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32 lines
819 B
32 lines
819 B
#!/bin/sh |
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# |
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# gcc-version [-p] gcc-command |
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# |
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# Prints the gcc version of `gcc-command' in a canonical 4-digit form |
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# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. |
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# |
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# With the -p option, prints the patchlevel as well, for example `029503' for |
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# gcc-2.95.3, `030301' for gcc-3.3.1, etc. |
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# |
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if [ "$1" = "-p" ] ; then |
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with_patchlevel=1; |
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shift; |
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fi |
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compiler="$*" |
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if [ ${#compiler} -eq 0 ]; then |
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echo "Error: No compiler specified." |
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printf "Usage:\n\t$0 <gcc-command>\n" |
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exit 1 |
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fi |
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MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) |
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MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) |
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if [ "x$with_patchlevel" != "x" ] ; then |
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PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) |
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printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL |
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else |
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printf "%02d%02d\\n" $MAJOR $MINOR |
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fi
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