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enable_language(CXX)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/main.cpp "int main() {}")
add_executable(main ${CMAKE_CURRENT_BINARY_DIR}/main.cpp)
#============================================================================
# add_custom_command(TARGET)
#============================================================================
# Unsupported keywords. Need to test them in batches to avoid other checks.
add_custom_command(TARGET main
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E true
# None of the following are allowed for the TARGET form
#APPEND # Has its own check requiring OUTPUT to be set
#CODEGEN # Other checks will fail before the CMP0175 check
DEPENDS valueDoesNotMatterHere
DEPENDS_EXPLICIT_ONLY YES
DEPFILE valueDoesNotMatterHere
#IMPLICIT_DEPENDS # Earlier check fails when DEPFILE is present
JOB_POOL valueDoesNotMatterHere
MAIN_DEPENDENCY valueDoesNotMatterHere
#OUTPUT # Other checks will fail before the CMP0175 check
#OUTPUTS # Special case, not a documented keyword (used for deprecated form)
#SOURCE # Old signature, special handling makes it hard to check
)
add_custom_command(TARGET main
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E true
# Has to be tested separately due to separate check for clash with DEPFILE
IMPLICIT_DEPENDS valueDoesNotMatterHere
# Has to be tested separately due to separate check for clash with JOB_POOL.
# This one is supported, but was erroneously rejected in the 3.31.0 release.
# We keep this here to verify the fix for that regression.
USES_TERMINAL NO
)
# Missing any PRE_BUILD, PRE_LINK, or POST_BUILD
add_custom_command(TARGET main
COMMAND ${CMAKE_COMMAND} -E true
)
# More than one of PRE_BUILD, PRE_LINK, or POST_BUILD
add_custom_command(TARGET main
PRE_BUILD PRE_LINK POST_BUILD
COMMAND ${CMAKE_COMMAND} -E true
)
# Missing COMMAND
add_custom_command(TARGET main
POST_BUILD
COMMENT "Need at least 4 arguments, so added this comment"
)
#============================================================================
# add_custom_command(OUTPUT)
#============================================================================
add_custom_command(OUTPUT blah.txt
OUTPUTS
POST_BUILD
PRE_BUILD
PRE_LINK
SOURCE
)
|
