| 1 | #### This script is meant to be sourced by ltconfig.
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| 2 |
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| 3 | # ltcf-gcj.sh - Create a GCJ compiler specific configuration
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| 4 | #
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| 5 | # Copyright (C) 1996-1999, 2000, 2001 Free Software Foundation, Inc.
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| 6 | # Originally by Gordon Matzigkeit <[email protected]>, 1996
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| 7 | #
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| 8 | # Original GCJ support by:
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| 9 | # Alexandre Oliva <[email protected]>
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| 10 | #
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| 11 | # This file is free software; you can redistribute it and/or modify it
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| 12 | # under the terms of the GNU General Public License as published by
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| 13 | # the Free Software Foundation; either version 2 of the License, or
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| 14 | # (at your option) any later version.
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| 15 | #
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| 16 | # This program is distributed in the hope that it will be useful, but
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| 17 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | # General Public License for more details.
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| 20 | #
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| 21 | # You should have received a copy of the GNU General Public License
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| 22 | # along with this program; if not, write to the Free Software
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| 23 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 24 | #
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| 25 | # As a special exception to the GNU General Public License, if you
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| 26 | # distribute this file as part of a program that contains a
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| 27 | # configuration script generated by Autoconf, you may include it under
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| 28 | # the same distribution terms that you use for the rest of that program.
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| 29 |
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| 30 |
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| 31 | # Source file extension for Java test sources.
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| 32 | ac_ext=java
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| 33 |
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| 34 | # Object file extension for compiled Java test sources.
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| 35 | objext=o
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| 36 |
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| 37 | # Code to be used in simple compile tests
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| 38 | lt_simple_compile_test_code="class foo {}"
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| 39 |
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| 40 | # Code to be used in simple link tests
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| 41 | lt_simple_link_test_code='public class conftest { public static void main(String[] argv) {}; }'
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| 42 |
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| 43 | ## Linker Characteristics
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| 44 | case $host_os in
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| 45 | cygwin* | mingw*)
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| 46 | # FIXME: the MSVC++ port hasn't been tested in a loooong time
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| 47 | # When not using gcc, we currently assume that we are using
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| 48 | # Microsoft Visual C++.
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| 49 | if test "$with_gcc" != yes; then
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| 50 | with_gnu_ld=no
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| 51 | fi
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| 52 | ;;
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| 53 |
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| 54 | esac
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| 55 |
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| 56 | ld_shlibs=yes
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| 57 | if test "$with_gnu_ld" = yes; then
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| 58 | # If archive_cmds runs LD, not CC, wlarc should be empty
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| 59 | wlarc='${wl}'
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| 60 |
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| 61 | # See if GNU ld supports shared libraries.
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| 62 | case $host_os in
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| 63 | aix3* | aix4* | aix5*)
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| 64 | # On AIX/PPC, the GNU linker is very broken
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| 65 | if test "$host_cpu" != ia64; then
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| 66 | ld_shlibs=no
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| 67 | cat <<EOF 1>&2
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| 68 |
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| 69 | *** Warning: the GNU linker, at least up to release 2.9.1, is reported
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| 70 | *** to be unable to reliably create shared libraries on AIX.
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| 71 | *** Therefore, libtool is disabling shared libraries support. If you
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| 72 | *** really care for shared libraries, you may want to modify your PATH
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| 73 | *** so that a non-GNU linker is found, and then restart.
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| 74 |
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| 75 | EOF
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| 76 | fi
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| 77 | ;;
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| 78 |
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| 79 | amigaos*)
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| 80 | archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
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| 81 | hardcode_libdir_flag_spec='-L$libdir'
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| 82 | hardcode_minus_L=yes
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| 83 |
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| 84 | # Samuel A. Falvo II <[email protected]> reports
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| 85 | # that the semantics of dynamic libraries on AmigaOS, at least up
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| 86 | # to version 4, is to share data among multiple programs linked
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| 87 | # with the same dynamic library. Since this doesn't match the
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| 88 | # behavior of shared libraries on other platforms, we can use
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| 89 | # them.
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| 90 | ld_shlibs=no
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| 91 | ;;
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| 92 |
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| 93 | beos*)
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| 94 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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| 95 | allow_undefined_flag=unsupported
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| 96 | # Joseph Beckenbach <[email protected]> says some releases of gcc
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| 97 | # support --undefined. This deserves some investigation. FIXME
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| 98 | archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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| 99 | else
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| 100 | ld_shlibs=no
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| 101 | fi
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| 102 | ;;
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| 103 |
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| 104 | cygwin* | mingw*)
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| 105 | # hardcode_libdir_flag_spec is actually meaningless, as there is
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| 106 | # no search path for DLLs.
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| 107 | hardcode_libdir_flag_spec='-L$libdir'
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| 108 | allow_undefined_flag=unsupported
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| 109 | always_export_symbols=yes
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| 110 |
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| 111 | extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
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| 112 | sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
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| 113 | test -f $output_objdir/impgen.exe || (cd $output_objdir && \
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| 114 | if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
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| 115 | else $CC -o impgen impgen.c ; fi)~
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| 116 | $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
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| 117 |
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| 118 | old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
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| 119 |
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| 120 | # cygwin and mingw dlls have different entry points and sets of symbols
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| 121 | # to exclude.
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| 122 | # FIXME: what about values for MSVC?
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| 123 | dll_entry=__cygwin_dll_entry@12
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| 124 | dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
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| 125 | case $host_os in
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| 126 | mingw*)
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| 127 | # mingw values
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| 128 | dll_entry=_DllMainCRTStartup@12
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| 129 | dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
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| 130 | ;;
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| 131 | esac
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| 132 |
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| 133 | # mingw and cygwin differ, and it's simplest to just exclude the union
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| 134 | # of the two symbol sets.
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| 135 | dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
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| 136 |
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| 137 | # recent cygwin and mingw systems supply a stub DllMain which the user
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| 138 | # can override, but on older systems we have to supply one (in ltdll.c)
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| 139 | if test "x$lt_cv_need_dllmain" = "xyes"; then
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| 140 | ltdll_obj='$output_objdir/$soname-ltdll.'"$objext "
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| 141 | ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~
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| 142 | test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
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| 143 | else
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| 144 | ltdll_obj=
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| 145 | ltdll_cmds=
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| 146 | fi
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| 147 |
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| 148 | # Extract the symbol export list from an `--export-all' def file,
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| 149 | # then regenerate the def file from the symbol export list, so that
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| 150 | # the compiled dll only exports the symbol export list.
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| 151 | # Be careful not to strip the DATA tag left be newer dlltools.
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| 152 | export_symbols_cmds="$ltdll_cmds"'
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| 153 | $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
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| 154 | sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
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| 155 |
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| 156 | # If the export-symbols file already is a .def file (1st line
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| 157 | # is EXPORTS), use it as is.
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| 158 | # If DATA tags from a recent dlltool are present, honour them!
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| 159 | archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
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| 160 | cp $export_symbols $output_objdir/$soname-def;
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| 161 | else
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| 162 | echo EXPORTS > $output_objdir/$soname-def;
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| 163 | _lt_hint=1;
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| 164 | cat $export_symbols | while read symbol; do
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| 165 | set dummy \$symbol;
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| 166 | case \[$]# in
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| 167 | 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
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| 168 | *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
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| 169 | esac;
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| 170 | _lt_hint=`expr 1 + \$_lt_hint`;
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| 171 | done;
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| 172 | fi~
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| 173 | '"$ltdll_cmds"'
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| 174 | $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
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| 175 | $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
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| 176 | $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
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| 177 | $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
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| 178 | $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
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| 179 | ;;
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| 180 |
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| 181 | netbsd*)
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| 182 | if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
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| 183 | archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
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| 184 | wlarc=
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| 185 | else
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| 186 | archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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| 187 | archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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| 188 | fi
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| 189 | ;;
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| 190 |
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| 191 | solaris* | sysv5*)
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| 192 | if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
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| 193 | ld_shlibs=no
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| 194 | cat <<EOF 1>&2
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| 195 |
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| 196 | *** Warning: The releases 2.8.* of the GNU linker cannot reliably
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| 197 | *** create shared libraries on Solaris systems. Therefore, libtool
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| 198 | *** is disabling shared libraries support. We urge you to upgrade GNU
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| 199 | *** binutils to release 2.9.1 or newer. Another option is to modify
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| 200 | *** your PATH or compiler configuration so that the native linker is
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| 201 | *** used, and then restart.
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| 202 |
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| 203 | EOF
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| 204 | elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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| 205 | archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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| 206 | archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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| 207 | else
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| 208 | ld_shlibs=no
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| 209 | fi
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| 210 | ;;
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| 211 |
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| 212 | sunos4*)
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| 213 | archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
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| 214 | wlarc=
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| 215 | hardcode_direct=yes
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| 216 | hardcode_shlibpath_var=no
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| 217 | ;;
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| 218 |
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| 219 | *)
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| 220 | if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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| 221 | archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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| 222 | archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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| 223 | else
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| 224 | ld_shlibs=no
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| 225 | fi
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| 226 | ;;
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| 227 | esac
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| 228 |
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| 229 | if test "$ld_shlibs" = yes; then
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| 230 | runpath_var=LD_RUN_PATH
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| 231 | hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
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| 232 | export_dynamic_flag_spec='${wl}--export-dynamic'
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| 233 | case $host_os in
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| 234 | cygwin* | mingw*)
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| 235 | # dlltool doesn't understand --whole-archive et. al.
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| 236 | whole_archive_flag_spec=
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| 237 | ;;
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| 238 | *)
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| 239 | # ancient GNU ld didn't support --whole-archive et. al.
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| 240 | if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
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| 241 | whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
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| 242 | else
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| 243 | whole_archive_flag_spec=
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| 244 | fi
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| 245 | ;;
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| 246 | esac
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| 247 | fi
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| 248 | else
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| 249 | # PORTME fill in a description of your system's linker (not GNU ld)
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| 250 | case $host_os in
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| 251 | aix3*)
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| 252 | allow_undefined_flag=unsupported
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| 253 | always_export_symbols=yes
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| 254 | archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
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| 255 | # Note: this linker hardcodes the directories in LIBPATH if there
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| 256 | # are no directories specified by -L.
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| 257 | hardcode_minus_L=yes
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| 258 | if test "$with_gcc" = yes && test -z "$link_static_flag"; then
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| 259 | # Neither direct hardcoding nor static linking is supported with a
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| 260 | # broken collect2.
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| 261 | hardcode_direct=unsupported
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| 262 | fi
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| 263 | ;;
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| 264 |
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| 265 | aix4* | aix5*)
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| 266 | hardcode_direct=yes
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| 267 | hardcode_libdir_separator=':'
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| 268 | link_all_deplibs=yes
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| 269 | # When large executables or shared objects are built, AIX ld can
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| 270 | # have problems creating the table of contents. If linking a library
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| 271 | # or program results in "error TOC overflow" add -mminimal-toc to
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| 272 | # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
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| 273 | # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
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| 274 | if test "$with_gcc" = yes; then
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| 275 | case $host_os in aix4.[012]|aix4.[012].*)
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| 276 | # We only want to do this on AIX 4.2 and lower, the check
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| 277 | # below for broken collect2 doesn't work under 4.3+
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| 278 | collect2name=`${CC} -print-prog-name=collect2`
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| 279 | if test -f "$collect2name" && \
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| 280 | strings "$collect2name" | grep resolve_lib_name >/dev/null
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| 281 | then
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| 282 | # We have reworked collect2
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| 283 | hardcode_direct=yes
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| 284 | else
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| 285 | # We have old collect2
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| 286 | hardcode_direct=unsupported
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| 287 | # It fails to find uninstalled libraries when the uninstalled
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| 288 | # path is not listed in the libpath. Setting hardcode_minus_L
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| 289 | # to unsupported forces relinking
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| 290 | hardcode_minus_L=yes
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| 291 | hardcode_libdir_flag_spec='-L$libdir'
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| 292 | hardcode_libdir_separator=
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| 293 | fi
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| 294 | esac
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| 295 | shared_flag='-shared'
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| 296 | else
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| 297 | # not using gcc
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| 298 | if test "$host_cpu" = ia64; then
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| 299 | shared_flag='${wl}-G'
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| 300 | else
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| 301 | shared_flag='${wl}-bM:SRE'
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| 302 | fi
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| 303 | fi
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| 304 |
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| 305 | if test "$host_cpu" = ia64; then
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| 306 | # On IA64, the linker does run time linking by default, so we don't
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| 307 | # have to do anything special.
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| 308 | aix_use_runtimelinking=no
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| 309 | if test $with_gnu_ld = no; then
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| 310 | exp_sym_flag='-Bexport'
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| 311 | no_entry_flag=""
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| 312 | fi
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| 313 | else
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| 314 | # Test if we are trying to use run time linking, or normal AIX style linking.
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| 315 | # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
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| 316 | aix_use_runtimelinking=no
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| 317 | for ld_flag in $LDFLAGS; do
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| 318 | if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
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| 319 | aix_use_runtimelinking=yes
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| 320 | break
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| 321 | fi
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| 322 | done
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| 323 | exp_sym_flag='-bexport'
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| 324 | no_entry_flag='-bnoentry'
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| 325 | fi
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| 326 | # -bexpall does not export symbols beginning with underscore (_)
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| 327 | always_export_symbols=yes
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| 328 | if test "$aix_use_runtimelinking" = yes; then
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| 329 | # Warning - without using the other run time loading flags (-brtl), -berok will
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| 330 | # link without error, but may produce a broken library.
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| 331 | allow_undefined_flag=' ${wl}-berok'
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| 332 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
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| 333 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
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| 334 | else
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| 335 | if test "$host_cpu" = ia64; then
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| 336 | if test $with_gnu_ld = no; then
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| 337 | hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
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| 338 | allow_undefined_flag="-z nodefs"
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| 339 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
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| 340 | fi
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| 341 | else
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| 342 | allow_undefined_flag=' ${wl}-berok'
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| 343 | # -bexpall does not export symbols beginning with underscore (_)
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| 344 | always_export_symbols=yes
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| 345 | # Exported symbols can be pulled into shared objects from archives
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| 346 | whole_archive_flag_spec=' '
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| 347 | build_libtool_need_lc=yes
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| 348 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
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| 349 | # This is similar to how AIX traditionally builds it's shared libraries.
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| 350 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
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| 351 | fi
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| 352 | fi
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| 353 | ;;
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| 354 |
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| 355 | amigaos*)
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