yann@182: #!/bin/sh yann@182: yann@1105: VERSION=$( cat .version ) yann@1105: DATE=$( date +%Y%m%d ) yann@182: yann@673: # All absolutely required tools, one per line to ease diff. yann@673: # See function 'has_or_abort, below, for syntax yann@673: # - Hopefully, if gcc is present, then all associated tools will be yann@673: # - awk must be GNU awk yann@673: # - makeinfo for building docs, even if discarded later on yann@673: # - others obvious... :-/ yann@876: # yann@876: # Format of a pattern to check for, one per line: yann@876: # pattern := tool_test OR pattern|tool_test yann@1105: # tool_test := tool=regexp OR tool yann@1105: # tool := basename of the tool OR absolute pathname to the tool yann@1105: # regexp := valid grep(1) extended regular expression, $( tool --version) yann@1105: # will be matched against this regexp. yann@876: # yann@876: # In case a pattern list is given (eg foo|bar|buz), then tests are performed yann@876: # from left to right, stopping at the first matching test (like the shell yann@876: # would parse 'foo || bar || buz' ). yann@876: # yann@876: # Examples: yann@1105: # /bin/bash=^GNU bash, version 3\. yann@1105: # will ensure that /bin/bash exists, and that $( /bin/bash --version ) yann@876: # matches the regexp '^GNU bash, version 3\.' yann@1105: # autoconf=(GNU Autoconf)|autoconf2.50 yann@876: # will ensure that: yann@1105: # - 'autoconf' is to be found in the PATH, and that $( autoconf --version ) yann@1105: # matches the regexp '(GNU Autoconf)' (which btw is the signature of yann@1105: # autoconf >= 2.50), yann@876: # OR that: yann@876: # - 'autoconf2.50' is to be found in the PATH yann@876: # yann@673: TOOLS_TO_CHECK=' yann@1105: /bin/bash=^GNU bash, version 3\. yann@1105: make=^GNU Make yann@1105: gcc yann@1105: gawk=^GNU Awk yann@1105: sed yann@1105: bison yann@1105: flex yann@1105: makeinfo yann@1105: automake=\(GNU automake\) [[:digit:]]+\.[[:digit:]]{2,}|automake=\(GNU automake\) [2-9][[:digit:]]*\. yann@1105: libtool yann@1105: curl|wget yann@1105: patch yann@1105: tar yann@1105: gzip yann@1105: bzip2 yann@673: ' yann@673: yann@183: PREFIX_DEFAULT=/usr/local yann@182: yann@182: BINDIR_set= yann@182: LIBDIR_set= yann@182: DOCDIR_set= yann@182: MANDIR_set= yann@285: LOCAL_set= yann@182: yann@680: FORCE=0 yann@680: yann@641: do_quit= yann@614: CONTRIB_list= yann@614: yann@673: # Simply print the error message, and exit. Obvious, he? yann@673: do_error() { yann@673: echo "${@}" yann@673: exit 1 yann@673: } yann@673: yann@673: # A small function to test for existence of various tools yann@876: # Usage: has_or_abort test_pattern (see top of file, TOOLS_TO_CHECK, for yann@876: # complete pattern format) yann@673: has_or_abort() { yann@1105: save_IFS="${IFS}" yann@1105: IFS="|" yann@1105: for item in ${1}; do yann@1105: case "${item}" in yann@1105: *=*) yann@1105: tool="${item%%=*}" yann@1105: regexp="${item#*=}" yann@1105: ;; yann@1105: *) tool="${item}" yann@1105: regexp= yann@1105: ;; yann@1105: esac yann@1105: printf "Checking for '${tool}'... " yann@1105: where=$( which "${tool}" 2>/dev/null ) yann@1105: if [ -z "${where}" ]; then yann@1105: echo "not found" yann@1105: where= yann@1105: continue yann@1105: else yann@1105: if [ -n "${regexp}" ]; then yann@1105: tool_version=$( ${tool} --version 2>&1 ) yann@1105: str=$( echo "${tool_version}" |grep -E "${regexp}" |head -n 1 ) yann@1105: if [ -z "${str}" ]; then yann@1105: echo "${where}: wrong version string: expecting regexp '${regexp}'" yann@1105: where="" yann@1105: continue yann@1105: fi yann@1105: fi yann@1105: echo "${where}" yann@1105: break yann@1105: fi yann@1105: done; yann@1105: IFS="${save_IFS}" yann@1105: [ -z "${where}" -a ${FORCE} -eq 0 ] && do_error "Bailing out..." yann@673: return 0 yann@673: } yann@673: yann@641: # Given an option string and the following argument, yann@641: # echoes the value of the option. yann@641: # If --var=val => echoes val and returns 0, meaning second arg was not consumed yann@641: # If --var val => echoes val and returns non null, meaning second arg was used yann@182: get_optval(){ yann@182: case "$1" in yann@182: --*=?*) yann@193: echo "${1}" |cut -d '=' -f 2- yann@1105: return 0 yann@182: ;; yann@182: *) yann@182: echo "${2}" yann@1105: return 1 yann@182: ;; yann@182: esac yann@182: } yann@182: yann@641: # The set_xxx functions will set the corresponding configuration variable yann@641: # They return 0 if second arg was not consumed, and non-zero if it was consumed. yann@182: set_prefix() { yann@1105: PREFIX="$( get_optval "$1" "$2" )" yann@182: } yann@182: set_bindir() { yann@376: BINDIR_set=1 yann@1105: BINDIR="$( get_optval "$1" "$2" )" yann@182: } yann@182: set_libdir() { yann@376: LIBDIR_set=1 yann@1105: LIBDIR="$( get_optval "$1" "$2" )" yann@182: } yann@182: set_docdir() { yann@376: DOCDIR_set=1 yann@1105: DOCDIR="$( get_optval "$1" "$2" )" yann@182: } yann@182: set_mandir() { yann@376: MANDIR_set=1 yann@1105: MANDIR="$( get_optval "$1" "$2" )" yann@182: } yann@182: yann@641: # The set_contrib function is different in that it will work like the others, yann@641: # except in two cases: yann@641: # If all => replaces all with the list of all available contribs yann@641: # If list => just echoes the list of all available contribs, and instructs yann@641: # caller to quit immediately by setting do_quit to non null. yann@641: # (can't use the return code, see above). yann@614: set_contrib() { yann@1105: opt_val="$( get_optval "$1" "$2" )" yann@1105: ret=$? yann@614: case "${opt_val}" in yann@614: all) yann@1105: CONTRIB_list="$( LC_ALL=C ls -1 contrib/*.patch.lzma \ yann@1105: |xargs -I {} basename {} .patch.lzma \ yann@1105: |sed -r -e ':a; /$/N; s/\n/,/; ta;' \ yann@1105: )" yann@614: ;; yann@614: list) yann@614: do_quit=1 yann@614: echo "Available contributions:" yann@1105: LC_ALL=C ls -1 contrib/*.patch.lzma \ yann@1105: |xargs -I {} basename {} .patch.lzma \ yann@1105: |sed -r -e 's/^/ /;' yann@614: ;; yann@614: *) CONTRIB_list="${CONTRIB_list},${opt_val}";; yann@614: esac yann@614: return $ret yann@614: } yann@614: yann@183: do_help() { yann@183: cat <<__EOF__ yann@197: \`configure' configures crosstool-NG ${VERSION} to adapt to many kind of systems. yann@183: yann@183: USAGE: ./configure [OPTION]... yann@183: yann@183: Defaults for the options are specified in brackets. yann@183: yann@183: Configuration: yann@1105: -h, --help display this help and exit yann@683: --force force ./configure to complete, even if one or more yann@683: tools were not found. Use at your own risk, only if yann@683: you know what you are doing! yann@615: yann@615: Installation directories: yann@185: --prefix=PREFIX install files in PREFIX [${PREFIX_DEFAULT}] yann@285: --local don't install, and use current directory yann@183: yann@183: By default, \`make install' will install all the files in yann@183: \`${PREFIX_DEFAULT}/bin', \`${PREFIX_DEFAULT}/lib' etc. You can specify yann@183: an installation prefix other than \`${PREFIX_DEFAULT}' using \`--prefix', yann@183: for instance \`--prefix=\${HOME}'. yann@183: yann@183: For better control, use the options below. yann@183: yann@183: Fine tuning of the installation directories: yann@683: --bindir=DIR user executables [PREFIX/bin] yann@683: --libdir=DIR object code libraries [PREFIX/lib] yann@683: --docdir=DIR info documentation [PREFIX/share/doc] yann@683: --mandir=DIR man documentation [PREFIX/share/man] yann@614: yann@614: Optional Features: yann@683: --with-contrib=XXX Include externally contributed features found in the yann@683: contrib/ sub-directory. Set to a comma-separated list yann@683: of features. Use 'all' to use all contributions, and yann@683: 'list' to see which are available. yann@183: __EOF__ yann@183: } yann@183: yann@376: #--------------------------------------------------------------------- yann@376: # Set user's options yann@376: yann@182: while [ $# -ne 0 ]; do yann@182: case "$1" in yann@182: --prefix*) set_prefix "$1" "$2" && shift || shift 2;; yann@182: --bindir*) set_bindir "$1" "$2" && shift || shift 2;; yann@182: --libdir*) set_libdir "$1" "$2" && shift || shift 2;; yann@182: --docdir*) set_docdir "$1" "$2" && shift || shift 2;; yann@182: --mandir*) set_mandir "$1" "$2" && shift || shift 2;; yann@285: --local) LOCAL_set=1; shift;; yann@680: --force) FORCE=1; shift;; yann@614: --with-contrib*) yann@614: set_contrib "$1" "$2" && shift || shift 2 yann@614: [ "${do_quit}" = "1" ] && exit 0 yann@614: ;; yann@183: --help|-h) do_help; exit 0;; yann@183: *) do_help; exit 1;; yann@182: esac yann@182: done yann@182: yann@641: # Use defaults yann@185: [ -z "${PREFIX}" ] && set_prefix "" "${PREFIX_DEFAULT}" yann@641: yann@641: # Special case when installing locally yann@285: if [ "${LOCAL_set}" = "1" ]; then yann@1105: set_prefix "" "$( pwd )" yann@1105: set_bindir "" "$( pwd )" yann@1105: set_libdir "" "$( pwd )" yann@1105: set_docdir "" "$( pwd )/docs" yann@1105: set_mandir "" "$( pwd )/docs" yann@285: fi yann@183: yann@376: #--------------------------------------------------------------------- yann@376: # Some sanity checks, now yann@376: yann@435: # If this version is a svn snapshot, try to get the revision number yann@435: # If we can't get the revision number, use date yann@641: printf "Computing version string... " yann@435: case "${VERSION}" in yann@1105: *+svn|svn) yann@1105: REVISION="$( LC_ALL=C svnversion )" yann@1105: case "${REVISION}" in yann@1105: exported) yann@1105: VERSION="${VERSION}_unknown@$( date +%Y%m%d.%H%M%S )";; yann@1105: *) yann@1105: URL="$( LC_ALL=C svn info 2>/dev/null \ yann@1105: |egrep 'URL: ' \ yann@1105: |cut -d ' ' -f 2- \ yann@1105: )" yann@1105: ROOT="$( LC_ALL=C svn info 2>/dev/null \ yann@1105: |egrep 'Repository Root: ' \ yann@1105: |cut -d ' ' -f 3- \ yann@1105: )" yann@1105: VERSION="${VERSION}${URL#${ROOT}}@${REVISION}" yann@1105: ;; yann@1105: esac yann@1105: # Arrange to have no / in the directory name, no need to create an yann@1105: # arbitrarily deep directory structure yann@1105: VERSION="$( echo "${VERSION}" |sed -r -e 's|/+|_|g;' )" yann@444: ;; yann@435: esac yann@553: echo "${VERSION}" yann@435: yann@614: # Now we have the version string, we can build up the paths yann@554: [ -z "${BINDIR_set}" ] && BINDIR="${PREFIX}/bin" yann@554: [ -z "${LIBDIR_set}" ] && LIBDIR="${PREFIX}/lib/ct-ng-${VERSION}" yann@554: [ -z "${DOCDIR_set}" ] && DOCDIR="${PREFIX}/share/doc/ct-ng-${VERSION}" yann@554: [ -z "${MANDIR_set}" ] && MANDIR="${PREFIX}/share/man/man1" yann@554: yann@1047: # Check that install PATHs are absolute yann@1047: for p in BIN LIB DOC MAN; do yann@1105: var="${p}DIR" yann@1105: eval v='"${'"${var}"'}"' yann@1105: case "${v}" in yann@1105: /*) ;; yann@1105: *) do_error "'${var}' is not an absolute path: '${v}'" yann@1105: esac yann@1047: done yann@1047: yann@673: # Check the existence of absolutely required tools yann@1105: save_IFS="${IFS}" yann@1105: IFS=' yann@1105: ' yann@1105: for tool in ${TOOLS_TO_CHECK}; do yann@1105: has_or_abort "${tool}" yann@1105: done yann@1105: IFS="${save_IFS}" yann@673: yann@641: # It's safer to change all ',' to spaces rather than setting IFS yann@1105: CONTRIB_list="$( echo "${CONTRIB_list}" \ yann@1105: |sed -r -e 's/,+/ /g; s/ +/ /g; s/^ //g; s/ $//g;' \ yann@1105: )" yann@673: if [ -n "${CONTRIB_list}" ]; then yann@1105: has_or_abort 'lzcat' yann@673: printf "Applying contributed code: " yann@673: for c in ${CONTRIB_list}; do yann@673: printf "${c}, " yann@673: if [ ! -f "contrib/${c}.patch.lzma" ]; then yann@673: do_error "Contribution '${c}' does not exist" yann@673: fi yann@673: lzcat "contrib/${c}.patch.lzma" |patch -p1 >/dev/null 2>&1 yann@673: done yann@673: echo "done" yann@673: fi yann@614: yann@641: printf "Building up Makefile... " yann@1105: sed -r -e "s,@@BINDIR@@,${BINDIR},g yann@1105: s,@@LIBDIR@@,${LIBDIR},g yann@1105: s,@@DOCDIR@@,${DOCDIR},g yann@1105: s,@@MANDIR@@,${MANDIR},g yann@1105: s,@@VERSION@@,${VERSION},g yann@1105: s,@@DATE@@,${DATE},g yann@1105: s,@@LOCAL@@,${LOCAL_set},g" Makefile.in >Makefile yann@673: echo "done" yann@185: yann@185: cat <<__EOF__ yann@673: yann@197: crosstool-NG configured as follows: yann@554: PREFIX='${PREFIX}' yann@554: BINDIR='${BINDIR}' yann@554: LIBDIR='${LIBDIR}' yann@554: DOCDIR='${DOCDIR}' yann@554: MANDIR='${MANDIR}' yann@641: CONTRIB='${CONTRIB_list}' yann@185: __EOF__