90 lines
1.6 KiB
Bash
Executable File
90 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# setgcc [ <arch> ] [ <gcc> ]
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abiDir=/boot/develop/abi/
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abiLink=$abiDir/current
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usage()
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{
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cat << EOF
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Usage: $0 [ <arch> ] [ <gcc> ]
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Sets the current gcc version, respectively prints it, if no arguments are
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given.
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<arch> - The architecture to set. Supported values: "x86".
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<gcc> - The major gcc version to set. Supported values: "gcc2", "gcc4".
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EOF
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}
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if [ $# -gt 2 ]; then
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usage
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exit 1
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fi
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if [ $# -eq 0 ]; then
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if [ -h $abiLink ]; then
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abi=$(readlink $abiLink 2> /dev/null) || {
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echo "Failed to read GCC symlink." >&2
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exit 1
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}
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echo "Current GCC: $abi"
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exit
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else
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echo "GCC symlink not installed." >&2
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exit 1
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fi
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fi
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arch=
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gcc=
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# parse the args
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while [ $# -gt 0 ]; do
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case $1 in
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-h,--help) usage; exit;;
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x86) arch=$1;;
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gcc2|gcc4) gcc=$1;;
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*) usage; exit 1;;
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esac
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shift
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done
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# use the native arch, if not given
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if [ -z "$arch" ]; then
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case $(uname -m) in
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BePC) arch=x86;;
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*) echo "Can't guess native architecture. Please specify!" >&2
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exit 1;;
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esac
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fi
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# guess the native gcc version, if not given
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if [ -z "$gcc" ]; then
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if [ -e /system/lib/gcc2 ]; then
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gcc=gcc4
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elif [ -e /system/lib/gcc4 ]; then
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gcc=gcc2
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elif [ -e /system/lib/libstdc++.r4.so ]; then
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gcc=gcc2
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else
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echo "Can't guess native GCC version. Please specify!" >&2
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exit 1
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fi
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fi
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# check whether the gcc exits
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if [ ! -e $abiDir/$arch/$gcc/tools/current/bin/gcc ]; then
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echo "Can't set GCC $arch/$gcc -- not installed." >&2
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exit 1
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fi
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# create the symlink
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( rm $abiLink && ln -sf $arch/$gcc $abiLink ) || {
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echo "Failed to set GCC $arch/$gcc." >&2
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exit 1
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}
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