* configure: Add support for 'subdirs' variable, which is
like 'configdirs', except that configure doesn't re-invoke itself for subdirs, it just creates a Makefile for each subdir. * configure.texi: Document subdirs.
This commit is contained in:
Per Bothner
parent
13b5a7ff3e
commit
8becd045a3
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@ -1,3 +1,10 @@
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Tue Apr 14 11:56:09 1992 Per Bothner (bothner@cygnus.com)
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* configure: Add support for 'subdirs' variable, which is
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like 'configdirs', except that configure doesn't re-invoke
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itself for subdirs, it just creates a Makefile for each subdir.
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* configure.texi: Document subdirs.
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Mon Apr 13 18:50:16 1992 david d `zoo' zuhn (zoo at cirdan.cygnus.com)
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* configure.in: added flex to configdirs
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@ -62,6 +62,7 @@ next_srcdir=
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next_target=
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next_tmpdir=
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norecursion=
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removing=
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prefix=/usr/local
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progname=
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program_prefix=
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@ -72,6 +73,7 @@ site_option=
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site_makefile_frag=
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srcdir=
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srctrigger=
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subdirs=
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target_alias=
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target_makefile_frag=
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undefinedargs=
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@ -171,6 +173,7 @@ do
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-prefix | --prefix | --prefi | --pref | --pre)
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next_prefix=yes
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;;
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-rm | --rm) removing=${arg} ;;
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-program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | --program_=* | --program=* | --progra=* | --progr=* | --prog=* | --pro=*)
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program_prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
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program_prefixoption=${arg}
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@ -357,7 +360,7 @@ esac
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# default exec_prefix
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case "${exec_prefix}" in
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"") exec_prefix="$(prefix)" ;;
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"") exec_prefix="\$(prefix)" ;;
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*) ;;
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esac
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@ -450,116 +453,149 @@ if [ ! -r ${srcdir}/${srctrigger} ] ; then
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exit 1
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fi
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# Set up the list of links to be made.
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# ${links} is the list of link names, and ${files} is the list of names to link to.
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for subdir in . ${subdirs} ; do
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# Make the links.
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configlinks="${links}"
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while [ -n "${files}" ] ; do
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# set file to car of files, files to cdr of files
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set ${files}; file=$1; shift; files=$*
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set ${links}; link=$1; shift; links=$*
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# ${subdir} is relative path from . to the directory we're currently
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# configuring.
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# ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
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invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
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if [ ! -r ${srcdir}/${file} ] ; then
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echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
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echo '***' "since the file \"${file}\" does not exist." 1>&2
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exit 1
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fi
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${remove} -f ${link}
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rm -f config.status
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# Make a symlink if possible, otherwise try a hard link
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${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
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if [ ! -r ${link} ] ; then
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echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
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exit 1
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fi
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case "${verbose}" in
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"") ;;
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*) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
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esac
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done
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# Create a .gdbinit file which runs the one in srcdir
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# and tells GDB to look there for source files.
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if [ -r ${srcdir}/.gdbinit ] ; then
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case ${srcdir} in
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.)
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### figure out what to do with srcdir
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case "${srcdir}" in
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".") # no -srcdir option. We're building in place.
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makesrcdir=. ;;
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/*) # absolute path
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makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
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;;
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*) cat > .gdbinit <<EOF
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# ${NO_EDIT} > .gdbinit
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dir .
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dir ${srcdir}
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source ${srcdir}/.gdbinit
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EOF
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*) # otherwise relative
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makesrcdir=../${srcdir}/${subdir}
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;;
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esac
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fi
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esac
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# Install a makefile, and make it set VPATH
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# if necessary so that the sources are found.
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# Also change its value of srcdir.
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# NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
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# been somewhat optimized and is perhaps a bit twisty.
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if [ "${subdir}/" != "./" ] ; then
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Makefile=${subdir}/Makefile
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fi
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# code is order so as to try to sed the smallest input files we know.
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# the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
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# so do these separately because I don't trust the order of sed -e expressions.
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# Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
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case "${site}" in
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"") cp ${srcdir}/${Makefile_in} Makefile.tem ;;
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*)
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site_makefile_frag=${srcdir}/config/ms-${site}
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if [ -f ${site_makefile_frag} ] ; then
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sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${Makefile_in} \
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> Makefile.tem
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else
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cp ${srcdir}/${Makefile_in} Makefile.tem
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site_makefile_frag=
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case "${removing}" in
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"")
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if [ -n "${verbose}" -o -z "${silent}" ] ; then
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echo Building in ${subdir}
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fi
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;;
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esac
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# working copy now in Makefile.tem
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# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
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# Set up the list of links to be made.
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# ${links} is the list of link names, and ${files} is the list of names to link to.
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# Conditionalize the makefile for this host.
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case "${host_makefile_frag}" in
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"") mv Makefile.tem ${Makefile} ;;
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*)
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host_makefile_frag=${srcdir}/${host_makefile_frag}
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if [ -f ${host_makefile_frag} ] ; then
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sed -e "/^####/ r ${host_makefile_frag}" Makefile.tem > ${Makefile}
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else
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echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
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echo '***' is missing in ${PWD}. 1>&2
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mv Makefile.tem ${Makefile}
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fi
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esac
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# working copy now in ${Makefile}
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# Make the links.
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configlinks="${links}"
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while [ -n "${files}" ] ; do
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# set file to car of files, files to cdr of files
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set ${files}; file=$1; shift; files=$*
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set ${links}; link=$1; shift; links=$*
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# Conditionalize the makefile for this target.
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case "${target_makefile_frag}" in
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"") mv ${Makefile} Makefile.tem ;;
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*)
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target_makefile_frag=${srcdir}/${target_makefile_frag}
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if [ -f ${target_makefile_frag} ] ; then
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sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} > Makefile.tem
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else
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mv ${Makefile} Makefile.tem
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target_makefile_frag=
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fi
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;;
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esac
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# real copy now in Makefile.tem
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if [ ! -r ${srcdir}/${file} ] ; then
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echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
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echo '***' "since the file \"${file}\" does not exist." 1>&2
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exit 1
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fi
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# prepend warning about editting, and a bunch of variables.
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cat > ${Makefile} <<EOF
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${remove} -f ${link}
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rm -f config.status
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# Make a symlink if possible, otherwise try a hard link
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${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
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if [ ! -r ${link} ] ; then
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echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
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exit 1
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fi
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case "${verbose}" in
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"") ;;
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*) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
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esac
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done
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# Create a .gdbinit file which runs the one in srcdir
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# and tells GDB to look there for source files.
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if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
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case ${srcdir} in
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.)
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;;
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*) cat > ${subdir}/.gdbinit <<EOF
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# ${NO_EDIT}
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dir .
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dir ${makesrcdir}
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source ${makesrcdir}/.gdbinit
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EOF
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;;
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esac
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fi
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# Install a makefile, and make it set VPATH
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# if necessary so that the sources are found.
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# Also change its value of srcdir.
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# NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
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# been somewhat optimized and is perhaps a bit twisty.
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# code is order so as to try to sed the smallest input files we know.
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# the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
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# so do these separately because I don't trust the order of sed -e expressions.
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# Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
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case "${site}" in
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"") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
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*)
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site_makefile_frag=${srcdir}/config/ms-${site}
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if [ -f ${site_makefile_frag} ] ; then
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sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
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> ${subdir}/Makefile.tem
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else
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cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
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site_makefile_frag=
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fi
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;;
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esac
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# working copy now in ${subdir}/Makefile.tem
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# Conditionalize the makefile for this host.
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case "${host_makefile_frag}" in
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"") mv ${subdir}/Makefile.tem ${Makefile} ;;
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*)
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if [ ! -f ${host_makefile_frag} ] ; then
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host_makefile_frag=${srcdir}/${host_makefile_frag}
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fi
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if [ -f ${host_makefile_frag} ] ; then
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sed -e "/^####/ r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
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else
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echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
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echo '***' is missing in ${PWD}. 1>&2
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mv ${subdir}/Makefile.tem ${Makefile}
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fi
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esac
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# working copy now in ${Makefile}
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# Conditionalize the makefile for this target.
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case "${target_makefile_frag}" in
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"") mv ${Makefile} ${subdir}/Makefile.tem ;;
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*)
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target_makefile_frag=${srcdir}/${target_makefile_frag}
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if [ -f ${target_makefile_frag} ] ; then
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sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
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else
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mv ${Makefile} ${subdir}/Makefile.tem
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target_makefile_frag=
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fi
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;;
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esac
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# real copy now in ${subdir}/Makefile.tem
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# prepend warning about editting, and a bunch of variables.
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cat > ${Makefile} <<EOF
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# ${NO_EDIT}
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VPATH = ${makesrcdir}
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links = ${configlinks}
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host_alias = ${host_alias}
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host_cpu = ${host_cpu}
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host_vendor = ${host_vendor}
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@ -568,84 +604,106 @@ target_alias = ${target_alias}
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target_cpu = ${target_cpu}
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target_vendor = ${target_vendor}
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target_os = ${target_os}
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target_makefile_frag = ${target_makefile_frag}
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host_makefile_frag = ${host_makefile_frag}
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site_makefile_frag = ${site_makefile_frag}
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links = ${configlinks}
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VPATH = ${srcdir}
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EOF
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if [ "${target_makefile_frag}" != "" ] ; then
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echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile}
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fi
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if [ "${host_makefile_frag}" != "" ] ; then
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echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile}
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fi
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if [ "${site_makefile_frag}" != "" ] ; then
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echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
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fi
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# fixme: this shouldn't be in configure.
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# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
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case "${host_alias}" in
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"${target_alias}")
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tooldir="$(libdir)"
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echo "ALL=all.internal" >> ${Makefile}
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;;
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*)
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echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
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echo "ALL=all.cross" >> ${Makefile}
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case "${program_prefix}" in
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"") program_prefix=${target_alias}- ;;
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*) ;;
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# fixme: this shouldn't be in configure.
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# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
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case "${host_alias}" in
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"${target_alias}")
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tooldir="\$(libdir)"
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echo "ALL=all.internal" >> ${Makefile}
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;;
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*)
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echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
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echo "ALL=all.cross" >> ${Makefile}
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case "${program_prefix}" in
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"") program_prefix=${target_alias}- ;;
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*) ;;
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esac
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tooldir="\$(libdir)/${target_alias}"
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;;
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esac
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tooldir="$(libdir)/${target_alias}"
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;;
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esac
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# reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
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# remove any form feeds.
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if [ -z "${subdirs}" ]; then
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sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
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-e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
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${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
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mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
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fi
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sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
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-e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
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-e "s:^srcdir[ ]*=.*$:srcdir = ${makesrcdir}:" \
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-e "s/ //" \
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-e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
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-e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
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${subdir}/Makefile.tem >> ${Makefile}
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# final copy now in ${Makefile}
|
||||
|
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# reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS, remove any form
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# feeds.
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||||
sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
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-e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
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||||
-e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
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-e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
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||||
-e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
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-e "s/ //" \
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-e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
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||||
-e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
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||||
Makefile.tem >> ${Makefile}
|
||||
# final copy now in ${Makefile}
|
||||
rm ${subdir}/Makefile.tem
|
||||
|
||||
rm Makefile.tem
|
||||
if [ -n "${verbose}" -o -z "${silent}" ] ; then
|
||||
case "${host_makefile_frag}" in
|
||||
"") using= ;;
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||||
*) using="and \"${host_makefile_frag}\"" ;;
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||||
esac
|
||||
|
||||
if [ -n "${verbose}" -o -z "${silent}" ] ; then
|
||||
case "${host_makefile_frag}" in
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||||
"") using= ;;
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||||
*) using="and \"${host_makefile_frag}\"" ;;
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||||
case "${target_makefile_frag}" in
|
||||
"") ;;
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||||
*) using="${using} and \"${target_makefile_frag}\"" ;;
|
||||
esac
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||||
|
||||
case "${site_makefile_frag}" in
|
||||
"") ;;
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||||
*) using="${using} and \"${site_makefile_frag}\"" ;;
|
||||
esac
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||||
|
||||
echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
|
||||
fi
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||||
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||||
. ${tmpfile}.pos
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||||
|
||||
# describe the chosen configuration in config.status.
|
||||
# Make that file a shellscript which will reestablish
|
||||
# the same configuration. Used in Makefiles to rebuild
|
||||
# Makefiles.
|
||||
|
||||
case "${norecursion}" in
|
||||
"") arguments="${arguments} -norecursion" ;;
|
||||
*) ;;
|
||||
esac
|
||||
|
||||
case "${target_makefile_frag}" in
|
||||
"") ;;
|
||||
*) using="${using} and \"${target_makefile_frag}\"" ;;
|
||||
esac
|
||||
|
||||
case "${site_makefile_frag}" in
|
||||
"") ;;
|
||||
*) using="${using} and \"${site_makefile_frag}\"" ;;
|
||||
esac
|
||||
|
||||
echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
|
||||
fi
|
||||
|
||||
. ${tmpfile}.pos
|
||||
|
||||
# describe the chosen configuration in config.status.
|
||||
# Make that file a shellscript which will reestablish
|
||||
# the same configuration. Used in Makefiles to rebuild
|
||||
# Makefiles.
|
||||
|
||||
case "${norecursion}" in
|
||||
"") arguments="${arguments} -norecursion" ;;
|
||||
*) ;;
|
||||
esac
|
||||
|
||||
echo "#!/bin/sh
|
||||
if [ ${subdir} = . ] ; then
|
||||
echo "#!/bin/sh
|
||||
# ${NO_EDIT}
|
||||
# ${PWD} was configured as follows:
|
||||
${progname}" ${arguments} "
|
||||
# ${using}" > config.status
|
||||
chmod a+x config.status
|
||||
# ${using}" > ${subdir}/config.status
|
||||
else
|
||||
echo "#!/bin/sh
|
||||
# ${NO_EDIT}
|
||||
# ${PWD}/${subdir} was configured as follows:
|
||||
cd ${invsubdir}
|
||||
${progname}" ${arguments} "
|
||||
# ${using}" > ${subdir}/config.status
|
||||
fi
|
||||
chmod a+x ${subdir}/config.status
|
||||
;;
|
||||
|
||||
*) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
|
||||
esac
|
||||
done
|
||||
|
||||
# If there are subdirectories, then recur.
|
||||
if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
|
||||
|
|
@ -694,7 +752,7 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
|
|||
### The recursion line is here.
|
||||
if ${recprog} -s ${host_alias} -target=${target_alias} \
|
||||
${verbose} ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
|
||||
${srcdiroption} ${program_prefixoption} ${site_option} ; then
|
||||
${srcdiroption} ${program_prefixoption} ${site_option} ${removing} ; then
|
||||
true
|
||||
else
|
||||
exit 1
|
||||
|
|
|
|||
|
|
@ -983,13 +983,30 @@ error message.
|
|||
@defvar{configdirs}
|
||||
Contains the names of any subdirectories where @code{configure} should
|
||||
recur. You must usually set this in the per-invocation section of
|
||||
@file{configure.in}. If @file{Makefile.in} contains a line starting
|
||||
with @code{SUBDIRS =}, then it will be replaced with an assignment to
|
||||
@code{SUBDIRS} using the value of @code{configdirs}. This can be used
|
||||
to determine which directories to configure and build depending on the
|
||||
host and target configurations.
|
||||
@file{configure.in}.
|
||||
If @file{Makefile.in} contains a line starting with @code{SUBDIRS =},
|
||||
then it will be replaced with an assignment to @code{SUBDIRS} using
|
||||
the value of @code{configdirs} (if #code{subdirs} is empty). This can
|
||||
be used to determine which directories to configure and build depending
|
||||
on the host and target configurations.
|
||||
@c Most other matching makefile/config vars use the same name. Why not
|
||||
@c this? (FIXME).
|
||||
@c Can we get rid of SUBDIRS-substitution? It doesn't work well with subdirs.
|
||||
Use @code{configdirs} (instead of the @code{subdirs} variable
|
||||
described below) if you want to be able to partition the
|
||||
sub-directories, or use independent Makefile fragments.
|
||||
Each sub-directory can be independent, and independently re-configured.
|
||||
@end defvar
|
||||
|
||||
@defvar{subdirs}
|
||||
Contains the names of any subdirectories where @code{configure} should
|
||||
create a @code{Makefile} (in addition to the current directory),
|
||||
@emph{without} recursively running @code{configure}.
|
||||
Use @code{subdirs} (instead of the @code{configdirs} variable
|
||||
described above) if you want to configure all of the directories
|
||||
as a unit. Since there is a single invocation of @code{configure}
|
||||
that configures many directories, all the directories can use the
|
||||
same Makefile fragments, and the same @code{configure.in}.
|
||||
@end defvar
|
||||
|
||||
@defvar{host}
|
||||
|
|
|
|||
Loading…
Reference in New Issue