Commit 2cf5df3e authored by Rolf Eike Beer's avatar Rolf Eike Beer

FindFLEX: fix version parsing for old flex versions

parent b8ff1c1e
......@@ -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()
#============================================================
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment