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Only copy file if different to avoid unnecessary rebuilds

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This commit is contained in:
Jon Beniston 2021-10-05 14:31:01 +01:00
parent dc7232ee4f
commit 7012a7f43c
1 changed files with 2 additions and 2 deletions
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4
external/CMakeLists.txt vendored
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@ -114,7 +114,7 @@ if (LINUX)
macro(makeCopyFile src dest target) macro(makeCopyFile src dest target)
if (NOT EXISTS ${dest}) if (NOT EXISTS ${dest})
add_custom_command(TARGET ${target} PRE_BUILD add_custom_command(TARGET ${target} PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E copy ${src} ${dest} DEPENDS ${dest} COMMENT "copy ${src} -> ${dest}") COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dest} DEPENDS ${dest} COMMENT "copy ${src} -> ${dest}")
endif () endif ()
endmacro() endmacro()
else () else ()
@ -138,7 +138,7 @@ else ()
macro(makeCopy src dest target) macro(makeCopy src dest target)
if (NOT EXISTS ${dest}) if (NOT EXISTS ${dest})
add_custom_command(TARGET ${target} POST_BUILD add_custom_command(TARGET ${target} POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy ${src} ${dest} DEPENDS ${dest} COMMENT "copy ${src} -> ${dest}") COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dest} DEPENDS ${dest} COMMENT "copy ${src} -> ${dest}")
endif () endif ()
endmacro() endmacro()
endif (LINUX) endif (LINUX)