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 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   aix4*)
 138     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'
 139     # -bexpall does not export symbols beginning with underscore (_)
 140     always_export_symbols=yes
 141     # Exported symbols can be pulled into shared objects from archives
 142     whole_archive_flag_spec=' '
 143     build_libtool_need_lc=yes
 144     ;;
 145   chorus*)
 146     case "$cc_basename" in
 147       *)
 148         # FIXME: insert proper C++ library support
 149         ld_shlibs=no
 150         ;;
 151     esac
 152     ;;
 153   dgux*)
 154     case "$cc_basename" in
 155       ec++)
 156         # FIXME: insert proper C++ library support
 157         ld_shlibs=no
 158         ;;
 159       ghcx)
 160         # Green Hills C++ Compiler
 161         # FIXME: insert proper C++ library support
 162         ld_shlibs=no
 163         ;;
 164       *)
 165         # FIXME: insert proper C++ library support
 166         ld_shlibs=no
 167         ;;
 168     esac
 169     ;;
 170   freebsd[12]*)
 171     # C++ shared libraries reported to be fairly broken before switch to ELF
 172     ld_shlibs=no
 173     ;;
 174   freebsd*)
 175     # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
 176     # conventions
 177     ld_shlibs=yes
 178     ;;
 179   hpux*)
 180     case "$cc_basename" in
 181       CC)
 182         # FIXME: insert proper C++ library support
 183         ld_shlibs=no
 184         ;;
 185       aCC)
 186         case "$host_os" in
 187         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 $lib' ;;
 188         *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
 189         esac
 190         hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 191         hardcode_libdir_separator=:
 192         hardcode_direct=yes
 193         hardcode_minus_L=yes # Not in the search PATH, but as the default
 194                              # location of the library.
 195         export_dynamic_flag_spec='${wl}-E'
 196
 197         # Commands to make compiler produce verbose output that lists
 198         # what "hidden" libraries, object files and flags are used when
 199         # linking a shared library.
 200         #
 201         # There doesn't appear to be a way to prevent this compiler from
 202         # explicitly linking system object files so we need to strip them
 203         # from the output so that they don't get included in the library
 204         # dependencies.
 205         output_verbose_link_cmds='templist=`($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 $list'
 206         ;;
 207       *)
 208         # FIXME: insert proper C++ library support
 209         ld_shlibs=no
 210         ;;
 211     esac
 212     ;;
 213   irix5* | irix6*)
 214     case "$cc_basename" in
 215       CC)
 216         # SGI C++
 217         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 $lib'
 218
 219         # Archives containing C++ object files must be created using
 220         # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
 221         # necessary to make sure instantiated templates are included
 222         # in the archive.
 223         old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
 224         ;;
 225       *)
 226         if test "$with_gcc" = yes; then
 227           if test "$with_gnu_ld" = no; then
 228             archive_cmds='$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 $lib'
 229           else
 230             archive_cmds='$LD -shared $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
 231           fi
 232         fi
 233         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 234         hardcode_libdir_separator=:
 235         link_all_deplibs=yes
 236         ;;
 237     esac
 238     ;;
 239   linux*)
 240     case "$cc_basename" in
 241       KCC)
 242         # Kuck and Associates, Inc. (KAI) C++ Compiler
 243
 244         # KCC will only create a shared library if the output file
 245         # ends with ".so" (or ".sl" for HP-UX), so rename the library
 246         # to its proper name (with version) after linking.
 247         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'
 248         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 $lib'
 249
 250         # Commands to make compiler produce verbose output that lists
 251         # what "hidden" libraries, object files and flags are used when
 252         # linking a shared library.
 253         #
 254         # There doesn't appear to be a way to prevent this compiler from
 255         # explicitly linking system object files so we need to strip them
 256         # from the output so that they don't get included in the library
 257         # dependencies.
 258         output_verbose_link_cmds='templist=`$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 $list'
 259
 260         hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
 261         export_dynamic_flag_spec='${wl}--export-dynamic'
 262
 263         # Archives containing C++ object files must be created using
 264         # "CC -Bstatic", where "CC" is the KAI C++ compiler.
 265         old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
 266         ;;
 267       cxx)
 268         # Compaq C++
 269         archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
 270         archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
 271
 272         runpath_var=LD_RUN_PATH
 273         hardcode_libdir_flag_spec='-rpath $libdir'
 274         hardcode_libdir_separator=:
 275
 276         # Commands to make compiler produce verbose output that lists
 277         # what "hidden" libraries, object files and flags are used when
 278         # linking a shared library.
 279         #
 280         # There doesn't appear to be a way to prevent this compiler from
 281         # explicitly linking system object files so we need to strip them
 282         # from the output so that they don't get included in the library
 283         # dependencies.
 284         output_verbose_link_cmds='templist=`$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 $list'
 285         ;;
 286     esac
 287     ;;
 288   lynxos*)
 289     # FIXME: insert proper C++ library support
 290     ld_shlibs=no
 291     ;;
 292   m88k*)
 293     # FIXME: insert proper C++ library support
 294     ld_shlibs=no
 295     ;;
 296   mvs*)
 297     case "$cc_basename" in
 298       cxx)
 299         # FIXME: insert proper C++ library support
 300         ld_shlibs=no
 301         ;;
 302       *)
 303         # FIXME: insert proper C++ library support
 304         ld_shlibs=no
 305         ;;
 306     esac
 307     ;;
 308   netbsd*)
 309     # NetBSD uses g++ - do we need to do anything?
 310     ;;
 311   osf3*)
 312     if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
 313       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 314       archive_cmds='$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 $lib'
 315
 316       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 317       hardcode_libdir_separator=:
 318
 319       # Commands to make compiler produce verbose output that lists
 320       # what "hidden" libraries, object files and flags are used when
 321       # linking a shared library.
 322       output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
 323     fi
 324
 325     case "$cc_basename" in
 326       KCC)
 327         # Kuck and Associates, Inc. (KAI) C++ Compiler
 328
 329         # KCC will only create a shared library if the output file
 330         # ends with ".so" (or ".sl" for HP-UX), so rename the library
 331         # to its proper name (with version) after linking.
 332         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 $lib'
 333
 334         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
 335         hardcode_libdir_separator=:
 336
 337         # Archives containing C++ object files must be created using
 338         # "CC -Bstatic", where "CC" is the KAI C++ compiler.
 339         old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
 340
 341         ;;
 342       RCC)
 343         # Rational C++ 2.4.1
 344         # FIXME: insert proper C++ library support
 345         ld_shlibs=no
 346         ;;
 347       cxx)
 348         allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 349         archive_cmds='$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 $lib'
 350
 351         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 352         hardcode_libdir_separator=:
 353
 354         # Commands to make compiler produce verbose output that lists
 355         # what "hidden" libraries, object files and flags are used when
 356         # linking a shared library.
 357         #
 358         # There doesn't appear to be a way to prevent this compiler from
 359         # explicitly linking system object files so we need to strip them
 360         # from the output so that they don't get included in the library
 361         # dependencies.
 362         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 $list'
 363         ;;
 364       *)
 365         # FIXME: insert proper C++ library support
 366         ld_shlibs=no
 367         ;;
 368     esac
 369     ;;
 370   osf4* | osf5*)
 371     if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
 372       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 373       archive_cmds='$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 $lib'
 374
 375       hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 376       hardcode_libdir_separator=:
 377
 378       # Commands to make compiler produce verbose output that lists
 379       # what "hidden" libraries, object files and flags are used when
 380       # linking a shared library.
 381       output_verbose_link_cmds='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
 382     fi
 383
 384     case "$cc_basename" in
 385       KCC)
 386         # Kuck and Associates, Inc. (KAI) C++ Compiler
 387
 388         # KCC will only create a shared library if the output file
 389         # ends with ".so" (or ".sl" for HP-UX), so rename the library
 390         # to its proper name (with version) after linking.
 391         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 $lib'
 392
 393         hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
 394         hardcode_libdir_separator=:
 395
 396         # Archives containing C++ object files must be created using
 397         # the KAI C++ compiler.
 398         old_archive_cmds='$CC -o $oldlib $oldobjs'
 399         ;;
 400       RCC)
 401         # Rational C++ 2.4.1
 402         # FIXME: insert proper C++ library support
 403         ld_shlibs=no
 404         ;;
 405       cxx)
 406         allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 407         archive_cmds='$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 $lib'
 408
 409         hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 410         hardcode_libdir_separator=:
 411
 412         # Commands to make compiler produce verbose output that lists
 413         # what "hidden" libraries, object files and flags are used when
 414         # linking a shared library.
 415         #
 416         # There doesn't appear to be a way to prevent this compiler from
 417         # explicitly linking system object files so we need to strip them
 418         # from the output so that they don't get included in the library
 419         # dependencies.
 420         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 $list'
 421         ;;
 422       *)
 423         # FIXME: insert proper C++ library support
 424         ld_shlibs=no
 425         ;;
 426     esac
 427     ;;
 428   psos*)
 429     # FIXME: insert proper C++ library support
 430     ld_shlibs=no
 431     ;;
 432   sco*)
 433     case "$cc_basename" in
 434       CC)
 435         # FIXME: insert proper C++ library support
 436         ld_shlibs=no
 437         ;;
 438       *)
 439         # FIXME: insert proper C++ library support
 440         ld_shlibs=no
 441         ;;
 442     esac
 443     ;;
 444   sunos4*)
 445     case "$cc_basename" in
 446       CC)
 447         # Sun C++ 4.x
 448         # FIXME: insert proper C++ library support
 449         ld_shlibs=no
 450         ;;
 451       lcc)
 452         # Lucid
 453         # FIXME: insert proper C++ library support
 454         ld_shlibs=no
 455         ;;
 456       *)
 457         # FIXME: insert proper C++ library support
 458         ld_shlibs=no
 459         ;;
 460     esac
 461     ;;
 462   solaris*)
 463     case "$cc_basename" in
 464       CC)
 465         # Sun C++ 4.2, 5.x and Centerline C++
 466         no_undefined_flag=' -ztext'
 467         archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
 468         archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 469         $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
 470
 471         hardcode_libdir_flag_spec='-R$libdir'
 472         hardcode_shlibpath_var=no
 473         case "$host_os" in
 474           solaris2.[0-5] | solaris2.[0-5].*) ;;
 475           *)
 476             # The C++ compiler is used as linker so we must use $wl
 477             # flag to pass the commands to the underlying system
 478             # linker.
 479             # Supported since Solaris 2.6 (maybe 2.5.1?)
 480             whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
 481             ;;
 482         esac
 483         link_all_deplibs=yes
 484
 485         # Commands to make compiler produce verbose output that lists
 486         # what "hidden" libraries, object files and flags are used when
 487         # linking a shared library.
 488         #
 489         # There doesn't appear to be a way to prevent this compiler from
 490         # explicitly linking system object files so we need to strip them
 491         # from the output so that they don't get included in the library
 492         # dependencies.
 493         output_verbose_link_cmds='templist=`$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 $list'
 494
 495         # Archives containing C++ object files must be created using
 496         # "CC -xar", where "CC" is the Sun C++ compiler.  This is
 497         # necessary to make sure instantiated templates are included
 498         # in the archive.
 499         old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
 500         ;;
 501       gcx)
 502         # Green Hills C++ Compiler
 503         archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
 504
 505         # The C++ compiler must be used to create the archive.
 506         old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
 507         ;;
 508       *)
 509         # GNU C++ compiler with Solaris linker
 510         if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
 511           if $CC --version | egrep -v '^2\.7' > /dev/null; then
 512             archive_cmds='$LD -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
 513             archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 514                 $LD -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
 515
 516             # Commands to make compiler produce verbose output that lists
 517             # what "hidden" libraries, object files and flags are used when
 518             # linking a shared library.
 519             output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
 520           else
 521             # g++ 2.7 appears to require `-G' NOT `-shared' on this
 522             # platform.
 523             archive_cmds='$LD -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
 524             archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 525                 $LD -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
 526
 527             # Commands to make compiler produce verbose output that lists
 528             # what "hidden" libraries, object files and flags are used when
 529             # linking a shared library.
 530             output_verbose_link_cmds="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
 531           fi
 532
 533           hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
 534         fi
 535         ;;
 536     esac
 537     ;;
 538   tandem*)
 539     case "$cc_basename" in
 540       NCC)
 541         # NonStop-UX NCC 3.20
 542         # FIXME: insert proper C++ library support
 543         ld_shlibs=no
 544         ;;
 545       *)
 546         # FIXME: insert proper C++ library support
 547         ld_shlibs=no
 548         ;;
 549     esac
 550     ;;
 551   unixware*)
 552     # FIXME: insert proper C++ library support
 553     ld_shlibs=no
 554     ;;
 555   vxworks*)
 556     # FIXME: insert proper C++ library support
 557     ld_shlibs=no
 558     ;;
 559   *)
 560     # FIXME: insert proper C++ library support
 561     ld_shlibs=no
 562     ;;
 563 esac
 564
 565
 566 ## Compiler Characteristics: PIC flags, static flags, etc
 567
 568 # We don't use cached values here since only the C compiler
 569 # characteristics should be cached.
 570 ac_cv_prog_cc_pic=
 571 ac_cv_prog_cc_shlib=
 572 ac_cv_prog_cc_wl=
 573 ac_cv_prog_cc_static=
 574 ac_cv_prog_cc_no_builtin=
 575 ac_cv_prog_cc_can_build_shared=$can_build_shared
 576
 577 # It is not enough to reset these cached values, they must be unset.
 578 unset ac_cv_prog_cc_pic_works
 579 unset ac_cv_prog_cc_static_works
 580
 581 if test "$with_gcc" = yes; then
 582   ac_cv_prog_cc_wl='-Wl,'
 583   ac_cv_prog_cc_static='-static'
 584
 585   case "$host_os" in
 586   beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
 587     # PIC is the default for these OSes.
 588     ;;
 589   aix*)
 590     # Below there is a dirty hack to force normal static linking with -ldl
 591     # The problem is because libdl dynamically linked with both libc and
 592     # libC (AIX C++ library), which obviously doesn't included in libraries
 593     # list by gcc. This cause undefined symbols with -static flags.
 594     # This hack allows C programs to be linked with "-static -ldl", but
 595     # we not sure about C++ programs.
 596     ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
 597     ;;
 598   *djgpp*)
 599     # DJGPP does not support shared libraries at all
 600     ac_cv_prog_cc_pic=
 601     ;;
 602   cygwin* | mingw* | os2*)
 603     # This hack is so that the source file can tell whether it is being
 604     # built for inclusion in a dll (and should export symbols for example).
 605     ac_cv_prog_cc_pic='-DDLL_EXPORT'
 606     ;;
 607   amigaos*)
 608     # FIXME: we need at least 68020 code to build shared libraries, but
 609     # adding the `-m68020' flag to GCC prevents building anything better,
 610     # like `-m68040'.
 611     ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
 612     ;;
 613   sysv4*MP*)
 614     if test -d /usr/nec; then
 615       ac_cv_prog_cc_pic=-Kconform_pic
 616     fi
 617     ;;
 618   *)
 619     ac_cv_prog_cc_pic='-fPIC'
 620     ;;
 621   esac
 622 else
 623   case "$host_os" in
 624     aix4*)
 625       # All AIX code is PIC.
 626       ;;
 627     chorus*)
 628       case "$cc_basename" in
 629       cxch68)
 630         # Green Hills C++ Compiler
 631         # 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 $MVME_DIR/lib/classix/libcx.s.a"
 632         ;;
 633       esac
 634       ;;
 635     dgux*)
 636       case "$cc_basename" in
 637         ec++)
 638           ac_cv_prog_cc_pic='-KPIC'
 639           ;;
 640         ghcx)
 641           # Green Hills C++ Compiler
 642           ac_cv_prog_cc_pic='-pic'
 643           ;;
 644         *)
 645           ;;
 646       esac
 647       ;;
 648     freebsd*)
 649       # FreeBSD uses GNU C++
 650       ;;
 651     hpux9* | hpux10* | hpux11*)
 652       case "$cc_basename" in
 653         CC)
 654           ac_cv_prog_cc_wl='-Wl,'
 655           ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
 656           ac_cv_prog_cc_pic='+Z'
 657           ;;
 658         aCC)
 659           ac_cv_prog_cc_wl='-Wl,'
 660           ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
 661           ac_cv_prog_cc_pic='+Z'
 662           ;;
 663         *)
 664           ;;
 665       esac
 666       ;;
 667     irix5* | irix6*)
 668       case "$cc_basename" in
 669         CC)
 670           ac_cv_prog_cc_wl='-Wl,'
 671           ac_cv_prog_cc_static='-non_shared'
 672           ac_cv_prog_cc_pic='-KPIC'
 673           ;;
 674         *)
 675           ;;
 676       esac
 677       ;;
 678     linux*)
 679       case "$cc_basename" in
 680         KCC)
 681           # KAI C++ Compiler
 682           ac_cv_prog_cc_wl='--backend -Wl,'
 683           ac_cv_prog_cc_pic='-fPIC'
 684           ;;
 685         cxx)
 686           # Compaq C++
 687           # Make sure the PIC flag is empty.  It appears that all Alpha
 688           # Linux and Compaq Tru64 Unix objects are PIC.
 689           ac_cv_prog_cc_pic=
 690           ac_cv_prog_cc_static='-non_shared'
 691           ;;
 692         *)
 693           ;;
 694       esac
 695       ;;
 696     lynxos*)
 697       ;;
 698     m88k*)
 699       ;;
 700     mvs*)
 701       case "$cc_basename" in
 702         cxx)
 703           ac_cv_prog_cc_pic='-W c,exportall'
 704           ;;
 705         *)
 706           ;;
 707       esac
 708       ;;
 709     netbsd*)
 710       ;;
 711     osf3* | osf4* | osf5*)
 712       case "$cc_basename" in
 713         KCC)
 714           ac_cv_prog_cc_wl='--backend -Wl,'
 715           ;;
 716         RCC)
 717           # Rational C++ 2.4.1
 718           ac_cv_prog_cc_pic='-pic'
 719           ;;
 720         cxx)
 721           # Digital/Compaq C++
 722           ac_cv_prog_cc_wl='-Wl,'
 723           # Make sure the PIC flag is empty.  It appears that all Alpha
 724           # Linux and Compaq Tru64 Unix objects are PIC.
 725           ac_cv_prog_cc_pic=
 726           ac_cv_prog_cc_static='-non_shared'
 727           ;;
 728         *)
 729           ;;
 730       esac
 731       ;;
 732     psos*)
 733       ;;
 734     sco*)
 735       case "$cc_basename" in
 736         CC)
 737           ac_cv_prog_cc_pic='-fPIC'
 738           ;;
 739         *)
 740           ;;
 741       esac
 742       ;;
 743     solaris*)
 744       case "$cc_basename" in
 745         CC)
 746           # Sun C++ 4.2, 5.x and Centerline C++
 747           ac_cv_prog_cc_pic='-KPIC'
 748           ac_cv_prog_cc_static='-Bstatic'
 749           ac_cv_prog_cc_wl='-Qoption ld '
 750           ;;
 751         gcx)
 752           # Green Hills C++ Compiler
 753           ac_cv_prog_cc_pic='-PIC'
 754           ;;
 755         *)
 756           ;;
 757       esac
 758       ;;
 759     sunos4*)
 760       case "$cc_basename" in
 761         CC)
 762           # Sun C++ 4.x
 763           ac_cv_prog_cc_pic='-pic'
 764           ac_cv_prog_cc_static='-Bstatic'
 765           ;;
 766         lcc)
 767           # Lucid
 768           ac_cv_prog_cc_pic='-pic'
 769           ;;
 770         *)
 771           ;;
 772       esac
 773       ;;
 774     tandem*)
 775       case "$cc_basename" in
 776         NCC)
 777           # NonStop-UX NCC 3.20
 778           ac_cv_prog_cc_pic='-KPIC'
 779           ;;
 780         *)
 781           ;;
 782       esac
 783       ;;
 784     unixware*)
 785       ;;
 786     vxworks*)
 787       ;;
 788     *)
 789       ac_cv_prog_cc_can_build_shared=no
 790       ;;
 791   esac
 792 fi
 793
 794 case "$host_os" in
 795     # Platforms which do not suport PIC and -DPIC is meaningless
 796     # on them:
 797     *djgpp*)
 798       ac_cv_prog_cc_pic=
 799       ;;
 800     *)
 801       ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
 802       ;;
 803 esac
 804
 805
 806 # Figure out "hidden" C++ library dependencies from verbose
 807 # compiler output whening linking a shared library.
 808 cat > conftest.$ac_ext <<EOF
 809 class Foo
 810 {
 811 public:
 812   Foo (void) { a = 0; }
 813 private:
 814   int a;
 815 };
 816 EOF
 817
 818
 819 if eval $ac_compile 2>&5; then
 820   # Parse the compiler output and extract the necessary
 821   # objects, libraries and library flags.
 822
 823   # Sentinel used to keep track of whether or not we are before
 824   # the conftest object file.
 825   pre_test_object_deps_done=no
 826
 827   for p in `eval $output_verbose_link_cmds`; do
 828
 829     case $p in
 830
 831     -L* | -R* | -l*)
 832        # Some compilers place space between "-{L,R}" and the path.
 833        # Remove the space.
 834        if test $p = "-L" \
 835           || test $p = "-R"; then
 836          prev=$p
 837          continue
 838        else
 839          prev=
 840        fi
 841
 842        if test "$pre_test_object_deps_done" = no; then
 843          case $p in
 844          -L* | -R*)
 845            # Internal compiler library paths should come after those
 846            # provided the user.  The postdeps already come after the
 847            # user supplied libs so there is no need to process them.
 848            if test -z "$compiler_lib_search_path"; then
 849              compiler_lib_search_path="${prev}${p}"
 850            else
 851              compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
 852            fi
 853            ;;
 854          # The "-l" case would never come before the object being
 855          # linked, so don't bother handling this case.
 856          esac
 857        else
 858          if test -z "$postdeps"; then
 859            postdeps="${prev}${p}"
 860          else
 861            postdeps="${postdeps} ${prev}${p}"
 862          fi
 863        fi
 864        ;;
 865
 866     *.$objext)
 867        # This assumes that the test object file only shows up
 868        # once in the compiler output.
 869        if test "$p" = "conftest.$objext"; then
 870          pre_test_object_deps_done=yes
 871          continue
 872        fi
 873
 874        if test "$pre_test_object_deps_done" = no; then
 875          if test -z "$predep_objects"; then
 876            predep_objects="$p"
 877          else
 878            predep_objects="$predep_objects $p"
 879          fi
 880        else
 881          if test -z "$postdep_objects"; then
 882            postdep_objects="$p"
 883          else
 884            postdep_objects="$postdep_objects $p"
 885          fi
 886        fi
 887        ;;
 888
 889     *) ;; # Ignore the rest.
 890
 891     esac
 892   done
 893
 894   # Clean up.
 895   rm -f a.out
 896 else
 897   echo "ltcf-cxx.sh: error: problem compiling test program"
 898 fi
 899
 900 $rm -f confest.$objext
 901
 902 case " $postdeps " in
 903 *" -lc "*) need_lc=no ;;
 904 *) need_lc=yes ;;
 905 esac