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Merge topic 'flex-version' 

0b2e81c FindFLEX: fix version parsing when the executable is quoted
2cf5df3 FindFLEX: fix version parsing for old flex versions
This commit is contained in:
David Cole 2012-01-25 11:19:38 -05:00 committed by CMake Topic Stage
parent ddc1eb5ecd 0b2e81c63c
commit c444cf73dd
1 changed files with 5 additions and 1 deletions
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6
Modules/FindFLEX.cmake
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@ -91,8 +91,12 @@ IF(FLEX_EXECUTABLE)
MESSAGE("Command \"${FLEX_EXECUTABLE} --version\" failed with output:\n${FLEX_version_output}\n${FLEX_version_error}\nFLEX_VERSION will not be available")
ENDIF()
ELSE()
STRING(REGEX REPLACE "^flex (.*)$" "\\1"
# older versions of flex printed "/full/path/to/executable version X.Y"
# newer versions use "basename(executable) X.Y"
GET_FILENAME_COMPONENT(FLEX_EXE_NAME "${FLEX_EXECUTABLE}" NAME)
STRING(REGEX REPLACE "^.*${FLEX_EXE_NAME}\"? (version )?([0-9]+[^ ]*)$" "\\2"
FLEX_VERSION "${FLEX_version_output}")
UNSET(FLEX_EXE_NAME)
ENDIF()
#============================================================