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Build: Fixed VS always triggering a full build when PCH is enabled, even if only a source file was edited

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Shauren
2019-06-02 21:09:53 +02:00
parent 345133d75e
commit 9b1dfe5e5e
1 changed files with 12 additions and 2 deletions
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14
dep/cotire/CMake/cotire.cmake
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@@ -2867,8 +2867,18 @@ function (cotire_process_target_language _language _configurations _target _whol
# check for user provided prefix header files
get_property(_prefixHeaderFiles TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER_INIT)
if (_prefixHeaderFiles)
cotire_setup_prefix_generation_from_provided_command(
${_language} ${_target} "${_targetConfigScript}" "${_prefixFile}" _cmds ${_prefixHeaderFiles})
list (LENGTH _prefixHeaderFiles _numberOfprefixHeaderFiles)
# if there is only one header specified in COTIRE_${_language}_PREFIX_HEADER_INIT then use it directly
# this works around a bug/change that causes Visual Studio to always rebuild entire project
# even if only one source file changed
# custom commands in cmake are designed to be always "out of date" so generation always happens
# Visual Studio determines "out of date" status by last modification timestamp, not content
if (_numberOfprefixHeaderFiles GREATER 1)
cotire_setup_prefix_generation_from_provided_command(
${_language} ${_target} "${_targetConfigScript}" "${_prefixFile}" _cmds ${_prefixHeaderFiles})
else()
list (GET _prefixHeaderFiles 0 _prefixFile)
endif()
else()
cotire_setup_prefix_generation_from_unity_command(
${_language} ${_target} "${_targetConfigScript}" "${_prefixFile}" "${_unityFile}" _cmds ${_unitySourceFiles})