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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137715 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/FindBison.cmake b/cmake/modules/FindBison.cmake
deleted file mode 100755 (executable)
index 0320ae3..0000000
--- a/cmake/modules/FindBison.cmake
+++ /dev/null
@@ -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)