CMAKE vars问题 [英] Problems with CMAKE vars

问题描述

我正在使用CMAKE生成VS2008 SLN / VCPROJ文件，但一些简单的操作似乎无效：

I'm using CMAKE to generate VS2008 SLN/VCPROJ files but a few simple things don't appear to work:

1）工作正常： INCLUDE_DIRECTORIES（$ ENV {MCS_OGRE_HOME} / OgreMain / include）

但这不是，我的VC ++其他include dirs完全可用我这样做时搞砸了，括号和各种各样的东西都在浮动：

But this doesn't, my VC++ additional include dirs gets totally screwed up when I do this, brackets and all kinds floating around:

SET (OGRE_PATH $ENV{OGRE_HOME}/OgreMain)
INCLUDE_DIRECTORIES (${OGRE_PATH}/include)

2）工作原理： target_link_libraries（debug $ ENV {OGRE_HOME} /lib/OgreMainStatic_d.lib）

但这不是，库路径不是t在VC ++中的库路径下显示：

But this doesn't, the library path isn't shown under the library paths in VC++:

LINK_DIRECTORIES($ENV{OGRE_HOME}/lib/)
target_link_libraries( debug OgreMainStatic_d.lib )

我认为这一定很简单吗？

I figure it must be something simple?

推荐答案

而不是：

set(OGRE_PATH $ENV{OGRE_HOME}/OgreMain)

使用：

string(REPLACE "\\" "/" OGRE_PATH "$ENV{OGRE_HOME}/OgreMain")

CMake在所有平台上都使用 /作为路径分隔符。

CMake uses all "/" for path separators on all platforms.

此外，建议使用完整路径名称（带有 /分隔符）作为target_link_libraries的库参数，而不是指定link_directories。然后，CMake提取所有链接到的库，并找出在所有平台上传递链接器标志的正确顺序。

Also, it's recommended to use full path names (with "/" separators) as library arguments to target_link_libraries rather than specifying link_directories. CMake then takes the whole set of libraries linked to and figures out the right order to pass linker flags on all platforms.

另外一条评论：看来您有一个库或您对target_link_libraries的调用中名为 debug的可执行文件。真的吗？还是您错过了此处发布的问题的第一个论点？

One more comment: looks like you have a library or an executable named "debug" from your call to target_link_libraries. Is that true? Or are you missing the first argument in the question posted here?

应该是这样的：

target_link_libraries(mylib
  debug /path/to/DebugLib.lib
  optimized /path/to/ReleaseLib.lib)

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