* guess-systype: New shell script. Attempts to guess the
canonical host name of the executing host. Only a few hosts are supported so far. * configure: Call guess-systype if no host is specified.
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#!/bin/sh
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# This script attempts to guess a canonical system name
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# similar to the output of config.sub.
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# If it succeeds, it prints the system name on stdout, and exits with 0.
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# Otherwise, it prints an error message on stderr, and exits with 1.
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# The plan is that this can be called by configure scripts if you don't
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# specify an explicit system type (host/target name).
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#
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# Only a few systems have been added to this list;
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# please add others (but try to keep the structure clean).
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UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
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UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
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UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
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UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
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# Note: order is significant - the case branches are not exclusive.
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case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
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sun4*:SunOS:5.*:*)
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echo sparc-sun-solaris
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exit 0 ;;
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sun4*:SunOS:*:*)
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echo sparc-sun-sunos${UNAME_RELEASE}
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exit 0 ;;
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sun3*:SunOS:*:*)
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echo m68k-sun-sunos${UNAME_RELEASE}
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exit 0 ;;
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RISC*:ULTRIX:*:*)
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echo mips-dec-ultrix${UNAME_RELEASE}
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exit 0 ;;
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*:IRIX:*:*)
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echo mips-sgi-irix${UNAME_RELEASE}
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exit 0 ;;
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*:AIX:*:*)
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echo rs6000-ibm-aix
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exit 0 ;;
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esac
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# uname didn't exit or help; try another approach.
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cat >dummy.c <<EOF
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main()
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{
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#if defined (sony)
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#if defined (MIPSEB)
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exit(1);
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#else
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printf("m68k-sony-newsos\n");
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#endif
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#endif
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}
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EOF
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${CC-cc} dummy.c -o dummy && dummy && rm dummy.c dummy && exit 0
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rm -f dummy.c dummy
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echo "(No uname comamnd or uname output not recognized." 1>&2
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echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
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echo "Unable to guess system type)" 1>&2
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exit 1
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