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Diffstat (limited to 'cmake/scripts/common/DependencyOptions.cmake')
| -rw-r--r-- | cmake/scripts/common/DependencyOptions.cmake | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/cmake/scripts/common/DependencyOptions.cmake b/cmake/scripts/common/DependencyOptions.cmake new file mode 100644 index 0000000..a45dcec --- /dev/null +++ b/cmake/scripts/common/DependencyOptions.cmake @@ -0,0 +1,23 @@ +# Set Option varname based on USE_INTERNAL_LIBS status +# +# Alternative to cmake_dependent_option +# cmake_dependent_option is restrictive, in the fact that we cannot override the +# set option value as a cache variable (-Dvar=foo) +# +# This allows us to have the same outcome as cmake_dependent_option whilst still allowing +# user to override for platforms that would normally be forced ON +# +function(dependent_option varname optionmessage) + + # If varname already set, accept that, as it was provided by the user + if(NOT DEFINED ${varname}) + # Generally we only define USE_INTERNAL_LIBS as the exception for platforms + # we explicitly dont want to build internal libs (eg Linux/Freebsd) + if(NOT DEFINED USE_INTERNAL_LIBS) + option(${varname} ${optionmessage} ON) + else() + # Respect Value of USE_INTERNAL_LIBS for ON/OFF + option(${varname} ${optionmessage} ${USE_INTERNAL_LIBS}) + endif() + endif() +endfunction() |