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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 1996-2005 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 file is free software; the Free Software Foundation gives
     10 #   unlimited permission to copy and/or distribute it, with or without
     11 #   modifications, as long as this notice is preserved.
     12 #
     13 # The first argument passed to this file is the canonical host specification,
     14 #    CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
     15 # or
     16 #    CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
     17 # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
     18 # should be set by the caller.
     19 #
     20 # The set of defined variables is at the end of this script.
     21 
     22 # Known limitations:
     23 # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
     24 #   than 256 bytes, otherwise the compiler driver will dump core. The only
     25 #   known workaround is to choose shorter directory names for the build
     26 #   directory and/or the installation directory.
     27 
     28 # All known linkers require a `.a' archive for static linking (except M$VC,
     29 # which needs '.lib').
     30 libext=a
     31 shrext=.so
     32 
     33 host="$1"
     34 host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
     35 host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
     36 host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
     37 
     38 cc_basename=`echo "$CC" | sed -e 's%^.*/%%'`
     39 
     40 # Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC.
     41 
     42 wl=
     43 if test "$GCC" = yes; then
     44   wl='-Wl,'
     45 else
     46   case "$host_os" in
     47     aix*)
     48       wl='-Wl,'
     49       ;;
     50     darwin*)
     51       case "$cc_basename" in
     52         xlc*)
     53           wl='-Wl,'
     54           ;;
     55       esac
     56       ;;
     57     mingw* | pw32* | os2*)
     58       ;;
     59     hpux9* | hpux10* | hpux11*)
     60       wl='-Wl,'
     61       ;;
     62     irix5* | irix6* | nonstopux*)
     63       wl='-Wl,'
     64       ;;
     65     newsos6)
     66       ;;
     67     linux*)
     68       case $cc_basename in
     69         icc* | ecc*)
     70           wl='-Wl,'
     71           ;;
     72         pgcc | pgf77 | pgf90)
     73           wl='-Wl,'
     74           ;;
     75         ccc*)
     76           wl='-Wl,'
     77           ;;
     78         como)
     79           wl='-lopt='
     80           ;;
     81       esac
     82       ;;
     83     osf3* | osf4* | osf5*)
     84       wl='-Wl,'
     85       ;;
     86     sco3.2v5*)
     87       ;;
     88     solaris*)
     89       wl='-Wl,'
     90       ;;
     91     sunos4*)
     92       wl='-Qoption ld '
     93       ;;
     94     sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
     95       wl='-Wl,'
     96       ;;
     97     sysv4*MP*)
     98       ;;
     99     unicos*)
    100       wl='-Wl,'
    101       ;;
    102     uts4*)
    103       ;;
    104   esac
    105 fi
    106 
    107 # Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
    108 
    109 hardcode_libdir_flag_spec=
    110 hardcode_libdir_separator=
    111 hardcode_direct=no
    112 hardcode_minus_L=no
    113 
    114 case "$host_os" in
    115   cygwin* | mingw* | pw32*)
    116     # FIXME: the MSVC++ port hasn't been tested in a loooong time
    117     # When not using gcc, we currently assume that we are using
    118     # Microsoft Visual C++.
    119     if test "$GCC" != yes; then
    120       with_gnu_ld=no
    121     fi
    122     ;;
    123   openbsd*)
    124     with_gnu_ld=no
    125     ;;
    126 esac
    127 
    128 ld_shlibs=yes
    129 if test "$with_gnu_ld" = yes; then
    130   case "$host_os" in
    131     aix3* | aix4* | aix5*)
    132       # On AIX/PPC, the GNU linker is very broken
    133       if test "$host_cpu" != ia64; then
    134         ld_shlibs=no
    135       fi
    136       ;;
    137     amigaos*)
    138       hardcode_libdir_flag_spec='-L$libdir'
    139       hardcode_minus_L=yes
    140       # Samuel A. Falvo II <kc5tja (at] dolphin.openprojects.net> reports
    141       # that the semantics of dynamic libraries on AmigaOS, at least up
    142       # to version 4, is to share data among multiple programs linked
    143       # with the same dynamic library.  Since this doesn't match the
    144       # behavior of shared libraries on other platforms, we cannot use
    145       # them.
    146       ld_shlibs=no
    147       ;;
    148     beos*)
    149       if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
    150         :
    151       else
    152         ld_shlibs=no
    153       fi
    154       ;;
    155     cygwin* | mingw* | pw32*)
    156       # hardcode_libdir_flag_spec is actually meaningless, as there is
    157       # no search path for DLLs.
    158       hardcode_libdir_flag_spec='-L$libdir'
    159       if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
    160         :
    161       else
    162         ld_shlibs=no
    163       fi
    164       ;;
    165     netbsd*)
    166       ;;
    167     solaris* | sysv5*)
    168       if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
    169         ld_shlibs=no
    170       elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
    171         :
    172       else
    173         ld_shlibs=no
    174       fi
    175       ;;
    176     sunos4*)
    177       hardcode_direct=yes
    178       ;;
    179     linux*)
    180       if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
    181         :
    182       else
    183         ld_shlibs=no
    184       fi
    185       ;;
    186     *)
    187       if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
    188         :
    189       else
    190         ld_shlibs=no
    191       fi
    192       ;;
    193   esac
    194   if test "$ld_shlibs" = yes; then
    195     # Unlike libtool, we use -rpath here, not --rpath, since the documented
    196     # option of GNU ld is called -rpath, not --rpath.
    197     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    198   fi
    199 else
    200   case "$host_os" in
    201     aix3*)
    202       # Note: this linker hardcodes the directories in LIBPATH if there
    203       # are no directories specified by -L.
    204       hardcode_minus_L=yes
    205       if test "$GCC" = yes; then
    206         # Neither direct hardcoding nor static linking is supported with a
    207         # broken collect2.
    208         hardcode_direct=unsupported
    209       fi
    210       ;;
    211     aix4* | aix5*)
    212       if test "$host_cpu" = ia64; then
    213         # On IA64, the linker does run time linking by default, so we don't
    214         # have to do anything special.
    215         aix_use_runtimelinking=no
    216       else
    217         aix_use_runtimelinking=no
    218         # Test if we are trying to use run time linking or normal
    219         # AIX style linking. If -brtl is somewhere in LDFLAGS, we
    220         # need to do runtime linking.
    221         case $host_os in aix4.[23]|aix4.[23].*|aix5*)
    222           for ld_flag in $LDFLAGS; do
    223             if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
    224               aix_use_runtimelinking=yes
    225               break
    226             fi
    227           done
    228         esac
    229       fi
    230       hardcode_direct=yes
    231       hardcode_libdir_separator=':'
    232       if test "$GCC" = yes; then
    233         case $host_os in aix4.[012]|aix4.[012].*)
    234           collect2name=`${CC} -print-prog-name=collect2`
    235           if test -f "$collect2name" && \
    236             strings "$collect2name" | grep resolve_lib_name >/dev/null
    237           then
    238             # We have reworked collect2
    239             hardcode_direct=yes
    240           else
    241             # We have old collect2
    242             hardcode_direct=unsupported
    243             hardcode_minus_L=yes
    244             hardcode_libdir_flag_spec='-L$libdir'
    245             hardcode_libdir_separator=
    246           fi
    247         esac
    248       fi
    249       # Begin _LT_AC_SYS_LIBPATH_AIX.
    250       echo 'int main () { return 0; }' > conftest.c
    251       ${CC} ${LDFLAGS} conftest.c -o conftest
    252       aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
    253 }'`
    254       if test -z "$aix_libpath"; then
    255         aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
    256 }'`
    257       fi
    258       if test -z "$aix_libpath"; then
    259         aix_libpath="/usr/lib:/lib"
    260       fi
    261       rm -f conftest.c conftest
    262       # End _LT_AC_SYS_LIBPATH_AIX.
    263       if test "$aix_use_runtimelinking" = yes; then
    264         hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
    265       else
    266         if test "$host_cpu" = ia64; then
    267           hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
    268         else
    269           hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
    270         fi
    271       fi
    272       ;;
    273     amigaos*)
    274       hardcode_libdir_flag_spec='-L$libdir'
    275       hardcode_minus_L=yes
    276       # see comment about different semantics on the GNU ld section
    277       ld_shlibs=no
    278       ;;
    279     bsdi[45]*)
    280       ;;
    281     cygwin* | mingw* | pw32*)
    282       # When not using gcc, we currently assume that we are using
    283       # Microsoft Visual C++.
    284       # hardcode_libdir_flag_spec is actually meaningless, as there is
    285       # no search path for DLLs.
    286       hardcode_libdir_flag_spec=' '
    287       libext=lib
    288       ;;
    289     darwin* | rhapsody*)
    290       hardcode_direct=no
    291       if test "$GCC" = yes ; then
    292         :
    293       else
    294         case "$cc_basename" in
    295           xlc*)
    296             ;;
    297           *)
    298             ld_shlibs=no
    299             ;;
    300         esac
    301       fi
    302       ;;
    303     dgux*)
    304       hardcode_libdir_flag_spec='-L$libdir'
    305       ;;
    306     freebsd1*)
    307       ld_shlibs=no
    308       ;;
    309     freebsd2.2*)
    310       hardcode_libdir_flag_spec='-R$libdir'
    311       hardcode_direct=yes
    312       ;;
    313     freebsd2*)
    314       hardcode_direct=yes
    315       hardcode_minus_L=yes
    316       ;;
    317     freebsd* | kfreebsd*-gnu | dragonfly*)
    318       hardcode_libdir_flag_spec='-R$libdir'
    319       hardcode_direct=yes
    320       ;;
    321     hpux9*)
    322       hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    323       hardcode_libdir_separator=:
    324       hardcode_direct=yes
    325       # hardcode_minus_L: Not really in the search PATH,
    326       # but as the default location of the library.
    327       hardcode_minus_L=yes
    328       ;;
    329     hpux10* | hpux11*)
    330       if test "$with_gnu_ld" = no; then
    331         case "$host_cpu" in
    332           hppa*64*)
    333             hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    334             hardcode_libdir_separator=:
    335             hardcode_direct=no
    336             ;;
    337           ia64*)
    338             hardcode_libdir_flag_spec='-L$libdir'
    339             hardcode_direct=no
    340             # hardcode_minus_L: Not really in the search PATH,
    341             # but as the default location of the library.
    342             hardcode_minus_L=yes
    343             ;;
    344           *)
    345             hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    346             hardcode_libdir_separator=:
    347             hardcode_direct=yes
    348             # hardcode_minus_L: Not really in the search PATH,
    349             # but as the default location of the library.
    350             hardcode_minus_L=yes
    351             ;;
    352         esac
    353       fi
    354       ;;
    355     irix5* | irix6* | nonstopux*)
    356       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    357       hardcode_libdir_separator=:
    358       ;;
    359     netbsd*)
    360       hardcode_libdir_flag_spec='-R$libdir'
    361       hardcode_direct=yes
    362       ;;
    363     newsos6)
    364       hardcode_direct=yes
    365       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    366       hardcode_libdir_separator=:
    367       ;;
    368     openbsd*)
    369       hardcode_direct=yes
    370       if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
    371         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
    372       else
    373         case "$host_os" in
    374           openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
    375             hardcode_libdir_flag_spec='-R$libdir'
    376             ;;
    377           *)
    378             hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
    379             ;;
    380         esac
    381       fi
    382       ;;
    383     os2*)
    384       hardcode_libdir_flag_spec='-L$libdir'
    385       hardcode_minus_L=yes
    386       ;;
    387     osf3*)
    388       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    389       hardcode_libdir_separator=:
    390       ;;
    391     osf4* | osf5*)
    392       if test "$GCC" = yes; then
    393         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    394       else
    395         # Both cc and cxx compiler support -rpath directly
    396         hardcode_libdir_flag_spec='-rpath $libdir'
    397       fi
    398       hardcode_libdir_separator=:
    399       ;;
    400     sco3.2v5*)
    401       ;;
    402     solaris*)
    403       hardcode_libdir_flag_spec='-R$libdir'
    404       ;;
    405     sunos4*)
    406       hardcode_libdir_flag_spec='-L$libdir'
    407       hardcode_direct=yes
    408       hardcode_minus_L=yes
    409       ;;
    410     sysv4)
    411       case $host_vendor in
    412         sni)
    413           hardcode_direct=yes # is this really true???
    414           ;;
    415         siemens)
    416           hardcode_direct=no
    417           ;;
    418         motorola)
    419           hardcode_direct=no #Motorola manual says yes, but my tests say they lie
    420           ;;
    421       esac
    422       ;;
    423     sysv4.3*)
    424       ;;
    425     sysv4*MP*)
    426       if test -d /usr/nec; then
    427         ld_shlibs=yes
    428       fi
    429       ;;
    430     sysv4.2uw2*)
    431       hardcode_direct=yes
    432       hardcode_minus_L=no
    433       ;;
    434     sysv5OpenUNIX8* | sysv5UnixWare7* |  sysv5uw[78]* | unixware7*)
    435       ;;
    436     sysv5*)
    437       hardcode_libdir_flag_spec=
    438       ;;
    439     uts4*)
    440       hardcode_libdir_flag_spec='-L$libdir'
    441       ;;
    442     *)
    443       ld_shlibs=no
    444       ;;
    445   esac
    446 fi
    447 
    448 # Check dynamic linker characteristics
    449 # Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
    450 libname_spec='lib$name'
    451 case "$host_os" in
    452   aix3*)
    453     ;;
    454   aix4* | aix5*)
    455     ;;
    456   amigaos*)
    457     ;;
    458   beos*)
    459     ;;
    460   bsdi[45]*)
    461     ;;
    462   cygwin* | mingw* | pw32*)
    463     shrext=.dll
    464     ;;
    465   darwin* | rhapsody*)
    466     shrext=.dylib
    467     ;;
    468   dgux*)
    469     ;;
    470   freebsd1*)
    471     ;;
    472   kfreebsd*-gnu)
    473     ;;
    474   freebsd*)
    475     ;;
    476   gnu*)
    477     ;;
    478   hpux9* | hpux10* | hpux11*)
    479     case "$host_cpu" in
    480       ia64*)
    481         shrext=.so
    482         ;;
    483       hppa*64*)
    484         shrext=.sl
    485         ;;
    486       *)
    487         shrext=.sl
    488         ;;
    489     esac
    490     ;;
    491   irix5* | irix6* | nonstopux*)
    492     case "$host_os" in
    493       irix5* | nonstopux*)
    494         libsuff= shlibsuff=
    495         ;;
    496       *)
    497         case $LD in
    498           *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
    499           *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
    500           *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
    501           *) libsuff= shlibsuff= ;;
    502         esac
    503         ;;
    504     esac
    505     ;;
    506   linux*oldld* | linux*aout* | linux*coff*)
    507     ;;
    508   linux*)
    509     ;;
    510   knetbsd*-gnu)
    511     ;;
    512   netbsd*)
    513     ;;
    514   newsos6)
    515     ;;
    516   nto-qnx*)
    517     ;;
    518   openbsd*)
    519     ;;
    520   os2*)
    521     libname_spec='$name'
    522     shrext=.dll
    523     ;;
    524   osf3* | osf4* | osf5*)
    525     ;;
    526   sco3.2v5*)
    527     ;;
    528   solaris*)
    529     ;;
    530   sunos4*)
    531     ;;
    532   sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
    533     ;;
    534   sysv4*MP*)
    535     ;;
    536   uts4*)
    537     ;;
    538 esac
    539 
    540 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
    541 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
    542 shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
    543 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
    544 
    545 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
    546 
    547 # How to pass a linker flag through the compiler.
    548 wl="$escaped_wl"
    549 
    550 # Static library suffix (normally "a").
    551 libext="$libext"
    552 
    553 # Shared library suffix (normally "so").
    554 shlibext="$shlibext"
    555 
    556 # Flag to hardcode \$libdir into a binary during linking.
    557 # This must work even if \$libdir does not exist.
    558 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
    559 
    560 # Whether we need a single -rpath flag with a separated argument.
    561 hardcode_libdir_separator="$hardcode_libdir_separator"
    562 
    563 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
    564 # resulting binary.
    565 hardcode_direct="$hardcode_direct"
    566 
    567 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
    568 # resulting binary.
    569 hardcode_minus_L="$hardcode_minus_L"
    570 
    571 EOF
    572