system
and find a way to force it to always look for boost_filesystem
. 我猜问题已经转移到要么找到一种方法来强制搜索v141,要么(更好)使用
--layout=system
并找到一种方法来迫使它始终寻找boost_filesystem
。 Is there a way of doing that? 有办法吗?
The problem here is that CMake searches for boost libraries matching a certain naming scheme. 这里的问题是CMake搜索与某个命名方案匹配的boost库。 Your libraries differ from that, since there are some options encoded within the filename.
您的库与此不同,因为文件名中编码了一些选项。 You have two options:
您有两种选择:
--layout=system
flag when running the b2
executable. b2
可执行文件时,再次使用--layout=system
标志再次编译boost。 This will create library files with standard names like boost_filesystem.dll
and boost_filesystem.lib
. boost_filesystem.dll
和boost_filesystem.lib
库文件。 Boost_ARCHITECTURE="-x32"
Boost_COMPILER="-vc141"
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