list 如何将多个文件列表与 CMake 合并在一起？
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How can I merge multiple lists of files together with CMake?
提问by Calvin
I have a project built with CMake that needs to copy some resources to the destination folder. Currently I use this code:
我有一个用 CMake 构建的项目，需要将一些资源复制到目标文件夹。目前我使用这个代码：
file(GLOB files "path/to/files/*")
foreach(file ${files})
ADD_CUSTOM_COMMAND(
TARGET MyProject
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy "${file}" "${CMAKE_BINARY_DIR}/Debug"
)
endforeach()
Now I want to copy more files from a different folder. So we want to copy files from both path/to/filesand path/to/files2to the same place in the binary folder. One way would be to just duplicate the above code, but it seems unnecessary to duplicate the lengthy custom command.
现在我想从不同的文件夹复制更多文件。因此，我们希望从两个复制文件path/to/files并path/to/files2以二进制文件夹中的同一个地方。一种方法是只复制上面的代码，但似乎没有必要复制冗长的自定义命令。
Is there an easy way to use file(and possibly the listcommand as well) to concatenate two GLOBlists?
有没有一种简单的方法可以使用file（也可能是list命令）来连接两个GLOB列表？
回答by sakra
The file (GLOB ...)command allows for specifying multiple globbing expressions:
该file (GLOB ...)命令允许指定多个 globbing 表达式：
file (GLOB files "path/to/files/*" "path/to/files2*")
Alternatively, use the list (APPEND ...)sub-command to merge lists, e.g.:
或者，使用list (APPEND ...)子命令合并列表，例如：
file (GLOB files "path/to/files/*")
file (GLOB files2 "path/to/files2*")
list (APPEND files ${files2})
回答by antonakos
I'd construct a list for each of the patterns and then concatenate the lists:
我会为每个模式构建一个列表，然后连接列表：
file(GLOB files1 "path/to/files1/*")
file(GLOB files2 "path/to/files2/*")
set(files ${files1} ${files2})
