1: #! /bin/sh
    2: # Output a system dependent set of variables, describing how to set the
    3: # run time search path of shared libraries in an executable.
    4: #
    5: #   Copyright 1996-2003 Free Software Foundation, Inc.
    6: #   Taken from GNU libtool, 2001
    7: #   Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
    8: #
    9: #   This program is free software; you can redistribute it and/or modify
   10: #   it under the terms of the GNU General Public License as published by
   11: #   the Free Software Foundation; either version 2 of the License, or
   12: #   (at your option) any later version.
   13: #
   14: #   This program is distributed in the hope that it will be useful, but
   15: #   WITHOUT ANY WARRANTY; without even the implied warranty of
   16: #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   17: #   General Public License for more details.
   18: #
   19: #   You should have received a copy of the GNU General Public License
   20: #   along with this program; if not, write to the Free Software
   21: #   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
   22: #
   23: #   As a special exception to the GNU General Public License, if you
   24: #   distribute this file as part of a program that contains a
   25: #   configuration script generated by Autoconf, you may include it under
   26: #   the same distribution terms that you use for the rest of that program.
   27: #
   28: # The first argument passed to this file is the canonical host specification,
   29: #    CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
   30: # or
   31: #    CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
   32: # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
   33: # should be set by the caller.
   34: #
   35: # The set of defined variables is at the end of this script.
   36: 
   37: # Known limitations:
   38: # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
   39: #   than 256 bytes, otherwise the compiler driver will dump core. The only
   40: #   known workaround is to choose shorter directory names for the build
   41: #   directory and/or the installation directory.
   42: 
   43: # All known linkers require a `.a' archive for static linking (except M$VC,
   44: # which needs '.lib').
   45: libext=a
   46: shrext=.so
   47: 
   48: host="$1"
   49: host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
   50: host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
   51: host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
   52: 
   53: # Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC.
   54: 
   55: wl=
   56: if test "$GCC" = yes; then
   57:   wl='-Wl,'
   58: else
   59:   case "$host_os" in
   60:     aix*)
   61:       wl='-Wl,'
   62:       ;;
   63:     mingw* | pw32* | os2*)
   64:       ;;
   65:     hpux9* | hpux10* | hpux11*)
   66:       wl='-Wl,'
   67:       ;;
   68:     irix5* | irix6* | nonstopux*)
   69:       wl='-Wl,'
   70:       ;;
   71:     newsos6)
   72:       ;;
   73:     linux*)
   74:       case $CC in
   75:         icc|ecc)
   76:           wl='-Wl,'
   77:           ;;
   78:         ccc)
   79:           wl='-Wl,'
   80:           ;;
   81:       esac
   82:       ;;
   83:     osf3* | osf4* | osf5*)
   84:       wl='-Wl,'
   85:       ;;
   86:     sco3.2v5*)
   87:       ;;
   88:     solaris*)
   89:       wl='-Wl,'
   90:       ;;
   91:     sunos4*)
   92:       wl='-Qoption ld '
   93:       ;;
   94:     sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
   95:       wl='-Wl,'
   96:       ;;
   97:     sysv4*MP*)
   98:       ;;
   99:     uts4*)
  100:       ;;
  101:   esac
  102: fi
  103: 
  104: # Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
  105: 
  106: hardcode_libdir_flag_spec=
  107: hardcode_libdir_separator=
  108: hardcode_direct=no
  109: hardcode_minus_L=no
  110: 
  111: case "$host_os" in
  112:   cygwin* | mingw* | pw32*)
  113:     # FIXME: the MSVC++ port hasn't been tested in a loooong time
  114:     # When not using gcc, we currently assume that we are using
  115:     # Microsoft Visual C++.
  116:     if test "$GCC" != yes; then
  117:       with_gnu_ld=no
  118:     fi
  119:     ;;
  120:   openbsd*)
  121:     with_gnu_ld=no
  122:     ;;
  123: esac
  124: 
  125: ld_shlibs=yes
  126: if test "$with_gnu_ld" = yes; then
  127:   case "$host_os" in
  128:     aix3* | aix4* | aix5*)
  129:       # On AIX/PPC, the GNU linker is very broken
  130:       if test "$host_cpu" != ia64; then
  131:         ld_shlibs=no
  132:       fi
  133:       ;;
  134:     amigaos*)
  135:       hardcode_libdir_flag_spec='-L$libdir'
  136:       hardcode_minus_L=yes
  137:       # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
  138:       # that the semantics of dynamic libraries on AmigaOS, at least up
  139:       # to version 4, is to share data among multiple programs linked
  140:       # with the same dynamic library.  Since this doesn't match the
  141:       # behavior of shared libraries on other platforms, we can use
  142:       # them.
  143:       ld_shlibs=no
  144:       ;;
  145:     beos*)
  146:       if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  147:         :
  148:       else
  149:         ld_shlibs=no
  150:       fi
  151:       ;;
  152:     cygwin* | mingw* | pw32*)
  153:       # hardcode_libdir_flag_spec is actually meaningless, as there is
  154:       # no search path for DLLs.
  155:       hardcode_libdir_flag_spec='-L$libdir'
  156:       if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
  157:         :
  158:       else
  159:         ld_shlibs=no
  160:       fi
  161:       ;;
  162:     netbsd*)
  163:       ;;
  164:     solaris* | sysv5*)
  165:       if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
  166:         ld_shlibs=no
  167:       elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  168:         :
  169:       else
  170:         ld_shlibs=no
  171:       fi
  172:       ;;
  173:     sunos4*)
  174:       hardcode_direct=yes
  175:       ;;
  176:     *)
  177:       if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  178:         :
  179:       else
  180:         ld_shlibs=no
  181:       fi
  182:       ;;
  183:   esac
  184:   if test "$ld_shlibs" = yes; then
  185:     # Unlike libtool, we use -rpath here, not --rpath, since the documented
  186:     # option of GNU ld is called -rpath, not --rpath.
  187:     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  188:   fi
  189: else
  190:   case "$host_os" in
  191:     aix3*)
  192:       # Note: this linker hardcodes the directories in LIBPATH if there
  193:       # are no directories specified by -L.
  194:       hardcode_minus_L=yes
  195:       if test "$GCC" = yes; then
  196:         # Neither direct hardcoding nor static linking is supported with a
  197:         # broken collect2.
  198:         hardcode_direct=unsupported
  199:       fi
  200:       ;;
  201:     aix4* | aix5*)
  202:       if test "$host_cpu" = ia64; then
  203:         # On IA64, the linker does run time linking by default, so we don't
  204:         # have to do anything special.
  205:         aix_use_runtimelinking=no
  206:       else
  207:         aix_use_runtimelinking=no
  208:         # Test if we are trying to use run time linking or normal
  209:         # AIX style linking. If -brtl is somewhere in LDFLAGS, we
  210:         # need to do runtime linking.
  211:         case $host_os in aix4.[23]|aix4.[23].*|aix5*)
  212:           for ld_flag in $LDFLAGS; do
  213:             if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
  214:               aix_use_runtimelinking=yes
  215:               break
  216:             fi
  217:           done
  218:         esac
  219:       fi
  220:       hardcode_direct=yes
  221:       hardcode_libdir_separator=':'
  222:       if test "$GCC" = yes; then
  223:         case $host_os in aix4.[012]|aix4.[012].*)
  224:           collect2name=`${CC} -print-prog-name=collect2`
  225:           if test -f "$collect2name" && \
  226:             strings "$collect2name" | grep resolve_lib_name >/dev/null
  227:           then
  228:             # We have reworked collect2
  229:             hardcode_direct=yes
  230:           else
  231:             # We have old collect2
  232:             hardcode_direct=unsupported
  233:             hardcode_minus_L=yes
  234:             hardcode_libdir_flag_spec='-L$libdir'
  235:             hardcode_libdir_separator=
  236:           fi
  237:         esac
  238:       fi
  239:       # Begin _LT_AC_SYS_LIBPATH_AIX.
  240:       echo 'int main () { return 0; }' > conftest.c
  241:       ${CC} ${LDFLAGS} conftest.c -o conftest
  242:       aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
  243: }'`
  244:       if test -z "$aix_libpath"; then
  245:         aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
  246: }'`
  247:       fi
  248:       if test -z "$aix_libpath"; then
  249:         aix_libpath="/usr/lib:/lib"
  250:       fi
  251:       rm -f conftest.c conftest
  252:       # End _LT_AC_SYS_LIBPATH_AIX.
  253:       if test "$aix_use_runtimelinking" = yes; then
  254:         hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
  255:       else
  256:         if test "$host_cpu" = ia64; then
  257:           hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
  258:         else
  259:           hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
  260:         fi
  261:       fi
  262:       ;;
  263:     amigaos*)
  264:       hardcode_libdir_flag_spec='-L$libdir'
  265:       hardcode_minus_L=yes
  266:       # see comment about different semantics on the GNU ld section
  267:       ld_shlibs=no
  268:       ;;
  269:     bsdi4*)
  270:       ;;
  271:     cygwin* | mingw* | pw32*)
  272:       # When not using gcc, we currently assume that we are using
  273:       # Microsoft Visual C++.
  274:       # hardcode_libdir_flag_spec is actually meaningless, as there is
  275:       # no search path for DLLs.
  276:       hardcode_libdir_flag_spec=' '
  277:       libext=lib
  278:       ;;
  279:     darwin* | rhapsody*)
  280:       if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
  281:         hardcode_direct=no
  282:       fi
  283:       ;;
  284:     dgux*)
  285:       hardcode_libdir_flag_spec='-L$libdir'
  286:       ;;
  287:     freebsd1*)
  288:       ld_shlibs=no
  289:       ;;
  290:     freebsd2.2*)
  291:       hardcode_libdir_flag_spec='-R$libdir'
  292:       hardcode_direct=yes
  293:       ;;
  294:     freebsd2*)
  295:       hardcode_direct=yes
  296:       hardcode_minus_L=yes
  297:       ;;
  298:     freebsd*)
  299:       hardcode_libdir_flag_spec='-R$libdir'
  300:       hardcode_direct=yes
  301:       ;;
  302:     hpux9*)
  303:       hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
  304:       hardcode_libdir_separator=:
  305:       hardcode_direct=yes
  306:       # hardcode_minus_L: Not really in the search PATH,
  307:       # but as the default location of the library.
  308:       hardcode_minus_L=yes
  309:       ;;
  310:     hpux10* | hpux11*)
  311:       if test "$with_gnu_ld" = no; then
  312:         case "$host_cpu" in
  313:           hppa*64*)
  314:             hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
  315:             hardcode_libdir_separator=:
  316:             hardcode_direct=no
  317:             ;;
  318:           ia64*)
  319:             hardcode_libdir_flag_spec='-L$libdir'
  320:             hardcode_direct=no
  321:             # hardcode_minus_L: Not really in the search PATH,
  322:             # but as the default location of the library.
  323:             hardcode_minus_L=yes
  324:             ;;
  325:           *)
  326:             hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
  327:             hardcode_libdir_separator=:
  328:             hardcode_direct=yes
  329:             # hardcode_minus_L: Not really in the search PATH,
  330:             # but as the default location of the library.
  331:             hardcode_minus_L=yes
  332:             ;;
  333:         esac
  334:       fi
  335:       ;;
  336:     irix5* | irix6* | nonstopux*)
  337:       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  338:       hardcode_libdir_separator=:
  339:       ;;
  340:     netbsd*)
  341:       hardcode_libdir_flag_spec='-R$libdir'
  342:       hardcode_direct=yes
  343:       ;;
  344:     newsos6)
  345:       hardcode_direct=yes
  346:       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  347:       hardcode_libdir_separator=:
  348:       ;;
  349:     openbsd*)
  350:       hardcode_direct=yes
  351:       if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
  352:         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
  353:       else
  354:         case "$host_os" in
  355:           openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
  356:             hardcode_libdir_flag_spec='-R$libdir'
  357:             ;;
  358:           *)
  359:             hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
  360:             ;;
  361:         esac
  362:       fi
  363:       ;;
  364:     os2*)
  365:       hardcode_libdir_flag_spec='-L$libdir'
  366:       hardcode_minus_L=yes
  367:       ;;
  368:     osf3*)
  369:       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  370:       hardcode_libdir_separator=:
  371:       ;;
  372:     osf4* | osf5*)
  373:       if test "$GCC" = yes; then
  374:         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  375:       else
  376:         # Both cc and cxx compiler support -rpath directly
  377:         hardcode_libdir_flag_spec='-rpath $libdir'
  378:       fi
  379:       hardcode_libdir_separator=:
  380:       ;;
  381:     sco3.2v5*)
  382:       ;;
  383:     solaris*)
  384:       hardcode_libdir_flag_spec='-R$libdir'
  385:       ;;
  386:     sunos4*)
  387:       hardcode_libdir_flag_spec='-L$libdir'
  388:       hardcode_direct=yes
  389:       hardcode_minus_L=yes
  390:       ;;
  391:     sysv4)
  392:       case $host_vendor in
  393:         sni)
  394:           hardcode_direct=yes # is this really true???
  395:           ;;
  396:         siemens)
  397:           hardcode_direct=no
  398:           ;;
  399:         motorola)
  400:           hardcode_direct=no #Motorola manual says yes, but my tests say they lie
  401:           ;;
  402:       esac
  403:       ;;
  404:     sysv4.3*)
  405:       ;;
  406:     sysv4*MP*)
  407:       if test -d /usr/nec; then
  408:         ld_shlibs=yes
  409:       fi
  410:       ;;
  411:     sysv4.2uw2*)
  412:       hardcode_direct=yes
  413:       hardcode_minus_L=no
  414:       ;;
  415:     sysv5OpenUNIX8* | sysv5UnixWare7* |  sysv5uw[78]* | unixware7*)
  416:       ;;
  417:     sysv5*)
  418:       hardcode_libdir_flag_spec=
  419:       ;;
  420:     uts4*)
  421:       hardcode_libdir_flag_spec='-L$libdir'
  422:       ;;
  423:     *)
  424:       ld_shlibs=no
  425:       ;;
  426:   esac
  427: fi
  428: 
  429: # Check dynamic linker characteristics
  430: # Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
  431: libname_spec='lib$name'
  432: case "$host_os" in
  433:   aix3*)
  434:     ;;
  435:   aix4* | aix5*)
  436:     ;;
  437:   amigaos*)
  438:     ;;
  439:   beos*)
  440:     ;;
  441:   bsdi4*)
  442:     ;;
  443:   cygwin* | mingw* | pw32*)
  444:     shrext=.dll
  445:     ;;
  446:   darwin* | rhapsody*)
  447:     shrext=.dylib
  448:     ;;
  449:   dgux*)
  450:     ;;
  451:   freebsd1*)
  452:     ;;
  453:   freebsd*)
  454:     ;;
  455:   gnu*)
  456:     ;;
  457:   hpux9* | hpux10* | hpux11*)
  458:     case "$host_cpu" in
  459:       ia64*)
  460:         shrext=.so
  461:         ;;
  462:       hppa*64*)
  463:         shrext=.sl
  464:         ;;
  465:       *)
  466:         shrext=.sl
  467:         ;;
  468:     esac
  469:     ;;
  470:   irix5* | irix6* | nonstopux*)
  471:     case "$host_os" in
  472:       irix5* | nonstopux*)
  473:         libsuff= shlibsuff=
  474:         ;;
  475:       *)
  476:         case $LD in
  477:           *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
  478:           *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
  479:           *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
  480:           *) libsuff= shlibsuff= ;;
  481:         esac
  482:         ;;
  483:     esac
  484:     ;;
  485:   linux*oldld* | linux*aout* | linux*coff*)
  486:     ;;
  487:   linux*)
  488:     ;;
  489:   netbsd*)
  490:     ;;
  491:   newsos6)
  492:     ;;
  493:   nto-qnx)
  494:     ;;
  495:   openbsd*)
  496:     ;;
  497:   os2*)
  498:     libname_spec='$name'
  499:     shrext=.dll
  500:     ;;
  501:   osf3* | osf4* | osf5*)
  502:     ;;
  503:   sco3.2v5*)
  504:     ;;
  505:   solaris*)
  506:     ;;
  507:   sunos4*)
  508:     ;;
  509:   sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
  510:     ;;
  511:   sysv4*MP*)
  512:     ;;
  513:   uts4*)
  514:     ;;
  515: esac
  516: 
  517: sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
  518: escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
  519: shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
  520: escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
  521: 
  522: sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
  523: 
  524: # How to pass a linker flag through the compiler.
  525: wl="$escaped_wl"
  526: 
  527: # Static library suffix (normally "a").
  528: libext="$libext"
  529: 
  530: # Shared library suffix (normally "so").
  531: shlibext="$shlibext"
  532: 
  533: # Flag to hardcode \$libdir into a binary during linking.
  534: # This must work even if \$libdir does not exist.
  535: hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
  536: 
  537: # Whether we need a single -rpath flag with a separated argument.
  538: hardcode_libdir_separator="$hardcode_libdir_separator"
  539: 
  540: # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
  541: # resulting binary.
  542: hardcode_direct="$hardcode_direct"
  543: 
  544: # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
  545: # resulting binary.
  546: hardcode_minus_L="$hardcode_minus_L"
  547: 
  548: EOF