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 1996-2008 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 MSVC, 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 # Code taken from libtool.m4's _LT_CC_BASENAME. 39 40 for cc_temp in $CC""; do 41 case $cc_temp in 42 compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; 43 distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; 44 \-*) ;; 45 *) break;; 46 esac 47 done 48 cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'` 49 50 # Code taken from libtool.m4's _LT_COMPILER_PIC. 51 52 wl= 53 if test "$GCC" = yes; then 54 wl='-Wl,' 55 else 56 case "$host_os" in 57 aix*) 58 wl='-Wl,' 59 ;; 60 darwin*) 61 case $cc_basename in 62 xlc*) 63 wl='-Wl,' 64 ;; 65 esac 66 ;; 67 mingw* | cygwin* | pw32* | os2* | cegcc*) 68 ;; 69 hpux9* | hpux10* | hpux11*) 70 wl='-Wl,' 71 ;; 72 irix5* | irix6* | nonstopux*) 73 wl='-Wl,' 74 ;; 75 newsos6) 76 ;; 77 linux* | k*bsd*-gnu) 78 case $cc_basename in 79 ecc*) 80 wl='-Wl,' 81 ;; 82 icc* | ifort*) 83 wl='-Wl,' 84 ;; 85 lf95*) 86 wl='-Wl,' 87 ;; 88 pgcc | pgf77 | pgf90) 89 wl='-Wl,' 90 ;; 91 ccc*) 92 wl='-Wl,' 93 ;; 94 como) 95 wl='-lopt=' 96 ;; 97 *) 98 case `$CC -V 2>&1 | sed 5q` in 99 *Sun\ C*) 100 wl='-Wl,' 101 ;; 102 esac 103 ;; 104 esac 105 ;; 106 osf3* | osf4* | osf5*) 107 wl='-Wl,' 108 ;; 109 rdos*) 110 ;; 111 solaris*) 112 wl='-Wl,' 113 ;; 114 sunos4*) 115 wl='-Qoption ld ' 116 ;; 117 sysv4 | sysv4.2uw2* | sysv4.3*) 118 wl='-Wl,' 119 ;; 120 sysv4*MP*) 121 ;; 122 sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) 123 wl='-Wl,' 124 ;; 125 unicos*) 126 wl='-Wl,' 127 ;; 128 uts4*) 129 ;; 130 esac 131 fi 132 133 # Code taken from libtool.m4's _LT_LINKER_SHLIBS. 134 135 hardcode_libdir_flag_spec= 136 hardcode_libdir_separator= 137 hardcode_direct=no 138 hardcode_minus_L=no 139 140 case "$host_os" in 141 cygwin* | mingw* | pw32* | cegcc*) 142 # FIXME: the MSVC++ port hasn't been tested in a loooong time 143 # When not using gcc, we currently assume that we are using 144 # Microsoft Visual C++. 145 if test "$GCC" != yes; then 146 with_gnu_ld=no 147 fi 148 ;; 149 interix*) 150 # we just hope/assume this is gcc and not c89 (= MSVC++) 151 with_gnu_ld=yes 152 ;; 153 openbsd*) 154 with_gnu_ld=no 155 ;; 156 esac 157 158 ld_shlibs=yes 159 if test "$with_gnu_ld" = yes; then 160 # Set some defaults for GNU ld with shared library support. These 161 # are reset later if shared libraries are not supported. Putting them 162 # here allows them to be overridden if necessary. 163 # Unlike libtool, we use -rpath here, not --rpath, since the documented 164 # option of GNU ld is called -rpath, not --rpath. 165 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 166 case "$host_os" in 167 aix[3-9]*) 168 # On AIX/PPC, the GNU linker is very broken 169 if test "$host_cpu" != ia64; then 170 ld_shlibs=no 171 fi 172 ;; 173 amigaos*) 174 hardcode_libdir_flag_spec='-L$libdir' 175 hardcode_minus_L=yes 176 # Samuel A. Falvo II <kc5tja (at] dolphin.openprojects.net> reports 177 # that the semantics of dynamic libraries on AmigaOS, at least up 178 # to version 4, is to share data among multiple programs linked 179 # with the same dynamic library. Since this doesn't match the 180 # behavior of shared libraries on other platforms, we cannot use 181 # them. 182 ld_shlibs=no 183 ;; 184 beos*) 185 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then 186 : 187 else 188 ld_shlibs=no 189 fi 190 ;; 191 cygwin* | mingw* | pw32* | cegcc*) 192 # hardcode_libdir_flag_spec is actually meaningless, as there is 193 # no search path for DLLs. 194 hardcode_libdir_flag_spec='-L$libdir' 195 if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then 196 : 197 else 198 ld_shlibs=no 199 fi 200 ;; 201 interix[3-9]*) 202 hardcode_direct=no 203 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 204 ;; 205 gnu* | linux* | k*bsd*-gnu) 206 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then 207 : 208 else 209 ld_shlibs=no 210 fi 211 ;; 212 netbsd*) 213 ;; 214 solaris*) 215 if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then 216 ld_shlibs=no 217 elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then 218 : 219 else 220 ld_shlibs=no 221 fi 222 ;; 223 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) 224 case `$LD -v 2>&1` in 225 *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) 226 ld_shlibs=no 227 ;; 228 *) 229 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then 230 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`' 231 else 232 ld_shlibs=no 233 fi 234 ;; 235 esac 236 ;; 237 sunos4*) 238 hardcode_direct=yes 239 ;; 240 *) 241 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then 242 : 243 else 244 ld_shlibs=no 245 fi 246 ;; 247 esac 248 if test "$ld_shlibs" = no; then 249 hardcode_libdir_flag_spec= 250 fi 251 else 252 case "$host_os" in 253 aix3*) 254 # Note: this linker hardcodes the directories in LIBPATH if there 255 # are no directories specified by -L. 256 hardcode_minus_L=yes 257 if test "$GCC" = yes; then 258 # Neither direct hardcoding nor static linking is supported with a 259 # broken collect2. 260 hardcode_direct=unsupported 261 fi 262 ;; 263 aix[4-9]*) 264 if test "$host_cpu" = ia64; then 265 # On IA64, the linker does run time linking by default, so we don't 266 # have to do anything special. 267 aix_use_runtimelinking=no 268 else 269 aix_use_runtimelinking=no 270 # Test if we are trying to use run time linking or normal 271 # AIX style linking. If -brtl is somewhere in LDFLAGS, we 272 # need to do runtime linking. 273 case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) 274 for ld_flag in $LDFLAGS; do 275 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then 276 aix_use_runtimelinking=yes 277 break 278 fi 279 done 280 ;; 281 esac 282 fi 283 hardcode_direct=yes 284 hardcode_libdir_separator=':' 285 if test "$GCC" = yes; then 286 case $host_os in aix4.[012]|aix4.[012].*) 287 collect2name=`${CC} -print-prog-name=collect2` 288 if test -f "$collect2name" && \ 289 strings "$collect2name" | grep resolve_lib_name >/dev/null 290 then 291 # We have reworked collect2 292 : 293 else 294 # We have old collect2 295 hardcode_direct=unsupported 296 hardcode_minus_L=yes 297 hardcode_libdir_flag_spec='-L$libdir' 298 hardcode_libdir_separator= 299 fi 300 ;; 301 esac 302 fi 303 # Begin _LT_AC_SYS_LIBPATH_AIX. 304 echo 'int main () { return 0; }' > conftest.c 305 ${CC} ${LDFLAGS} conftest.c -o conftest 306 aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } 307 }'` 308 if test -z "$aix_libpath"; then 309 aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } 310 }'` 311 fi 312 if test -z "$aix_libpath"; then 313 aix_libpath="/usr/lib:/lib" 314 fi 315 rm -f conftest.c conftest 316 # End _LT_AC_SYS_LIBPATH_AIX. 317 if test "$aix_use_runtimelinking" = yes; then 318 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" 319 else 320 if test "$host_cpu" = ia64; then 321 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 322 else 323 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" 324 fi 325 fi 326 ;; 327 amigaos*) 328 hardcode_libdir_flag_spec='-L$libdir' 329 hardcode_minus_L=yes 330 # see comment about different semantics on the GNU ld section 331 ld_shlibs=no 332 ;; 333 bsdi[45]*) 334 ;; 335 cygwin* | mingw* | pw32* | cegcc*) 336 # When not using gcc, we currently assume that we are using 337 # Microsoft Visual C++. 338 # hardcode_libdir_flag_spec is actually meaningless, as there is 339 # no search path for DLLs. 340 hardcode_libdir_flag_spec=' ' 341 libext=lib 342 ;; 343 darwin* | rhapsody*) 344 hardcode_direct=no 345 if test "$GCC" = yes ; then 346 : 347 else 348 case $cc_basename in 349 xlc*) 350 ;; 351 *) 352 ld_shlibs=no 353 ;; 354 esac 355 fi 356 ;; 357 dgux*) 358 hardcode_libdir_flag_spec='-L$libdir' 359 ;; 360 freebsd1*) 361 ld_shlibs=no 362 ;; 363 freebsd2.2*) 364 hardcode_libdir_flag_spec='-R$libdir' 365 hardcode_direct=yes 366 ;; 367 freebsd2*) 368 hardcode_direct=yes 369 hardcode_minus_L=yes 370 ;; 371 freebsd* | dragonfly*) 372 hardcode_libdir_flag_spec='-R$libdir' 373 hardcode_direct=yes 374 ;; 375 hpux9*) 376 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 377 hardcode_libdir_separator=: 378 hardcode_direct=yes 379 # hardcode_minus_L: Not really in the search PATH, 380 # but as the default location of the library. 381 hardcode_minus_L=yes 382 ;; 383 hpux10*) 384 if test "$with_gnu_ld" = no; then 385 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 386 hardcode_libdir_separator=: 387 hardcode_direct=yes 388 # hardcode_minus_L: Not really in the search PATH, 389 # but as the default location of the library. 390 hardcode_minus_L=yes 391 fi 392 ;; 393 hpux11*) 394 if test "$with_gnu_ld" = no; then 395 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 396 hardcode_libdir_separator=: 397 case $host_cpu in 398 hppa*64*|ia64*) 399 hardcode_direct=no 400 ;; 401 *) 402 hardcode_direct=yes 403 # hardcode_minus_L: Not really in the search PATH, 404 # but as the default location of the library. 405 hardcode_minus_L=yes 406 ;; 407 esac 408 fi 409 ;; 410 irix5* | irix6* | nonstopux*) 411 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 412 hardcode_libdir_separator=: 413 ;; 414 netbsd*) 415 hardcode_libdir_flag_spec='-R$libdir' 416 hardcode_direct=yes 417 ;; 418 newsos6) 419 hardcode_direct=yes 420 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 421 hardcode_libdir_separator=: 422 ;; 423 openbsd*) 424 if test -f /usr/libexec/ld.so; then 425 hardcode_direct=yes 426 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then 427 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 428 else 429 case "$host_os" in 430 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) 431 hardcode_libdir_flag_spec='-R$libdir' 432 ;; 433 *) 434 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 435 ;; 436 esac 437 fi 438 else 439 ld_shlibs=no 440 fi 441 ;; 442 os2*) 443 hardcode_libdir_flag_spec='-L$libdir' 444 hardcode_minus_L=yes 445 ;; 446 osf3*) 447 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 448 hardcode_libdir_separator=: 449 ;; 450 osf4* | osf5*) 451 if test "$GCC" = yes; then 452 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 453 else 454 # Both cc and cxx compiler support -rpath directly 455 hardcode_libdir_flag_spec='-rpath $libdir' 456 fi 457 hardcode_libdir_separator=: 458 ;; 459 solaris*) 460 hardcode_libdir_flag_spec='-R$libdir' 461 ;; 462 sunos4*) 463 hardcode_libdir_flag_spec='-L$libdir' 464 hardcode_direct=yes 465 hardcode_minus_L=yes 466 ;; 467 sysv4) 468 case $host_vendor in 469 sni) 470 hardcode_direct=yes # is this really true??? 471 ;; 472 siemens) 473 hardcode_direct=no 474 ;; 475 motorola) 476 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 477 ;; 478 esac 479 ;; 480 sysv4.3*) 481 ;; 482 sysv4*MP*) 483 if test -d /usr/nec; then 484 ld_shlibs=yes 485 fi 486 ;; 487 sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) 488 ;; 489 sysv5* | sco3.2v5* | sco5v6*) 490 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`' 491 hardcode_libdir_separator=':' 492 ;; 493 uts4*) 494 hardcode_libdir_flag_spec='-L$libdir' 495 ;; 496 *) 497 ld_shlibs=no 498 ;; 499 esac 500 fi 501 502 # Check dynamic linker characteristics 503 # Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER. 504 # Unlike libtool.m4, here we don't care about _all_ names of the library, but 505 # only about the one the linker finds when passed -lNAME. This is the last 506 # element of library_names_spec in libtool.m4, or possibly two of them if the 507 # linker has special search rules. 508 library_names_spec= # the last element of library_names_spec in libtool.m4 509 libname_spec='lib$name' 510 case "$host_os" in 511 aix3*) 512 library_names_spec='$libname.a' 513 ;; 514 aix[4-9]*) 515 library_names_spec='$libname$shrext' 516 ;; 517 amigaos*) 518 library_names_spec='$libname.a' 519 ;; 520 beos*) 521 library_names_spec='$libname$shrext' 522 ;; 523 bsdi[45]*) 524 library_names_spec='$libname$shrext' 525 ;; 526 cygwin* | mingw* | pw32* | cegcc*) 527 shrext=.dll 528 library_names_spec='$libname.dll.a $libname.lib' 529 ;; 530 darwin* | rhapsody*) 531 shrext=.dylib 532 library_names_spec='$libname$shrext' 533 ;; 534 dgux*) 535 library_names_spec='$libname$shrext' 536 ;; 537 freebsd1*) 538 ;; 539 freebsd* | dragonfly*) 540 case "$host_os" in 541 freebsd[123]*) 542 library_names_spec='$libname$shrext$versuffix' ;; 543 *) 544 library_names_spec='$libname$shrext' ;; 545 esac 546 ;; 547 gnu*) 548 library_names_spec='$libname$shrext' 549 ;; 550 hpux9* | hpux10* | hpux11*) 551 case $host_cpu in 552 ia64*) 553 shrext=.so 554 ;; 555 hppa*64*) 556 shrext=.sl 557 ;; 558 *) 559 shrext=.sl 560 ;; 561 esac 562 library_names_spec='$libname$shrext' 563 ;; 564 interix[3-9]*) 565 library_names_spec='$libname$shrext' 566 ;; 567 irix5* | irix6* | nonstopux*) 568 library_names_spec='$libname$shrext' 569 case "$host_os" in 570 irix5* | nonstopux*) 571 libsuff= shlibsuff= 572 ;; 573 *) 574 case $LD in 575 *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;; 576 *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;; 577 *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;; 578 *) libsuff= shlibsuff= ;; 579 esac 580 ;; 581 esac 582 ;; 583 linux*oldld* | linux*aout* | linux*coff*) 584 ;; 585 linux* | k*bsd*-gnu) 586 library_names_spec='$libname$shrext' 587 ;; 588 knetbsd*-gnu) 589 library_names_spec='$libname$shrext' 590 ;; 591 netbsd*) 592 library_names_spec='$libname$shrext' 593 ;; 594 newsos6) 595 library_names_spec='$libname$shrext' 596 ;; 597 nto-qnx*) 598 library_names_spec='$libname$shrext' 599 ;; 600 openbsd*) 601 library_names_spec='$libname$shrext$versuffix' 602 ;; 603 os2*) 604 libname_spec='$name' 605 shrext=.dll 606 library_names_spec='$libname.a' 607 ;; 608 osf3* | osf4* | osf5*) 609 library_names_spec='$libname$shrext' 610 ;; 611 rdos*) 612 ;; 613 solaris*) 614 library_names_spec='$libname$shrext' 615 ;; 616 sunos4*) 617 library_names_spec='$libname$shrext$versuffix' 618 ;; 619 sysv4 | sysv4.3*) 620 library_names_spec='$libname$shrext' 621 ;; 622 sysv4*MP*) 623 library_names_spec='$libname$shrext' 624 ;; 625 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) 626 library_names_spec='$libname$shrext' 627 ;; 628 uts4*) 629 library_names_spec='$libname$shrext' 630 ;; 631 esac 632 633 sed_quote_subst='s/\(["`$\\]\)/\\\1/g' 634 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"` 635 shlibext=`echo "$shrext" | sed -e 's,^\.,,'` 636 escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` 637 escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` 638 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` 639 640 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF 641 642 # How to pass a linker flag through the compiler. 643 wl="$escaped_wl" 644 645 # Static library suffix (normally "a"). 646 libext="$libext" 647 648 # Shared library suffix (normally "so"). 649 shlibext="$shlibext" 650 651 # Format of library name prefix. 652 libname_spec="$escaped_libname_spec" 653 654 # Library names that the linker finds when passed -lNAME. 655 library_names_spec="$escaped_library_names_spec" 656 657 # Flag to hardcode \$libdir into a binary during linking. 658 # This must work even if \$libdir does not exist. 659 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec" 660 661 # Whether we need a single -rpath flag with a separated argument. 662 hardcode_libdir_separator="$hardcode_libdir_separator" 663 664 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the 665 # resulting binary. 666 hardcode_direct="$hardcode_direct" 667 668 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the 669 # resulting binary. 670 hardcode_minus_L="$hardcode_minus_L" 671 672 EOF 673
