mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-23 22:52:23 +00:00
641 lines
20 KiB
Bash
Executable File
641 lines
20 KiB
Bash
Executable File
#!/bin/sh
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myname="${0##*/}"
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VERSION=$( cat .version )
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DATE=$( date +%Y%m%d )
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PREFIX_DEFAULT=/usr/local
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BINDIR_set=
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LIBDIR_set=
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DOCDIR_set=
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MANDIR_set=
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LOCAL_set=
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FORCE=
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do_quit=
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# Simply print the error message, and exit. Obvious, he?
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do_error() {
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printf "${myname}: ${@}\n"
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exit 1
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}
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# Given an option string and the following argument,
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# echoes the value of the option.
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# If --var=val => echoes val and returns 0, meaning second arg was not consumed
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# If --var val => echoes val and returns non null, meaning second arg was used
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get_optval(){
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case "$1" in
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--*=?*)
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printf "${1#*=}"
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return 0
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;;
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*)
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printf "${2}"
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return 1
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;;
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esac
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}
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# The set_xxx functions will set the corresponding configuration variable
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# They return 0 if second arg was not consumed, and non-zero if it was consumed.
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set_prefix() {
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PREFIX="$( get_optval "$1" "$2" )"
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}
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set_bindir() {
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BINDIR_set=1
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BINDIR="$( get_optval "$1" "$2" )"
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}
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set_libdir() {
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LIBDIR_set=1
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LIBDIR="$( get_optval "$1" "$2" )"
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}
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set_docdir() {
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DOCDIR_set=1
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DOCDIR="$( get_optval "$1" "$2" )"
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}
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set_mandir() {
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MANDIR_set=1
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MANDIR="$( get_optval "$1" "$2" )"
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}
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set_tool() {
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local var_name="${1%%=*}"
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var_name="${var_name#--with-}"
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eval ${var_name}="\$( get_optval "$1" "$2" )"
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}
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# var_list is a list of variables, each one holding a path to a
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# tool, either detected by ./configure, or specified by the user.
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var_list=""
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kconfig_list=""
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# This function adds a variable name to the above list of variable names.
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# $1: the name of the variable to add to the list
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add_to_var_list() {
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local v
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for v in ${var_list}; do
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[ "${v}" = "${1}" ] && return 0
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done
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var_list="${var_list} ${1}"
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}
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add_to_kconfig_list() {
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local k
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for k in ${kconfig_list}; do
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[ "${k}" = "${1}" ] && return 0
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done
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kconfig_list="${kconfig_list} ${1}"
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}
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# A function to test for required tools/headers/libraries
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# Return 0 (true) if found, !0 (false) if not found
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#
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# $*: [prog|inc|lib]=<name[ name...]>
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# the name(s) of tool(s) to test for
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# mandatory
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# eg: prog=bash prog="curl wget"
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# $*: var=<var_name>
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# the name of the variable to test and set
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# optional
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# eg: var=bash if ${bash} is set and non-null, use that,
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# else check for bash and set bash=$(which bash)
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# $*: ver=<regexp>
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# for each 'prog', test if $(prog --version) matches 'regexp'
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# optional
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# eg: ver='^GNU bash, version [34]\.'
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# $*: lib_exts=<extension[ extension...]>
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# the list of allowed library extension
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# mandatory
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# eg: lib_exts="so dylib" lib_exts="so dylib a"
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# $*: err=<error_message>
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# the error message to print if tool is missing
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# optional, defaults to: '${prog}: none found'
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# eg: err="'bash' 3.x or above was not found"
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# Note: err may be printed by caller, not us
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# $*: kconfig=<var_name>
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# the name of a variable to pass down to kconfig if
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# the prog/inc/lib was found
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# optional, defaults to none
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# eg: kconfig=has_libncurses
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# $*: skip=[y|n|]
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# if set to 'y', skip the test, but still register the
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# kconfig and var variables; if 'n' or empty, do the
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# test.
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# optional, default to 'n'
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# eg: skip="${static_link_ko}"
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check_for() {
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local lib_exts
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local skip
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local val
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local item
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local where
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local status
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local ext
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# Note: prog/inc/lib and var/kconfig/ver/err are set here,
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# but declared by the caller (because it needs it)
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for item in "${@}"; do
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case "${item}" in
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prog=*|inc=*|lib=*|var=*|ver=*|err=*|kconfig=*|lib_exts=*|skip=*)
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eval ${item%%=*}=\"${item#*=}\"
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;;
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*) do_error "check_for: incorrect parameters: '${item}'";;
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esac
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done
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case "${prog}:${inc}:${lib}" in
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?*:?*:|?*::?*|:?*:?*|?*:?*:?*)
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if [ -n "${var}" ]; then
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do_error "check_for: the use of var is not compatible with passing several of [prog|inc|lib] at once"
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fi
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;;
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::) do_error "check_for: [prog|inc|lib] is mandatory";;
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esac
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if [ -n "${var}" ]; then
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add_to_var_list "${var}"
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fi
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if [ -n "${kconfig}" ]; then
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add_to_kconfig_list "${kconfig}"
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fi
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if [ "${skip}" = "y" ]; then
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return 0
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fi
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if [ -n "${prog}" ]; then
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for item in ${prog}; do
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printf "Checking for '${item}'... "
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if [ -n "${var}" ]; then
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eval val="\${${var}}"
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if [ -n "${val}" ]; then
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status="${val} (cached)\n"
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break
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fi
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fi
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where="$( which "${item}" 2>/dev/null )"
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if [ -z "${where}" ]; then
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printf "no\n"
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continue
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elif [ -n "${ver}" ]; then
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str=$( LC_ALL=C "${where}" --version 2>&1 \
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|grep -E "${ver}" \
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|head -n 1
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)
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if [ -z "${str}" ]; then
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printf "no\n"
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unset where
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continue
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fi
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fi
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status="${where}"
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break
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done
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if [ -z "${status}" ]; then
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return 1
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fi
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printf "${status}\n"
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unset status
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fi
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if [ -n "${inc}" ]; then
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for item in ${inc}; do
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printf "Checking for '${item}'... "
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if printf "#include \"${item}\"" |gcc -x c -c - -o /dev/null >/dev/null 2>&1; then
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where="${item}"
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status=yes
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break;
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fi
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printf "no\n"
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done
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if [ -z "${status}" ]; then
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return 1
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fi
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printf "${status}\n"
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unset status
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fi
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if [ -n "${lib}" ]; then
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if [ -z "${lib_exts}" ]; then
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do_error "check_for: no library extension specified for '${lib}'"
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fi
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for item in ${lib}; do
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for ext in ${lib_exts}; do
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printf "Checking for '${item}.${ext}'... "
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where="$( gcc -print-file-name="${item}.${ext}" )"
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if [ "${where}" != "${item}.${ext}" ]; then
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where="$( readlink "${where}" )"
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status=yes
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break 2;
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fi
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printf "no\n"
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done
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done
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if [ -z "${status}" ]; then
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return 1
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fi
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printf "${status}\n"
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unset status
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fi
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if [ -n "${var}" ]; then
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eval ${var}='"'"${where}"'"'
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fi
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if [ -n "${kconfig}" ]; then
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eval ${kconfig}=y
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fi
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}
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# This function checks for a tool, and aborts if not found
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# See check_for(), above, for how to call has_or_abort
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has_or_abort() {
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# We declare these 6 variables here, although they are
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# set in check_for(), called below
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local prog inc lib
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local var ver err kconfig
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if ! check_for "$@"; then
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printf " * A mandatory dependency is missing, or version mis-match:\n"
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printf " * - ${err:-${prog}${inc}${lib}: none found}\n"
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if [ -n "${var}" ]; then
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printf " * --> You can give the path to this tool using: --with-${var}=PATH\n"
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fi
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printf "\n"
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# Bail out if --force is not specified
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[ -z "${FORCE}" ] && do_error "Bailing out..."
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printf "<* *>\n"
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printf "<* FORCE in action: *>\n"
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printf "<* Continuing despite missing pre-requisite *>\n"
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printf "<* Prepare for breakage *>\n"
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printf "<* *>\n"
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printf "\n"
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fi
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}
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# This function checks for a tool, and warns if not found
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# See check_for(), above, for how to call has_or_abort
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# Note: if err is not set, then no error message is printed
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has_or_warn() {
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# We declare these 6 variables here, although they are
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# set in check_for(), called below
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local prog inc lib
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local var ver err kconfig
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if ! check_for "$@"; then
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printf " * An optional dependency is missing, some features will be disabled"
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printf "${err:+:\n * - ${err}}\n"
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if [ -n "${var}" ]; then
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printf " * --> You can give the path to this tool using: --with-${var}=PATH\n"
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fi
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fi
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}
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do_help() {
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cat <<__EOF__
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\`configure' configures crosstool-NG-${VERSION} to adapt to many kind of systems.
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USAGE: ./configure [OPTION]...
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Defaults for the options are specified in brackets.
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Configuration:
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-h, --help display this help and exit
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--force force configure to continue, even in case
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some pre-requisites are missing
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Installation directories:
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--prefix=PREFIX install files in PREFIX [${PREFIX_DEFAULT}]
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--local don't install, and use current directory
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By default, \`make install' will install all the files in
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\`${PREFIX_DEFAULT}/bin', \`${PREFIX_DEFAULT}/lib' etc. You can specify
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an installation prefix other than \`${PREFIX_DEFAULT}' using \`--prefix',
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for instance \`--prefix=\${HOME}'.
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For better control, use the options below.
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Fine tuning of the installation directories:
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--bindir=DIR user executables [PREFIX/bin]
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--libdir=DIR object code libraries [PREFIX/lib]
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--docdir=DIR info documentation [PREFIX/share/doc]
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--mandir=DIR man documentation [PREFIX/share/man]
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Optional Features:
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--with-install=PATH Specify the full PATH to GNU install
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--with-make=PATH Specify the full PATH to GNU make >= 3.80
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--with-grep=PATH Specify the full PATH to GNU grep
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--with-sed=PATH Specify the full PATH to GNU sed
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--with-bash=PATH Specify the full PATH to bash >= 3.0
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__EOF__
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}
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#---------------------------------------------------------------------
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# Set user's options
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while [ $# -ne 0 ]; do
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case "$1" in
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--local) LOCAL_set="y"; shift;;
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--prefix*) set_prefix "$1" "$2" && shift || shift 2;;
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--bindir*) set_bindir "$1" "$2" && shift || shift 2;;
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--libdir*) set_libdir "$1" "$2" && shift || shift 2;;
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--docdir*) set_docdir "$1" "$2" && shift || shift 2;;
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--mandir*) set_mandir "$1" "$2" && shift || shift 2;;
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--with-*) set_tool "$1" "$2" && shift || shift 2;;
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--force) FORCE=1; shift;;
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--help|-h) do_help; exit 0;;
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# Skip, auto-stuff compatibility
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--build=*|--host=*|--infodir=*|--datadir=*|--sysconfdir=*|--localstatedir=*) shift;;
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--build|--host|--infodir|--datadir|--sysconfdir|--localstatedir) shift 2;;
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*) printf "Unrecognised option: '${1}'\n"; do_help; exit 1;;
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esac
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done
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# Use defaults
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[ -z "${PREFIX}" ] && set_prefix "" "${PREFIX_DEFAULT}"
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# Special case when installing locally
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if [ "${LOCAL_set}" = "y" ]; then
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set_prefix "" "$( pwd )"
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set_bindir "" "$( pwd )"
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set_libdir "" "$( pwd )"
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set_docdir "" "$( pwd )/docs"
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set_mandir "" "$( pwd )/docs"
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fi
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#---------------------------------------------------------------------
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# Some sanity checks, now
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# We check for grep and sed manually, because they are used in check_for()
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printf "Checking for 'grep'... "
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if [ -n "${grep}" ]; then
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printf "${grep} (cached)\n"
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else
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grep="$( which grep 2>/dev/null )"
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if [ -z "${grep}" ]; then
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printf "not found\n"
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else
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printf "${grep}\n"
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printf "Checking whether '${grep}' supports -E... "
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if echo 'foo' |"${grep}" -E 'foo' >/dev/null 2>&1; then
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printf "yes\n"
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else
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printf "no\n"
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grep=
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fi
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fi
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fi
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if [ -z "${grep}" ]; then
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printf "Either you are missing entirely the needed tool,\n"
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printf "or the version you have is too old.\n"
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printf "You can give the path to this tool using: --with-grep=PATH\n"
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do_error "Bailing out..."
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fi
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add_to_var_list grep
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printf "Checking for 'sed'... "
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if [ -n "${sed}" ]; then
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printf "${sed} (cached)\n"
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else
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sed="$( which sed 2>/dev/null )"
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if [ -z "${sed}" ]; then
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printf "not found\n"
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else
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printf "${sed}\n"
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printf "Checking whether '${sed}' supports -i and -e... "
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touch .ct-ng.sed.test
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if "${sed}" -r -i -e 's/foo/bar/' .ct-ng.sed.test >/dev/null 2>&1; then
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printf "yes\n"
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else
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printf "no\n"
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sed=
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fi
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rm -f .ct-ng.sed.test
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fi
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fi
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if [ -z "${sed}" ]; then
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printf "Either you are missing entirely the needed tool,\n"
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printf "or the version you have is too old.\n"
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printf "You can give the path to this tool using: --with-sed=PATH\n"
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do_error "Bailing out..."
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fi
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add_to_var_list sed
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# The regular list of tools we can now easily check for
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has_or_abort prog=bash \
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var=bash \
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ver='^GNU bash, version (3\.[1-9]|4)' \
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err="'bash' 3.1 or above was not found"
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has_or_abort prog=cut
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has_or_abort prog=install var=install
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has_or_abort prog=make \
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var=make \
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ver='^GNU Make (3.[89][[:digit:]]|[4-9])' \
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err="GNU 'make' 3.80 or above was not found"
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has_or_abort prog=gcc
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has_or_abort prog="awk gawk" ver='^GNU Awk' err="GNU 'awk' was not found"
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has_or_abort prog=bison
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has_or_abort prog=flex
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has_or_abort prog=makeinfo
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has_or_abort prog=automake \
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ver='\(GNU automake\) (1\.[[:digit:]]{2,}|[2-9][[:digit:]]*\.)' \
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err="'automake' 1.10 or above was not found"
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has_or_abort prog=libtool \
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var=libtool \
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ver='\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)' \
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err="'libtool' 1.5.26 or above was not found"
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has_or_abort prog=stat
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has_or_abort prog="curl wget"
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has_or_abort prog=cvs
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has_or_abort prog=patch
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has_or_abort prog=tar
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has_or_abort prog=gzip
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has_or_abort prog=bzip2
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has_or_abort prog=lzma
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has_or_abort prog=readlink
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has_or_abort prog=objcopy var=objcopy
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has_or_abort prog=objdump var=objdump
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has_or_abort prog=readelf var=readelf
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has_or_abort prog=patch var=patch
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# Host system checks
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printf "Checking for host system... "
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host="$( uname -s )"
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printf "%s\n" "${host}"
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case "${host}" in
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Linux) ;;
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Cygwin) ;;
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*)
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printf " * Runing under %s is not fully tested\n" "${host}"
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printf " * You may encounter some weird behavior\n"
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;;
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esac
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printf "Checking if static linking is possible... "
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static_link_ok=""
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case "${host}" in
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Darwin) ;;
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*) tmp=.static.tmp
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if gcc -xc - -static -o "${tmp}" >/dev/null 2>&1<<-_EOF_
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int main() { return 0; }
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_EOF_
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then
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static_link_ok="y"
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fi
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rm -f "${tmp}"
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;;
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esac
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if [ "${static_link_ok}" = "y" ]; then
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static_link_ko=""
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printf "yes\n"
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else
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static_link_ko="y"
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printf "no\n"
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printf " * An optional host feature is missing, some features will be disabled:\n"
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printf " * - It will not be possible to statically link toolchain's binaries\n"
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fi
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add_to_kconfig_list static_link_ok
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# Library checks
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libs_exts="so dylib"
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if [ "${static_link_ok}" = "y" ]; then
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libs_exts+=" a"
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fi
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ncurses_hdrs="ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h"
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ncurses_libs="libncursesw libncurses libcurses"
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has_or_abort lib="${ncurses_libs}" \
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lib_exts="${libs_exts}" \
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|
inc="${ncurses_hdrs}" \
|
|
err="The 'ncurses' library is needed fo the menuconfig frontend"
|
|
|
|
has_or_abort lib="libstdc++" \
|
|
lib_exts="${libs_exts}" \
|
|
err="The 'libstdc++' library is needed to build gcc"
|
|
|
|
# Yes, we may be checking twice for libstdc++.a
|
|
# The first is because we need one instance of libstdc++ (shared or static)
|
|
# because it is needed for PPL; the second is because the static version is
|
|
# required for static-linking, and if missing, the option is removed.
|
|
has_or_warn lib="libstdc++" \
|
|
lib_exts="a" \
|
|
err="static 'libstdc++' is needed to statically link the toolchain's executables" \
|
|
kconfig=has_static_libstdcxx \
|
|
skip="${static_link_ko}"
|
|
|
|
has_or_warn inc="expat.h" \
|
|
lib="libexpat" \
|
|
lib_exts="${libs_exts}" \
|
|
err="The 'expat' header file and library are needed to link cross-gdb's executables" \
|
|
kconfig=has_expat
|
|
|
|
# Yes, we may be checking twice for libexpat.a
|
|
# The first is because we need one instance of libexpat (shared or static)
|
|
# because it is needed for cross-gdb; the second is because the static version
|
|
# is required for static-linking, and if missing, the option is removed.
|
|
has_or_warn lib="libexpat" \
|
|
lib_exts="a" \
|
|
err="static 'expat' is needed to statically link cross-gdb's executables" \
|
|
kconfig=has_static_expat \
|
|
skip="${static_link_ko}"
|
|
|
|
for v in 7 6 5 4; do
|
|
python_incs="${python_incs} python2.${v}/Python.h"
|
|
python_libs="${python_libs} libpython2.${v}"
|
|
done
|
|
has_or_warn inc="${python_incs}" \
|
|
lib="${python_libs}" \
|
|
lib_exts="${libs_exts}" \
|
|
err="The 'python' header file and library are needed for some features of cross-gdb"
|
|
|
|
#---------------------------------------------------------------------
|
|
# Compute the version string
|
|
|
|
# If this version is n hg clone, try to get the revision number
|
|
# If we can't get the revision number, use date
|
|
printf "\nComputing version string... "
|
|
case "${VERSION}" in
|
|
*+hg|hg)
|
|
REVISION="$( hg id -n 2>/dev/null || true )"
|
|
case "${REVISION}" in
|
|
"")
|
|
VERSION="${VERSION}_unknown@$( date +%Y%m%d.%H%M%S )";;
|
|
*)
|
|
VERSION="${VERSION}_$( hg id -b )@${REVISION%%+}_$( hg id -i )"
|
|
;;
|
|
esac
|
|
# Arrange to have no / in the directory name, no need to create an
|
|
# arbitrarily deep directory structure
|
|
VERSION="$( printf "${VERSION}\n" |"${sed}" -r -e 's|/+|_|g;' )"
|
|
;;
|
|
esac
|
|
printf "${VERSION}\n"
|
|
|
|
#---------------------------------------------------------------------
|
|
# Compute and check install paths
|
|
|
|
# Now we have the version string, we can build up the paths
|
|
[ -z "${BINDIR_set}" ] && BINDIR="${PREFIX}/bin"
|
|
[ -z "${LIBDIR_set}" ] && LIBDIR="${PREFIX}/lib"
|
|
[ -z "${DOCDIR_set}" ] && DOCDIR="${PREFIX}/share/doc"
|
|
[ -z "${MANDIR_set}" ] && MANDIR="${PREFIX}/share/man"
|
|
|
|
# Install support files in our own sub-dir, so as not to mangle (system)
|
|
# files and dirs, but only if not --local
|
|
if [ -z "${LOCAL_set}" ]; then
|
|
LIBDIR="${LIBDIR}/ct-ng-${VERSION}"
|
|
DOCDIR="${DOCDIR}/ct-ng-${VERSION}"
|
|
fi
|
|
|
|
# Check that install PATHs are absolute
|
|
for p in BIN LIB DOC MAN; do
|
|
var="${p}DIR"
|
|
eval v='"${'"${var}"'}"'
|
|
case "${v}" in
|
|
/*) ;;
|
|
*) do_error "'${var}' is not an absolute path: '${v}'"
|
|
esac
|
|
done
|
|
|
|
#---------------------------------------------------------------------
|
|
# That's all, folks!
|
|
|
|
printf "Building up Makefile... "
|
|
var_sed="$( for var_name in ${var_list}; do
|
|
eval echo 's,@@${var_name}@@,${'"${var_name}"'},g'
|
|
done
|
|
)"
|
|
kconfig_sed="s/@@KCONFIG@@/$( for k_name in ${kconfig_list}; do
|
|
eval printf \"${k_name}=\${${k_name}} \"
|
|
done
|
|
)/"
|
|
"${sed}" -r -e "s,@@BINDIR@@,${BINDIR},g" \
|
|
-e "s,@@LIBDIR@@,${LIBDIR},g" \
|
|
-e "s,@@DOCDIR@@,${DOCDIR},g" \
|
|
-e "s,@@MANDIR@@,${MANDIR},g" \
|
|
-e "s,@@VERSION@@,${VERSION},g" \
|
|
-e "s,@@DATE@@,${DATE},g" \
|
|
-e "s,@@LOCAL@@,${LOCAL_set},g" \
|
|
-e "${var_sed}" \
|
|
-e "${kconfig_sed}" \
|
|
Makefile.in \
|
|
>Makefile
|
|
echo "done"
|
|
|
|
cat <<__EOF__
|
|
|
|
crosstool-NG configured as follows:
|
|
PREFIX='${PREFIX}'
|
|
BINDIR='${BINDIR}'
|
|
LIBDIR='${LIBDIR}'
|
|
DOCDIR='${DOCDIR}'
|
|
MANDIR='${MANDIR}'
|
|
|
|
Now run:
|
|
make
|
|
__EOF__
|
|
if [ "${LOCAL_set}" != "y" ]; then
|
|
printf " make install\n"
|
|
fi
|