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FindFLEX: Add support for the Win flex-bison distribution 

Search for win_flex too and improve version parsing.
This commit is contained in:
Patrick Gansterer 2012-11-26 22:22:39 +01:00 committed by Brad King
parent e593f8a1cf
commit df29336893
1 changed files with 6 additions and 4 deletions
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10
Modules/FindFLEX.cmake
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@ -63,7 +63,7 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
find_program(FLEX_EXECUTABLE flex DOC "path to the flex executable")
find_program(FLEX_EXECUTABLE NAMES flex win_flex DOC "path to the flex executable")
mark_as_advanced(FLEX_EXECUTABLE)
find_library(FL_LIBRARY NAMES fl
@ -93,10 +93,12 @@ if(FLEX_EXECUTABLE)
else()
# 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]+[^ ]*)( .*)?$" "\\2"
get_filename_component(FLEX_EXE_NAME_WE "${FLEX_EXECUTABLE}" NAME_WE)
get_filename_component(FLEX_EXE_EXT "${FLEX_EXECUTABLE}" EXT)
string(REGEX REPLACE "^.*${FLEX_EXE_NAME_WE}(${FLEX_EXE_EXT})?\"? (version )?([0-9]+[^ ]*)( .*)?$" "\\3"
FLEX_VERSION "${FLEX_version_output}")
unset(FLEX_EXE_NAME)
unset(FLEX_EXE_EXT)
unset(FLEX_EXE_NAME_WE)
endif()
#============================================================