| 1 | #### This script is meant to be sourced by ltconfig.
 | 
|---|
| 2 | 
 | 
|---|
| 3 | # ltcf-gcj.sh - Create a GCJ compiler specific configuration
 | 
|---|
| 4 | #
 | 
|---|
| 5 | # Copyright (C) 1996-1999, 2000, 2001, 2003 Free Software Foundation, Inc.
 | 
|---|
| 6 | # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 | 
|---|
| 7 | #
 | 
|---|
| 8 | # Original GCJ support by:
 | 
|---|
| 9 | #    Alexandre Oliva <oliva@lsd.ic.unicamp.br>
 | 
|---|
| 10 | #
 | 
|---|
| 11 | # This file is free software; you can redistribute it and/or modify it
 | 
|---|
| 12 | # under the terms of the GNU General Public License as published by
 | 
|---|
| 13 | # the Free Software Foundation; either version 2 of the License, or
 | 
|---|
| 14 | # (at your option) any later version.
 | 
|---|
| 15 | #
 | 
|---|
| 16 | # This program is distributed in the hope that it will be useful, but
 | 
|---|
| 17 | # WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
|---|
| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | 
|---|
| 19 | # General Public License for more details.
 | 
|---|
| 20 | #
 | 
|---|
| 21 | # You should have received a copy of the GNU General Public License
 | 
|---|
| 22 | # along with this program; if not, write to the Free Software
 | 
|---|
| 23 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 | 
|---|
| 24 | #
 | 
|---|
| 25 | # As a special exception to the GNU General Public License, if you
 | 
|---|
| 26 | # distribute this file as part of a program that contains a
 | 
|---|
| 27 | # configuration script generated by Autoconf, you may include it under
 | 
|---|
| 28 | # the same distribution terms that you use for the rest of that program.
 | 
|---|
| 29 | 
 | 
|---|
| 30 | 
 | 
|---|
| 31 | # Source file extension for Java test sources.
 | 
|---|
| 32 | ac_ext=java
 | 
|---|
| 33 | 
 | 
|---|
| 34 | # Object file extension for compiled Java test sources.
 | 
|---|
| 35 | objext=o
 | 
|---|
| 36 | 
 | 
|---|
| 37 | # Code to be used in simple compile tests
 | 
|---|
| 38 | lt_simple_compile_test_code="class foo {}"
 | 
|---|
| 39 | 
 | 
|---|
| 40 | # Code to be used in simple link tests
 | 
|---|
| 41 | lt_simple_link_test_code='public class conftest { public static void main(String[] argv) {}; }'
 | 
|---|
| 42 | 
 | 
|---|
| 43 | ## Linker Characteristics
 | 
|---|
| 44 | case $host_os in
 | 
|---|
| 45 | cygwin* | mingw*)
 | 
|---|
| 46 |   # FIXME: the MSVC++ port hasn't been tested in a loooong time
 | 
|---|
| 47 |   # When not using gcc, we currently assume that we are using
 | 
|---|
| 48 |   # Microsoft Visual C++.
 | 
|---|
| 49 |   if test "$with_gcc" != yes; then
 | 
|---|
| 50 |     with_gnu_ld=no
 | 
|---|
| 51 |   fi
 | 
|---|
| 52 |   ;;
 | 
|---|
| 53 | 
 | 
|---|
| 54 | esac
 | 
|---|
| 55 | 
 | 
|---|
| 56 | ld_shlibs=yes
 | 
|---|
| 57 | if test "$with_gnu_ld" = yes; then
 | 
|---|
| 58 |   # If archive_cmds runs LD, not CC, wlarc should be empty
 | 
|---|
| 59 |   wlarc='${wl}'
 | 
|---|
| 60 | 
 | 
|---|
| 61 |   # See if GNU ld supports shared libraries.
 | 
|---|
| 62 |   case $host_os in
 | 
|---|
| 63 |   aix3* | aix4* | aix5*)
 | 
|---|
| 64 |     # On AIX/PPC, the GNU linker is very broken
 | 
|---|
| 65 |     if test "$host_cpu" != ia64; then
 | 
|---|
| 66 |       ld_shlibs=no
 | 
|---|
| 67 |       cat <<EOF 1>&2
 | 
|---|
| 68 | 
 | 
|---|
| 69 | *** Warning: the GNU linker, at least up to release 2.9.1, is reported
 | 
|---|
| 70 | *** to be unable to reliably create shared libraries on AIX.
 | 
|---|
| 71 | *** Therefore, libtool is disabling shared libraries support.  If you
 | 
|---|
| 72 | *** really care for shared libraries, you may want to modify your PATH
 | 
|---|
| 73 | *** so that a non-GNU linker is found, and then restart.
 | 
|---|
| 74 | 
 | 
|---|
| 75 | EOF
 | 
|---|
| 76 |     fi
 | 
|---|
| 77 |     ;;
 | 
|---|
| 78 | 
 | 
|---|
| 79 |   amigaos*)
 | 
|---|
| 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 $output_objdir && a2ixlibrary -32)'
 | 
|---|
| 81 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 82 |     hardcode_minus_L=yes
 | 
|---|
| 83 | 
 | 
|---|
| 84 |     # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
 | 
|---|
| 85 |     # that the semantics of dynamic libraries on AmigaOS, at least up
 | 
|---|
| 86 |     # to version 4, is to share data among multiple programs linked
 | 
|---|
| 87 |     # with the same dynamic library.  Since this doesn't match the
 | 
|---|
| 88 |     # behavior of shared libraries on other platforms, we can use
 | 
|---|
| 89 |     # them.
 | 
|---|
| 90 |     ld_shlibs=no
 | 
|---|
| 91 |     ;;
 | 
|---|
| 92 | 
 | 
|---|
| 93 |   beos*)
 | 
|---|
| 94 |     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
 | 
|---|
| 95 |       allow_undefined_flag=unsupported
 | 
|---|
| 96 |       # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
 | 
|---|
| 97 |       # support --undefined.  This deserves some investigation.  FIXME
 | 
|---|
| 98 |       archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
 | 
|---|
| 99 |     else
 | 
|---|
| 100 |       ld_shlibs=no
 | 
|---|
| 101 |     fi
 | 
|---|
| 102 |     ;;
 | 
|---|
| 103 | 
 | 
|---|
| 104 |   cygwin* | mingw*)
 | 
|---|
| 105 |     # hardcode_libdir_flag_spec is actually meaningless, as there is
 | 
|---|
| 106 |     # no search path for DLLs.
 | 
|---|
| 107 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 108 |     allow_undefined_flag=unsupported
 | 
|---|
| 109 |     always_export_symbols=yes
 | 
|---|
| 110 | 
 | 
|---|
| 111 |     extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
 | 
|---|
| 112 |       sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
 | 
|---|
| 113 |       test -f $output_objdir/impgen.exe || (cd $output_objdir && \
 | 
|---|
| 114 |       if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
 | 
|---|
| 115 |       else $CC -o impgen impgen.c ; fi)~
 | 
|---|
| 116 |       $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
 | 
|---|
| 117 | 
 | 
|---|
| 118 |     old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
 | 
|---|
| 119 | 
 | 
|---|
| 120 |     # cygwin and mingw dlls have different entry points and sets of symbols
 | 
|---|
| 121 |     # to exclude.
 | 
|---|
| 122 |     # FIXME: what about values for MSVC?
 | 
|---|
| 123 |     dll_entry=__cygwin_dll_entry@12
 | 
|---|
| 124 |     dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
 | 
|---|
| 125 |     case $host_os in
 | 
|---|
| 126 |     mingw*)
 | 
|---|
| 127 |       # mingw values
 | 
|---|
| 128 |       dll_entry=_DllMainCRTStartup@12
 | 
|---|
| 129 |       dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
 | 
|---|
| 130 |       ;;
 | 
|---|
| 131 |     esac
 | 
|---|
| 132 | 
 | 
|---|
| 133 |     # mingw and cygwin differ, and it's simplest to just exclude the union
 | 
|---|
| 134 |     # of the two symbol sets.
 | 
|---|
| 135 |     dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
 | 
|---|
| 136 | 
 | 
|---|
| 137 |     # recent cygwin and mingw systems supply a stub DllMain which the user
 | 
|---|
| 138 |     # can override, but on older systems we have to supply one (in ltdll.c)
 | 
|---|
| 139 |     if test "x$lt_cv_need_dllmain" = "xyes"; then
 | 
|---|
| 140 |       ltdll_obj='$output_objdir/$soname-ltdll.'"$objext "
 | 
|---|
| 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~
 | 
|---|
| 142 |         test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
 | 
|---|
| 143 |     else
 | 
|---|
| 144 |       ltdll_obj=
 | 
|---|
| 145 |       ltdll_cmds=
 | 
|---|
| 146 |     fi
 | 
|---|
| 147 | 
 | 
|---|
| 148 |     # Extract the symbol export list from an `--export-all' def file,
 | 
|---|
| 149 |     # then regenerate the def file from the symbol export list, so that
 | 
|---|
| 150 |     # the compiled dll only exports the symbol export list.
 | 
|---|
| 151 |     # Be careful not to strip the DATA tag left be newer dlltools.
 | 
|---|
| 152 |     export_symbols_cmds="$ltdll_cmds"'
 | 
|---|
| 153 |       $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
 | 
|---|
| 154 |       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
 | 
|---|
| 155 | 
 | 
|---|
| 156 |     # If the export-symbols file already is a .def file (1st line
 | 
|---|
| 157 |     # is EXPORTS), use it as is.
 | 
|---|
| 158 |     # If DATA tags from a recent dlltool are present, honour them!
 | 
|---|
| 159 |     archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
 | 
|---|
| 160 |         cp $export_symbols $output_objdir/$soname-def;
 | 
|---|
| 161 |       else
 | 
|---|
| 162 |         echo EXPORTS > $output_objdir/$soname-def;
 | 
|---|
| 163 |         _lt_hint=1;
 | 
|---|
| 164 |         cat $export_symbols | while read symbol; do
 | 
|---|
| 165 |          set dummy \$symbol;
 | 
|---|
| 166 |          case \[$]# in
 | 
|---|
| 167 |            2) echo "   \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
 | 
|---|
| 168 |            *) echo "     \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
 | 
|---|
| 169 |          esac;
 | 
|---|
| 170 |          _lt_hint=`expr 1 + \$_lt_hint`;
 | 
|---|
| 171 |         done;
 | 
|---|
| 172 |       fi~
 | 
|---|
| 173 |       '"$ltdll_cmds"'
 | 
|---|
| 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~
 | 
|---|
| 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~
 | 
|---|
| 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~
 | 
|---|
| 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~
 | 
|---|
| 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'
 | 
|---|
| 179 |     ;;
 | 
|---|
| 180 | 
 | 
|---|
| 181 |   netbsd*)
 | 
|---|
| 182 |     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
 | 
|---|
| 183 |       archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 | 
|---|
| 184 |       wlarc=
 | 
|---|
| 185 |     else
 | 
|---|
| 186 |       archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
 | 
|---|
| 187 |       archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
 | 
|---|
| 188 |     fi
 | 
|---|
| 189 |     ;;
 | 
|---|
| 190 | 
 | 
|---|
| 191 |   solaris* | sysv5*)
 | 
|---|
| 192 |     if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
 | 
|---|
| 193 |       ld_shlibs=no
 | 
|---|
| 194 |       cat <<EOF 1>&2
 | 
|---|
| 195 | 
 | 
|---|
| 196 | *** Warning: The releases 2.8.* of the GNU linker cannot reliably
 | 
|---|
| 197 | *** create shared libraries on Solaris systems.  Therefore, libtool
 | 
|---|
| 198 | *** is disabling shared libraries support.  We urge you to upgrade GNU
 | 
|---|
| 199 | *** binutils to release 2.9.1 or newer.  Another option is to modify
 | 
|---|
| 200 | *** your PATH or compiler configuration so that the native linker is
 | 
|---|
| 201 | *** used, and then restart.
 | 
|---|
| 202 | 
 | 
|---|
| 203 | EOF
 | 
|---|
| 204 |     elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
 | 
|---|
| 205 |       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
 | 
|---|
| 206 |       archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
 | 
|---|
| 207 |     else
 | 
|---|
| 208 |       ld_shlibs=no
 | 
|---|
| 209 |     fi
 | 
|---|
| 210 |     ;;
 | 
|---|
| 211 | 
 | 
|---|
| 212 |   sunos4*)
 | 
|---|
| 213 |     archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 214 |     wlarc=
 | 
|---|
| 215 |     hardcode_direct=yes
 | 
|---|
| 216 |     hardcode_shlibpath_var=no
 | 
|---|
| 217 |     ;;
 | 
|---|
| 218 | 
 | 
|---|
| 219 |   *)
 | 
|---|
| 220 |     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
 | 
|---|
| 221 |       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
 | 
|---|
| 222 |       archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
 | 
|---|
| 223 |     else
 | 
|---|
| 224 |       ld_shlibs=no
 | 
|---|
| 225 |     fi
 | 
|---|
| 226 |     ;;
 | 
|---|
| 227 |   esac
 | 
|---|
| 228 | 
 | 
|---|
| 229 |   if test "$ld_shlibs" = yes; then
 | 
|---|
| 230 |     runpath_var=LD_RUN_PATH
 | 
|---|
| 231 |     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
 | 
|---|
| 232 |     export_dynamic_flag_spec='${wl}--export-dynamic'
 | 
|---|
| 233 |     case $host_os in
 | 
|---|
| 234 |     cygwin* | mingw*)
 | 
|---|
| 235 |       # dlltool doesn't understand --whole-archive et. al.
 | 
|---|
| 236 |       whole_archive_flag_spec=
 | 
|---|
| 237 |       ;;
 | 
|---|
| 238 |     *)
 | 
|---|
| 239 |       # ancient GNU ld didn't support --whole-archive et. al.
 | 
|---|
| 240 |       if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
 | 
|---|
| 241 |         whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
 | 
|---|
| 242 |       else
 | 
|---|
| 243 |         whole_archive_flag_spec=
 | 
|---|
| 244 |       fi
 | 
|---|
| 245 |       ;;
 | 
|---|
| 246 |     esac
 | 
|---|
| 247 |   fi
 | 
|---|
| 248 | else
 | 
|---|
| 249 |   # PORTME fill in a description of your system's linker (not GNU ld)
 | 
|---|
| 250 |   case $host_os in
 | 
|---|
| 251 |   aix3*)
 | 
|---|
| 252 |     allow_undefined_flag=unsupported
 | 
|---|
| 253 |     always_export_symbols=yes
 | 
|---|
| 254 |     archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
 | 
|---|
| 255 |     # Note: this linker hardcodes the directories in LIBPATH if there
 | 
|---|
| 256 |     # are no directories specified by -L.
 | 
|---|
| 257 |     hardcode_minus_L=yes
 | 
|---|
| 258 |     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
 | 
|---|
| 259 |       # Neither direct hardcoding nor static linking is supported with a
 | 
|---|
| 260 |       # broken collect2.
 | 
|---|
| 261 |       hardcode_direct=unsupported
 | 
|---|
| 262 |     fi
 | 
|---|
| 263 |     ;;
 | 
|---|
| 264 | 
 | 
|---|
| 265 |   aix4* | aix5*)
 | 
|---|
| 266 |     hardcode_direct=yes
 | 
|---|
| 267 |     hardcode_libdir_separator=':'
 | 
|---|
| 268 |     link_all_deplibs=yes
 | 
|---|
| 269 |     # When large executables or shared objects are built, AIX ld can
 | 
|---|
| 270 |     # have problems creating the table of contents.  If linking a library
 | 
|---|
| 271 |     # or program results in "error TOC overflow" add -mminimal-toc to
 | 
|---|
| 272 |     # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
 | 
|---|
| 273 |     # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
 | 
|---|
| 274 |     if test "$with_gcc" = yes; then
 | 
|---|
| 275 |       case $host_os in aix4.[012]|aix4.[012].*)
 | 
|---|
| 276 |       # We only want to do this on AIX 4.2 and lower, the check
 | 
|---|
| 277 |       # below for broken collect2 doesn't work under 4.3+
 | 
|---|
| 278 |         collect2name=`${CC} -print-prog-name=collect2`
 | 
|---|
| 279 |         if test -f "$collect2name" && \
 | 
|---|
| 280 |            strings "$collect2name" | grep resolve_lib_name >/dev/null
 | 
|---|
| 281 |         then
 | 
|---|
| 282 |           # We have reworked collect2
 | 
|---|
| 283 |           hardcode_direct=yes
 | 
|---|
| 284 |         else
 | 
|---|
| 285 |           # We have old collect2
 | 
|---|
| 286 |           hardcode_direct=unsupported
 | 
|---|
| 287 |           # It fails to find uninstalled libraries when the uninstalled
 | 
|---|
| 288 |           # path is not listed in the libpath.  Setting hardcode_minus_L
 | 
|---|
| 289 |           # to unsupported forces relinking
 | 
|---|
| 290 |           hardcode_minus_L=yes
 | 
|---|
| 291 |           hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 292 |           hardcode_libdir_separator=
 | 
|---|
| 293 |         fi
 | 
|---|
| 294 |       esac
 | 
|---|
| 295 |       shared_flag='-shared'
 | 
|---|
| 296 |     else
 | 
|---|
| 297 |       # not using gcc
 | 
|---|
| 298 |       if test "$host_cpu" = ia64; then
 | 
|---|
| 299 |         shared_flag='${wl}-G'
 | 
|---|
| 300 |       else
 | 
|---|
| 301 |         shared_flag='${wl}-bM:SRE'
 | 
|---|
| 302 |       fi
 | 
|---|
| 303 |     fi
 | 
|---|
| 304 | 
 | 
|---|
| 305 |     if test "$host_cpu" = ia64; then
 | 
|---|
| 306 |       # On IA64, the linker does run time linking by default, so we don't
 | 
|---|
| 307 |       # have to do anything special.
 | 
|---|
| 308 |       aix_use_runtimelinking=no
 | 
|---|
| 309 |       if test $with_gnu_ld = no; then
 | 
|---|
| 310 |         exp_sym_flag='-Bexport'
 | 
|---|
| 311 |         no_entry_flag=""
 | 
|---|
| 312 |       fi
 | 
|---|
| 313 |     else
 | 
|---|
| 314 |       # Test if we are trying to use run time linking, or normal AIX style linking.
 | 
|---|
| 315 |       # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
 | 
|---|
| 316 |       aix_use_runtimelinking=no
 | 
|---|
| 317 |       for ld_flag in $LDFLAGS; do
 | 
|---|
| 318 |         if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
 | 
|---|
| 319 |           aix_use_runtimelinking=yes
 | 
|---|
| 320 |           break
 | 
|---|
| 321 |         fi
 | 
|---|
| 322 |       done
 | 
|---|
| 323 |       exp_sym_flag='-bexport'
 | 
|---|
| 324 |       no_entry_flag='-bnoentry'
 | 
|---|
| 325 |     fi
 | 
|---|
| 326 |     # -bexpall does not export symbols beginning with underscore (_)
 | 
|---|
| 327 |     always_export_symbols=yes
 | 
|---|
| 328 |     if test "$aix_use_runtimelinking" = yes; then
 | 
|---|
| 329 |       # Warning - without using the other run time loading flags (-brtl), -berok will
 | 
|---|
| 330 |       #           link without error, but may produce a broken library.
 | 
|---|
| 331 |       allow_undefined_flag=' ${wl}-berok'
 | 
|---|
| 332 |       hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
 | 
|---|
| 333 |       archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
 | 
|---|
| 334 |     else
 | 
|---|
| 335 |       if test "$host_cpu" = ia64; then
 | 
|---|
| 336 |         if test $with_gnu_ld = no; then
 | 
|---|
| 337 |           hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
 | 
|---|
| 338 |           allow_undefined_flag="-z nodefs"
 | 
|---|
| 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"
 | 
|---|
| 340 |         fi
 | 
|---|
| 341 |       else
 | 
|---|
| 342 |         allow_undefined_flag=' ${wl}-berok'
 | 
|---|
| 343 |         # -bexpall does not export symbols beginning with underscore (_)
 | 
|---|
| 344 |         always_export_symbols=yes
 | 
|---|
| 345 |         # Exported symbols can be pulled into shared objects from archives
 | 
|---|
| 346 |         whole_archive_flag_spec=' '
 | 
|---|
| 347 |         build_libtool_need_lc=yes
 | 
|---|
| 348 |         hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
 | 
|---|
| 349 |         # This is similar to how AIX traditionally builds it's shared libraries.
 | 
|---|
| 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'
 | 
|---|
| 351 |       fi
 | 
|---|
| 352 |     fi
 | 
|---|
| 353 |   ;;
 | 
|---|
| 354 | 
 | 
|---|
| 355 |   amigaos*)
 | 
|---|
| 356 |     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 $output_objdir && a2ixlibrary -32)'
 | 
|---|
| 357 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 358 |     hardcode_minus_L=yes
 | 
|---|
| 359 |     # see comment about different semantics on the GNU ld section
 | 
|---|
| 360 |     ld_shlibs=no
 | 
|---|
| 361 |     ;;
 | 
|---|
| 362 | 
 | 
|---|
| 363 |   cygwin* | mingw*)
 | 
|---|
| 364 |     # When not using gcc, we currently assume that we are using
 | 
|---|
| 365 |     # Microsoft Visual C++.
 | 
|---|
| 366 |     # hardcode_libdir_flag_spec is actually meaningless, as there is
 | 
|---|
| 367 |     # no search path for DLLs.
 | 
|---|
| 368 |     hardcode_libdir_flag_spec=' '
 | 
|---|
| 369 |     allow_undefined_flag=unsupported
 | 
|---|
| 370 |     # Tell ltmain to make .lib files, not .a files.
 | 
|---|
| 371 |     libext=lib
 | 
|---|
| 372 |     # FIXME: Setting linknames here is a bad hack.
 | 
|---|
| 373 |     archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
 | 
|---|
| 374 |     # The linker will automatically build a .lib file if we build a DLL.
 | 
|---|
| 375 |     old_archive_from_new_cmds='true'
 | 
|---|
| 376 |     # FIXME: Should let the user specify the lib program.
 | 
|---|
| 377 |     old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
 | 
|---|
| 378 |     fix_srcfile_path='`cygpath -w "$srcfile"`'
 | 
|---|
| 379 |     ;;
 | 
|---|
| 380 | 
 | 
|---|
| 381 |   freebsd1*)
 | 
|---|
| 382 |     ld_shlibs=no
 | 
|---|
| 383 |     ;;
 | 
|---|
| 384 | 
 | 
|---|
| 385 |   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
 | 
|---|
| 386 |   # support.  Future versions do this automatically, but an explicit c++rt0.o
 | 
|---|
| 387 |   # does not break anything, and helps significantly (at the cost of a little
 | 
|---|
| 388 |   # extra space).
 | 
|---|
| 389 |   freebsd2.2*)
 | 
|---|
| 390 |     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
 | 
|---|
| 391 |     hardcode_libdir_flag_spec='-R$libdir'
 | 
|---|
| 392 |     hardcode_direct=yes
 | 
|---|
| 393 |     hardcode_shlibpath_var=no
 | 
|---|
| 394 |     ;;
 | 
|---|
| 395 | 
 | 
|---|
| 396 |   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
 | 
|---|
| 397 |   freebsd2*)
 | 
|---|
| 398 |     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 399 |     hardcode_direct=yes
 | 
|---|
| 400 |     hardcode_minus_L=yes
 | 
|---|
| 401 |     hardcode_shlibpath_var=no
 | 
|---|
| 402 |     ;;
 | 
|---|
| 403 | 
 | 
|---|
| 404 |   # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
 | 
|---|
| 405 |   freebsd*)
 | 
|---|
| 406 |     archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
 | 
|---|
| 407 |     hardcode_libdir_flag_spec='-R$libdir'
 | 
|---|
| 408 |     hardcode_direct=yes
 | 
|---|
| 409 |     hardcode_shlibpath_var=no
 | 
|---|
| 410 |     ;;
 | 
|---|
| 411 | 
 | 
|---|
| 412 |   hpux9* | hpux10* | hpux11*)
 | 
|---|
| 413 |     case $host_os in
 | 
|---|
| 414 |     hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
 | 
|---|
| 415 |     *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
 | 
|---|
| 416 |     esac
 | 
|---|
| 417 |     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 | 
|---|
| 418 |     hardcode_libdir_separator=:
 | 
|---|
| 419 |     hardcode_direct=yes
 | 
|---|
| 420 |     hardcode_minus_L=yes # Not in the search PATH, but as the default
 | 
|---|
| 421 |                          # location of the library.
 | 
|---|
| 422 |     export_dynamic_flag_spec='${wl}-E'
 | 
|---|
| 423 |     ;;
 | 
|---|
| 424 | 
 | 
|---|
| 425 |   irix5* | irix6*)
 | 
|---|
| 426 |     if test "$with_gcc" = yes; then
 | 
|---|
| 427 |       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
 | 
|---|
| 428 |     else
 | 
|---|
| 429 |       archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 | 
|---|
| 430 |     fi
 | 
|---|
| 431 |     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 | 
|---|
| 432 |     hardcode_libdir_separator=:
 | 
|---|
| 433 |     link_all_deplibs=yes
 | 
|---|
| 434 |     ;;
 | 
|---|
| 435 | 
 | 
|---|
| 436 |   netbsd*)
 | 
|---|
| 437 |     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
 | 
|---|
| 438 |       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
 | 
|---|
| 439 |     else
 | 
|---|
| 440 |       archive_cmds='$LD -shared -nodefaultlibs -o $lib $libobjs $deplibs $linker_flags'      # ELF
 | 
|---|
| 441 |     fi
 | 
|---|
| 442 |     hardcode_libdir_flag_spec='${wl}-R$libdir'
 | 
|---|
| 443 |     hardcode_direct=yes
 | 
|---|
| 444 |     hardcode_shlibpath_var=no
 | 
|---|
| 445 |     ;;
 | 
|---|
| 446 | 
 | 
|---|
| 447 |   openbsd*)
 | 
|---|
| 448 |     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 449 |     hardcode_libdir_flag_spec='-R$libdir'
 | 
|---|
| 450 |     hardcode_direct=yes
 | 
|---|
| 451 |     hardcode_shlibpath_var=no
 | 
|---|
| 452 |     ;;
 | 
|---|
| 453 | 
 | 
|---|
| 454 |   os2*)
 | 
|---|
| 455 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 456 |     hardcode_minus_L=yes
 | 
|---|
| 457 |     allow_undefined_flag=unsupported
 | 
|---|
| 458 |     archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
 | 
|---|
| 459 |     old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
 | 
|---|
| 460 |     ;;
 | 
|---|
| 461 | 
 | 
|---|
| 462 |   osf3*)
 | 
|---|
| 463 |     if test "$with_gcc" = yes; then
 | 
|---|
| 464 |       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 | 
|---|
| 465 |       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
 | 
|---|
| 466 |     else
 | 
|---|
| 467 |       allow_undefined_flag=' -expect_unresolved \*'
 | 
|---|
| 468 |       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 | 
|---|
| 469 |     fi
 | 
|---|
| 470 |     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 | 
|---|
| 471 |     hardcode_libdir_separator=:
 | 
|---|
| 472 |     ;;
 | 
|---|
| 473 | 
 | 
|---|
| 474 |   osf4* | osf5*)        # as osf3* with the addition of -msym flag
 | 
|---|
| 475 |     if test "$with_gcc" = yes; then
 | 
|---|
| 476 |       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 | 
|---|
| 477 |       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
 | 
|---|
| 478 |     else
 | 
|---|
| 479 |       allow_undefined_flag=' -expect_unresolved \*'
 | 
|---|
| 480 |       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 | 
|---|
| 481 |     fi
 | 
|---|
| 482 |     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 | 
|---|
| 483 |     hardcode_libdir_separator=:
 | 
|---|
| 484 |     ;;
 | 
|---|
| 485 | 
 | 
|---|
| 486 |   sco3.2v5*)
 | 
|---|
| 487 |     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 488 |     hardcode_shlibpath_var=no
 | 
|---|
| 489 |     runpath_var=LD_RUN_PATH
 | 
|---|
| 490 |     hardcode_runpath_var=yes
 | 
|---|
| 491 |     ;;
 | 
|---|
| 492 | 
 | 
|---|
| 493 |   solaris*)
 | 
|---|
| 494 |     no_undefined_flag=' ${wl}-z ${wl}defs'
 | 
|---|
| 495 |     archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
 | 
|---|
| 496 |     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 | 
|---|
| 497 |       $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
 | 
|---|
| 498 | 
 | 
|---|
| 499 |     # Commands to make compiler produce verbose output that lists
 | 
|---|
| 500 |     # what "hidden" libraries, object files and flags are used when
 | 
|---|
| 501 |     # linking a shared library.
 | 
|---|
| 502 |     output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
 | 
|---|
| 503 | 
 | 
|---|
| 504 |     hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
 | 
|---|
| 505 |     hardcode_shlibpath_var=no
 | 
|---|
| 506 |     case $host_os in
 | 
|---|
| 507 |     solaris2.[0-5] | solaris2.[0-5].*) ;;
 | 
|---|
| 508 |     *) # Supported since Solaris 2.6 (maybe 2.5.1?)
 | 
|---|
| 509 |       whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' ;;
 | 
|---|
| 510 |     esac
 | 
|---|
| 511 |     link_all_deplibs=yes
 | 
|---|
| 512 |     ;;
 | 
|---|
| 513 | 
 | 
|---|
| 514 |   sunos4*)
 | 
|---|
| 515 |     archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 516 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 517 |     hardcode_direct=yes
 | 
|---|
| 518 |     hardcode_minus_L=yes
 | 
|---|
| 519 |     hardcode_shlibpath_var=no
 | 
|---|
| 520 |     ;;
 | 
|---|
| 521 | 
 | 
|---|
| 522 |   sysv4)
 | 
|---|
| 523 |     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 524 |     runpath_var='LD_RUN_PATH'
 | 
|---|
| 525 |     hardcode_shlibpath_var=no
 | 
|---|
| 526 |     hardcode_direct=no #Motorola manual says yes, but my tests say they lie
 | 
|---|
| 527 |     ;;
 | 
|---|
| 528 | 
 | 
|---|
| 529 |   sysv4.3*)
 | 
|---|
| 530 |     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 531 |     hardcode_shlibpath_var=no
 | 
|---|
| 532 |     export_dynamic_flag_spec='-Bexport'
 | 
|---|
| 533 |     ;;
 | 
|---|
| 534 | 
 | 
|---|
| 535 |   sysv5*)
 | 
|---|
| 536 |     no_undefined_flag=' -z text'
 | 
|---|
| 537 |     # $CC -shared without GNU ld will not create a library from C++
 | 
|---|
| 538 |     # object files and a static libstdc++, better avoid it by now
 | 
|---|
| 539 |     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 540 |     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 | 
|---|
| 541 |                 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
 | 
|---|
| 542 |     hardcode_libdir_flag_spec=
 | 
|---|
| 543 |     hardcode_shlibpath_var=no
 | 
|---|
| 544 |     runpath_var='LD_RUN_PATH'
 | 
|---|
| 545 |     ;;
 | 
|---|
| 546 | 
 | 
|---|
| 547 |   uts4*)
 | 
|---|
| 548 |     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 549 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 550 |     hardcode_shlibpath_var=no
 | 
|---|
| 551 |     ;;
 | 
|---|
| 552 | 
 | 
|---|
| 553 |   dgux*)
 | 
|---|
| 554 |     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 555 |     hardcode_libdir_flag_spec='-L$libdir'
 | 
|---|
| 556 |     hardcode_shlibpath_var=no
 | 
|---|
| 557 |     ;;
 | 
|---|
| 558 | 
 | 
|---|
| 559 |   sysv4*MP*)
 | 
|---|
| 560 |     if test -d /usr/nec; then
 | 
|---|
| 561 |       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 562 |       hardcode_shlibpath_var=no
 | 
|---|
| 563 |       runpath_var=LD_RUN_PATH
 | 
|---|
| 564 |       hardcode_runpath_var=yes
 | 
|---|
| 565 |       ld_shlibs=yes
 | 
|---|
| 566 |     fi
 | 
|---|
| 567 |     ;;
 | 
|---|
| 568 | 
 | 
|---|
| 569 |   sysv4.2uw2*)
 | 
|---|
| 570 |     archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
 | 
|---|
| 571 |     hardcode_direct=yes
 | 
|---|
| 572 |     hardcode_minus_L=no
 | 
|---|
| 573 |     hardcode_shlibpath_var=no
 | 
|---|
| 574 |     hardcode_runpath_var=yes
 | 
|---|
| 575 |     runpath_var=LD_RUN_PATH
 | 
|---|
| 576 |     ;;
 | 
|---|
| 577 | 
 | 
|---|
| 578 |   sysv5uw7* | unixware7*)
 | 
|---|
| 579 |     no_undefined_flag='${wl}-z ${wl}text'
 | 
|---|
| 580 |     if test "$GCC" = yes; then
 | 
|---|
| 581 |       archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
 | 
|---|
| 582 |     else
 | 
|---|
| 583 |       archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
 | 
|---|
| 584 |     fi
 | 
|---|
| 585 |     runpath_var='LD_RUN_PATH'
 | 
|---|
| 586 |     hardcode_shlibpath_var=no
 | 
|---|
| 587 |     ;;
 | 
|---|
| 588 | 
 | 
|---|
| 589 |   *)
 | 
|---|
| 590 |     ld_shlibs=no
 | 
|---|
| 591 |     ;;
 | 
|---|
| 592 |   esac
 | 
|---|
| 593 | fi
 | 
|---|
| 594 | 
 | 
|---|
| 595 | ## Compiler Characteristics: PIC flags, static flags, etc
 | 
|---|
| 596 | 
 | 
|---|
| 597 | # We don't use cached values here since only the C compiler
 | 
|---|
| 598 | # characteristics should be cached.
 | 
|---|
| 599 |   ac_cv_prog_cc_pic=
 | 
|---|
| 600 |   ac_cv_prog_cc_shlib=
 | 
|---|
| 601 |   ac_cv_prog_cc_wl=
 | 
|---|
| 602 |   ac_cv_prog_cc_static=
 | 
|---|
| 603 |   ac_cv_prog_cc_no_builtin=
 | 
|---|
| 604 |   ac_cv_prog_cc_can_build_shared=$can_build_shared
 | 
|---|
| 605 | 
 | 
|---|
| 606 |     ac_cv_prog_cc_wl='-Wl,'
 | 
|---|
| 607 |     ac_cv_prog_cc_static='-static'
 | 
|---|
| 608 | 
 | 
|---|
| 609 |     case $host_os in
 | 
|---|
| 610 |     beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
 | 
|---|
| 611 |       # PIC is the default for these OSes.
 | 
|---|
| 612 |       ;;
 | 
|---|
| 613 |     aix*)
 | 
|---|
| 614 |       # Below there is a dirty hack to force normal static linking with -ldl
 | 
|---|
| 615 |       # The problem is because libdl dynamically linked with both libc and
 | 
|---|
| 616 |       # libC (AIX C++ library), which obviously doesn't included in libraries
 | 
|---|
| 617 |       # list by gcc. This cause undefined symbols with -static flags.
 | 
|---|
| 618 |       # This hack allows C programs to be linked with "-static -ldl", but
 | 
|---|
| 619 |       # we not sure about C++ programs.
 | 
|---|
| 620 |       ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
 | 
|---|
| 621 |       ;;
 | 
|---|
| 622 |     *djgpp*)
 | 
|---|
| 623 |       # DJGPP does not suppot shared libraries at all
 | 
|---|
| 624 |       ac_cv_prog_cc_pic=
 | 
|---|
| 625 |       ;;
 | 
|---|
| 626 |     cygwin* | mingw* | os2*)
 | 
|---|
| 627 |       # This hack is so that the source file can tell whether it is being
 | 
|---|
| 628 |       # built for inclusion in a dll (and should export symbols for example).
 | 
|---|
| 629 |       ac_cv_prog_cc_pic='-DDLL_EXPORT'
 | 
|---|
| 630 |       ;;
 | 
|---|
| 631 |     amigaos*)
 | 
|---|
| 632 |       # FIXME: we need at least 68020 code to build shared libraries, but
 | 
|---|
| 633 |       # adding the `-m68020' flag to GCC prevents building anything better,
 | 
|---|
| 634 |       # like `-m68040'.
 | 
|---|
| 635 |       ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
 | 
|---|
| 636 |       ;;
 | 
|---|
| 637 |     sysv4*MP*)
 | 
|---|
| 638 |       if test -d /usr/nec; then
 | 
|---|
| 639 |          ac_cv_prog_cc_pic=-Kconform_pic
 | 
|---|
| 640 |       fi
 | 
|---|
| 641 |       ;;
 | 
|---|
| 642 |     *)
 | 
|---|
| 643 |       ac_cv_prog_cc_pic='-fPIC'
 | 
|---|
| 644 |       ;;
 | 
|---|
| 645 |     esac
 | 
|---|
| 646 | 
 | 
|---|
| 647 | # GCJ did not exist at the time GCC didn't implicitly link libc in.
 | 
|---|
| 648 | need_lc=no
 | 
|---|
| 649 | 
 | 
|---|
| 650 | # All existing releases of GCJ support `-c -o'.
 | 
|---|
| 651 | lt_cv_compiler_c_o=yes
 | 
|---|