yann@1: #!/bin/bash
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package.
yann@1: 
yann@1: # This is the main entry point to crosstool
yann@1: # This will:
yann@1: #   - download, extract and patch the toolchain components
yann@1: #   - build and install each components in turn
yann@1: #   - and eventually test the resulting toolchain
yann@1: 
yann@1: # What this file does is prepare the environment, based upon the user-choosen
yann@1: # options. It also checks the existing environment for un-friendly variables,
yann@1: # and checks for needed tools. It eventually calls the main build script.
yann@1: 
yann@1: # User must set CT_TOP_DIR in is environment!
yann@1: # Once we can build out-of-tree, then this will have to go.
yann@1: if [ -z "${CT_TOP_DIR}" -o ! -d "${CT_TOP_DIR}" ]; then
yann@1:     # We don't have the functions right now, because we don't have CT_TOP_DIR.
yann@1:     # Do the print stuff by hand:
yann@1:     echo "CT_TOP_DIR not set. You must set CT_TOP_DIR to the top directory where crosstool is installed."
yann@1:     exit 1
yann@1: fi
yann@1: 
yann@1: # Parse the common functions
yann@1: . "${CT_TOP_DIR}/scripts/functions"
yann@1: 
yann@1: CT_STAR_DATE=`CT_DoDate +%s%N`
yann@1: CT_STAR_DATE_HUMAN=`CT_DoDate +%Y%m%d.%H%M%S`
yann@1: 
yann@1: # Log to a temporary file until we have built our environment
yann@1: CT_ACTUAL_LOG_FILE="`pwd`/$$.log"
yann@1: 
yann@1: # CT_TOP_DIR should be an absolute path.
yann@1: CT_TOP_DIR="`CT_MakeAbsolutePath \"${CT_TOP_DIR}\"`"
yann@1: 
yann@1: # Parse the configuration file
yann@1: CT_TestOrAbort "Configuration file not found. Please create one." -f "${CT_TOP_DIR}/.config"
yann@1: . "${CT_TOP_DIR}/.config"
yann@1: 
yann@1: # The progress bar indicator is asked for
yann@1: if [ "${CT_LOG_PROGRESS_BAR}" = "y" ]; then
yann@1:     _CT_PROG_BAR() {
yann@1:         [ $((cpt/5)) -eq 0 ] && echo -en "/"
yann@1:         [ $((cpt/5)) -eq 1 ] && echo -en "-"
yann@1:         [ $((cpt/5)) -eq 2 ] && echo -en "\\"
yann@1:         [ $((cpt/5)) -eq 3 ] && echo -en "|"
yann@1:         echo -en "\r"
yann@1:         cpt=$(((cpt+1)%20))
yann@1:     }
yann@1:     CT_PROG_BAR=_CT_PROG_BAR
yann@1:     export -f _CT_PROG_BAR
yann@1: else
yann@1:     CT_PROG_BAR=
yann@1: fi
yann@1: 
yann@1: # Apply the color scheme if needed
yann@1: if [ "${CT_LOG_USE_COLORS}" = "y" ]; then
yann@1:     CT_ERROR_COLOR="${_A_NOR}${_A_BRI}${_F_RED}"
yann@1:     CT_WARN_COLOR="${_A_NOR}${_A_BRI}${_F_YEL}"
yann@1:     CT_INFO_COLOR="${_A_NOR}${_A_BRI}${_F_GRN}"
yann@1:     CT_EXTRA_COLOR="${_A_NOR}${_A_DIM}${_F_GRN}"
yann@1:     CT_DEBUG_COLOR="${_A_NOR}${_A_DIM}${_F_WHI}"
yann@1:     CT_NORMAL_COLOR="${_A_NOR}"
yann@1: else
yann@1:     CT_ERROR_COLOR=
yann@1:     CT_WARN_COLOR=
yann@1:     CT_INFO_COLOR=
yann@1:     CT_EXTRA_COLOR=
yann@1:     CT_DEBUG_COLOR=
yann@1:     CT_NORMAL_COLOR=
yann@1: fi
yann@1: 
yann@1: # Yes! We can do full logging from now on!
yann@1: CT_DoLog INFO "Build started ${CT_STAR_DATE_HUMAN}"
yann@1: 
yann@1: # Some sanity checks in the environment and needed tools
yann@1: CT_DoLog INFO "Checking environment sanity"
yann@1: 
yann@1: # Enable known ordering of files in directory listings:
yann@1: CT_Test "Crosstool-NG might not work as expected with LANG=\"${LANG}\"" -n "${LANG}"
yann@1: case "${LC_COLLATE},${LC_ALL}" in
yann@1:   # These four combinations are known to sort files in the correct order:
yann@1:   fr_FR*,)  ;;
yann@1:   en_US*,)  ;;
yann@1:   *,fr_FR*) ;;
yann@1:   *,en_US*) ;;
yann@1:   # Anything else is destined to be borked if not gracefuly handled:
yann@1:   *) CT_DoLog WARN "Either LC_COLLATE=\"${LC_COLLATE}\" or LC_ALL=\"${LC_ALL}\" is not supported."
yann@1:      export LC_ALL=`locale -a |egrep "^(fr_FR|en_US)" |head -n 1`
yann@1:      CT_TestOrAbort "Neither en_US* nor fr_FR* locales found on your system." -n "${LC_ALL}"
yann@1:      CT_DoLog WARN "Forcing to known working LC_ALL=\"${LC_ALL}\"."
yann@1:      ;;
yann@1: esac
yann@1: 
yann@1: # Other environment sanity checks
yann@1: CT_TestAndAbort "Don't set LD_LIBRARY_PATH. It screws up the build." -n "${LD_LIBRARY_PATH}"
yann@1: CT_TestAndAbort "Don't set CFLAGS. It screws up the build." -n "${CFLAGS}"
yann@1: CT_TestAndAbort "Don't set CXXFLAGS. It screws up the build." -n "${CXXFLAGS}"
yann@1: CT_Test "GREP_OPTIONS screws up the build. Resetting." -n "${GREP_OPTIONS}"
yann@1: GREP_OPTIONS=
yann@1: CT_HasOrAbort awk
yann@1: CT_HasOrAbort sed
yann@1: CT_HasOrAbort bison
yann@1: CT_HasOrAbort flex
yann@1: 
yann@1: CT_DoStep DEBUG "Dumping crosstool-NG configuration"
yann@1: cat ${CT_TOP_DIR}/.config |egrep '^(# |)CT_' |CT_DoLog DEBUG
yann@1: CT_EndStep
yann@1: 
yann@1: CT_DoLog INFO "Building environment variables"
yann@1: 
yann@1: # This should go in buildToolchain.sh, but we might need it because it could
yann@1: # be used by the user in his/her paths definitions.
yann@1: # Target triplet: CT_TARGET needs a little love:
yann@1: case "${CT_ARCH_BE},${CT_ARCH_LE}" in
yann@1:     y,) target_endian_eb=eb; target_endian_el=;;
yann@1:     ,y) target_endian_eb=; target_endian_el=el;;
yann@1: esac
yann@1: case "${CT_ARCH}" in
yann@1:     arm)  CT_TARGET="${CT_ARCH}${target_endian_eb}";;
yann@1:     mips) CT_TARGET="${CT_ARCH}${target_endian_el}";;
yann@1:     x86*) # Much love for this one :-(
yann@1:           # Ultimately, we should use config.sub to output the correct
yann@1:           # procesor name. Work for later...
yann@1:           arch="${CT_ARCH_ARCH}"
yann@1:           [ -z "${arch}" ] && arch="${CT_ARCH_TUNE}"
yann@1:           case "${CT_ARCH}" in
yann@1:               x86_64)      CT_TARGET=x86_64;;
yann@1:           	  *)  case "${arch}" in
yann@1:                       "")                                       CT_TARGET=i386;;
yann@1:                       i386|i486|i586|i686)                      CT_TARGET="${arch}";;
yann@1:                       winchip*)                                 CT_TARGET=i486;;
yann@1:                       pentium|pentium-mmx|c3*)                  CT_TARGET=i586;;
yann@1:                       nocona|athlon*64|k8|athlon-fx|opteron)    CT_TARGET=x86_64;;
yann@1:                       pentiumpro|pentium*|athlon*)              CT_TARGET=i686;;
yann@1:                       *)                                        CT_TARGET=i586;;
yann@1:                   esac;;
yann@1:           esac;;
yann@1: esac
yann@1: case "${CT_TARGET_VENDOR}" in
yann@1:     "") CT_TARGET="${CT_TARGET}-unknown";;
yann@1:     *)  CT_TARGET="${CT_TARGET}-${CT_TARGET_VENDOR}";;
yann@1: esac
yann@1: case "${CT_KERNEL}" in
yann@1:     linux*)  CT_TARGET="${CT_TARGET}-linux";;
yann@1:     cygwin*) CT_TARGET="${CT_TARGET}-cygwin";;
yann@1: esac
yann@1: case "${CT_LIBC}" in
yann@1:     glibc)  CT_TARGET="${CT_TARGET}-gnu";;
yann@1:     uClibc) CT_TARGET="${CT_TARGET}-uclibc";;
yann@1: esac
yann@46: case "${CT_ARCH_ABI}" in
yann@46:     eabi)   CT_TARGET="${CT_TARGET}eabi";;
yann@46: esac
yann@1: CT_TARGET="`${CT_TOP_DIR}/tools/config.sub ${CT_TARGET}`"
yann@1: 
yann@1: # Now, build up the variables from the user-configured options.
yann@1: CT_KERNEL_FILE="${CT_KERNEL}-${CT_KERNEL_VERSION}"
yann@1: CT_BINUTILS_FILE="binutils-${CT_BINUTILS_VERSION}"
yann@1: if [ "${CT_CC_USE_CORE}" != "y" ]; then
yann@1:     CT_CC_CORE="${CT_CC}"
yann@1:     CT_CC_CORE_VERSION="${CT_CC_VERSION}"
yann@1:     CT_CC_CORE_EXTRA_CONFIG="${CT_CC_EXTRA_CONFIG}"
yann@1: fi
yann@1: CT_CC_CORE_FILE="${CT_CC_CORE}-${CT_CC_CORE_VERSION}"
yann@1: CT_CC_FILE="${CT_CC}-${CT_CC_VERSION}"
yann@1: CT_LIBC_FILE="${CT_LIBC}-${CT_LIBC_VERSION}"
yann@1: [ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] && CT_LIBFLOAT_FILE="libfloat-990616"
yann@1: 
yann@1: # Kludge: If any of the configured options needs CT_TARGET or CT_TOP_DIR,
yann@1: # then rescan the options file now:
yann@1: . "${CT_TOP_DIR}/.config"
yann@1: 
yann@1: # Determine build system if not set by the user
yann@1: CT_Test "You did not specify the build system. Guessing." -z "${CT_BUILD}"
yann@1: CT_BUILD="`${CT_TOP_DIR}/tools/config.sub \"${CT_BUILD:-\`${CT_TOP_DIR}/tools/config.guess\`}\"`"
yann@1: 
yann@1: # Get rid of pre-existing installed toolchain and previous build directories.
yann@1: # We need to do that _before_ we can safely log, because the log file will
yann@1: # most probably be in the toolchain directory.
yann@1: if [ -d "${CT_PREFIX_DIR}" ]; then
yann@1:     mv "${CT_PREFIX_DIR}" "${CT_PREFIX_DIR}.$$"
yann@1:     nohup rm -rf "${CT_PREFIX_DIR}.$$" >/dev/null 2>&1 &
yann@1: fi
yann@1: mkdir -p "${CT_PREFIX_DIR}"
yann@1: if [ -d "${CT_BUILD_DIR}" ]; then
yann@1:     mv "${CT_BUILD_DIR}" "${CT_BUILD_DIR}.$$"
yann@1:     nohup rm -rf "${CT_BUILD_DIR}.$$" >/dev/null 2>&1 &
yann@1: fi
yann@1: mkdir -p "${CT_BUILD_DIR}"
yann@1: 
yann@1: # Check now if we can write to the destination directory:
yann@1: if [ -d "${CT_PREFIX_DIR}" ]; then
yann@1:     CT_TestAndAbort "Destination directory \"${CT_INSTALL_DIR}\" is not writeable" ! -w "${CT_PREFIX_DIR}"
yann@1: else
yann@1:     mkdir -p "${CT_PREFIX_DIR}" || CT_Abort "Could not create destination directory \"${CT_PREFIX_DIR}\""
yann@1: fi
yann@1: 
yann@1: # Redirect log to the actual log file now we can
yann@1: # It's quite understandable that the log file will be installed in the
yann@1: # install directory, so we must first ensure it exists and is writeable (above)
yann@1: # before we can log there
yann@1: t="${CT_ACTUAL_LOG_FILE}"
yann@1: case "${CT_LOG_TO_FILE},${CT_LOG_FILE}" in
yann@1:     ,*)   CT_ACTUAL_LOG_FILE=/dev/null
yann@1:           rm -f "${t}"
yann@1:           ;;
yann@1:     y,/*) mkdir -p "`dirname \"${CT_LOG_FILE}\"`"
yann@1:           CT_ACTUAL_LOG_FILE="${CT_LOG_FILE}"
yann@1:           mv "${t}" "${CT_ACTUAL_LOG_FILE}"
yann@1:           ;;
yann@1:     y,*)  mkdir -p "`pwd`/`dirname \"${CT_LOG_FILE}\"`"
yann@1:           CT_ACTUAL_LOG_FILE="`pwd`/${CT_LOG_FILE}"
yann@1:           mv "${t}" "${CT_ACTUAL_LOG_FILE}"
yann@1:           ;;
yann@1: esac
yann@1: 
yann@1: # Some more sanity checks now that we have all paths set up
yann@1: case "${CT_TARBALLS_DIR},${CT_SRC_DIR},${CT_BUILD_DIR},${CT_PREFIX_DIR},${CT_INSTALL_DIR}" in
yann@1:     *" "*) CT_Abort "Don't use spaces in paths, it breaks things.";;
yann@1: esac
yann@1: 
yann@1: # Note: we'll always install the core compiler in its own directory, so as to
yann@1: # not mix the two builds: core and final. Anyway, its generic, wether we use
yann@1: # a different compiler as core, or not.
yann@1: CT_CC_CORE_PREFIX_DIR="${CT_BUILD_DIR}/${CT_CC}-core"
yann@1: 
yann@1: # Good, now grab a bit of informations on the system we're being run,
yann@1: # just in case something goes awok, and it's not our fault:
yann@1: CT_SYS_HOSTNAME=`hostname -f 2>/dev/null || true`
yann@1: # Hmmm. Some non-DHCP-enabled machines do not have an FQDN... Fall back to node name.
yann@1: CT_SYS_HOSTNAME="${CT_SYS_HOSTNAME:-`uname -n`}"
yann@1: CT_SYS_KERNEL=`uname -s`
yann@1: CT_SYS_REVISION=`uname -r`
yann@1: # MacOS X lacks '-o' :
yann@1: CT_SYS_OS=`uname -o || echo Unkown`
yann@1: CT_SYS_MACHINE=`uname -m`
yann@1: CT_SYS_PROCESSOR=`uname -p`
yann@1: CT_SYS_USER="`id -un`"
yann@1: CT_SYS_DATE=`CT_DoDate +%Y%m%d.%H%M%S`
yann@1: CT_SYS_GCC=`gcc -dumpversion`
yann@1: CT_TOOLCHAIN_ID="crosstool-${CT_VERSION} build ${CT_SYS_DATE} by ${CT_SYS_USER}@${CT_SYS_HOSTNAME} for ${CT_TARGET}"
yann@1: 
yann@1: # renice oursleves
yann@1: renice ${CT_NICE} $$ |CT_DoLog DEBUG
yann@1: 
yann@1: # Include sub-scripts instead of calling them: that way, we do not have to
yann@1: # export any variable, nor re-parse the configuration and functions files.
yann@1: . "${CT_TOP_DIR}/scripts/getExtractPatch.sh"
yann@1: . "${CT_TOP_DIR}/scripts/buildToolchain.sh"
yann@1: #. "${CT_TOP_DIR}/scripts/testToolchain.sh"
yann@1: 
yann@1: if [ -n "${CT_TARGET_ALIAS}" ]; then
yann@1:     CT_DoLog EXTRA "Creating symlinks from \"${CT_TARGET}-*\" to \"${CT_TARGET_ALIAS}-*\""
yann@1:     CT_Pushd "${CT_PREFIX_DIR}/bin"
yann@1:     for t in "${CT_TARGET}-"*; do
yann@1:         _t="`echo \"$t\" |sed -r -e 's/^'\"${CT_TARGET}\"'-/'\"${CT_TARGET_ALIAS}\"'-/;'`"
yann@1:         CT_DoLog DEBUG "Linking \"${_t}\" -> \"${t}\""
yann@1:         ln -s "${t}" "${_t}"
yann@1:     done
yann@1:     CT_Popd
yann@1: fi
yann@1: 
yann@14: if [ "${CT_REMOVE_DOCS}" = "y" ]; then
yann@14: 	CT_DoLog INFO "Removing installed documentation"
yann@14:     rm -rf "${CT_PREFIX_DIR}/"{man,info}
yann@14: fi
yann@14: 
yann@1: CT_STOP_DATE=`CT_DoDate +%s%N`
yann@1: CT_STOP_DATE_HUMAN=`CT_DoDate +%Y%m%d.%H%M%S`
yann@1: CT_DoLog INFO "Build completed at ${CT_STOP_DATE_HUMAN}"
yann@1: elapsed=$((CT_STOP_DATE-CT_STAR_DATE))
yann@1: elapsed_min=$((elapsed/(60*1000*1000*1000)))
yann@1: elapsed_sec=`printf "%02d" $(((elapsed%(60*1000*1000*1000))/(1000*1000*1000)))`
yann@1: elapsed_csec=`printf "%02d" $(((elapsed%(1000*1000*1000))/(10*1000*1000)))`
yann@1: CT_DoLog INFO "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
yann@1: 
yann@1: # Restore a 'normal' color setting
yann@1: echo -en "${CT_NORMAL_COLOR}"
yann@1: 
yann@1: trap - EXIT