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# - Find lex executable
#
INCLUDE(FindCygwin)
FIND_PROGRAM(LEX_EXECUTABLE
NAMES
lex
flex
PATH
${CYGWIN_INSTALL_PATH}/bin
/bin
/usr/bin
/usr/local/bin
/sbin
)
MARK_AS_ADVANCED(
LEX_EXECUTABLE
)
---------
# flex a .ll file
# search flex
MACRO(FIND_FLEX)
IF(NOT FLEX_EXECUTABLE)
FIND_PROGRAM(FLEX_EXECUTABLE flex)
IF (NOT FLEX_EXECUTABLE)
MESSAGE(FATAL_ERROR "flex not found - aborting")
ENDIF (NOT FLEX_EXECUTABLE)
ENDIF(NOT FLEX_EXECUTABLE)
ENDMACRO(FIND_FLEX)
MACRO(ADD_FLEX_FILES _sources )
FIND_FLEX()
FOREACH (_current_FILE ${ARGN})
GET_FILENAME_COMPONENT(_in ${_current_FILE} ABSOLUTE)
GET_FILENAME_COMPONENT(_basename ${_current_FILE} NAME_WE)
SET(_out ${CMAKE_CURRENT_BINARY_DIR}/flex_${_basename}.cpp)
ADD_CUSTOM_COMMAND(
OUTPUT ${_out}
COMMAND ${FLEX_EXECUTABLE}
ARGS
-o${_out}
${_in}
DEPENDS ${_in}
)
SET(${_sources} ${${_sources}} ${_out} )
ENDFOREACH (_current_FILE)
ENDMACRO(ADD_FLEX_FILES)
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