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
* FIND_STD_PROGRAM will find a program in the path or using --with options and verify that the path/bin/program is executable. Also allows checking for include files and libraries. If found, USE_PROGRAM is set, otherwise its not set. Also sets PROGRAM_BIN (bin directory), and PROGRAM_DIR (top level directory). If headers are found, sets PROGRAM_INC. If libraries are found, sets PROGRAM_LIB. * CHECK_PROGRAM_SANITY can be used to run a program with some option that only produces information output and requires no input. If the output matches a regular expression, the program passes the sanity check. Otherwise, an error occurs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22458 91177308-0d34-0410-b5e6-96231b3b80d8