ltcf-cxx.sh

   1 #### This script is meant to be sourced by ltconfig.
   2
   3 # ltcf-cxx.sh - Create a C++ compiler specific configuration
   4 #
   5 # Copyright (C) 1996-1999, 2000, 2001 Free Software Foundation, Inc.
   6 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
   7 #
   8 # Original C++ support by:Gary V. Vaughan <gvv@techie.com>
   9 #    Alexandre Oliva <oliva@lsd.ic.unicamp.br>
  10 #    Ossama Othman <ossama@debian.org>
  11 #    Thomas Thanner <tanner@gmx.de>
  12 #
  13 # This file is free software; you can redistribute it and/or modify it
  14 # under the terms of the GNU General Public License as published by
  15 # the Free Software Foundation; either version 2 of the License, or
  16 # (at your option) any later version.
  17 #
  18 # This program is distributed in the hope that it will be useful, but
  19 # WITHOUT ANY WARRANTY; without even the implied warranty of
  20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 # General Public License for more details.
  22 #
  23 # You should have received a copy of the GNU General Public License
  24 # along with this program; if not, write to the Free Software
  25 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26 #
  27 # As a special exception to the GNU General Public License, if you
  28 # distribute this file as part of a program that contains a
  29 # configuration script generated by Autoconf, you may include it under
  30 # the same distribution terms that you use for the rest of that program.
  31
  32
  33 # Source file extension for C++ test sources.
  34 ac_ext=cc
  35
  36 # Object file extension for compiled C++ test sources.
  37 objext=o
  38
  39 # Code to be used in simple compile tests
  40 lt_simple_compile_test_code="int some_variable = 0;"
  41
  42 # Code to be used in simple link tests
  43 lt_simple_link_test_code='int main(int, char *[]) { return (0); }'
  44
  45 # C++ compiler
  46 CXX=${CXX-c++}
  47
  48 # ltmain only uses $CC for tagged configurations so make sure $CC is set.
  49 CC=${CC-"$CXX"}
  50 CFLAGS=${CFLAGS-"$CXXFLAGS"}
  51
  52 # Allow CC to be a program name with arguments.
  53 set dummy $CC
  54 compiler=$2
  55 cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
  56
  57 # Check if we are using GNU gcc  (taken/adapted from configure script)
  58 # We need to check here since "--with-gcc" is set at configure time,
  59 # not ltconfig time!
  60 cat > conftest.$ac_ext <<EOF
  61 #ifdef __GNUC__
  62   yes;
  63 #endif
  64 EOF
  65 if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
  66   with_gcc=yes
  67
  68   # Set up default GNU C++ configuration
  69
  70   # Check if GNU C++ uses GNU ld as the underlying linker, since the
  71   # archiving commands below assume that GNU ld is being used.
  72   if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
  73       egrep 'GNU ld' > /dev/null; then
  74     with_gnu_ld=yes
  75
  76     archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
  77     archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  78
  79     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
  80     export_dynamic_flag_spec='${wl}--export-dynamic'
  81
  82     # If archive_cmds runs LD, not CC, wlarc should be empty
  83     # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
  84     #     investigate it a little bit more. (MM)
  85     wlarc='${wl}'
  86
  87     # ancient GNU ld didn't support --whole-archive et. al.
  88     if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
  89         egrep 'no-whole-archive' > /dev/null; then
  90       whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
  91     else
  92       whole_archive_flag_spec=
  93     fi
  94   else
  95     with_gnu_ld=no
  96     wlarc=
  97
  98     # A generic and very simple default shared library creation
  99     # command for GNU C++ for the case where it uses the native
 100     # linker, instead of GNU ld.  If possible, this setting should
 101     # overridden to take advantage of the native linker features on
 102     # the platform it is being used on.
 103     archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
 104   fi
 105
 106   # Commands to make compiler produce verbose output that lists
 107   # what "hidden" libraries, object files and flags are used when
 108   # linking a shared library.
 109   output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
 110
 111 else
 112   with_gcc=no
 113   with_gnu_ld=no
 114   wlarc=
 115 fi
 116
 117 # In general, the C++ compiler should always link C++ objects.
 118 case $target in
 119 *aix3* | *aix4*)
 120   # AIX just has to be different, doesn't it? :-\
 121   LD=makeC++SharedLib_r
 122   LDFLAGS="$LDFLAGS -p 0"
 123   ;;
 124 *)
 125   LD="$CC"
 126   LDFLAGS="$LDFLAGS"
 127   ;;
 128 esac
 129
 130
 131 # PORTME: fill in a description of your system's C++ link characteristics
 132 case "$host_os" in
 133   aix3*)
 134     # FIXME: insert proper C++ library support
 135     ld_shlibs=no
 136
 137     # We don't want to build shared libraries on unknown CPU types.
 138     case $host_cpu in
 139     powerpc | rs6000) ;;
 140     *) ld_shlibs=no ;;
 141     esac
 142     ;;
 143   aix4*)
 144     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'
 145     # -bexpall does not export symbols beginning with underscore (_)
 146     always_export_symbols=yes
 147     # Exported symbols can be pulled into shared objects from archives
 148     whole_archive_flag_spec=' '
 149     build_libtool_need_lc=yes
 150     ;;
 151   chorus*)
 152     case "$cc_basename" in
 153       *)
 154         # FIXME: insert proper C++ library support
 155         ld_shlibs=no
 156         ;;
 157     esac
 158     ;;
 159   dgux*)
 160     case "$cc_basename" in
 161       ec++)
 162         # FIXME: insert proper C++ library support
 163         ld_shlibs=no
 164         ;;
 165       ghcx)
 166         # Green Hills C++ Compiler
 167         # FIXME: insert proper C++ library support
 168         ld_shlibs=no
 169         ;;
 170       *)
 171         # FIXME: insert proper C++ library support
 172         ld_shlibs=no
 173         ;;
 174     esac
 175     ;;
 176   freebsd*)
 177     # FreeBSD uses GNU C++ and GNU ld
 178     # FIXME: insert proper C++ library support
 179     ld_shlibs=no
 180     ;;
 181   hpux*)
 182     case "$cc_basename" in
 183       CC)
 184         # FIXME: insert proper C++ library support
 185         ld_shlibs=no
 186         ;;
 187       aCC)
 188         case "$host_os" in
 189         hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
 190         *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
 191         esac
 192         hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 193         hardcode_libdir_separator=:
 194         hardcode_direct=yes
 195         hardcode_minus_L=yes # Not in the search PATH, but as the default
 196                              # location of the library.
 197         export_dynamic_flag_spec='${wl}-E'
 198
 199         # Commands to make compiler produce verbose output that lists
 200         # what "hidden" libraries, object files and flags are used when
 201         # linking a shared library.
 202         #
 203         # There doesn't appear to be a way to prevent this compiler from
 204         # explicitly linking system object files so we need to strip them
 205         # from the output so that they don't get included in the library
 206         # dependencies.
 207         output_verbose_link_cmds='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | egrep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
 208         ;;
 209       *)
 210         # FIXME: insert proper C++ library support
 211         ld_shlibs=no
 212         ;;
 213     esac
 214     ;;
 215   irix5* | irix6*)
 216     case "$cc_basename" in
 217       CC)
 218         # SGI C++
 219         archive_cmds='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 220
 221         # Archives containing C++ object files must be created using
 222         # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
 223         # necessary to make sure instantiated templates are included
 224         # in the archive.
 225         old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
 226         ;;
 227       *)
 228         if test "$with_gcc" = yes; then
 229           if test "$with_gnu_ld" = no; then
 230             archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
 231           else
 232             archive_cmds='$LD -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
 233           fi
 234         fi
 235         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 236         hardcode_libdir_separator=:
 237         link_all_deplibs=yes
 238         ;;
 239     esac
 240     ;;
 241   linux*)
 242     case "$cc_basename" in
 243       KCC)
 244         # Kuck and Associates, Inc. (KAI) C++ Compiler
 245
 246         # KCC will only create a shared library if the output file
 247         # ends with ".so" (or ".sl" for HP-UX), so rename the library
 248         # to its proper name (with version) after linking.
 249         archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
 250         archive_expsym_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
 251
 252         # Commands to make compiler produce verbose output that lists
 253         # what "hidden" libraries, object files and flags are used when
 254         # linking a shared library.
 255         #
 256         # There doesn't appear to be a way to prevent this compiler from
 257         # explicitly linking system object files so we need to strip them
 258         # from the output so that they don't get included in the library
 259         # dependencies.
 260         output_verbose_link_cmds='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest.so 2>&1 | egrep "ld"`; rm -f libconftest.so; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
 261
 262         hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
 263         export_dynamic_flag_spec='${wl}--export-dynamic'
 264
 265         # Archives containing C++ object files must be created using
 266         # "CC -Bstatic", where "CC" is the KAI C++ compiler.
 267         old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
 268         ;;
 269       cxx)
 270         # Compaq C++
 271         archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
 272         archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
 273
 274         runpath_var=LD_RUN_PATH
 275         hardcode_libdir_flag_spec='-rpath $libdir'
 276         hardcode_libdir_separator=:
 277
 278         # Commands to make compiler produce verbose output that lists
 279         # what "hidden" libraries, object files and flags are used when
 280         # linking a shared library.
 281         #
 282         # There doesn't appear to be a way to prevent this compiler from
 283         # explicitly linking system object files so we need to strip them
 284         # from the output so that they don't get included in the library
 285         # dependencies.
 286         output_verbose_link_cmds='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
 287         ;;
 288     esac
 289     ;;
 290   lynxos*)
 291     # FIXME: insert proper C++ library support
 292     ld_shlibs=no
 293     ;;
 294   m88k*)
 295     # FIXME: insert proper C++ library support
 296     ld_shlibs=no
 297     ;;
 298   mvs*)
 299     case "$cc_basename" in
 300       cxx)
 301         # FIXME: insert proper C++ library support
 302         ld_shlibs=no
 303         ;;
 304       *)
 305         # FIXME: insert proper C++ library support
 306         ld_shlibs=no
 307         ;;
 308     esac
 309     ;;
 310   netbsd*)
 311     # NetBSD uses g++ - do we need to do anything?
 312     ;;
 313   osf3*)
 314     if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
 315       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 316       archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
 317
 318       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 319       hardcode_libdir_separator=:
 320
 321       # Commands to make compiler produce verbose output that lists
 322       # what "hidden" libraries, object files and flags are used when
 323       # linking a shared library.
 324       output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
 325     fi
 326
 327     case "$cc_basename" in
 328       KCC)
 329         # Kuck and Associates, Inc. (KAI) C++ Compiler
 330
 331         # KCC will only create a shared library if the output file
 332         # ends with ".so" (or ".sl" for HP-UX), so rename the library
 333         # to its proper name (with version) after linking.
 334         archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
 335
 336         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
 337         hardcode_libdir_separator=:
 338
 339         # Archives containing C++ object files must be created using
 340         # "CC -Bstatic", where "CC" is the KAI C++ compiler.
 341         old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
 342
 343         ;;
 344       RCC)
 345         # Rational C++ 2.4.1
 346         # FIXME: insert proper C++ library support
 347         ld_shlibs=no
 348         ;;
 349       cxx)
 350         allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 351         archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 352
 353         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 354         hardcode_libdir_separator=:
 355
 356         # Commands to make compiler produce verbose output that lists
 357         # what "hidden" libraries, object files and flags are used when
 358         # linking a shared library.
 359         #
 360         # There doesn't appear to be a way to prevent this compiler from
 361         # explicitly linking system object files so we need to strip them
 362         # from the output so that they don't get included in the library
 363         # dependencies.
 364         output_verbose_link_cmds='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
 365         ;;
 366       *)
 367         # FIXME: insert proper C++ library support
 368         ld_shlibs=no
 369         ;;
 370     esac
 371     ;;
 372   osf4* | osf5*)
 373     if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
 374       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 375       archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $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 $lib'
 376
 377       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 378       hardcode_libdir_separator=:
 379
 380       # Commands to make compiler produce verbose output that lists
 381       # what "hidden" libraries, object files and flags are used when
 382       # linking a shared library.
 383       output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
 384     fi
 385
 386     case "$cc_basename" in
 387       KCC)
 388         # Kuck and Associates, Inc. (KAI) C++ Compiler
 389
 390         # KCC will only create a shared library if the output file
 391         # ends with ".so" (or ".sl" for HP-UX), so rename the library
 392         # to its proper name (with version) after linking.
 393         archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
 394
 395         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
 396         hardcode_libdir_separator=:
 397
 398         # Archives containing C++ object files must be created using
 399         # the KAI C++ compiler.
 400         old_archive_cmds='$CC -o $oldlib $oldobjs'
 401         ;;
 402       RCC)
 403         # Rational C++ 2.4.1
 404         # FIXME: insert proper C++ library support
 405         ld_shlibs=no
 406         ;;
 407       cxx)
 408         allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 409         archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 410
 411         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 412         hardcode_libdir_separator=:
 413
 414         # Commands to make compiler produce verbose output that lists
 415         # what "hidden" libraries, object files and flags are used when
 416         # linking a shared library.
 417         #
 418         # There doesn't appear to be a way to prevent this compiler from
 419         # explicitly linking system object files so we need to strip them
 420         # from the output so that they don't get included in the library
 421         # dependencies.
 422         output_verbose_link_cmds='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
 423         ;;
 424       *)
 425         # FIXME: insert proper C++ library support
 426         ld_shlibs=no
 427         ;;
 428     esac
 429     ;;
 430   psos*)
 431     # FIXME: insert proper C++ library support
 432     ld_shlibs=no
 433     ;;
 434   sco*)
 435     case "$cc_basename" in
 436       CC)
 437         # FIXME: insert proper C++ library support
 438         ld_shlibs=no
 439         ;;
 440       *)
 441         # FIXME: insert proper C++ library support
 442         ld_shlibs=no
 443         ;;
 444     esac
 445     ;;
 446   sunos4*)
 447     case "$cc_basename" in
 448       CC)
 449         # Sun C++ 4.x
 450         # FIXME: insert proper C++ library support
 451         ld_shlibs=no
 452         ;;
 453       lcc)
 454         # Lucid
 455         # FIXME: insert proper C++ library support
 456         ld_shlibs=no
 457         ;;
 458       *)
 459         # FIXME: insert proper C++ library support
 460         ld_shlibs=no
 461         ;;
 462     esac
 463     ;;
 464   solaris*)
 465     case "$cc_basename" in
 466       CC)
 467         # Sun C++ 4.2, 5.x and Centerline C++
 468         no_undefined_flag=' -ztext'
 469         archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
 470         archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 471         $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
 472
 473         hardcode_libdir_flag_spec='-R$libdir'
 474         hardcode_shlibpath_var=no
 475         case "$host_os" in
 476           solaris2.[0-5] | solaris2.[0-5].*) ;;
 477           *)
 478             # The C++ compiler is used as linker so we must use $wl
 479             # flag to pass the commands to the underlying system
 480             # linker.
 481             # Supported since Solaris 2.6 (maybe 2.5.1?)
 482             whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
 483             ;;
 484         esac
 485         link_all_deplibs=yes
 486
 487         # Commands to make compiler produce verbose output that lists
 488         # what "hidden" libraries, object files and flags are used when
 489         # linking a shared library.
 490         #
 491         # There doesn't appear to be a way to prevent this compiler from
 492         # explicitly linking system object files so we need to strip them
 493         # from the output so that they don't get included in the library
 494         # dependencies.
 495         output_verbose_link_cmds='templist=`$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep "\-R|\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
 496
 497         # Archives containing C++ object files must be created using
 498         # "CC -xar", where "CC" is the Sun C++ compiler.  This is
 499         # necessary to make sure instantiated templates are included
 500         # in the archive.
 501         old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
 502         ;;
 503       gcx)
 504         # Green Hills C++ Compiler
 505         archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
 506
 507         # The C++ compiler must be used to create the archive.
 508         old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
 509         ;;
 510       *)
 511         # GNU C++ compiler with Solaris linker
 512         if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
 513           if $CC --version | egrep -v '^2\.7' > /dev/null; then
 514             archive_cmds='$LD -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
 515             archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 516                 $LD -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
 517
 518             # Commands to make compiler produce verbose output that lists
 519             # what "hidden" libraries, object files and flags are used when
 520             # linking a shared library.
 521             output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
 522           else
 523             # g++ 2.7 appears to require `-G' NOT `-shared' on this
 524             # platform.
 525             archive_cmds='$LD -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
 526             archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 527                 $LD -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
 528
 529             # Commands to make compiler produce verbose output that lists
 530             # what "hidden" libraries, object files and flags are used when
 531             # linking a shared library.
 532             output_verbose_link_cmds="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
 533           fi
 534
 535           hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
 536         fi
 537         ;;
 538     esac
 539     ;;
 540   tandem*)
 541     case "$cc_basename" in
 542       NCC)
 543         # NonStop-UX NCC 3.20
 544         # FIXME: insert proper C++ library support
 545         ld_shlibs=no
 546         ;;
 547       *)
 548         # FIXME: insert proper C++ library support
 549         ld_shlibs=no
 550         ;;
 551     esac
 552     ;;
 553   unixware*)
 554     # FIXME: insert proper C++ library support
 555     ld_shlibs=no
 556     ;;
 557   vxworks*)
 558     # FIXME: insert proper C++ library support
 559     ld_shlibs=no
 560     ;;
 561   *)
 562     # FIXME: insert proper C++ library support
 563     ld_shlibs=no
 564     ;;
 565 esac
 566
 567
 568 ## Compiler Characteristics: PIC flags, static flags, etc
 569
 570 # We don't use cached values here since only the C compiler
 571 # characteristics should be cached.
 572 ac_cv_prog_cc_pic=
 573 ac_cv_prog_cc_shlib=
 574 ac_cv_prog_cc_wl=
 575 ac_cv_prog_cc_static=
 576 ac_cv_prog_cc_no_builtin=
 577 ac_cv_prog_cc_can_build_shared=$can_build_shared
 578
 579 ac_cv_prog_cc_pic_works=
 580 ac_cv_prog_cc_static_works=
 581
 582 if test "$with_gcc" = yes; then
 583   ac_cv_prog_cc_wl='-Wl,'
 584   ac_cv_prog_cc_static='-static'
 585
 586   case "$host_os" in
 587   beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
 588     # PIC is the default for these OSes.
 589     ;;
 590   aix*)
 591     # Below there is a dirty hack to force normal static linking with -ldl
 592     # The problem is because libdl dynamically linked with both libc and
 593     # libC (AIX C++ library), which obviously doesn't included in libraries
 594     # list by gcc. This cause undefined symbols with -static flags.
 595     # This hack allows C programs to be linked with "-static -ldl", but
 596     # we not sure about C++ programs.
 597     ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
 598     ;;
 599   cygwin* | mingw* | os2*)
 600     # This hack is so that the source file can tell whether it is being
 601     # built for inclusion in a dll (and should export symbols for example).
 602     ac_cv_prog_cc_pic='-DDLL_EXPORT'
 603     ;;
 604   amigaos*)
 605     # FIXME: we need at least 68020 code to build shared libraries, but
 606     # adding the `-m68020' flag to GCC prevents building anything better,
 607     # like `-m68040'.
 608     ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
 609     ;;
 610   sysv4*MP*)
 611     if test -d /usr/nec; then
 612       ac_cv_prog_cc_pic=-Kconform_pic
 613     fi
 614     ;;
 615   *)
 616     ac_cv_prog_cc_pic='-fPIC'
 617     ;;
 618   esac
 619 else
 620   case "$host_os" in
 621     aix4*)
 622       # All AIX code is PIC.
 623       ;;
 624     chorus*)
 625       case "$cc_basename" in
 626       cxch68)
 627         # Green Hills C++ Compiler
 628         # ac_cv_prog_cc_static="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
 629         ;;
 630       esac
 631       ;;
 632     dgux*)
 633       case "$cc_basename" in
 634         ec++)
 635           ac_cv_prog_cc_pic='-KPIC'
 636           ;;
 637         ghcx)
 638           # Green Hills C++ Compiler
 639           ac_cv_prog_cc_pic='-pic'
 640           ;;
 641         *)
 642           ;;
 643       esac
 644       ;;
 645     freebsd*)
 646       # FreeBSD uses GNU C++
 647       ;;
 648     hpux9* | hpux10* | hpux11*)
 649       case "$cc_basename" in
 650         CC)
 651           ac_cv_prog_cc_wl='-Wl,'
 652           ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
 653           ac_cv_prog_cc_pic='+Z'
 654           ;;
 655         aCC)
 656           ac_cv_prog_cc_wl='-Wl,'
 657           ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
 658           ac_cv_prog_cc_pic='+Z'
 659           ;;
 660         *)
 661           ;;
 662       esac
 663       ;;
 664     irix5* | irix6*)
 665       case "$cc_basename" in
 666         CC)
 667           ac_cv_prog_cc_wl='-Wl,'
 668           ac_cv_prog_cc_static='-non_shared'
 669           ac_cv_prog_cc_pic='-KPIC'
 670           ;;
 671         *)
 672           ;;
 673       esac
 674       ;;
 675     linux*)
 676       case "$cc_basename" in
 677         KCC)
 678           # KAI C++ Compiler
 679           ac_cv_prog_cc_wl='--backend -Wl,'
 680           ac_cv_prog_cc_pic='-fPIC'
 681           ;;
 682         cxx)
 683           # Compaq C++
 684           # Make sure the PIC flag is empty.  It appears that all Alpha
 685           # Linux and Compaq Tru64 Unix objects are PIC.
 686           ac_cv_prog_cc_pic=
 687           ac_cv_prog_cc_static='-non_shared'
 688           ;;
 689         *)
 690           ;;
 691       esac
 692       ;;
 693     lynxos*)
 694       ;;
 695     m88k*)
 696       ;;
 697     mvs*)
 698       case "$cc_basename" in
 699         cxx)
 700           ac_cv_prog_cc_pic='-W c,exportall'
 701           ;;
 702         *)
 703           ;;
 704       esac
 705       ;;
 706     netbsd*)
 707       ;;
 708     osf3* | osf4* | osf5*)
 709       case "$cc_basename" in
 710         KCC)
 711           ac_cv_prog_cc_wl='--backend -Wl,'
 712           ;;
 713         RCC)
 714           # Rational C++ 2.4.1
 715           ac_cv_prog_cc_pic='-pic'
 716           ;;
 717         cxx)
 718           # Digital/Compaq C++
 719           ac_cv_prog_cc_wl='-Wl,'
 720           # Make sure the PIC flag is empty.  It appears that all Alpha
 721           # Linux and Compaq Tru64 Unix objects are PIC.
 722           ac_cv_prog_cc_pic=
 723           ac_cv_prog_cc_static='-non_shared'
 724           ;;
 725         *)
 726           ;;
 727       esac
 728       ;;
 729     psos*)
 730       ;;
 731     sco*)
 732       case "$cc_basename" in
 733         CC)
 734           ac_cv_prog_cc_pic='-fPIC'
 735           ;;
 736         *)
 737           ;;
 738       esac
 739       ;;
 740     solaris*)
 741       case "$cc_basename" in
 742         CC)
 743           # Sun C++ 4.2, 5.x and Centerline C++
 744           ac_cv_prog_cc_pic='-KPIC'
 745           ac_cv_prog_cc_static='-Bstatic'
 746           ac_cv_prog_cc_wl='-Qoption ld '
 747           ;;
 748         gcx)
 749           # Green Hills C++ Compiler
 750           ac_cv_prog_cc_pic='-PIC'
 751           ;;
 752         *)
 753           ;;
 754       esac
 755       ;;
 756     sunos4*)
 757       case "$cc_basename" in
 758         CC)
 759           # Sun C++ 4.x
 760           ac_cv_prog_cc_pic='-pic'
 761           ac_cv_prog_cc_static='-Bstatic'
 762           ;;
 763         lcc)
 764           # Lucid
 765           ac_cv_prog_cc_pic='-pic'
 766           ;;
 767         *)
 768           ;;
 769       esac
 770       ;;
 771     tandem*)
 772       case "$cc_basename" in
 773         NCC)
 774           # NonStop-UX NCC 3.20
 775           ac_cv_prog_cc_pic='-KPIC'
 776           ;;
 777         *)
 778           ;;
 779       esac
 780       ;;
 781     unixware*)
 782       ;;
 783     vxworks*)
 784       ;;
 785     *)
 786       ac_cv_prog_cc_can_build_shared=no
 787       ;;
 788   esac
 789 fi
 790 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
 791
 792
 793 # Figure out "hidden" C++ library dependencies from verbose
 794 # compiler output whening linking a shared library.
 795 cat > conftest.$ac_ext <<EOF
 796 class Foo
 797 {
 798 public:
 799   Foo (void) { a = 0; }
 800 private:
 801   int a;
 802 };
 803 EOF
 804
 805
 806 if (eval $ac_compile) 2>&5; then
 807   # Parse the compiler output and extract the necessary
 808   # objects, libraries and library flags.
 809
 810   # Sentinel used to keep track of whether or not we are before
 811   # the conftest object file.
 812   pre_test_object_deps_done=no
 813
 814   for p in `eval $output_verbose_link_cmds`; do
 815
 816     case $p in
 817
 818     -L* | -R* | -l*)
 819        # Some compilers place space between "-{L,R}" and the path.
 820        # Remove the space.
 821        if test $p = "-L" \
 822           || test $p = "-R"; then
 823          prev=$p
 824          continue
 825        else
 826          prev=
 827        fi
 828
 829        if test "$pre_test_object_deps_done" = no; then
 830          case $p in
 831          -L* | -R*)
 832            # Internal compiler library paths should come after those
 833            # provided the user.  The postdeps already come after the
 834            # user supplied libs so there is no need to process them.
 835            if test -z "$compiler_lib_search_path"; then
 836              compiler_lib_search_path="${prev}${p}"
 837            else
 838              compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
 839            fi
 840            ;;
 841          # The "-l" case would never come before the object being
 842          # linked, so don't bother handling this case.
 843          esac
 844        else
 845          if test -z "$postdeps"; then
 846            postdeps="${prev}${p}"
 847          else
 848            postdeps="${postdeps} ${prev}${p}"
 849          fi
 850        fi
 851        ;;
 852
 853     *.$objext)
 854        # This assumes that the test object file only shows up
 855        # once in the compiler output.
 856        if test "$p" = "conftest.$objext"; then
 857          pre_test_object_deps_done=yes
 858          continue
 859        fi
 860
 861        if test "$pre_test_object_deps_done" = no; then
 862          if test -z "$predep_objects"; then
 863            predep_objects="$p"
 864          else
 865            predep_objects="$predep_objects $p"
 866          fi
 867        else
 868          if test -z "$postdep_objects"; then
 869            postdep_objects="$p"
 870          else
 871            postdep_objects="$postdep_objects $p"
 872          fi
 873        fi
 874        ;;
 875
 876     *) ;; # Ignore the rest.
 877
 878     esac
 879   done
 880
 881   # Clean up.
 882   rm -f a.out
 883 else
 884   echo "ltcf-cxx.sh: error: problem compiling test program"
 885 fi
 886
 887 $rm -f confest.$objext
 888
 889 case " $postdeps " in
 890 *" -lc "*) need_lc=no ;;
 891 *) need_lc=yes ;;
 892 esac