在 CMake 中获取 wxWidgets 的版本

发布于 2024-11-04 11:26:01 字数 1227 浏览 0 评论 0原文

我试图确定 CMake 找到的 wxWidgets 版本是否 >= 2.9。我尝试了这个：（

find_package(wxWidgets 2.9 COMPONENTS core base REQUIRED)
if(wxWidgets_FOUND)
  message("wxWidgets found successfully.")
  include( ${wxWidgets_USE_FILE} )
else()
  message(FATAL_ERROR "wxWidgets was not found!")
endif()

if(wxWidgets_VERSION LESS 2.9)
  message(FATAL_ERROR "wxWidgets is not a high enough version!")
else()
  message("wxWidgets Version ${wxWidgets_VERSION}")
  message("wxWidgets Major version ${wxMAJOR_VERSION}")
  message("release number ${wxRELEASE_NUMBER}")
  message("check version ${wxCHECK_VERSION}")
  message("wxWidgets version ${WX_WIDGETS_VERSION}")
  message("wxWidgets major version ${WX_MAJOR_VERSION}")
  message("wxWidgets version string ${WX_VERSION_STRING}")
endif()

我的系统有wx2.8，所以这应该失败）。

if(wxWidgets_FOUND) 返回 TRUE，到目前为止一切顺利。然而，if(wxWidgets_VERSION LESS 2.9)失败了，但这并不是因为wxWidgets_VERSION < 2.9。 2.9.这是因为wxWidgets_VERSION是空的。事实上，整个输出是：（

wxWidgets Version 
wxWidgets Major version 
release number 
check version 
wxWidgets version 
wxWidgets major version 
wxWidgets version string

即所有变量都是空的）

有谁知道通过CMake检查wxWidgets版本的正确方法？

谢谢，

大卫

原文

I am trying to determine if the version of wxWidgets found by CMake is >= 2.9. I tried this:

find_package(wxWidgets 2.9 COMPONENTS core base REQUIRED)
if(wxWidgets_FOUND)
  message("wxWidgets found successfully.")
  include( ${wxWidgets_USE_FILE} )
else()
  message(FATAL_ERROR "wxWidgets was not found!")
endif()

if(wxWidgets_VERSION LESS 2.9)
  message(FATAL_ERROR "wxWidgets is not a high enough version!")
else()
  message("wxWidgets Version ${wxWidgets_VERSION}")
  message("wxWidgets Major version ${wxMAJOR_VERSION}")
  message("release number ${wxRELEASE_NUMBER}")
  message("check version ${wxCHECK_VERSION}")
  message("wxWidgets version ${WX_WIDGETS_VERSION}")
  message("wxWidgets major version ${WX_MAJOR_VERSION}")
  message("wxWidgets version string ${WX_VERSION_STRING}")
endif()

(My system has wx2.8, so this should fail).

The if(wxWidgets_FOUND) returns TRUE, so so far so good. However, the if(wxWidgets_VERSION LESS 2.9) fails, but it is not because wxWidgets_VERSION is < 2.9. It is because wxWidgets_VERSION is empty. In fact, the whole output is:

wxWidgets Version 
wxWidgets Major version 
release number 
check version 
wxWidgets version 
wxWidgets major version 
wxWidgets version string

(i.e. all of the variables are empty)

Does anyone know the correct way to check for the wxWidgets version through CMake?

Thanks,

David

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深空失忆 2024-11-11 11:26:01

在我的 Ubuntu 18.04.2 LTS 上
CMake 命令：

find_package(wxWidgets REQUIRED)

调用宏：

/usr/share/cmake-3.10/Modules/FindwxWidgets.cmake

设置以下变量：

wxWidgets_VERSION_STRING   # 3.0.4
wxWidgets_VERSION_MAJOR    # 3
wxWidgets_VERSION_MINOR    # 0
wxWidgets_VERSION_PATCH    # 4

因此以下代码检查版本：

find_package(wxWidgets REQUIRED)
include(${wxWidgets_USE_FILE})

if (wxWidgets_VERSION_STRING LESS 2.9)
    message("Version < 2.9")
endif()

# Or
if (wxWidgets_VERSION_STRING GREATER_EQUAL 2.9)
    message("Version >= 2.9")
endif()

On my Ubuntu 18.04.2 LTS
CMake command:

find_package(wxWidgets REQUIRED)

calls macro:

/usr/share/cmake-3.10/Modules/FindwxWidgets.cmake

which sets following variables:

wxWidgets_VERSION_STRING   # 3.0.4
wxWidgets_VERSION_MAJOR    # 3
wxWidgets_VERSION_MINOR    # 0
wxWidgets_VERSION_PATCH    # 4

So following code checks the version:

find_package(wxWidgets REQUIRED)
include(${wxWidgets_USE_FILE})

if (wxWidgets_VERSION_STRING LESS 2.9)
    message("Version < 2.9")
endif()

# Or
if (wxWidgets_VERSION_STRING GREATER_EQUAL 2.9)
    message("Version >= 2.9")
endif()

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