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cmake/modules/FindBison.cmake: It must be unneeded any more.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137715 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2011-08-16 11:10:54 +00:00
parent 05d0023a95
commit 1387d969e4
1 changed files with 0 additions and 52 deletions
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52
cmake/modules/FindBison.cmake
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@ -1,52 +0,0 @@
# - Try to find Bison
# Once done this will define
#
# BISON_FOUND - system has Bison
# BISON_EXECUTABLE - path of the bison executable
# BISON_VERSION - the version string, like "2.5.31"
#
MACRO(FIND_BISON)
FIND_PROGRAM(BISON_EXECUTABLE NAMES bison)
IF(BISON_EXECUTABLE)
SET(BISON_FOUND TRUE)
EXECUTE_PROCESS(COMMAND ${BISON_EXECUTABLE} --version
OUTPUT_VARIABLE _BISON_VERSION
)
string (REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" BISON_VERSION "${_bison_VERSION}")
ENDIF(BISON_EXECUTABLE)
IF(BISON_FOUND)
IF(NOT Bison_FIND_QUIETLY)
MESSAGE(STATUS "Found Bison: ${BISON_EXECUTABLE}")
ENDIF(NOT Bison_FIND_QUIETLY)
ELSE(BISON_FOUND)
IF(Bison_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find Bison")
ENDIF(Bison_FIND_REQUIRED)
ENDIF(BISON_FOUND)
ENDMACRO(FIND_BISON)
MACRO(BISON_GENERATOR _PREFIX _Y_INPUT _H_OUTPUT _CPP_OUTPUT)
IF(BISON_EXECUTABLE)
GET_FILENAME_COMPONENT(_Y_DIR ${_Y_INPUT} PATH)
ADD_CUSTOM_COMMAND(
OUTPUT ${_CPP_OUTPUT}
OUTPUT ${_H_OUTPUT}
DEPENDS ${_Y_INPUT}
COMMAND ${BISON_EXECUTABLE}
ARGS
-p ${_PREFIX} -o"${_CPP_OUTPUT}"
--defines="${_H_OUTPUT}" ${_Y_INPUT}
WORKING_DIRECTORY ${_Y_DIR}
)
SET_SOURCE_FILES_PROPERTIES(
${_CPP_OUTPUT} ${_H_OUTPUT}
GENERATED
)
ELSE(BISON_EXECUTABLE)
MESSAGE(SEND_ERROR "Can't find bison program, and it's required")
ENDIF(BISON_EXECUTABLE)
ENDMACRO(BISON_GENERATOR)