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https://github.com/crosstool-ng/crosstool-ng.git
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279 lines
10 KiB
Bash
Executable File
279 lines
10 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2007 Yann E. MORIN
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# Licensed under the GPL v2. See COPYING in the root of this package.
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# This is the main entry point to crosstool
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# This will:
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# - download, extract and patch the toolchain components
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# - build and install each components in turn
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# - and eventually test the resulting toolchain
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# What this file does is prepare the environment, based upon the user-choosen
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# options. It also checks the existing environment for un-friendly variables,
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# and checks for needed tools. It eventually calls the main build script.
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# User must set CT_TOP_DIR in is environment!
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# Once we can build out-of-tree, then this will have to go.
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if [ -z "${CT_TOP_DIR}" -o ! -d "${CT_TOP_DIR}" ]; then
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# We don't have the functions right now, because we don't have CT_TOP_DIR.
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# Do the print stuff by hand:
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echo "CT_TOP_DIR not set. You must set CT_TOP_DIR to the top directory where crosstool is installed."
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exit 1
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fi
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# Parse the common functions
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. "${CT_TOP_DIR}/scripts/functions"
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CT_STAR_DATE=`CT_DoDate +%s%N`
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CT_STAR_DATE_HUMAN=`CT_DoDate +%Y%m%d.%H%M%S`
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# Log to a temporary file until we have built our environment
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CT_ACTUAL_LOG_FILE="`pwd`/$$.log"
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# CT_TOP_DIR should be an absolute path.
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CT_TOP_DIR="`CT_MakeAbsolutePath \"${CT_TOP_DIR}\"`"
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# Parse the configuration file
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CT_TestOrAbort "Configuration file not found. Please create one." -f "${CT_TOP_DIR}/.config"
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. "${CT_TOP_DIR}/.config"
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# The progress bar indicator is asked for
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if [ "${CT_LOG_PROGRESS_BAR}" = "y" ]; then
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_CT_PROG_BAR() {
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[ $((cpt/5)) -eq 0 ] && echo -en "/"
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[ $((cpt/5)) -eq 1 ] && echo -en "-"
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[ $((cpt/5)) -eq 2 ] && echo -en "\\"
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[ $((cpt/5)) -eq 3 ] && echo -en "|"
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echo -en "\r"
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cpt=$(((cpt+1)%20))
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}
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CT_PROG_BAR=_CT_PROG_BAR
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export -f _CT_PROG_BAR
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else
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CT_PROG_BAR=
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fi
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# Apply the color scheme if needed
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if [ "${CT_LOG_USE_COLORS}" = "y" ]; then
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CT_ERROR_COLOR="${_A_NOR}${_A_BRI}${_F_RED}"
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CT_WARN_COLOR="${_A_NOR}${_A_BRI}${_F_YEL}"
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CT_INFO_COLOR="${_A_NOR}${_A_BRI}${_F_GRN}"
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CT_EXTRA_COLOR="${_A_NOR}${_A_DIM}${_F_GRN}"
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CT_DEBUG_COLOR="${_A_NOR}${_A_DIM}${_F_WHI}"
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CT_NORMAL_COLOR="${_A_NOR}"
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else
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CT_ERROR_COLOR=
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CT_WARN_COLOR=
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CT_INFO_COLOR=
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CT_EXTRA_COLOR=
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CT_DEBUG_COLOR=
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CT_NORMAL_COLOR=
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fi
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# Yes! We can do full logging from now on!
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CT_DoLog INFO "Build started ${CT_STAR_DATE_HUMAN}"
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# Some sanity checks in the environment and needed tools
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CT_DoLog INFO "Checking environment sanity"
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# Enable known ordering of files in directory listings:
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CT_Test "Crosstool-NG might not work as expected with LANG=\"${LANG}\"" -n "${LANG}"
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case "${LC_COLLATE},${LC_ALL}" in
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# These four combinations are known to sort files in the correct order:
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fr_FR*,) ;;
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en_US*,) ;;
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*,fr_FR*) ;;
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*,en_US*) ;;
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# Anything else is destined to be borked if not gracefuly handled:
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*) CT_DoLog WARN "Either LC_COLLATE=\"${LC_COLLATE}\" or LC_ALL=\"${LC_ALL}\" is not supported."
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export LC_ALL=`locale -a |egrep "^(fr_FR|en_US)" |head -n 1`
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CT_TestOrAbort "Neither en_US* nor fr_FR* locales found on your system." -n "${LC_ALL}"
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CT_DoLog WARN "Forcing to known working LC_ALL=\"${LC_ALL}\"."
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;;
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esac
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# Other environment sanity checks
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CT_TestAndAbort "Don't set LD_LIBRARY_PATH. It screws up the build." -n "${LD_LIBRARY_PATH}"
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CT_TestAndAbort "Don't set CFLAGS. It screws up the build." -n "${CFLAGS}"
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CT_TestAndAbort "Don't set CXXFLAGS. It screws up the build." -n "${CXXFLAGS}"
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CT_Test "GREP_OPTIONS screws up the build. Resetting." -n "${GREP_OPTIONS}"
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GREP_OPTIONS=
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CT_HasOrAbort awk
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CT_HasOrAbort sed
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CT_HasOrAbort bison
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CT_HasOrAbort flex
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CT_DoStep DEBUG "Dumping crosstool-NG configuration"
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cat ${CT_TOP_DIR}/.config |egrep '^(# |)CT_' |CT_DoLog DEBUG
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CT_EndStep
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CT_DoLog INFO "Building environment variables"
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# This should go in buildToolchain.sh, but we might need it because it could
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# be used by the user in his/her paths definitions.
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# Target triplet: CT_TARGET needs a little love:
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case "${CT_ARCH_BE},${CT_ARCH_LE}" in
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y,) target_endian_eb=eb; target_endian_el=;;
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,y) target_endian_eb=; target_endian_el=el;;
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esac
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case "${CT_ARCH}" in
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arm) CT_TARGET="${CT_ARCH}${target_endian_eb}";;
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mips) CT_TARGET="${CT_ARCH}${target_endian_el}";;
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x86*) # Much love for this one :-(
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# Ultimately, we should use config.sub to output the correct
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# procesor name. Work for later...
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arch="${CT_ARCH_ARCH}"
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[ -z "${arch}" ] && arch="${CT_ARCH_TUNE}"
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case "${CT_ARCH}" in
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x86_64) CT_TARGET=x86_64;;
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*) case "${arch}" in
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"") CT_TARGET=i386;;
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i386|i486|i586|i686) CT_TARGET="${arch}";;
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winchip*) CT_TARGET=i486;;
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pentium|pentium-mmx|c3*) CT_TARGET=i586;;
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nocona|athlon*64|k8|athlon-fx|opteron) CT_TARGET=x86_64;;
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pentiumpro|pentium*|athlon*) CT_TARGET=i686;;
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*) CT_TARGET=i586;;
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esac;;
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esac;;
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esac
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case "${CT_TARGET_VENDOR}" in
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"") CT_TARGET="${CT_TARGET}-unknown";;
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*) CT_TARGET="${CT_TARGET}-${CT_TARGET_VENDOR}";;
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esac
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case "${CT_KERNEL}" in
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linux*) CT_TARGET="${CT_TARGET}-linux";;
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cygwin*) CT_TARGET="${CT_TARGET}-cygwin";;
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esac
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case "${CT_LIBC}" in
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glibc) CT_TARGET="${CT_TARGET}-gnu";;
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uClibc) CT_TARGET="${CT_TARGET}-uclibc";;
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esac
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CT_TARGET="`${CT_TOP_DIR}/tools/config.sub ${CT_TARGET}`"
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# Now, build up the variables from the user-configured options.
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CT_KERNEL_FILE="${CT_KERNEL}-${CT_KERNEL_VERSION}"
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CT_BINUTILS_FILE="binutils-${CT_BINUTILS_VERSION}"
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if [ "${CT_CC_USE_CORE}" != "y" ]; then
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CT_CC_CORE="${CT_CC}"
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CT_CC_CORE_VERSION="${CT_CC_VERSION}"
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CT_CC_CORE_EXTRA_CONFIG="${CT_CC_EXTRA_CONFIG}"
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fi
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CT_CC_CORE_FILE="${CT_CC_CORE}-${CT_CC_CORE_VERSION}"
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CT_CC_FILE="${CT_CC}-${CT_CC_VERSION}"
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CT_LIBC_FILE="${CT_LIBC}-${CT_LIBC_VERSION}"
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[ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] && CT_LIBFLOAT_FILE="libfloat-990616"
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# Kludge: If any of the configured options needs CT_TARGET or CT_TOP_DIR,
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# then rescan the options file now:
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. "${CT_TOP_DIR}/.config"
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# Determine build system if not set by the user
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CT_Test "You did not specify the build system. Guessing." -z "${CT_BUILD}"
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CT_BUILD="`${CT_TOP_DIR}/tools/config.sub \"${CT_BUILD:-\`${CT_TOP_DIR}/tools/config.guess\`}\"`"
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# Get rid of pre-existing installed toolchain and previous build directories.
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# We need to do that _before_ we can safely log, because the log file will
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# most probably be in the toolchain directory.
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if [ -d "${CT_PREFIX_DIR}" ]; then
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mv "${CT_PREFIX_DIR}" "${CT_PREFIX_DIR}.$$"
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nohup rm -rf "${CT_PREFIX_DIR}.$$" >/dev/null 2>&1 &
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fi
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mkdir -p "${CT_PREFIX_DIR}"
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if [ -d "${CT_BUILD_DIR}" ]; then
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mv "${CT_BUILD_DIR}" "${CT_BUILD_DIR}.$$"
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nohup rm -rf "${CT_BUILD_DIR}.$$" >/dev/null 2>&1 &
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fi
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mkdir -p "${CT_BUILD_DIR}"
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# Check now if we can write to the destination directory:
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if [ -d "${CT_PREFIX_DIR}" ]; then
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CT_TestAndAbort "Destination directory \"${CT_INSTALL_DIR}\" is not writeable" ! -w "${CT_PREFIX_DIR}"
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else
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mkdir -p "${CT_PREFIX_DIR}" || CT_Abort "Could not create destination directory \"${CT_PREFIX_DIR}\""
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fi
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# Redirect log to the actual log file now we can
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# It's quite understandable that the log file will be installed in the
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# install directory, so we must first ensure it exists and is writeable (above)
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# before we can log there
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t="${CT_ACTUAL_LOG_FILE}"
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case "${CT_LOG_TO_FILE},${CT_LOG_FILE}" in
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,*) CT_ACTUAL_LOG_FILE=/dev/null
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rm -f "${t}"
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;;
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y,/*) mkdir -p "`dirname \"${CT_LOG_FILE}\"`"
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CT_ACTUAL_LOG_FILE="${CT_LOG_FILE}"
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mv "${t}" "${CT_ACTUAL_LOG_FILE}"
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;;
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y,*) mkdir -p "`pwd`/`dirname \"${CT_LOG_FILE}\"`"
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CT_ACTUAL_LOG_FILE="`pwd`/${CT_LOG_FILE}"
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mv "${t}" "${CT_ACTUAL_LOG_FILE}"
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;;
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esac
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# Some more sanity checks now that we have all paths set up
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case "${CT_TARBALLS_DIR},${CT_SRC_DIR},${CT_BUILD_DIR},${CT_PREFIX_DIR},${CT_INSTALL_DIR}" in
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*" "*) CT_Abort "Don't use spaces in paths, it breaks things.";;
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esac
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# Note: we'll always install the core compiler in its own directory, so as to
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# not mix the two builds: core and final. Anyway, its generic, wether we use
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# a different compiler as core, or not.
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CT_CC_CORE_PREFIX_DIR="${CT_BUILD_DIR}/${CT_CC}-core"
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# Good, now grab a bit of informations on the system we're being run,
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# just in case something goes awok, and it's not our fault:
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CT_SYS_HOSTNAME=`hostname -f 2>/dev/null || true`
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# Hmmm. Some non-DHCP-enabled machines do not have an FQDN... Fall back to node name.
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CT_SYS_HOSTNAME="${CT_SYS_HOSTNAME:-`uname -n`}"
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CT_SYS_KERNEL=`uname -s`
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CT_SYS_REVISION=`uname -r`
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# MacOS X lacks '-o' :
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CT_SYS_OS=`uname -o || echo Unkown`
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CT_SYS_MACHINE=`uname -m`
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CT_SYS_PROCESSOR=`uname -p`
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CT_SYS_USER="`id -un`"
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CT_SYS_DATE=`CT_DoDate +%Y%m%d.%H%M%S`
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CT_SYS_GCC=`gcc -dumpversion`
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CT_TOOLCHAIN_ID="crosstool-${CT_VERSION} build ${CT_SYS_DATE} by ${CT_SYS_USER}@${CT_SYS_HOSTNAME} for ${CT_TARGET}"
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# renice oursleves
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renice ${CT_NICE} $$ |CT_DoLog DEBUG
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# Include sub-scripts instead of calling them: that way, we do not have to
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# export any variable, nor re-parse the configuration and functions files.
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. "${CT_TOP_DIR}/scripts/getExtractPatch.sh"
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. "${CT_TOP_DIR}/scripts/buildToolchain.sh"
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#. "${CT_TOP_DIR}/scripts/testToolchain.sh"
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if [ -n "${CT_TARGET_ALIAS}" ]; then
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CT_DoLog EXTRA "Creating symlinks from \"${CT_TARGET}-*\" to \"${CT_TARGET_ALIAS}-*\""
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CT_Pushd "${CT_PREFIX_DIR}/bin"
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for t in "${CT_TARGET}-"*; do
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_t="`echo \"$t\" |sed -r -e 's/^'\"${CT_TARGET}\"'-/'\"${CT_TARGET_ALIAS}\"'-/;'`"
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CT_DoLog DEBUG "Linking \"${_t}\" -> \"${t}\""
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ln -s "${t}" "${_t}"
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done
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CT_Popd
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fi
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if [ "${CT_REMOVE_DOCS}" = "y" ]; then
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CT_DoLog INFO "Removing installed documentation"
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rm -rf "${CT_PREFIX_DIR}/"{man,info}
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fi
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CT_STOP_DATE=`CT_DoDate +%s%N`
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CT_STOP_DATE_HUMAN=`CT_DoDate +%Y%m%d.%H%M%S`
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CT_DoLog INFO "Build completed at ${CT_STOP_DATE_HUMAN}"
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elapsed=$((CT_STOP_DATE-CT_STAR_DATE))
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elapsed_min=$((elapsed/(60*1000*1000*1000)))
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elapsed_sec=`printf "%02d" $(((elapsed%(60*1000*1000*1000))/(1000*1000*1000)))`
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elapsed_csec=`printf "%02d" $(((elapsed%(1000*1000*1000))/(10*1000*1000)))`
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CT_DoLog INFO "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
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# Restore a 'normal' color setting
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echo -en "${CT_NORMAL_COLOR}"
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trap - EXIT
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