gnu/dist/texinfo/config.rpath

   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
 147         :
 148       else
 149         ld_shlibs=no
 150       fi
 151       ;;
 152     cygwin* | mingw* | pw32*)
 153       # hardcode_libdir_flag_spec is actually meaningless, as there is
 154       # no search path for DLLs.
 155       hardcode_libdir_flag_spec='-L$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 | grep 'BFD 2\.8' > /dev/null; then
 166         ld_shlibs=no
 167       elif $LD --help 2>&1 | grep ': 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 $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
 178         :
 179       else
 180         ld_shlibs=no
 181       fi
 182       ;;
 183   esac
 184   if test "$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