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-rw-r--r--toolchain/gcc/Makefile6
-rwxr-xr-xtoolchain/gcc/files/wrapper.sh91
2 files changed, 97 insertions, 0 deletions
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index ea103c453..955248e81 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -246,6 +246,8 @@ define Stage2/Install
$(GCC_MAKE) -C $(HOST_BUILD_DIR2) install
# Set up the symlinks to enable lying about target name.
set -e; \
+ $(CP) ./files/wrapper.sh $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-wrapper.sh
+ chmod +x $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-wrapper.sh
(cd $(TOOLCHAIN_DIR)/usr; \
ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
cd bin; \
@@ -253,6 +255,10 @@ define Stage2/Install
ln -sf $$$${app} \
$(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
done; \
+ for app in cc gcc g++ c++ cpp ld as ; do \
+ [ -f $(REAL_GNU_TARGET_NAME)-$$$${app} ] && mv $(REAL_GNU_TARGET_NAME)-$$$${app} $(REAL_GNU_TARGET_NAME)-$$$${app}.bin ; \
+ ln -sf $(REAL_GNU_TARGET_NAME)-wrapper.sh $(REAL_GNU_TARGET_NAME)-$$$${app} ; \
+ done; \
);
$(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
endef
diff --git a/toolchain/gcc/files/wrapper.sh b/toolchain/gcc/files/wrapper.sh
new file mode 100755
index 000000000..19e1863c2
--- /dev/null
+++ b/toolchain/gcc/files/wrapper.sh
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+# 2009 (C) Copyright Industrie Dial Face S.p.A.
+# Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>
+#
+# Based on original idea from WindRiver
+#
+# Toolchain wrapper script.
+#
+# This script allows us to use a small number of GCC / binutils cross-tools
+# (one toolchain per instruction set architecture) to implement a larger
+# number of processor- or board-specific tools. The wrapper script is
+# configured at install time with information covering basic CFLAGS,
+# LD options and the toolchain triplet name.
+#
+
+PROGNAME=$0
+REALNAME=`readlink -f $0`
+
+REALNAME_BASE=`basename $REALNAME`
+REALNAME_DIR=`dirname $REALNAME`
+
+TARGET_FUNDAMENTAL_ASFLAGS=''
+TARGET_FUNDAMENTAL_CFLAGS=''
+TARGET_ROOTFS_CFLAGS=''
+TARGET_FUNDAMENTAL_LDFLAGS=''
+TARGET_TOOLCHAIN_TRIPLET=${REALNAME_BASE%-*}
+
+# Parse our tool name, splitting it at '-' characters.
+BINARY=${PROGNAME##*-}
+
+# Parse our tool name, splitting it at '-' characters.
+IFS=- read TOOLCHAIN_ARCH TOOLCHAIN_BUILDROOT TOOLCHAIN_OS TOOLCHAIN_PLATFORM PROGNAME << EOF
+$REALNAME_BASE
+EOF
+
+#
+# We add the directory this was executed from to the PATH
+# The toolchains (links) should be in this directory or in the users
+# PATH.
+#
+TOOLCHAIN_BIN_DIR="$REALNAME_DIR/"
+
+# Set the PATH so that our run-time location is first
+# (get_feature is run from the path, so this has to be set)
+export PATH="$TOOLCHAIN_BIN_DIR":$PATH
+export GCC_HONOUR_COPTS
+
+TOOLCHAIN_SYSROOT="$TOOLCHAIN_BIN_DIR/../.."
+if [ ! -d "$TOOLCHAIN_SYSROOT" ]; then
+ echo "Error: Unable to determine sysroot (looking for $TOOLCHAIN_SYSROOT)!" >&2
+ exit 1
+fi
+
+# -Wl,--dynamic-linker=$TOOLCHAIN_SYSROOT/lib/ld-uClibc.so.0
+# --dynamic-linker=$TOOLCHAIN_SYSROOT/lib/ld-uClibc.so.0
+
+case $TOOLCHAIN_PLATFORM in
+ gnu|glibc|eglibc)
+ GCC_SYSROOT_FLAGS="--sysroot=$TOOLCHAIN_SYSROOT -Wl,-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
+ LD_SYSROOT_FLAGS="-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
+ ;;
+ uclibc)
+ GCC_SYSROOT_FLAGS="--sysroot=$TOOLCHAIN_SYSROOT -Wl,-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
+ LD_SYSROOT_FLAGS="-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
+ ;;
+ *)
+ GCC_SYSROOT_FLAGS=""
+ LD_SYSROOT_FLAGS=""
+ ;;
+esac
+
+#
+# Run the cross-tool.
+#
+case $BINARY in
+ cc|gcc|g++|c++|cpp)
+ exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin $GCC_SYSROOT_FLAGS $TARGET_FUNDAMENTAL_CFLAGS $TARGET_ROOTFS_CFLAGS "$@"
+ ;;
+ ld)
+ exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin $LD_SYSROOT_FLAGS $TARGET_FUNDAMENTAL_LDFLAGS "$@"
+ ;;
+ as)
+ exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin $TARGET_FUNDAMENTAL_ASFLAGS "$@"
+ ;;
+ *)
+ exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin "$@"
+ ;;
+esac
+
+exit 0