d87a8aa148
Add a variable that stores the original value of $PATH in the host system's shell, before Make alters it. This can be useful for when it is necessary to ignore symlinks and programs made by the build system. Define this new variable before all instances of 'export PATH:=' or similar. Signed-off-by: Michael Pratt <mcpratt@pm.me>
89 lines
2.4 KiB
Bash
Executable File
89 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# 2009 (C) Copyright Industrie Dial Face S.p.A.
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# Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>
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#
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# Based on original idea from WindRiver
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#
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# Toolchain wrapper script.
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#
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# This script allows us to use a small number of GCC / binutils cross-tools
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# (one toolchain per instruction set architecture) to implement a larger
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# number of processor- or board-specific tools. The wrapper script is
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# configured at install time with information covering basic CFLAGS,
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# LD options and the toolchain triplet name.
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#
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PROGNAME=$0
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REALNAME=$(readlink -f "$0")
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REALNAME_BASE=$(basename "$REALNAME")
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REALNAME_DIR=$(dirname "$REALNAME")
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TARGET_FUNDAMENTAL_ASFLAGS=''
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TARGET_FUNDAMENTAL_CFLAGS=''
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TARGET_ROOTFS_CFLAGS=''
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TARGET_FUNDAMENTAL_LDFLAGS=''
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TARGET_TOOLCHAIN_TRIPLET=${REALNAME_BASE%-*}
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# Parse our tool name, splitting it at '-' characters.
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BINARY=${PROGNAME##*-}
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# Parse our tool name, splitting it at '-' characters.
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IFS=- read -r _ _ _ TOOLCHAIN_PLATFORM PROGNAME << EOF
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$REALNAME_BASE
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EOF
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#
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# We add the directory this was executed from to the PATH
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# The toolchains (links) should be in this directory or in the users
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# PATH.
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#
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TOOLCHAIN_BIN_DIR="$REALNAME_DIR/"
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# Set the PATH so that our run-time location is first
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# (get_feature is run from the path, so this has to be set)
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export ORIG_PATH=${ORIG_PATH:-$PATH}
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export PATH="$TOOLCHAIN_BIN_DIR":$PATH
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export GCC_HONOUR_COPTS
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TOOLCHAIN_SYSROOT="$TOOLCHAIN_BIN_DIR/.."
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if [ ! -d "$TOOLCHAIN_SYSROOT" ]; then
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echo "Error: Unable to determine sysroot (looking for $TOOLCHAIN_SYSROOT)!" >&2
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exit 1
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fi
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# -Wl,--dynamic-linker=$TOOLCHAIN_SYSROOT/lib/ld-uClibc.so.0
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# --dynamic-linker=$TOOLCHAIN_SYSROOT/lib/ld-uClibc.so.0
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case $TOOLCHAIN_PLATFORM in
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gnu|glibc|uclibc|musl)
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GCC_SYSROOT_FLAGS="--sysroot=$TOOLCHAIN_SYSROOT -Wl,-rpath-link=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
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LD_SYSROOT_FLAGS="-rpath-link=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
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;;
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*)
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GCC_SYSROOT_FLAGS=""
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LD_SYSROOT_FLAGS=""
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;;
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esac
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#
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# Run the cross-tool.
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#
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case $BINARY in
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cc|gcc|g++|c++|cpp)
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exec "$TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin" $GCC_SYSROOT_FLAGS $TARGET_FUNDAMENTAL_CFLAGS $TARGET_ROOTFS_CFLAGS "$@"
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;;
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ld)
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exec "$TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin" $LD_SYSROOT_FLAGS $TARGET_FUNDAMENTAL_LDFLAGS "$@"
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;;
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as)
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exec "$TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin" $TARGET_FUNDAMENTAL_ASFLAGS "$@"
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;;
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*)
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exec "$TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin" "$@"
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;;
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esac
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exit 0
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