config-ml.in

   1 # Configure fragment invoked in the post-target section for subdirs
   2 # wanting multilib support.
   3 #
   4 # Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   5 # 2005, 2006, 2007, 2008, 2010, 2011, 2014 Free Software Foundation, Inc.
   6 #
   7 # This file is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 # Boston, MA 02110-1301, USA.
  21 #
  22 # As a special exception to the GNU General Public License, if you
  23 # distribute this file as part of a program that contains a
  24 # configuration script generated by Autoconf, you may include it under
  25 # the same distribution terms that you use for the rest of that program.
  26 #
  27 # Please report bugs to <gcc-bugs@gnu.org>
  28 # and send patches to <gcc-patches@gnu.org>.
  29
  30 # It is advisable to support a few --enable/--disable options to let the
  31 # user select which libraries s/he really wants.
  32 #
  33 # Subdirectories wishing to use multilib should put the following lines
  34 # in the "post-target" section of configure.ac.
  35 #
  36 # if [ "${srcdir}" = "." ] ; then
  37 #   if [ "${with_target_subdir}" != "." ] ; then
  38 #     . ${with_multisrctop}../../config-ml.in
  39 #   else
  40 #     . ${with_multisrctop}../config-ml.in
  41 #   fi
  42 # else
  43 #   . ${srcdir}/../config-ml.in
  44 # fi
  45 #
  46 #
  47 # Things are complicated because 6 separate cases must be handled:
  48 # 2 (native, cross) x 3 (absolute-path, relative-not-dot, dot) = 6.
  49 #
  50 # srcdir=. is special.  It must handle make programs that don't handle VPATH.
  51 # To implement this, a symlink tree is built for each library and for each
  52 # multilib subdir.
  53 #
  54 # The build tree is layed out as
  55 #
  56 # ./
  57 #   newlib
  58 #   m68020/
  59 #          newlib
  60 #          m68881/
  61 #                 newlib
  62 #
  63 # The nice feature about this arrangement is that inter-library references
  64 # in the build tree work without having to care where you are.  Note that
  65 # inter-library references also work in the source tree because symlink trees
  66 # are built when srcdir=.
  67 #
  68 # Unfortunately, trying to access the libraries in the build tree requires
  69 # the user to manually choose which library to use as GCC won't be able to
  70 # find the right one.  This is viewed as the lesser of two evils.
  71 #
  72 # Configure variables:
  73 # ${with_target_subdir} = "." for native, or ${target_alias} for cross.
  74 # Set by top level Makefile.
  75 # ${with_multisrctop} = how many levels of multilibs there are in the source
  76 # tree.  It exists to handle the case of configuring in the source tree:
  77 # ${srcdir} is not constant.
  78 # ${with_multisubdir} = name of multilib subdirectory (eg: m68020/m68881).
  79 #
  80 # Makefile variables:
  81 # MULTISRCTOP = number of multilib levels in source tree (+1 if cross)
  82 # (FIXME: note that this is different than ${with_multisrctop}.  Check out.).
  83 # MULTIBUILDTOP = number of multilib levels in build tree
  84 # MULTIDIRS = list of multilib subdirs (eg: m68000 m68020 ...)
  85 # (only defined in each library's main Makefile).
  86 # MULTISUBDIR = installed subdirectory name with leading '/' (eg: /m68000)
  87 # (only defined in each multilib subdir).
  88
  89 # FIXME: Multilib is currently disabled by default for everything other than
  90 # newlib.  It is up to each target to turn on multilib support for the other
  91 # libraries as desired.
  92
  93 # Autoconf incoming variables:
  94 # srcdir, host, ac_configure_args
  95 #
  96 # We *could* figure srcdir and host out, but we'd have to do work that
  97 # our caller has already done to figure them out and requiring these two
  98 # seems reasonable.
  99 # Note that `host' in this case is GCC's `target'.  Target libraries are
 100 # configured for a particular host.
 101
 102 Makefile=${ac_file-Makefile}
 103 ml_config_shell=${CONFIG_SHELL-/bin/sh}
 104 ml_realsrcdir=${srcdir}
 105
 106 # Scan all the arguments and set all the ones we need.
 107
 108 scan_arguments ()
 109 {
 110   ml_verbose=--verbose
 111   for option
 112   do
 113     # Strip single quotes surrounding individual options, that is, remove one
 114     # level of shell quoting for these.
 115     case $option in
 116       \'*\') eval option=$option ;;
 117     esac
 118
 119     case $option in
 120       --*) ;;
 121       -*) option=-$option ;;
 122     esac
 123
 124     case $option in
 125       --*=*)
 126         optarg=`echo $option | sed -e 's/^[^=]*=//'`
 127         ;;
 128     esac
 129
 130     case $option in
 131       --disable-*)
 132         enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 133         eval $enableopt=no
 134         ;;
 135       --enable-*)
 136         case "$option" in
 137         *=*)    ;;
 138         *)      optarg=yes ;;
 139         esac
 140         enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 141         # enable_shared and enable_static are handled by configure.
 142         # Don't undo its work.
 143         case $enableopt in
 144         enable_shared | enable_static) ;;
 145         *) eval $enableopt='$optarg' ;;
 146         esac
 147         ;;
 148       --norecursion | --no-recursion)
 149         ml_norecursion=yes
 150         ;;
 151       --silent | --sil* | --quiet | --q*)
 152         ml_verbose=--silent
 153         ;;
 154       --verbose | --v | --verb*)
 155         ml_verbose=--verbose
 156         ;;
 157       --with-*)
 158         case "$option" in
 159         *=*)    ;;
 160         *)      optarg=yes ;;
 161         esac
 162         withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 163         eval $withopt='$optarg'
 164         ;;
 165       --without-*)
 166         withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 167         eval $withopt=no
 168         ;;
 169     esac
 170   done
 171 }
 172 # Use eval to properly handle configure arguments such as
 173 # --enable-foo='--enable-a=1 --enable-b=2 --enable-c=3'.
 174 eval scan_arguments "${ac_configure_args}"
 175 unset scan_arguments
 176
 177 # Only do this if --enable-multilib.
 178 if [ "${enable_multilib}" = yes ]; then
 179
 180 # Compute whether this is the library's top level directory
 181 # (ie: not a multilib subdirectory, and not a subdirectory like newlib/src).
 182 # ${with_multisubdir} tells us we're in the right branch, but we could be
 183 # in a subdir of that.
 184 # ??? The previous version could void this test by separating the process into
 185 # two files: one that only the library's toplevel configure.ac ran (to
 186 # configure the multilib subdirs), and another that all configure.ac's ran to
 187 # update the Makefile.  It seemed reasonable to collapse all multilib support
 188 # into one file, but it does leave us with having to perform this test.
 189 ml_toplevel_p=no
 190 if [ -z "${with_multisubdir}" ]; then
 191   if [ "${srcdir}" = "." ]; then
 192     # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
 193     # ${with_target_subdir} = "." for native, otherwise target alias.
 194     if [ "${with_target_subdir}" = "." ]; then
 195       if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
 196         ml_toplevel_p=yes
 197       fi
 198     else
 199       if [ -f ${ml_realsrcdir}/../../config-ml.in ]; then
 200         ml_toplevel_p=yes
 201       fi
 202     fi
 203   else
 204     # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
 205     if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
 206       ml_toplevel_p=yes
 207     fi
 208   fi
 209 fi
 210
 211 # If this is the library's top level directory, set multidirs to the
 212 # multilib subdirs to support.  This lives at the top because we need
 213 # `multidirs' set right away.
 214
 215 if [ "${ml_toplevel_p}" = yes ]; then
 216
 217 multidirs=
 218 for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
 219   dir=`echo $i | sed -e 's/;.*$//'`
 220   if [ "${dir}" = "." ]; then
 221     true
 222   else
 223     if [ -z "${multidirs}" ]; then
 224       multidirs="${dir}"
 225     else
 226       multidirs="${multidirs} ${dir}"
 227     fi
 228   fi
 229 done
 230
 231 # Target libraries are configured for the host they run on, so we check
 232 # $host here, not $target.
 233
 234 case "${host}" in
 235 arm-*-*)
 236         if [ x"$enable_fpu" = xno ]
 237         then
 238           old_multidirs=${multidirs}
 239           multidirs=""
 240           for x in ${old_multidirs}; do
 241             case "${x}" in
 242               *fpu*) : ;;
 243               *) multidirs="${multidirs} ${x}" ;;
 244             esac
 245           done
 246         fi
 247         if [ x"$enable_26bit" = xno ]
 248         then
 249           old_multidirs=${multidirs}
 250           multidirs=""
 251           for x in ${old_multidirs}; do
 252             case "${x}" in
 253               *26bit*) : ;;
 254               *) multidirs="${multidirs} ${x}" ;;
 255             esac
 256           done
 257         fi
 258         if [ x"$enable_underscore" = xno ]
 259         then
 260           old_multidirs=${multidirs}
 261           multidirs=""
 262           for x in ${old_multidirs}; do
 263             case "${x}" in
 264               *under*) : ;;
 265               *) multidirs="${multidirs} ${x}" ;;
 266             esac
 267           done
 268         fi
 269         if [ x"$enable_interwork" = xno ]
 270         then
 271           old_multidirs=${multidirs}
 272           multidirs=""
 273           for x in ${old_multidirs}; do
 274             case "${x}" in
 275               *interwork*) : ;;
 276               *) multidirs="${multidirs} ${x}" ;;
 277             esac
 278           done
 279         fi
 280         if [ x$enable_biendian = xno ]
 281         then
 282           old_multidirs="${multidirs}"
 283           multidirs=""
 284           for x in ${old_multidirs}; do
 285             case "$x" in
 286               *le* ) : ;;
 287               *be* ) : ;;
 288               *) multidirs="${multidirs} ${x}" ;;
 289             esac
 290           done
 291         fi
 292         if [ x"$enable_nofmult" = xno ]
 293         then
 294           old_multidirs="${multidirs}"
 295           multidirs=""
 296           for x in ${old_multidirs}; do
 297             case "$x" in
 298               *nofmult* ) : ;;
 299               *) multidirs="${multidirs} ${x}" ;;
 300             esac
 301           done
 302         fi
 303         ;;
 304 loongarch*-*)
 305         old_multidirs="${multidirs}"
 306         multidirs=""
 307         for x in ${old_multidirs}; do
 308         case "$x" in
 309         `${CC-gcc} --print-multi-directory`) : ;;
 310         *) multidirs="${multidirs} ${x}" ;;
 311         esac
 312         done
 313         ;;
 314 m68*-*-*)
 315         if [ x$enable_softfloat = xno ]
 316         then
 317           old_multidirs="${multidirs}"
 318           multidirs=""
 319           for x in ${old_multidirs}; do
 320             case "$x" in
 321               *soft-float* ) : ;;
 322               *) multidirs="${multidirs} ${x}" ;;
 323             esac
 324           done
 325         fi
 326         if [ x$enable_m68881 = xno ]
 327         then
 328           old_multidirs="${multidirs}"
 329           multidirs=""
 330           for x in ${old_multidirs}; do
 331             case "$x" in
 332               *m68881* ) : ;;
 333               *) multidirs="${multidirs} ${x}" ;;
 334             esac
 335           done
 336         fi
 337         if [ x$enable_m68000 = xno ]
 338         then
 339           old_multidirs="${multidirs}"
 340           multidirs=""
 341           for x in ${old_multidirs}; do
 342             case "$x" in
 343               *m68000* ) : ;;
 344               *) multidirs="${multidirs} ${x}" ;;
 345             esac
 346           done
 347         fi
 348         if [ x$enable_m68020 = xno ]
 349         then
 350           old_multidirs="${multidirs}"
 351           multidirs=""
 352           for x in ${old_multidirs}; do
 353             case "$x" in
 354               *m68020* ) : ;;
 355               *) multidirs="${multidirs} ${x}" ;;
 356             esac
 357           done
 358         fi
 359         ;;
 360 mips*-*-*)
 361         if [ x$enable_single_float = xno ]
 362         then
 363           old_multidirs="${multidirs}"
 364           multidirs=""
 365           for x in ${old_multidirs}; do
 366             case "$x" in
 367               *single* ) : ;;
 368               *) multidirs="${multidirs} ${x}" ;;
 369             esac
 370           done
 371         fi
 372         if [ x$enable_biendian = xno ]
 373         then
 374           old_multidirs="${multidirs}"
 375           multidirs=""
 376           for x in ${old_multidirs}; do
 377             case "$x" in
 378               *el* ) : ;;
 379               *eb* ) : ;;
 380               *) multidirs="${multidirs} ${x}" ;;
 381             esac
 382           done
 383         fi
 384         if [ x$enable_softfloat = xno ]
 385         then
 386           old_multidirs="${multidirs}"
 387           multidirs=""
 388           for x in ${old_multidirs}; do
 389             case "$x" in
 390               *soft-float* ) : ;;
 391               *) multidirs="${multidirs} ${x}" ;;
 392             esac
 393           done
 394         fi
 395         ;;
 396 msp430-*-*)
 397         if [ x$enable_no_exceptions = xno ]
 398         then
 399           old_multidirs="${multidirs}"
 400           multidirs=""
 401           for x in ${old_multidirs}; do
 402             case "$x" in
 403               *no-exceptions* ) : ;;
 404               *) multidirs="${multidirs} ${x}" ;;
 405             esac
 406           done
 407         fi
 408         ;;
 409 powerpc*-*-* | rs6000*-*-*)
 410         if [ x$enable_aix64 = xno ]
 411         then
 412           old_multidirs="${multidirs}"
 413           multidirs=""
 414           for x in ${old_multidirs}; do
 415             case "$x" in
 416               *ppc64* ) : ;;
 417               *) multidirs="${multidirs} ${x}" ;;
 418             esac
 419           done
 420         fi
 421         if [ x$enable_pthread = xno ]
 422         then
 423           old_multidirs="${multidirs}"
 424           multidirs=""
 425           for x in ${old_multidirs}; do
 426             case "$x" in
 427               *pthread* ) : ;;
 428               *) multidirs="${multidirs} ${x}" ;;
 429             esac
 430           done
 431         fi
 432         if [ x$enable_softfloat = xno ]
 433         then
 434           old_multidirs="${multidirs}"
 435           multidirs=""
 436           for x in ${old_multidirs}; do
 437             case "$x" in
 438               *soft-float* ) : ;;
 439               *) multidirs="${multidirs} ${x}" ;;
 440             esac
 441           done
 442         fi
 443         if [ x$enable_powercpu = xno ]
 444         then
 445           old_multidirs="${multidirs}"
 446           multidirs=""
 447           for x in ${old_multidirs}; do
 448             case "$x" in
 449               power | */power | */power/* ) : ;;
 450               *) multidirs="${multidirs} ${x}" ;;
 451             esac
 452           done
 453         fi
 454         if [ x$enable_powerpccpu = xno ]
 455         then
 456           old_multidirs="${multidirs}"
 457           multidirs=""
 458           for x in ${old_multidirs}; do
 459             case "$x" in
 460               *powerpc* ) : ;;
 461               *) multidirs="${multidirs} ${x}" ;;
 462             esac
 463           done
 464         fi
 465         if [ x$enable_powerpcos = xno ]
 466         then
 467           old_multidirs="${multidirs}"
 468           multidirs=""
 469           for x in ${old_multidirs}; do
 470             case "$x" in
 471               *mcall-linux* | *mcall-solaris* ) : ;;
 472               *) multidirs="${multidirs} ${x}" ;;
 473             esac
 474           done
 475         fi
 476         if [ x$enable_biendian = xno ]
 477         then
 478           old_multidirs="${multidirs}"
 479           multidirs=""
 480           for x in ${old_multidirs}; do
 481             case "$x" in
 482               *mlittle* | *mbig* ) : ;;
 483               *) multidirs="${multidirs} ${x}" ;;
 484             esac
 485           done
 486         fi
 487         if [ x$enable_sysv = xno ]
 488         then
 489           old_multidirs="${multidirs}"
 490           multidirs=""
 491           for x in ${old_multidirs}; do
 492             case "$x" in
 493               *mcall-sysv* ) : ;;
 494               *) multidirs="${multidirs} ${x}" ;;
 495             esac
 496           done
 497         fi
 498         ;;
 499 esac
 500
 501 # Remove extraneous blanks from multidirs.
 502 # Tests like `if [ -n "$multidirs" ]' require it.
 503 multidirs=`echo "$multidirs" | sed -e 's/^[ ][ ]*//' -e 's/[ ][ ]*$//' -e 's/[ ][ ]*/ /g'`
 504
 505 # Add code to library's top level makefile to handle building the multilib
 506 # subdirs.
 507
 508 cat > Multi.tem <<\EOF
 509
 510 PWD_COMMAND=$${PWDCMD-pwd}
 511
 512 multi-do:
 513         @if [ -z "$(MULTIDIRS)" ]; then \
 514           true; \
 515         else \
 516           rootpre=`${PWD_COMMAND}`/; export rootpre; \
 517           srcrootpre=`cd $(srcdir); ${PWD_COMMAND}`/; export srcrootpre; \
 518           lib=`echo "$${rootpre}" | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \
 519           compiler="$(CC)"; \
 520           for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \
 521             dir=`echo $$i | sed -e 's/;.*$$//'`; \
 522             if [ "$${dir}" = "." ]; then \
 523               true; \
 524             else \
 525               if [ -d ../$${dir}/$${lib} ]; then \
 526                 flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
 527                 if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) \
 528                                 CFLAGS="$(CFLAGS) $${flags}" \
 529                                 CCASFLAGS="$(CCASFLAGS) $${flags}" \
 530                                 FCFLAGS="$(FCFLAGS) $${flags}" \
 531                                 FFLAGS="$(FFLAGS) $${flags}" \
 532                                 ADAFLAGS="$(ADAFLAGS) $${flags}" \
 533                                 prefix="$(prefix)" \
 534                                 exec_prefix="$(exec_prefix)" \
 535                                 GOCFLAGS="$(GOCFLAGS) $${flags}" \
 536                                 GDCFLAGS="$(GDCFLAGS) $${flags}" \
 537                                 CXXFLAGS="$(CXXFLAGS) $${flags}" \
 538                                 LIBCFLAGS="$(LIBCFLAGS) $${flags}" \
 539                                 LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \
 540                                 LDFLAGS="$(LDFLAGS) $${flags}" \
 541                                 MULTIFLAGS="$${flags}" \
 542                                 DESTDIR="$(DESTDIR)" \
 543                                 INSTALL="$(INSTALL)" \
 544                                 INSTALL_DATA="$(INSTALL_DATA)" \
 545                                 INSTALL_PROGRAM="$(INSTALL_PROGRAM)" \
 546                                 INSTALL_SCRIPT="$(INSTALL_SCRIPT)" \
 547                                 $(DO)); then \
 548                   true; \
 549                 else \
 550                   exit 1; \
 551                 fi; \
 552               else true; \
 553               fi; \
 554             fi; \
 555           done; \
 556         fi
 557
 558 multi-clean:
 559         @if [ -z "$(MULTIDIRS)" ]; then \
 560           true; \
 561         else \
 562           lib=`${PWD_COMMAND} | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
 563           for dir in : $(MULTIDIRS); do \
 564             test $$dir != : || continue; \
 565 EOF
 566 cat >>Multi.tem <<EOF
 567             if [ -f ../\$\${dir}/\$\${lib}/${Makefile} ]; then \\
 568 EOF
 569 cat >>Multi.tem <<\EOF
 570               if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \
 571               then true; \
 572               else exit 1; \
 573               fi; \
 574             else true; \
 575             fi; \
 576           done; \
 577         fi
 578 EOF
 579
 580 cat ${Makefile} Multi.tem > Makefile.tem
 581 rm -f ${Makefile} Multi.tem
 582 mv Makefile.tem ${Makefile}
 583
 584 fi # ${ml_toplevel_p} = yes
 585
 586 if [ "${ml_verbose}" = --verbose ]; then
 587   echo "Adding multilib support to ${Makefile} in ${ml_realsrcdir}"
 588   if [ "${ml_toplevel_p}" = yes ]; then
 589     echo "multidirs=${multidirs}"
 590   fi
 591   echo "with_multisubdir=${with_multisubdir}"
 592 fi
 593
 594 if [ "${srcdir}" = "." ]; then
 595   if [ "${with_target_subdir}" != "." ]; then
 596     ml_srcdotdot="../"
 597   else
 598     ml_srcdotdot=""
 599   fi
 600 else
 601   ml_srcdotdot=""
 602 fi
 603
 604 if [ -z "${with_multisubdir}" ]; then
 605   ml_subdir=
 606   ml_builddotdot=
 607   : # ml_srcdotdot= # already set
 608 else
 609   ml_subdir="/${with_multisubdir}"
 610   # The '[^/][^/]*' appears that way to work around a SunOS sed bug.
 611   ml_builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`/
 612   if [ "$srcdir" = "." ]; then
 613     ml_srcdotdot=${ml_srcdotdot}${ml_builddotdot}
 614   else
 615     : # ml_srcdotdot= # already set
 616   fi
 617 fi
 618
 619 if [ "${ml_toplevel_p}" = yes ]; then
 620   ml_do='$(MAKE)'
 621   ml_clean='$(MAKE)'
 622 else
 623   ml_do=true
 624   ml_clean=true
 625 fi
 626
 627 # TOP is used by newlib and should not be used elsewhere for this purpose.
 628 # MULTI{SRC,BUILD}TOP are the proper ones to use.  MULTISRCTOP is empty
 629 # when srcdir != builddir.  MULTIBUILDTOP is always some number of ../'s.
 630 # FIXME: newlib needs to be updated to use MULTI{SRC,BUILD}TOP so we can
 631 # delete TOP.  Newlib may wish to continue to use TOP for its own purposes
 632 # of course.
 633 # MULTIDIRS is non-empty for the cpu top level Makefile (eg: newlib/Makefile)
 634 # and lists the subdirectories to recurse into.
 635 # MULTISUBDIR is non-empty in each cpu subdirectory's Makefile
 636 # (eg: newlib/h8300h/Makefile) and is the installed subdirectory name with
 637 # a leading '/'.
 638 # MULTIDO is used for targets like all, install, and check where
 639 # $(FLAGS_TO_PASS) augmented with the subdir's compiler option is needed.
 640 # MULTICLEAN is used for the *clean targets.
 641 #
 642 # ??? It is possible to merge MULTIDO and MULTICLEAN into one.  They are
 643 # currently kept separate because we don't want the *clean targets to require
 644 # the existence of the compiler (which MULTIDO currently requires) and
 645 # therefore we'd have to record the directory options as well as names
 646 # (currently we just record the names and use --print-multi-lib to get the
 647 # options).
 648
 649 sed -e "s:^TOP[         ]*=[    ]*\([./]*\)[    ]*$:TOP = ${ml_builddotdot}\1:" \
 650     -e "s:^MULTISRCTOP[         ]*=.*$:MULTISRCTOP = ${ml_srcdotdot}:" \
 651     -e "s:^MULTIBUILDTOP[       ]*=.*$:MULTIBUILDTOP = ${ml_builddotdot}:" \
 652     -e "s:^MULTIDIRS[   ]*=.*$:MULTIDIRS = ${multidirs}:" \
 653     -e "s:^MULTISUBDIR[         ]*=.*$:MULTISUBDIR = ${ml_subdir}:" \
 654     -e "s:^MULTIDO[     ]*=.*$:MULTIDO = $ml_do:" \
 655     -e "s:^MULTICLEAN[  ]*=.*$:MULTICLEAN = $ml_clean:" \
 656         ${Makefile} > Makefile.tem
 657 rm -f ${Makefile}
 658 mv Makefile.tem ${Makefile}
 659
 660 # If this is the library's top level, configure each multilib subdir.
 661 # This is done at the end because this is the loop that runs configure
 662 # in each multilib subdir and it seemed reasonable to finish updating the
 663 # Makefile before going on to configure the subdirs.
 664
 665 if [ "${ml_toplevel_p}" = yes ]; then
 666
 667 # We must freshly configure each subdirectory.  This bit of code is
 668 # actually partially stolen from the main configure script.  FIXME.
 669
 670 if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
 671
 672   if [ "${ml_verbose}" = --verbose ]; then
 673     echo "Running configure in multilib subdirs ${multidirs}"
 674     echo "pwd: `${PWDCMD-pwd}`"
 675   fi
 676
 677   ml_origdir=`${PWDCMD-pwd}`
 678   ml_libdir=`echo "$ml_origdir" | sed -e 's,^.*/,,'`
 679   # cd to top-level-build-dir/${with_target_subdir}
 680   cd ..
 681
 682   for ml_dir in ${multidirs}; do
 683
 684     if [ "${ml_verbose}" = --verbose ]; then
 685       echo "Running configure in multilib subdir ${ml_dir}"
 686       echo "pwd: `${PWDCMD-pwd}`"
 687     fi
 688
 689     if [ -d ${ml_dir} ]; then true; else
 690       # ``mkdir -p ${ml_dir}'' See also mkinstalldirs.
 691       pathcomp=""
 692       for d in `echo ":${ml_dir}" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`; do
 693         pathcomp="$pathcomp$d"
 694         case "$pathcomp" in
 695           -* ) pathcomp=./$pathcomp ;;
 696         esac
 697         if test ! -d "$pathcomp"; then
 698            echo "mkdir $pathcomp" 1>&2
 699            mkdir "$pathcomp" > /dev/null 2>&1 || lasterr=$?
 700         fi
 701         if test ! -d "$pathcomp"; then
 702            exit $lasterr
 703         fi
 704         pathcomp="$pathcomp/"
 705       done
 706     fi
 707     if [ -d ${ml_dir}/${ml_libdir} ]; then true; else mkdir ${ml_dir}/${ml_libdir}; fi
 708
 709     # Eg: if ${ml_dir} = m68000/m68881, dotdot = ../../
 710     dotdot=../`echo ${ml_dir} | sed -e 's|[^/]||g' -e 's|/|../|g'`
 711
 712     case ${srcdir} in
 713     ".")
 714       echo "Building symlink tree in `${PWDCMD-pwd}`/${ml_dir}/${ml_libdir}"
 715       if [ "${with_target_subdir}" != "." ]; then
 716         ml_unsubdir="../"
 717       else
 718         ml_unsubdir=""
 719       fi
 720       (cd ${ml_dir}/${ml_libdir};
 721        ../${dotdot}${ml_unsubdir}symlink-tree ../${dotdot}${ml_unsubdir}${ml_libdir} "")
 722       if [ -f ${ml_dir}/${ml_libdir}/${Makefile} ]; then
 723         if [ x"${MAKE}" = x ]; then
 724           (cd ${ml_dir}/${ml_libdir}; make distclean)
 725         else
 726           (cd ${ml_dir}/${ml_libdir}; ${MAKE} distclean)
 727         fi
 728       fi
 729       ml_newsrcdir="."
 730       ml_srcdiroption=
 731       multisrctop=${dotdot}
 732       ;;
 733     *)
 734       case "${srcdir}" in
 735       /* | [A-Za-z]:[\\/]* ) # absolute path
 736         ml_newsrcdir=${srcdir}
 737         ;;
 738       *) # otherwise relative
 739         ml_newsrcdir=${dotdot}${srcdir}
 740         ;;
 741       esac
 742       ml_srcdiroption="-srcdir=${ml_newsrcdir}"
 743       multisrctop=
 744       ;;
 745     esac
 746
 747     case "${progname}" in
 748     /* | [A-Za-z]:[\\/]* )     ml_recprog=${progname} ;;
 749     *)      ml_recprog=${dotdot}${progname} ;;
 750     esac
 751
 752     # FIXME: POPDIR=${PWD=`pwd`} doesn't work here.
 753     ML_POPDIR=`${PWDCMD-pwd}`
 754     cd ${ml_dir}/${ml_libdir}
 755
 756     if [ -f ${ml_newsrcdir}/configure ]; then
 757       ml_recprog="${ml_newsrcdir}/configure"
 758     fi
 759
 760     # find compiler flag corresponding to ${ml_dir}
 761     for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
 762       dir=`echo $i | sed -e 's/;.*$//'`
 763       if [ "${dir}" = "${ml_dir}" ]; then
 764         flags=`echo $i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`
 765         break
 766       fi
 767     done
 768     ml_config_env='CC="${CC_}$flags" CXX="${CXX_}$flags" F77="${F77_}$flags" GFORTRAN="${GFORTRAN_}$flags" GOC="${GOC_}$flags" GDC="${GDC_}$flags"'
 769
 770     if [ "${with_target_subdir}" = "." ]; then
 771         CC_=$CC' '
 772         CXX_=$CXX' '
 773         F77_=$F77' '
 774         GFORTRAN_=$GFORTRAN' '
 775         GOC_=$GOC' '
 776         GDC_=$GDC' '
 777     else
 778         # Create a regular expression that matches any string as long
 779         # as ML_POPDIR.
 780         popdir_rx=`echo "${ML_POPDIR}" | sed 's,.,.,g'`
 781         CC_=
 782         for arg in ${CC}; do
 783           case $arg in
 784           -[BIL]"${ML_POPDIR}"/*)
 785             CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\1/p"`' ' ;;
 786           "${ML_POPDIR}"/*)
 787             CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 788           *)
 789             CC_="${CC_}${arg} " ;;
 790           esac
 791         done
 792
 793         CXX_=
 794         for arg in ${CXX}; do
 795           case $arg in
 796           -[BIL]"${ML_POPDIR}"/*)
 797             CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 798           "${ML_POPDIR}"/*)
 799             CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 800           *)
 801             CXX_="${CXX_}${arg} " ;;
 802           esac
 803         done
 804
 805         F77_=
 806         for arg in ${F77}; do
 807           case $arg in
 808           -[BIL]"${ML_POPDIR}"/*)
 809             F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 810           "${ML_POPDIR}"/*)
 811             F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 812           *)
 813             F77_="${F77_}${arg} " ;;
 814           esac
 815         done
 816
 817         GFORTRAN_=
 818         for arg in ${GFORTRAN}; do
 819           case $arg in
 820           -[BIL]"${ML_POPDIR}"/*)
 821             GFORTRAN_="${GFORTRAN_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 822           "${ML_POPDIR}"/*)
 823             GFORTRAN_="${GFORTRAN_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 824           *)
 825             GFORTRAN_="${GFORTRAN_}${arg} " ;;
 826           esac
 827         done
 828
 829         GOC_=
 830         for arg in ${GOC}; do
 831           case $arg in
 832           -[BIL]"${ML_POPDIR}"/*)
 833             GOC_="${GOC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 834           "${ML_POPDIR}"/*)
 835             GOC_="${GOC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 836           *)
 837             GOC_="${GOC_}${arg} " ;;
 838           esac
 839         done
 840
 841         GDC_=
 842         for arg in ${GDC}; do
 843           case $arg in
 844           -[BIL]"${ML_POPDIR}"/*)
 845             GDC_="${GDC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 846           "${ML_POPDIR}"/*)
 847             GDC_="${GDC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 848           *)
 849             GDC_="${GDC_}${arg} " ;;
 850           esac
 851         done
 852
 853         if test "x${LD_LIBRARY_PATH+set}" = xset; then
 854           LD_LIBRARY_PATH_=
 855           for arg in `echo "$LD_LIBRARY_PATH" | tr ':' ' '`; do
 856             case "$arg" in
 857             "${ML_POPDIR}"/*)
 858               arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
 859               ;;
 860             esac
 861             if test "x$LD_LIBRARY_PATH_" != x; then
 862               LD_LIBRARY_PATH_=$LD_LIBRARY_PATH_:$arg
 863             else
 864               LD_LIBRARY_PATH_=$arg
 865             fi
 866           done
 867           ml_config_env="$ml_config_env LD_LIBRARY_PATH=$LD_LIBRARY_PATH_"
 868         fi
 869
 870         if test "x${SHLIB_PATH+set}" = xset; then
 871           SHLIB_PATH_=
 872           for arg in `echo "$SHLIB_PATH" | tr ':' ' '`; do
 873             case "$arg" in
 874             "${ML_POPDIR}"/*)
 875               arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
 876               ;;
 877             esac
 878             if test "x$SHLIB_PATH_" != x; then
 879               SHLIB_PATH_=$SHLIB_PATH_:$arg
 880             else
 881               SHLIB_PATH_=$arg
 882             fi
 883           done
 884           ml_config_env="$ml_config_env SHLIB_PATH=$SHLIB_PATH_"
 885         fi
 886     fi
 887
 888     if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
 889         --with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
 890         "${ac_configure_args}" ${ml_config_env} ${ml_srcdiroption} ; then
 891       true
 892     else
 893       exit 1
 894     fi
 895
 896     cd "${ML_POPDIR}"
 897
 898   done
 899
 900   cd "${ml_origdir}"
 901 fi
 902
 903 fi # ${ml_toplevel_p} = yes
 904 fi # ${enable_multilib} = yes