| 1 | #! /bin/sh
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| 2 | # Output a system dependent set of variables, describing how to set the
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| 3 | # run time search path of shared libraries in an executable.
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| 4 | #
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| 5 | # Copyright 1996-2002 Free Software Foundation, Inc.
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| 6 | # Taken from GNU libtool, 2001
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| 7 | # Originally by Gordon Matzigkeit <[email protected]>, 1996
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| 8 | #
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| 9 | # This program is free software; you can redistribute it and/or modify
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| 10 | # it under the terms of the GNU General Public License as published by
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| 11 | # the Free Software Foundation; either version 2 of the License, or
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| 12 | # (at your option) any later version.
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| 13 | #
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| 14 | # This program is distributed in the hope that it will be useful, but
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| 15 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 17 | # General Public License for more details.
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| 18 | #
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| 19 | # You should have received a copy of the GNU General Public License
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| 20 | # along with this program; if not, write to the Free Software
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| 21 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 22 | #
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| 23 | # As a special exception to the GNU General Public License, if you
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| 24 | # distribute this file as part of a program that contains a
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| 25 | # configuration script generated by Autoconf, you may include it under
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| 26 | # the same distribution terms that you use for the rest of that program.
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| 27 | #
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| 28 | # The first argument passed to this file is the canonical host specification,
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| 29 | # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
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| 30 | # or
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| 31 | # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
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| 32 | # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
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| 33 | # should be set by the caller.
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| 34 | #
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| 35 | # The set of defined variables is at the end of this script.
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| 36 |
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| 37 | # All known linkers require a `.a' archive for static linking (except M$VC,
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| 38 | # which needs '.lib').
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| 39 | libext=a
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| 40 | shlibext=
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| 41 |
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| 42 | host="$1"
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| 43 | host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
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| 44 | host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
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| 45 | host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
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| 46 |
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| 47 | wl=
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| 48 | if test "$GCC" = yes; then
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| 49 | wl='-Wl,'
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| 50 | else
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| 51 | case "$host_os" in
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| 52 | aix3* | aix4* | aix5*)
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| 53 | wl='-Wl,'
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| 54 | ;;
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| 55 | hpux9* | hpux10* | hpux11*)
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| 56 | wl='-Wl,'
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| 57 | ;;
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| 58 | irix5* | irix6*)
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| 59 | wl='-Wl,'
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| 60 | ;;
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| 61 | linux*)
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| 62 | echo '__INTEL_COMPILER' > conftest.$ac_ext
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| 63 | if $CC -E conftest.$ac_ext >/dev/null | grep __INTEL_COMPILER >/dev/null
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| 64 | then
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| 65 | :
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| 66 | else
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| 67 | # Intel icc
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| 68 | wl='-Qoption,ld,'
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| 69 | fi
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| 70 | ;;
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| 71 | osf3* | osf4* | osf5*)
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| 72 | wl='-Wl,'
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| 73 | ;;
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| 74 | solaris*)
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| 75 | wl='-Wl,'
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| 76 | ;;
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| 77 | sunos4*)
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| 78 | wl='-Qoption ld '
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| 79 | ;;
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| 80 | sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
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| 81 | if test "x$host_vendor" = xsni; then
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| 82 | wl='-LD'
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| 83 | else
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| 84 | wl='-Wl,'
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| 85 | fi
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| 86 | ;;
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| 87 | esac
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| 88 | fi
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| 89 |
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| 90 | hardcode_libdir_flag_spec=
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| 91 | hardcode_libdir_separator=
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| 92 | hardcode_direct=no
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| 93 | hardcode_minus_L=no
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| 94 |
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| 95 | case "$host_os" in
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| 96 | cygwin* | mingw* | pw32*)
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| 97 | # FIXME: the MSVC++ port hasn't been tested in a loooong time
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| 98 | # When not using gcc, we currently assume that we are using
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| 99 | # Microsoft Visual C++.
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| 100 | if test "$GCC" != yes; then
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| 101 | with_gnu_ld=no
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| 102 | fi
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| 103 | ;;
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| 104 | openbsd*)
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| 105 | with_gnu_ld=no
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| 106 | ;;
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| 107 | esac
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| 108 |
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| 109 | ld_shlibs=yes
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| 110 | if test "$with_gnu_ld" = yes; then
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| 111 | case "$host_os" in
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| 112 | aix3* | aix4* | aix5*)
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| 113 | # On AIX, the GNU linker is very broken
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| 114 | ld_shlibs=no
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| 115 | ;;
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| 116 | amigaos*)
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| 117 | hardcode_libdir_flag_spec='-L$libdir'
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| 118 | hardcode_minus_L=yes
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| 119 | # Samuel A. Falvo II <[email protected]> reports
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| 120 | # that the semantics of dynamic libraries on AmigaOS, at least up
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| 121 | # to version 4, is to share data among multiple programs linked
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| 122 | # with the same dynamic library. Since this doesn't match the
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| 123 | # behavior of shared libraries on other platforms, we can use
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| 124 | # them.
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| 125 | ld_shlibs=no
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| 126 | ;;
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| 127 | beos*)
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| 128 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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| 129 | :
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| 130 | else
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| 131 | ld_shlibs=no
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| 132 | fi
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| 133 | ;;
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| 134 | cygwin* | mingw* | pw32*)
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| 135 | # hardcode_libdir_flag_spec is actually meaningless, as there is
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| 136 | # no search path for DLLs.
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| 137 | hardcode_libdir_flag_spec='-L$libdir'
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| 138 | ;;
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| 139 | solaris* | sysv5*)
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| 140 | if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
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| 141 | ld_shlibs=no
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| 142 | elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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| 143 | :
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| 144 | else
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| 145 | ld_shlibs=no
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| 146 | fi
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| 147 | ;;
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| 148 | sunos4*)
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| 149 | hardcode_direct=yes
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| 150 | ;;
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| 151 | *)
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| 152 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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| 153 | :
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| 154 | else
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| 155 | ld_shlibs=no
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| 156 | fi
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| 157 | ;;
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| 158 | esac
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| 159 | if test "$ld_shlibs" = yes; then
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| 160 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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| 161 | fi
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| 162 | else
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| 163 | case "$host_os" in
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| 164 | aix3*)
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| 165 | # Note: this linker hardcodes the directories in LIBPATH if there
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| 166 | # are no directories specified by -L.
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| 167 | hardcode_minus_L=yes
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| 168 | if test "$GCC" = yes; then
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| 169 | # Neither direct hardcoding nor static linking is supported with a
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| 170 | # broken collect2.
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| 171 | hardcode_direct=unsupported
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| 172 | fi
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| 173 | ;;
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| 174 | aix4* | aix5*)
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| 175 | if test "$host_cpu" = ia64; then
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| 176 | # On IA64, the linker does run time linking by default, so we don't
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| 177 | # have to do anything special.
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| 178 | aix_use_runtimelinking=no
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| 179 | else
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| 180 | aix_use_runtimelinking=no
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| 181 | # Test if we are trying to use run time linking or normal
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| 182 | # AIX style linking. If -brtl is somewhere in LDFLAGS, we
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| 183 | # need to do runtime linking.
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| 184 | case $host_os in aix4.[23]|aix4.[23].*|aix5*)
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| 185 | for ld_flag in $LDFLAGS; do
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| 186 | if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
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| 187 | aix_use_runtimelinking=yes
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| 188 | break
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| 189 | fi
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| 190 | done
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| 191 | esac
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| 192 | fi
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| 193 | hardcode_direct=yes
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| 194 | hardcode_libdir_separator=':'
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| 195 | if test "$GCC" = yes; then
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| 196 | case $host_os in aix4.[012]|aix4.[012].*)
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| 197 | collect2name=`${CC} -print-prog-name=collect2`
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| 198 | if test -f "$collect2name" && \
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| 199 | strings "$collect2name" | grep resolve_lib_name >/dev/null
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| 200 | then
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| 201 | # We have reworked collect2
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| 202 | hardcode_direct=yes
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| 203 | else
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| 204 | # We have old collect2
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| 205 | hardcode_direct=unsupported
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| 206 | hardcode_minus_L=yes
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| 207 | hardcode_libdir_flag_spec='-L$libdir'
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| 208 | hardcode_libdir_separator=
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| 209 | fi
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| 210 | esac
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| 211 | fi
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| 212 | if test "$aix_use_runtimelinking" = yes; then
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| 213 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
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| 214 | else
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| 215 | if test "$host_cpu" = ia64; then
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| 216 | hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
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| 217 | else
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| 218 | hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib'
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| 219 | fi
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| 220 | fi
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| 221 | ;;
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| 222 | amigaos*)
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| 223 | hardcode_libdir_flag_spec='-L$libdir'
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| 224 | hardcode_minus_L=yes
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| 225 | # see comment about different semantics on the GNU ld section
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| 226 | ld_shlibs=no
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| 227 | ;;
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| 228 | cygwin* | mingw* | pw32*)
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| 229 | # When not using gcc, we currently assume that we are using
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| 230 | # Microsoft Visual C++.
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| 231 | # hardcode_libdir_flag_spec is actually meaningless, as there is
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| 232 | # no search path for DLLs.
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| 233 | hardcode_libdir_flag_spec=' '
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| 234 | libext=lib
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| 235 | ;;
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| 236 | darwin* | rhapsody*)
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| 237 | hardcode_direct=yes
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| 238 | ;;
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| 239 | freebsd1*)
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| 240 | ld_shlibs=no
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| 241 | ;;
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| 242 | freebsd2.2*)
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| 243 | hardcode_libdir_flag_spec='-R$libdir'
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| 244 | hardcode_direct=yes
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| 245 | ;;
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| 246 | freebsd2*)
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| 247 | hardcode_direct=yes
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| 248 | hardcode_minus_L=yes
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| 249 | ;;
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| 250 | freebsd*)
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| 251 | hardcode_libdir_flag_spec='-R$libdir'
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| 252 | hardcode_direct=yes
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| 253 | ;;
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| 254 | hpux9* | hpux10* | hpux11*)
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| 255 | hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
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| 256 | hardcode_libdir_separator=:
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| 257 | hardcode_direct=yes
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| 258 | hardcode_minus_L=yes # Not in the search PATH, but as the default
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| 259 | # location of the library.
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| 260 | ;;
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| 261 | irix5* | irix6*)
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| 262 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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| 263 | hardcode_libdir_separator=:
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| 264 | ;;
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| 265 | netbsd*)
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| 266 | hardcode_libdir_flag_spec='-R$libdir'
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| 267 | hardcode_direct=yes
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| 268 | ;;
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| 269 | newsos6)
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| 270 | hardcode_direct=yes
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| 271 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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| 272 | hardcode_libdir_separator=:
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| 273 | ;;
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| 274 | openbsd*)
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| 275 | hardcode_direct=yes
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| 276 | if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
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| 277 | hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
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| 278 | else
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| 279 | case "$host_os" in
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| 280 | openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
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| 281 | hardcode_libdir_flag_spec='-R$libdir'
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| 282 | ;;
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| 283 | *)
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| 284 | hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
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| 285 | ;;
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| 286 | esac
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| 287 | fi
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| 288 | ;;
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| 289 | os2*)
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| 290 | hardcode_libdir_flag_spec='-L$libdir'
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| 291 | hardcode_minus_L=yes
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| 292 | ;;
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| 293 | osf3*)
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| 294 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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| 295 | hardcode_libdir_separator=:
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| 296 | ;;
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| 297 | osf4* | osf5*)
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| 298 | if test "$GCC" = yes; then
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| 299 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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| 300 | else
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| 301 | # Both cc and cxx compiler support -rpath directly
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