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# Some syntactic sugar to make scripts more readable
#
# Brendan Luchen, 2010
# Set a variable only if it has not already been set
# Example: gentle_set(CMAKE_BUILD_TYPE DEBUG)
macro(t4k_gentle_set var val)
if (NOT DEFINED var)
set(var val)
endif (NOT DEFINED var)
endmacro(t4k_gentle_set)
# Propagate a CMake variable to the C preprocessor
# Example: include_definition(HAVE_ICONV)
function(t4k_include_definition name)
if (${name})
add_definitions(-D${name}=1)
else (${name})
add_definitions(-D${name}=0)
endif(${name})
endfunction(t4k_include_definition)
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