436 lines
13 KiB
Plaintext
436 lines
13 KiB
Plaintext
# Configure fragment invoked in the common section for subdirs
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# wanting multilib support.
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#
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# The common section was chosen because xiberty clobbers $srcdir in the
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# common section of its configure.in.
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#
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# The intent is to keep as much of this in one place as possible (and out
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# of each subdirectory, eg: newlib, libio, etc.) until the right way to do
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# this (ha ha) is decided upon.
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#
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# This is where a target selects what multilib directories to build.
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# It is advisable to support a few --enable/--disable options to let the
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# user select which libraries s/he really wants.
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#
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# Subdirectories wishing to use multilib should put the following lines
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# in the initial ("common") section of configure.in:
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#
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#if [ -n "${with_multilib_top}" ]; then
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# . ${with_multilib_top}/../cfg-ml-com.in
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#else
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# . ${srcdir}/../cfg-ml-com.in
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#fi
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#
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# `with_multilib_top' exists to handle the case of configuring in the source
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# tree: ${srcdir} is not constant.
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#
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# The following should be added to the "post-target" section of configure.in:
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#
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#if [ -n "${with_multilib_top}" ]; then
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# . ${with_multilib_top}/../cfg-ml-pos.in
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#else
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# . ${srcdir}/../cfg-ml-pos.in
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#fi
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# FIXME: Multilib is currently disabled by default for everything other than
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# newlib. It is up to each target to turn on multilib support for the other
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# libraries as desired.
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#
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# FIXME: It would be better if we could use the --print-multi-lib switch to
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# gcc to get the list of directories to build, but at this point the compiler
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# has not been built.
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# Only do this if --enable-multilib.
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# And only if at the top level, not a multilib subdirectory.
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if [ "${enable_multilib}" = yes -a -z "${with_multisubdir}" ]; then
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# Doing this in the common section means ${target} isn't set yet, so compute
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# a copy here. This is a bit kludgey, but again the current (short term) goal
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# is to be as unobtrusive (sp?) to the rest of the sources as possible.
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if result=`${config_shell} ${configsub} ${target_alias}` ; then
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true
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else
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echo "Unrecognized target system name ${target_alias}." 1>&2
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exit 1
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fi
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target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
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target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
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target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
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target=${target_cpu}-${target_vendor}-${target_os}
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# FIXME: Perhaps we can do something like the following instead.
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# Fetch from gcc the multilib directories to use if we can.
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# if [ -f ${srcdir}/../gcc/genmultilib -a -f ../gcc/Makefile ]; then
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# options=`grep "^MULTILIB_OPTIONS" ../gcc/Makefile | sed -e 's/^.*=//'`
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# multidirs=`${srcdir}/../gcc/genmultilib "$options" | \
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# sed -e 's/^#define.*//' -e 's/^[.].*//' -e 's/".*//' -e 's/ .*//'`
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# else
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# multidirs=""
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# fi
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case "${target}" in
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# start-sanitize-arc
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arc-sbp-elf*)
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if [ x$enable_biendian = xyes ]
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then
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multidirs="be host graphics audio be/host be/graphics be/audio"
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else
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multidirs="host graphics audio"
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fi
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;;
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arc-*-*)
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multidirs="be"
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;;
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# end-sanitize-arc
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hppa*-*-*)
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multidirs="soft-float"
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;;
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m68*-*-aout* | m68*-*-coff* | m68*-*-elf* | m68*-*-vxworks*)
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multidirs="m68000 m68020 m68881 msoft-float m68000/m68881 m68000/msoft-float m68020/m68881 m68020/msoft-float"
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;;
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i960-*-*)
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multidirs=float
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;;
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sparclite-*-* | sparclitefrw*-*-*)
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multidirs="mfpu msoft-float mflat mno-flat mfpu/mflat mfpu/mno-flat msoft-float/mflat msoft-float/mno-flat"
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;;
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sparc-*-* | sparcfrw*-*-*)
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multidirs="soft v8 soft/v8"
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;;
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z8k-*-coff)
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multidirs="z8001 std z8001/std"
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;;
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h8300-*-*)
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multidirs=h8300h
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;;
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h8500-*-*)
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multidirs="mbig msmall mcompact mmedium"
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;;
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sh-*-*)
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multidirs="ml"
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# start-sanitize-sh3e
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multidirs="ml m3e"
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# end-sanitize-sh3e
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;;
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mips*-*-*)
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# Note that not all of these will be built for a particular
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# target; what is build depends upon the output gcc
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# --print-multi-lib. We configure them all, to make our life
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# simpler here. If somebody cares about configuration
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# efficiency, they will need to switch off on the various
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# targets to configure just the directories needed for that
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# target.
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#
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# In the long run, it would be better to configure based on
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# the output of gcc --print-multi-lib, but, to do that, we
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# would have to build gcc before configuring newlib.
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#
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# Default to including the single-float directories.
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if [ x$enable_single_float = x ]; then
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enable_single_float=yes
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fi
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if [ x$enable_single_float = xyes ]; then
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multidirs="soft-float single el eb mips1 mips3 soft-float/el soft-float/eb soft-float/mips1 soft-float/mips3 soft-float/el/mips1 soft-float/el/mips3 soft-float/eb/mips1 soft-float/eb/mips3 single/el single/eb single/mips1 single/mips3 single/el/mips1 single/el/mips3 single/eb/mips1 single/eb/mips3 el/mips1 el/mips3 eb/mips1 eb/mips3"
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else
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multidirs="soft-float el eb mips1 mips3 soft-float/el soft-float/eb soft-float/mips1 soft-float/mips3 soft-float/el/mips1 soft-float/el/mips3 soft-float/eb/mips1 soft-float/eb/mips3 el/mips1 el/mips3 eb/mips1 eb/mips3"
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fi
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if [ x$enable_biendian = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*endian* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_softfloat = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*soft-float* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_relocatable = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*relocatable* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_sysv = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*sysv* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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;;
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powerpc-ibm-aix* | rs6000-ibm-aix*)
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multidirs="soft-float common soft-float/common"
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if [ x$enable_softfloat = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*soft-float* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_commoncpu = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*common* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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;;
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powerpc-*-eabiaix*)
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multidirs="soft-float relocatable little-endian call-sysv little-endian/call-sysv relocatable/little-endian relocatable/call-sysv relocatable/little-endian/call-sysv soft-float/relocatable soft-float/little-endian soft-float/call-sysv soft-float/little-endian/call-sysv soft-float/relocatable/little-endian soft-float/relocatable/call-sysv soft-float/relocatable/little-endian/call-sysv"
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if [ x$enable_biendian = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*endian* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_softfloat = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*soft-float* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_relocatable = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*relocatable* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_sysv = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*sysv* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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;;
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powerpc-*-eabi* | powerpc-*-elf* | powerpc-*-sysv4*)
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multidirs="soft-float relocatable little-endian call-aix little-endian/call-aix relocatable/little-endian relocatable/call-aix relocatable/little-endian/call-aix soft-float/relocatable soft-float/little-endian soft-float/call-aix soft-float/little-endian/call-aix soft-float/relocatable/little-endian soft-float/relocatable/call-aix soft-float/relocatable/little-endian/call-aix"
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if [ x$enable_biendian = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*endian* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_softfloat = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*soft-float* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_relocatable = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*relocatable* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_aix = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*aix* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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;;
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powerpcle-*-eabi* | powerpcle-*-elf* | powerpcle-*-sysv4*)
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multidirs="soft-float relocatable big-endian call-aix big-endian/call-aix relocatable/big-endian relocatable/call-aix relocatable/big-endian/call-aix soft-float/relocatable soft-float/big-endian soft-float/call-aix soft-float/big-endian/call-aix soft-float/relocatable/big-endian soft-float/relocatable/call-aix soft-float/relocatable/big-endian/call-aix"
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if [ x$enable_biendian = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*endian* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_softfloat = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*soft-float* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_relocatable = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*relocatable* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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if [ x$enable_aix = xno ]
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then
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old_multidirs="${multidirs}"
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multidirs=""
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for x in ${old_multidirs}; do
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case "$x" in
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*aix* ) : ;;
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*) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
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esac
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done
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fi
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;;
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*)
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multidirs=
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;;
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esac
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# We must freshly configure each subdirectory. This bit of code is
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# actually partially stolen from the main configure script. FIXME.
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if [ -n "${multidirs}" ] && [ -z "${norecursion}" ]; then
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for dir in ${multidirs}; do
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if [ -d ${dir} ]; then true; else mkdir ${dir}; fi
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dotdot=../`echo ${dir} | sed -e 's|[^/]||g' -e 's|/|../|g'`
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case ${srcdir} in
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".")
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echo Building symlink tree in `pwd`/${dir}
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rm -f tmpconfig
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cat >tmpconfig <<\EOF
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#!/bin/sh
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for f in `ls -a $1`; do
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if [ -d $1$f ]; then
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found=
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for i in $2; do
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if [ "$f" = "$i" ]; then
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found=yes
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fi
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done
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if [ -z "${found}" ]; then
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if [ -d $f ]; then true; else mkdir $f; fi
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(cd $f; ../$0 ../$1$f/ "$2")
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fi
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else
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rm -f $f
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ln -s $1$f .
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fi
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done
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EOF
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chmod +x tmpconfig
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(cd ${dir};
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${dotdot}tmpconfig ${dotdot} ". .. CVS tmpconfig ${multidirs}")
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rm -f tmpconfig
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srcdiroption=
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multilib_top=${dotdot}
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;;
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*)
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case "${srcdir}" in
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/*) # absolute path
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newsrcdir=${srcdir}/${configdir}
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;;
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*) # otherwise relative
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newsrcdir=${dotdot}${srcdir}/${configdir}
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;;
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esac
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srcdiroption="-srcdir=${newsrcdir}"
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multilib_top=${newsrcdir}
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;;
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esac
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case "${progname}" in
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/*) recprog=${progname} ;;
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*) recprog=${dotdot}${progname} ;;
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esac
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POPDIR=${PWD=`pwd`}
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cd ${dir}
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if eval ${config_shell} ${recprog} ${verbose} \
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--with-multisubdir=${dir} --with-multilib-top=${multilib_top} \
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${buildopt} --host=${host_alias} --target=${target_alias} \
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${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
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${srcdiroption} ${program_prefixoption} ${program_suffixoption} \
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${program_transform_nameoption} ${site_option} ${withoptions} \
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${withoutoptions} ${enableoptions} ${disableoptions} \
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${cache_file_option} ${removing} ${other_options} ${redirect} ; then
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true
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else
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exit 1
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fi
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cd ${POPDIR}
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done
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fi
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fi # ${enable_multilib = yes -a -z ${with_multisubdir}
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