wireshark/cmake/modules/FindYACC.cmake

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# - Find unix commands from cygwin
# This module looks for some usual Unix commands.
#
INCLUDE(FindCygwin)
FIND_PROGRAM(YACC_EXECUTABLE
NAMES
bison
yacc
PATH
${CYGWIN_INSTALL_PATH}/bin
/bin
/usr/bin
/usr/local/bin
/sbin
)
MARK_AS_ADVANCED(
YACC_EXECUTABLE
)
# search bison/yacc
MACRO(FIND_YACC)
IF(NOT YACC_EXECUTABLE)
FIND_PROGRAM(YACC_EXECUTABLE bison)
IF (NOT YACC_EXECUTABLE)
MESSAGE(FATAL_ERROR "bison/yacc not found - aborting")
ENDIF (NOT YACC_EXECUTABLE)
ENDIF(NOT YACC_EXECUTABLE)
ENDMACRO(FIND_YACC)
MACRO(ADD_YACC_FILES _sources )
FIND_YACC()
FOREACH (_current_FILE ${ARGN})
GET_FILENAME_COMPONENT(_in ${_current_FILE} ABSOLUTE)
GET_FILENAME_COMPONENT(_basename ${_current_FILE} NAME_WE)
SET(_out ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.c)
ADD_CUSTOM_COMMAND(
OUTPUT ${_out}
COMMAND ${YACC_EXECUTABLE}
ARGS
-d
-p ${_basename}
-o${_out}
${_in}
DEPENDS ${_in}
)
SET(${_sources} ${${_sources}} ${_out} )
ENDFOREACH (_current_FILE)
ENDMACRO(ADD_YACC_FILES)