Only set CCACHE_PRESENT when it is not already defined
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@ -36,7 +36,9 @@ if (NOT MSVC)
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endif()
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set(CMAKE_CXX_FLAGS_RELEASE "-Os")
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find_program(CCACHE_PRESENT ccache)
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if (NOT DEFINED CCACHE_PRESENT)
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find_program(CCACHE_PRESENT ccache)
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endif()
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if(CCACHE_PRESENT)
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
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set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
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