another fix for CMake empty vars
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1 changed files with 5 additions and 3 deletions
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@ -40,13 +40,15 @@ if(RET)
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else()
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message(STATUS "You are currently on commit ${COMMIT}")
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# Give our output variable a default value, because CMake likes to choke on empty variables
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set(TAGGEDCOMMITOUT "a")
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# Get all the tags
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execute_process(COMMAND "${GIT}" show-ref --tags -d --abbrev RESULT_VARIABLE RET OUTPUT_VARIABLE TAGGEDCOMMITOUT OUTPUT_STRIP_TRAILING_WHITESPACE)
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# Make sure we actually got some tags
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string(LENGTH ${TAGGEDCOMMITOUT} TLEN)
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if(TAGGEDCOMMITOUT)
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string(LENGTH ${TAGGEDCOMMITOUT} TLEN)
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else()
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set(TLEN 1)
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endif()
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if(RET OR TLEN LESS 5)
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message(WARNING "Cannot determine most recent tag. Make sure that you are building either from a Git working tree or from a source archive.")
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