cmake中prebuild/postbuild命令

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本文详细介绍了CMake中add_custom_command的使用方法，包括预构建、预链接和后构建阶段的自定义命令设置。同时，列举了CMake提供的多种实用命令，如文件复制、目录创建、环境变量设置等，适用于各种构建需求。

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add_custom_command(TARGET target
                     PRE_BUILD | PRE_LINK| POST_BUILD
                     COMMAND command1[ARGS] [args1...]
                     [COMMAND command2[ARGS] [args2...] ...]
                     [WORKING_DIRECTORYdir]
                     [COMMENT comment][VERBATIM])

add_custom_command(OUTPUT ${TEST_FILE}
COMMAND echo "Generating log.txt file..."
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_LIST_FILE} ${TEST_FILE}
COMMENT "This is a test"
)

上面是copy用法，其他可以用的命令如下

Usage: C:\Program Files\CMake\bin\cmake.exe -E <command> [arguments...]

Available commands:

capabilities - Report capabilities built into cmake in JSON format

chdir dir cmd [args...] - run command in a given directory

compare_files file1 file2 - check if file1 is same as file2

copy <file>... destination - copy files to destination (either file or directory)

copy_directory <dir>... destination - copy content of <dir>... directories to 'destination' directory

copy_if_different <file>... destination - copy files if it has changed

echo [<string>...] - displays arguments as text

echo_append [<string>...] - displays arguments as text but no new line

env [--unset=NAME]... [NAME=VALUE]... COMMAND [ARG]...

- run command in a modified environment

environment - display the current environment

make_directory <dir>... - create parent and <dir> directories

md5sum <file>... - create MD5 checksum of files

sha1sum <file>... - create SHA1 checksum of files

sha224sum <file>... - create SHA224 checksum of files

sha256sum <file>... - create SHA256 checksum of files

sha384sum <file>... - create SHA384 checksum of files

sha512sum <file>... - create SHA512 checksum of files

remove [-f] <file>... - remove the file(s), use -f to force it

remove_directory dir - remove a directory and its contents

rename oldname newname - rename a file or directory (on one volume)

server - start cmake in server mode

sleep <number>... - sleep for given number of seconds

tar [cxt][vf][zjJ] file.tar [file/dir1 file/dir2 ...]

- create or extract a tar or zip archive

time command [args...] - run command and display elapsed time

touch file - touch a file.

touch_nocreate file - touch a file but do not create it.

Available on Windows only:

delete_regv key - delete registry value

env_vs8_wince sdkname - displays a batch file which sets the environment for the provided Windows CE SDK installed in VS2005

env_vs9_wince sdkname - displays a batch file which sets the environment for the provided Windows CE SDK installed in VS2008

write_regv key value - write registry value