42ae726e67
In previous, it was still working as I was more interested into != 0 than exact count. Still, for clarity sake, I add -l to get the actual count. Thanks Axel.
100 lines
1.8 KiB
Bash
Executable File
100 lines
1.8 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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libDir=/boot/develop/lib
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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", "ppc".
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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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ppc) 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 exists
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count=`ls -l $abiDir/$arch/$gcc/tools/current/bin/*gcc 2>/dev/null | wc -l`
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if [ $count -eq 0 ]; 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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# create the lib symlink
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libLink=$libDir/$arch
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( rm -f $libLink && ln -sf $abiDir/$arch/$gcc/lib $libLink ) || {
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echo "Failed to set lib $arch/$gcc." >&2
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exit 1
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}
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