Add a target (CONFIG_MAKE_CONFIG) that creates an exportable toolchain. The toolchain will zipped and saved under $(TOPDIR)/bin directory.

Signed-off-by: Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18419 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 97 insertions, 0 deletions

diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index ea103c4539..955248e81d 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 0000000000..19e1863c27
--- /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