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147 lines
3.8 KiB
147 lines
3.8 KiB
#!/bin/bash
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############################
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#
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# Author: Koustubha Bhat
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# Date : 3-April-2014
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# VU University, Amsterdam.
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#
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############################
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##################
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# Initialization
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##################
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set -o errexit
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MYPWD="`pwd`"
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MINIX_ROOT=
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MINIX_LLVM_DIR=
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GOLD_DEST_DIR=
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DEFAULT_LLVM_ROOT=
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EXITCODE=0
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function check_current_dir()
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{
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#Make sure we are running from the root dir of the Minix sources
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if [ -d ./minix/drivers ] && [ -d ./minix/servers ] ; then
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MINIX_ROOT="${MYPWD}"
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elif [ -d ../../minix/drivers ] && [ -d ../../minix/servers ]; then
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MINIX_ROOT="${MYPWD}/../.."
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else
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echo "Please run the script from either of the following locations:"
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echo "> Root of the Minix sources."
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echo " OR"
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echo "> minix/llvm directory of the Minix sources."
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exit 1
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fi
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MINIX_LLVM_DIR="${MINIX_ROOT}/minix/llvm"
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GOLD_DEST_DIR="${MINIX_ROOT}/minix/llvm/bin"
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DEFAULT_LLVM_ROOT="${MINIX_ROOT}/../../llvm-apps"
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}
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# Make sure we are running from the right directory
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check_current_dir
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# LLVM ROOT is the bridging connection from minix branch to the llvm-apps branch
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if [ "${ROOT}" == "" ]; then
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echo "\${ROOT} is not set."
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echo "Please specify the path to the \"llvm-apps\" repository..."
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echo "Default value: ${DEFAULT_LLVM_ROOT} . "
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echo "If this is correct, press ENTER. Otherwise please enter the path."
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if [ "$INTERACTIVE" = "no" ]; then
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response=""
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else
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read response
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fi
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if [ "" == "${response}" ]; then
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ROOT=${DEFAULT_LLVM_ROOT}
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else
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ROOT=${response}
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fi
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fi
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echo "LLVM root directory is set to :"
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echo " ${ROOT}"
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# Persist the LLVM ROOT path information
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[ -f ${MINIX_LLVM_DIR}/common.inc ] || cp ${MINIX_LLVM_DIR}/common.inc.default ${MINIX_LLVM_DIR}/common.inc
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ROOT_1=`echo ${ROOT} | sed "s/\\\//\\\\\\\\\//g"`
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sed -i "s/ROOT=.*$/ROOT=\"${ROOT_1}\"/g" ${MINIX_LLVM_DIR}/common.inc
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. ${MINIX_LLVM_DIR}/minix.inc
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# Configure llvm-apps
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cp ${ROOT}/conf/common.overrides.llvm-minix.inc ${ROOT}/common.overrides.llvm.inc
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MINIX_ROOT_1=`readlink -f ${MINIX_ROOT}`
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echo "_MINIX_ROOT=\"${MINIX_ROOT_1}\"" > ${ROOT}/common.overrides.minix.inc
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if [ ! -d ${ROOT}/.tmp ]; then
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mkdir ${ROOT}/.tmp 2>/dev/null || true
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fi
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# Set default values for essential variables
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: ${JOBS=1}
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: ${GEN_GOLD_PLUGIN="yes"}
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: ${REBUILD_MINIX="yes"}
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########################
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# Generate Gold Plugin
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########################
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if [ "${GEN_GOLD_PLUGIN}" == "yes" ] && [ -f "${MYPWD}/.gold_generated" ]; then
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echo "It is found that Gold plugin has already been generated. Would you like to re-generate? [y | n]"
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if [ "$INTERACTIVE" == "no" ]; then
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response=n
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else
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read response
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fi
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if [ "y" == "$response" ] || [ "Y" == "$response" ]; then
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echo "Gold shall be regenerated."
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else
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GEN_GOLD_PLUGIN="no"
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fi
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fi
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if [ "${GEN_GOLD_PLUGIN}" == "yes" ]; then
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${MINIX_LLVM_DIR}/generate_gold_plugin.sh
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if [ ! -f "${GOLD_DEST_DIR}/libLTO.so" ] || [ ! -f "${GOLD_DEST_DIR}/LLVMgold.so" ]; then
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echo "Failure: generate_gold_plugin.sh"
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exit 1
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fi
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echo "Finished generating gold plugin."
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touch "${MYPWD}/.gold_generated"
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else
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echo "Gold plugin generation: NO"
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fi
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########################
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# Build Minix
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########################
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if [ "${REBUILD_MINIX}" == "yes" ]; then
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echo "Building Minix..."
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echo "CC:$CC"
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echo "CXX:$CXX"
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echo "JOBS:$JOBS"
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echo
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cd ${MINIX_ROOT}
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BUILDVARS="-V MKBITCODE=yes" ./releasetools/x86_hdimage.sh
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EXITCODE=$?
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cd ${MYPWD}
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if [ "$EXITCODE" != "0" ]; then
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echo "Error: Failed building Minix source code."
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exit $EXITCODE
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else
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echo "Completed building Minix source code."
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exit $EXITCODE
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fi
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else
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echo "Building Minix: NO"
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fi
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# Reconfigure llvm-apps
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MINIX_TOOLS_DIR=$(readlink -f ${MINIX_ROOT}/../obj.i386/tooldir.*)
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echo "MINIX_TOOLS_DIR=\"${MINIX_TOOLS_DIR}\"" >> ${ROOT}/common.overrides.minix.inc
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