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      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 (at] 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 "$host_os" in
    128     aix[3-9]*)
    129       # On AIX/PPC, the GNU linker is very broken
    130       if test "$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 (at] 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     aix[4-9]*)
    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].*|aix[5-9]*)
    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     freebsd2.2*)
    288       hardcode_libdir_flag_spec='-R$libdir'
    289       hardcode_direct=yes
    290       ;;
    291     freebsd2*)
    292       hardcode_direct=yes
    293       hardcode_minus_L=yes
    294       ;;
    295     freebsd*)
    296       hardcode_libdir_flag_spec='-R$libdir'
    297       hardcode_direct=yes
    298       ;;
    299     hpux9*)
    300       hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    301       hardcode_libdir_separator=:
    302       hardcode_direct=yes
    303       # hardcode_minus_L: Not really in the search PATH,
    304       # but as the default location of the library.
    305       hardcode_minus_L=yes
    306       ;;
    307     hpux10* | hpux11*)
    308       if test "$with_gnu_ld" = no; then
    309         case "$host_cpu" in
    310           hppa*64*)
    311             hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    312             hardcode_libdir_separator=:
    313             hardcode_direct=no
    314             ;;
    315           ia64*)
    316             hardcode_libdir_flag_spec='-L$libdir'
    317             hardcode_direct=no
    318             # hardcode_minus_L: Not really in the search PATH,
    319             # but as the default location of the library.
    320             hardcode_minus_L=yes
    321             ;;
    322           *)
    323             hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    324             hardcode_libdir_separator=:
    325             hardcode_direct=yes
    326             # hardcode_minus_L: Not really in the search PATH,
    327             # but as the default location of the library.
    328             hardcode_minus_L=yes
    329             ;;
    330         esac
    331       fi
    332       ;;
    333     irix5* | irix6* | nonstopux*)
    334       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    335       hardcode_libdir_separator=:
    336       ;;
    337     netbsd*)
    338       hardcode_libdir_flag_spec='-R$libdir'
    339       hardcode_direct=yes
    340       ;;
    341     newsos6)
    342       hardcode_direct=yes
    343       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    344       hardcode_libdir_separator=:
    345       ;;
    346     openbsd*)
    347       hardcode_direct=yes
    348       if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
    349         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
    350       else
    351         case "$host_os" in
    352           openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
    353             hardcode_libdir_flag_spec='-R$libdir'
    354             ;;
    355           *)
    356             hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
    357             ;;
    358         esac
    359       fi
    360       ;;
    361     os2*)
    362       hardcode_libdir_flag_spec='-L$libdir'
    363       hardcode_minus_L=yes
    364       ;;
    365     osf3*)
    366       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    367       hardcode_libdir_separator=:
    368       ;;
    369     osf4* | osf5*)
    370       if test "$GCC" = yes; then
    371         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    372       else
    373         # Both cc and cxx compiler support -rpath directly
    374         hardcode_libdir_flag_spec='-rpath $libdir'
    375       fi
    376       hardcode_libdir_separator=:
    377       ;;
    378     sco3.2v5*)
    379       ;;
    380     solaris*)
    381       hardcode_libdir_flag_spec='-R$libdir'
    382       ;;
    383     sunos4*)
    384       hardcode_libdir_flag_spec='-L$libdir'
    385       hardcode_direct=yes
    386       hardcode_minus_L=yes
    387       ;;
    388     sysv4)
    389       case $host_vendor in
    390         sni)
    391           hardcode_direct=yes # is this really true???
    392           ;;
    393         siemens)
    394           hardcode_direct=no
    395           ;;
    396         motorola)
    397           hardcode_direct=no #Motorola manual says yes, but my tests say they lie
    398           ;;
    399       esac
    400       ;;
    401     sysv4.3*)
    402       ;;
    403     sysv4*MP*)
    404       if test -d /usr/nec; then
    405         ld_shlibs=yes
    406       fi
    407       ;;
    408     sysv4.2uw2*)
    409       hardcode_direct=yes
    410       hardcode_minus_L=no
    411       ;;
    412     sysv5OpenUNIX8* | sysv5UnixWare7* |  sysv5uw[78]* | unixware7*)
    413       ;;
    414     sysv5*)
    415       hardcode_libdir_flag_spec=
    416       ;;
    417     uts4*)
    418       hardcode_libdir_flag_spec='-L$libdir'
    419       ;;
    420     *)
    421       ld_shlibs=no
    422       ;;
    423   esac
    424 fi
    425 
    426 # Check dynamic linker characteristics
    427 # Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
    428 libname_spec='lib$name'
    429 case "$host_os" in
    430   aix3*)
    431     ;;
    432   aix[4-9]*)
    433     ;;
    434   amigaos*)
    435     ;;
    436   beos*)
    437     ;;
    438   bsdi4*)
    439     ;;
    440   cygwin* | mingw* | pw32*)
    441     shrext=.dll
    442     ;;
    443   darwin* | rhapsody*)
    444     shrext=.dylib
    445     ;;
    446   dgux*)
    447     ;;
    448   freebsd*)
    449     ;;
    450   gnu*)
    451     ;;
    452   hpux9* | hpux10* | hpux11*)
    453     case "$host_cpu" in
    454       ia64*)
    455         shrext=.so
    456         ;;
    457       hppa*64*)
    458         shrext=.sl
    459         ;;
    460       *)
    461         shrext=.sl
    462         ;;
    463     esac
    464     ;;
    465   irix5* | irix6* | nonstopux*)
    466     case "$host_os" in
    467       irix5* | nonstopux*)
    468         libsuff= shlibsuff=
    469         ;;
    470       *)
    471         case $LD in
    472           *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
    473           *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
    474           *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
    475           *) libsuff= shlibsuff= ;;
    476         esac
    477         ;;
    478     esac
    479     ;;
    480   linux*oldld* | linux*aout* | linux*coff*)
    481     ;;
    482   linux*)
    483     ;;
    484   netbsd*)
    485     ;;
    486   newsos6)
    487     ;;
    488   nto-qnx)
    489     ;;
    490   openbsd*)
    491     ;;
    492   os2*)
    493     libname_spec='$name'
    494     shrext=.dll
    495     ;;
    496   osf3* | osf4* | osf5*)
    497     ;;
    498   sco3.2v5*)
    499     ;;
    500   solaris*)
    501     ;;
    502   sunos4*)
    503     ;;
    504   sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
    505     ;;
    506   sysv4*MP*)
    507     ;;
    508   uts4*)
    509     ;;
    510 esac
    511 
    512 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
    513 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
    514 shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
    515 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
    516 
    517 sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
    518 
    519 # How to pass a linker flag through the compiler.
    520 wl="$escaped_wl"
    521 
    522 # Static library suffix (normally "a").
    523 libext="$libext"
    524 
    525 # Shared library suffix (normally "so").
    526 shlibext="$shlibext"
    527 
    528 # Flag to hardcode \$libdir into a binary during linking.
    529 # This must work even if \$libdir does not exist.
    530 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
    531 
    532 # Whether we need a single -rpath flag with a separated argument.
    533 hardcode_libdir_separator="$hardcode_libdir_separator"
    534 
    535 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
    536 # resulting binary.
    537 hardcode_direct="$hardcode_direct"
    538 
    539 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
    540 # resulting binary.
    541 hardcode_minus_L="$hardcode_minus_L"
    542 
    543 EOF
    544