The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/scripts/gcc-version.sh

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 #!/bin/sh
    2 #
    3 # gcc-version [-p] gcc-command
    4 #
    5 # Prints the gcc version of `gcc-command' in a canonical 4-digit form
    6 # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
    7 #
    8 # With the -p option, prints the patchlevel as well, for example `029503' for
    9 # gcc-2.95.3, `030301' for gcc-3.3.1, etc.
   10 #
   11 
   12 if [ "$1" = "-p" ] ; then
   13         with_patchlevel=1;
   14         shift;
   15 fi
   16 
   17 compiler="$*"
   18 
   19 if [ ${#compiler} -eq 0 ]; then
   20         echo "Error: No compiler specified."
   21         printf "Usage:\n\t$0 <gcc-command>\n"
   22         exit 1
   23 fi
   24 
   25 MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
   26 MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
   27 if [ "x$with_patchlevel" != "x" ] ; then
   28         PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
   29         printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
   30 else
   31         printf "%02d%02d\\n" $MAJOR $MINOR
   32 fi

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