1 | #### This script is meant to be sourced by ltconfig.
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2 |
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3 | # ltcf-cxx.sh - Create a C++ compiler specific configuration
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4 | #
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5 | # Copyright (C) 1996-1999, 2000, 2001, 2003 Free Software Foundation, Inc.
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6 | # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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7 | #
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8 | # Original C++ support by:Gary V. Vaughan <gvv@techie.com>
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9 | # Alexandre Oliva <oliva@lsd.ic.unicamp.br>
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10 | # Ossama Othman <ossama@debian.org>
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11 | # Thomas Thanner <tanner@gmx.de>
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12 | #
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13 | # This file is free software; you can redistribute it and/or modify it
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14 | # under the terms of the GNU General Public License as published by
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15 | # the Free Software Foundation; either version 2 of the License, or
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16 | # (at your option) any later version.
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17 | #
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18 | # This program is distributed in the hope that it will be useful, but
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19 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 | # General Public License for more details.
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22 | #
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23 | # You should have received a copy of the GNU General Public License
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24 | # along with this program; if not, write to the Free Software
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25 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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26 | #
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27 | # As a special exception to the GNU General Public License, if you
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28 | # distribute this file as part of a program that contains a
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29 | # configuration script generated by Autoconf, you may include it under
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30 | # the same distribution terms that you use for the rest of that program.
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31 |
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32 |
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33 | # Source file extension for C++ test sources.
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34 | ac_ext=cc
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35 |
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36 | # Object file extension for compiled C++ test sources.
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37 | objext=o
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38 |
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39 | # Code to be used in simple compile tests
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40 | lt_simple_compile_test_code="int some_variable = 0;"
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41 |
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42 | # Code to be used in simple link tests
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43 | lt_simple_link_test_code='int main(int, char *[]) { return (0); }'
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44 |
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45 | # C++ compiler
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46 | CXX=${CXX-c++}
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47 |
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48 | # ltmain only uses $CC for tagged configurations so make sure $CC is set.
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49 | CC=${CC-"$CXX"}
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50 | CFLAGS=${CFLAGS-"$CXXFLAGS"}
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51 |
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52 | # Allow CC to be a program name with arguments.
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53 | set dummy $CC
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54 | compiler=$2
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55 | cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
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56 |
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57 | # Check if we are using GNU gcc (taken/adapted from configure script)
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58 | # We need to check here since "--with-gcc" is set at configure time,
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59 | # not ltconfig time!
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60 | cat > conftest.$ac_ext <<EOF
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61 | #ifdef __GNUC__
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62 | yes;
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63 | #endif
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64 | EOF
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65 | if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
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66 | with_gcc=yes
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67 |
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68 | # Set up default GNU C++ configuration
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69 |
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70 | # Check if GNU C++ uses GNU ld as the underlying linker, since the
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71 | # archiving commands below assume that GNU ld is being used. The
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72 | # assumption here is that the linker is going to be the same as that
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73 | # used by the C compiler. For the purposes of GCC, this is ok, but
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74 | # if someone uses g++ along with a non-GNU C compiler that doesn't
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75 | # use GNU ld, we may lose. This is ok for the toolchain tree, since
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76 | # the only users of ltcf-cxx.sh are libstdc++-v3 and libjava,
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77 | # anyway, and those use both gcc and g++, so the settings are bound
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78 | # to be the same.
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79 |
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80 | if test "$with_gnu_ld" = yes; then
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81 | archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
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82 | archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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83 |
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84 | hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
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85 | export_dynamic_flag_spec='${wl}--export-dynamic'
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86 |
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87 | # If archive_cmds runs LD, not CC, wlarc should be empty
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88 | # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
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89 | # investigate it a little bit more. (MM)
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90 | wlarc='${wl}'
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91 |
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92 | # ancient GNU ld didn't support --whole-archive et. al.
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93 | if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
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94 | egrep 'no-whole-archive' > /dev/null; then
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95 | whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
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96 | else
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97 | whole_archive_flag_spec=
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98 | fi
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99 | else
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100 | wlarc=
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101 |
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102 | # A generic and very simple default shared library creation
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103 | # command for GNU C++ for the case where it uses the native
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104 | # linker, instead of GNU ld. If possible, this setting should
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105 | # overridden to take advantage of the native linker features on
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106 | # the platform it is being used on.
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107 | archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
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108 | fi
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109 |
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110 | # Commands to make compiler produce verbose output that lists
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111 | # what "hidden" libraries, object files and flags are used when
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112 | # linking a shared library.
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113 | output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
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114 |
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115 | else
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116 | with_gcc=no
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117 | wlarc=
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118 | fi
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119 |
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120 | # PORTME: fill in a description of your system's C++ link characteristics
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121 | case $host_os in
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122 | aix3*)
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123 | # FIXME: insert proper C++ library support
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124 | ld_shlibs=no
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125 | ;;
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126 | aix4* | aix5*)
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127 | archive_cmds=''
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128 | hardcode_direct=yes
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129 | hardcode_libdir_separator=':'
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130 | link_all_deplibs=yes
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131 | # When large executables or shared objects are built, AIX ld can
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132 | # have problems creating the table of contents. If linking a library
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133 | # or program results in "error TOC overflow" add -mminimal-toc to
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134 | # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
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135 | # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
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136 | if test "$with_gcc" = yes; then
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137 | case $host_os in aix4.[012]|aix4.[012].*)
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138 | # We only want to do this on AIX 4.2 and lower, the check
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139 | # below for broken collect2 doesn't work under 4.3+
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140 | collect2name=`${CC} -print-prog-name=collect2`
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141 | if test -f "$collect2name" && \
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142 | strings "$collect2name" | grep resolve_lib_name >/dev/null
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143 | then
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144 | # We have reworked collect2
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145 | hardcode_direct=yes
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146 | else
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147 | # We have old collect2
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148 | hardcode_direct=unsupported
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149 | # It fails to find uninstalled libraries when the uninstalled
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150 | # path is not listed in the libpath. Setting hardcode_minus_L
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151 | # to unsupported forces relinking
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152 | hardcode_minus_L=yes
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153 | hardcode_libdir_flag_spec='-L$libdir'
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154 | hardcode_libdir_separator=
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155 | fi
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156 | esac
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157 | shared_flag='-shared'
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158 | else
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159 | # not using gcc
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160 | if test "$host_cpu" = ia64; then
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161 | shared_flag='${wl}-G'
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162 | else
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163 | shared_flag='${wl}-bM:SRE'
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164 | fi
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165 | fi
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166 |
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167 | if test "$host_cpu" = ia64; then
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168 | # On IA64, the linker does run time linking by default, so we don't
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169 | # have to do anything special.
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170 | aix_use_runtimelinking=no
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171 | if test $with_gnu_ld = no; then
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172 | exp_sym_flag='-Bexport'
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173 | no_entry_flag=""
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174 | fi
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175 | else
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176 | # Test if we are trying to use run time linking, or normal AIX style linking.
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177 | # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
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178 | aix_use_runtimelinking=no
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179 | for ld_flag in $LDFLAGS; do
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180 | if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
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181 | aix_use_runtimelinking=yes
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182 | break
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183 | fi
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184 | done
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185 | exp_sym_flag='-bexport'
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186 | no_entry_flag='-bnoentry'
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187 | fi
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188 | # It seems that -bexpall does not export symbols beginning with
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189 | # underscore (_), so it is better to generate a list of symbols to export.
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190 | always_export_symbols=yes
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191 | if test "$aix_use_runtimelinking" = yes; then
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192 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
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193 | allow_undefined_flag=' -Wl,-G'
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194 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols"
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195 | else
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196 | if test "$host_cpu" = ia64; then
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197 | if test $with_gnu_ld = no; then
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198 | hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
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199 | allow_undefined_flag="-z nodefs"
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200 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
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201 | fi
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202 | else
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203 | hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
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204 | # Warning - without using the other run time loading flags, -berok will
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205 | # link without error, but may produce a broken library.
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206 | no_undefined_flag=' ${wl}-bnoerok'
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207 | allow_undefined_flag=' ${wl}-berok'
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208 | # -bexpall does not export symbols beginning with underscore (_)
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209 | always_export_symbols=yes
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210 | # Exported symbols can be pulled into shared objects from archives
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211 | whole_archive_flag_spec=' '
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212 | build_libtool_need_lc=yes
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213 | # This is similar to how AIX traditionally builds it's shared libraries.
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214 | archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
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215 | fi
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216 | fi
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217 | ;;
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218 | chorus*)
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219 | case $cc_basename in
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220 | *)
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221 | # FIXME: insert proper C++ library support
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222 | ld_shlibs=no
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223 | ;;
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224 | esac
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225 | ;;
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226 | dgux*)
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227 | case $cc_basename in
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228 | ec++)
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229 | # FIXME: insert proper C++ library support
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230 | ld_shlibs=no
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231 | ;;
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232 | ghcx)
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233 | # Green Hills C++ Compiler
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234 | # FIXME: insert proper C++ library support
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235 | ld_shlibs=no
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236 | ;;
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237 | *)
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238 | # FIXME: insert proper C++ library support
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239 | ld_shlibs=no
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240 | ;;
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241 | esac
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242 | ;;
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243 | freebsd[12]*)
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244 | # C++ shared libraries reported to be fairly broken before switch to ELF
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245 | ld_shlibs=no
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246 | ;;
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247 | freebsd*)
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248 | # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
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249 | # conventions
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250 | ld_shlibs=yes
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251 | ;;
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252 | gnu*)
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253 | ;;
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254 | hpux*)
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255 | if test $with_gnu_ld = no; then
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256 | case "$host_cpu" in
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257 | ia64*)
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258 | hardcode_libdir_flag_spec='-L$libdir'
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259 | hardcode_shlibpath_var=no ;;
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260 | *)
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261 | hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' ;;
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262 | esac
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263 | hardcode_direct=yes
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264 | hardcode_libdir_separator=:
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265 | export_dynamic_flag_spec='${wl}-E'
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266 | fi
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267 | hardcode_minus_L=yes # Not in the search PATH, but as the default
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268 | # location of the library.
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269 |
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270 | case $cc_basename in
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271 | CC)
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272 | # FIXME: insert proper C++ library support
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273 | ld_shlibs=no
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274 | ;;
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275 | aCC)
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276 | case $host_os in
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277 | hpux9*) archive_cmds='$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 $lib' ;;
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278 | *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
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279 | esac
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280 | # Commands to make compiler produce verbose output that lists
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281 | # what "hidden" libraries, object files and flags are used when
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282 | # linking a shared library.
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283 | #
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284 | # There doesn't appear to be a way to prevent this compiler from
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285 | # explicitly linking system object files so we need to strip them
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286 | # from the output so that they don't get included in the library
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287 | # dependencies.
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288 | output_verbose_link_cmd='templist=`($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'
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289 | ;;
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290 | *)
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291 | if test $with_gcc = yes; then
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292 | if test $with_gnu_ld = no; then
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293 | case "$host_os" in
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294 | hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${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 $lib' ;;
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295 | *)
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296 | case "$host_cpu" in
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297 | ia64*)
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298 | archive_cmds='$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;;
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299 | *)
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300 | archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;;
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301 | esac
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302 | ;;
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303 | esac
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304 | fi
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305 | else
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306 | # FIXME: insert proper C++ library support
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307 | ld_shlibs=no
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308 | fi
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309 | ;;
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310 | esac
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311 | ;;
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312 | irix5* | irix6*)
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313 | case $cc_basename in
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314 | CC)
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315 | # SGI C++
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316 | archive_cmds='$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 $lib'
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317 |
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318 | # Archives containing C++ object files must be created using
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319 | # "CC -ar", where "CC" is the IRIX C++ compiler. This is
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320 | # necessary to make sure instantiated templates are included
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321 | # in the archive.
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322 | old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs'
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323 | ;;
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324 | *)
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325 | if test "$with_gcc" = yes; then
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326 | if test "$with_gnu_ld" = no; then
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327 | archive_cmds='$CC -shared -nostdlib $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 $lib'
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328 | else
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329 | archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
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330 | fi
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331 | fi
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332 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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333 | hardcode_libdir_separator=:
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334 | link_all_deplibs=yes
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335 | ;;
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336 | esac
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337 | ;;
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338 | linux*)
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339 | case $cc_basename in
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340 | KCC)
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341 | # Kuck and Associates, Inc. (KAI) C++ Compiler
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342 |
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343 | # KCC will only create a shared library if the output file
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344 | # ends with ".so" (or ".sl" for HP-UX), so rename the library
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345 | # to its proper name (with version) after linking.
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346 | 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'
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347 | 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 $lib'
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348 |
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349 | # Commands to make compiler produce verbose output that lists
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350 | # what "hidden" libraries, object files and flags are used when
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351 | # linking a shared library.
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352 | #
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353 | # There doesn't appear to be a way to prevent this compiler from
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354 | # explicitly linking system object files so we need to strip them
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355 | # from the output so that they don't get included in the library
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356 | # dependencies.
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357 | output_verbose_link_cmd='templist=`$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 $list'
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358 |
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359 | hardcode_libdir_flag_spec='${wl}--rpath,$libdir'
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360 | export_dynamic_flag_spec='${wl}--export-dynamic'
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361 |
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362 | # Archives containing C++ object files must be created using
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363 | # "CC -Bstatic", where "CC" is the KAI C++ compiler.
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364 | old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
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365 | ;;
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366 | cxx)
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367 | # Compaq C++
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368 | archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
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369 | archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
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370 |
|
---|
371 | runpath_var=LD_RUN_PATH
|
---|
372 | hardcode_libdir_flag_spec='-rpath $libdir'
|
---|
373 | hardcode_libdir_separator=:
|
---|
374 |
|
---|
375 | # Commands to make compiler produce verbose output that lists
|
---|
376 | # what "hidden" libraries, object files and flags are used when
|
---|
377 | # linking a shared library.
|
---|
378 | #
|
---|
379 | # There doesn't appear to be a way to prevent this compiler from
|
---|
380 | # explicitly linking system object files so we need to strip them
|
---|
381 | # from the output so that they don't get included in the library
|
---|
382 | # dependencies.
|
---|
383 | output_verbose_link_cmd='templist=`$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'
|
---|
384 | ;;
|
---|
385 | esac
|
---|
386 | ;;
|
---|
387 | lynxos*)
|
---|
388 | # FIXME: insert proper C++ library support
|
---|
389 | ld_shlibs=no
|
---|
390 | ;;
|
---|
391 | m88k*)
|
---|
392 | # FIXME: insert proper C++ library support
|
---|
393 | ld_shlibs=no
|
---|
394 | ;;
|
---|
395 | mvs*)
|
---|
396 | case $cc_basename in
|
---|
397 | cxx)
|
---|
398 | # FIXME: insert proper C++ library support
|
---|
399 | ld_shlibs=no
|
---|
400 | ;;
|
---|
401 | *)
|
---|
402 | # FIXME: insert proper C++ library support
|
---|
403 | ld_shlibs=no
|
---|
404 | ;;
|
---|
405 | esac
|
---|
406 | ;;
|
---|
407 | netbsd*)
|
---|
408 | # NetBSD uses g++ - do we need to do anything?
|
---|
409 | ;;
|
---|
410 | osf3*)
|
---|
411 | case $cc_basename in
|
---|
412 | KCC)
|
---|
413 | # Kuck and Associates, Inc. (KAI) C++ Compiler
|
---|
414 |
|
---|
415 | # KCC will only create a shared library if the output file
|
---|
416 | # ends with ".so" (or ".sl" for HP-UX), so rename the library
|
---|
417 | # to its proper name (with version) after linking.
|
---|
418 | 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 $lib'
|
---|
419 |
|
---|
420 | hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
|
---|
421 | hardcode_libdir_separator=:
|
---|
422 |
|
---|
423 | # Archives containing C++ object files must be created using
|
---|
424 | # "CC -Bstatic", where "CC" is the KAI C++ compiler.
|
---|
425 | old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs'
|
---|
426 |
|
---|
427 | ;;
|
---|
428 | RCC)
|
---|
429 | # Rational C++ 2.4.1
|
---|
430 | # FIXME: insert proper C++ library support
|
---|
431 | ld_shlibs=no
|
---|
432 | ;;
|
---|
433 | cxx)
|
---|
434 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
|
---|
435 | archive_cmds='$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 $lib'
|
---|
436 |
|
---|
437 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
|
---|
438 | hardcode_libdir_separator=:
|
---|
439 |
|
---|
440 | # Commands to make compiler produce verbose output that lists
|
---|
441 | # what "hidden" libraries, object files and flags are used when
|
---|
442 | # linking a shared library.
|
---|
443 | #
|
---|
444 | # There doesn't appear to be a way to prevent this compiler from
|
---|
445 | # explicitly linking system object files so we need to strip them
|
---|
446 | # from the output so that they don't get included in the library
|
---|
447 | # dependencies.
|
---|
448 | output_verbose_link_cmd='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 $list'
|
---|
449 | ;;
|
---|
450 | *)
|
---|
451 | if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
|
---|
452 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
|
---|
453 | archive_cmds='$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 $lib'
|
---|
454 |
|
---|
455 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
|
---|
456 | hardcode_libdir_separator=:
|
---|
457 |
|
---|
458 | # Commands to make compiler produce verbose output that lists
|
---|
459 | # what "hidden" libraries, object files and flags are used when
|
---|
460 | # linking a shared library.
|
---|
461 | output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
|
---|
462 | else
|
---|
463 | # FIXME: insert proper C++ library support
|
---|
464 | ld_shlibs=no
|
---|
465 | fi
|
---|
466 | ;;
|
---|
467 | esac
|
---|
468 | ;;
|
---|
469 | osf4* | osf5*)
|
---|
470 | case $cc_basename in
|
---|
471 | KCC)
|
---|
472 | # Kuck and Associates, Inc. (KAI) C++ Compiler
|
---|
473 |
|
---|
474 | # KCC will only create a shared library if the output file
|
---|
475 | # ends with ".so" (or ".sl" for HP-UX), so rename the library
|
---|
476 | # to its proper name (with version) after linking.
|
---|
477 | 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 $lib'
|
---|
478 |
|
---|
479 | hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
|
---|
480 | hardcode_libdir_separator=:
|
---|
481 |
|
---|
482 | # Archives containing C++ object files must be created using
|
---|
483 | # the KAI C++ compiler.
|
---|
484 | old_archive_cmds='$CC -o $oldlib $oldobjs'
|
---|
485 | ;;
|
---|
486 | RCC)
|
---|
487 | # Rational C++ 2.4.1
|
---|
488 | # FIXME: insert proper C++ library support
|
---|
489 | ld_shlibs=no
|
---|
490 | ;;
|
---|
491 | cxx)
|
---|
492 | allow_undefined_flag=' -expect_unresolved \*'
|
---|
493 | archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
|
---|
494 | archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
|
---|
495 | echo "-hidden">> $lib.exp~
|
---|
496 | $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp `test -n "$verstring" && echo -set_version $verstring` -update_registry $objdir/so_locations -o $lib~
|
---|
497 | $rm $lib.exp'
|
---|
498 |
|
---|
499 | hardcode_libdir_flag_spec='-rpath $libdir'
|
---|
500 | hardcode_libdir_separator=:
|
---|
501 |
|
---|
502 | # Commands to make compiler produce verbose output that lists
|
---|
503 | # what "hidden" libraries, object files and flags are used when
|
---|
504 | # linking a shared library.
|
---|
505 | #
|
---|
506 | # There doesn't appear to be a way to prevent this compiler from
|
---|
507 | # explicitly linking system object files so we need to strip them
|
---|
508 | # from the output so that they don't get included in the library
|
---|
509 | # dependencies.
|
---|
510 | output_verbose_link_cmd='templist=`$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 $list'
|
---|
511 | ;;
|
---|
512 | *)
|
---|
513 | if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
|
---|
514 | allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
|
---|
515 | archive_cmds='$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 $lib'
|
---|
516 |
|
---|
517 | hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
|
---|
518 | hardcode_libdir_separator=:
|
---|
519 |
|
---|
520 | # Commands to make compiler produce verbose output that lists
|
---|
521 | # what "hidden" libraries, object files and flags are used when
|
---|
522 | # linking a shared library.
|
---|
523 | output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
|
---|
524 | else
|
---|
525 | # FIXME: insert proper C++ library support
|
---|
526 | ld_shlibs=no
|
---|
527 | fi
|
---|
528 | ;;
|
---|
529 | esac
|
---|
530 | ;;
|
---|
531 | psos*)
|
---|
532 | # FIXME: insert proper C++ library support
|
---|
533 | ld_shlibs=no
|
---|
534 | ;;
|
---|
535 | sco*)
|
---|
536 | case $cc_basename in
|
---|
537 | CC)
|
---|
538 | # FIXME: insert proper C++ library support
|
---|
539 | ld_shlibs=no
|
---|
540 | ;;
|
---|
541 | *)
|
---|
542 | # FIXME: insert proper C++ library support
|
---|
543 | ld_shlibs=no
|
---|
544 | ;;
|
---|
545 | esac
|
---|
546 | ;;
|
---|
547 | sunos4*)
|
---|
548 | case $cc_basename in
|
---|
549 | CC)
|
---|
550 | # Sun C++ 4.x
|
---|
551 | # FIXME: insert proper C++ library support
|
---|
552 | ld_shlibs=no
|
---|
553 | ;;
|
---|
554 | lcc)
|
---|
555 | # Lucid
|
---|
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 | solaris*)
|
---|
566 | case $cc_basename in
|
---|
567 | CC)
|
---|
568 | # Sun C++ 4.2, 5.x and Centerline C++
|
---|
569 | no_undefined_flag=' -zdefs'
|
---|
570 | archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
|
---|
571 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
|
---|
572 | $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
|
---|
573 |
|
---|
574 | hardcode_libdir_flag_spec='-R$libdir'
|
---|
575 | hardcode_shlibpath_var=no
|
---|
576 | case $host_os in
|
---|
577 | solaris2.[0-5] | solaris2.[0-5].*) ;;
|
---|
578 | *)
|
---|
579 | # The C++ compiler is used as linker so we must use $wl
|
---|
580 | # flag to pass the commands to the underlying system
|
---|
581 | # linker.
|
---|
582 | # Supported since Solaris 2.6 (maybe 2.5.1?)
|
---|
583 | whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
|
---|
584 | ;;
|
---|
585 | esac
|
---|
586 | link_all_deplibs=yes
|
---|
587 |
|
---|
588 | # Commands to make compiler produce verbose output that lists
|
---|
589 | # what "hidden" libraries, object files and flags are used when
|
---|
590 | # linking a shared library.
|
---|
591 | #
|
---|
592 | # There doesn't appear to be a way to prevent this compiler from
|
---|
593 | # explicitly linking system object files so we need to strip them
|
---|
594 | # from the output so that they don't get included in the library
|
---|
595 | # dependencies.
|
---|
596 | output_verbose_link_cmd='templist=`$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 $list'
|
---|
597 |
|
---|
598 | # Archives containing C++ object files must be created using
|
---|
599 | # "CC -xar", where "CC" is the Sun C++ compiler. This is
|
---|
600 | # necessary to make sure instantiated templates are included
|
---|
601 | # in the archive.
|
---|
602 | old_archive_cmds='$CC -xar -o $oldlib $oldobjs'
|
---|
603 | ;;
|
---|
604 | gcx)
|
---|
605 | # Green Hills C++ Compiler
|
---|
606 | archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
|
---|
607 |
|
---|
608 | # The C++ compiler must be used to create the archive.
|
---|
609 | old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
|
---|
610 | ;;
|
---|
611 | *)
|
---|
612 | # GNU C++ compiler with Solaris linker
|
---|
613 | if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then
|
---|
614 | no_undefined_flag=' ${wl}-z ${wl}defs'
|
---|
615 | if $CC --version | egrep -v '^2\.7' > /dev/null; then
|
---|
616 | archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
|
---|
617 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
|
---|
618 | $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
|
---|
619 |
|
---|
620 | # Commands to make compiler produce verbose output that lists
|
---|
621 | # what "hidden" libraries, object files and flags are used when
|
---|
622 | # linking a shared library.
|
---|
623 | output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
|
---|
624 | else
|
---|
625 | # g++ 2.7 appears to require `-G' NOT `-shared' on this
|
---|
626 | # platform.
|
---|
627 | archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
|
---|
628 | archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
|
---|
629 | $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
|
---|
630 |
|
---|
631 | # Commands to make compiler produce verbose output that lists
|
---|
632 | # what "hidden" libraries, object files and flags are used when
|
---|
633 | # linking a shared library.
|
---|
634 | output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
|
---|
635 | fi
|
---|
636 |
|
---|
637 | hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
|
---|
638 | fi
|
---|
639 | ;;
|
---|
640 | esac
|
---|
641 | ;;
|
---|
642 | tandem*)
|
---|
643 | case $cc_basename in
|
---|
644 | NCC)
|
---|
645 | # NonStop-UX NCC 3.20
|
---|
646 | # FIXME: insert proper C++ library support
|
---|
647 | ld_shlibs=no
|
---|
648 | ;;
|
---|
649 | *)
|
---|
650 | # FIXME: insert proper C++ library support
|
---|
651 | ld_shlibs=no
|
---|
652 | ;;
|
---|
653 | esac
|
---|
654 | ;;
|
---|
655 | unixware*)
|
---|
656 | # FIXME: insert proper C++ library support
|
---|
657 | ld_shlibs=no
|
---|
658 | ;;
|
---|
659 | vxworks*)
|
---|
660 | # FIXME: insert proper C++ library support
|
---|
661 | ld_shlibs=no
|
---|
662 | ;;
|
---|
663 | *)
|
---|
664 | # FIXME: insert proper C++ library support
|
---|
665 | ld_shlibs=no
|
---|
666 | ;;
|
---|
667 | esac
|
---|
668 |
|
---|
669 |
|
---|
670 | ## Compiler Characteristics: PIC flags, static flags, etc
|
---|
671 |
|
---|
672 | # We don't use cached values here since only the C compiler
|
---|
673 | # characteristics should be cached.
|
---|
674 | ac_cv_prog_cc_pic=
|
---|
675 | ac_cv_prog_cc_shlib=
|
---|
676 | ac_cv_prog_cc_wl=
|
---|
677 | ac_cv_prog_cc_static=
|
---|
678 | ac_cv_prog_cc_no_builtin=
|
---|
679 | ac_cv_prog_cc_can_build_shared=$can_build_shared
|
---|
680 |
|
---|
681 | ac_cv_prog_cc_pic_works=
|
---|
682 | ac_cv_prog_cc_static_works=
|
---|
683 |
|
---|
684 | if test "$with_gcc" = yes; then
|
---|
685 | ac_cv_prog_cc_wl='-Wl,'
|
---|
686 | ac_cv_prog_cc_static='-static'
|
---|
687 |
|
---|
688 | case $host_os in
|
---|
689 | aix*)
|
---|
690 | # All AIX code is PIC.
|
---|
691 | if test "$host_cpu" = ia64; then
|
---|
692 | # AIX 5 now supports IA64 processor
|
---|
693 | lt_cv_prog_cc_static='-Bstatic'
|
---|
694 | else
|
---|
695 | lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
|
---|
696 | fi
|
---|
697 | ;;
|
---|
698 | amigaos*)
|
---|
699 | # FIXME: we need at least 68020 code to build shared libraries, but
|
---|
700 | # adding the `-m68020' flag to GCC prevents building anything better,
|
---|
701 | # like `-m68040'.
|
---|
702 | ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
|
---|
703 | ;;
|
---|
704 | beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
|
---|
705 | # PIC is the default for these OSes.
|
---|
706 | ;;
|
---|
707 | cygwin* | mingw* | os2*)
|
---|
708 | # This hack is so that the source file can tell whether it is being
|
---|
709 | # built for inclusion in a dll (and should export symbols for example).
|
---|
710 | ac_cv_prog_cc_pic='-DDLL_EXPORT'
|
---|
711 | ;;
|
---|
712 | darwin* | rhapsody*)
|
---|
713 | # PIC is the default on this platform
|
---|
714 | # Common symbols not allowed in MH_DYLIB files
|
---|
715 | lt_cv_prog_cc_pic='-fno-common'
|
---|
716 | ;;
|
---|
717 | *djgpp*)
|
---|
718 | # DJGPP does not support shared libraries at all
|
---|
719 | ac_cv_prog_cc_pic=
|
---|
720 | ;;
|
---|
721 | sysv4*MP*)
|
---|
722 | if test -d /usr/nec; then
|
---|
723 | ac_cv_prog_cc_pic=-Kconform_pic
|
---|
724 | fi
|
---|
725 | ;;
|
---|
726 | *)
|
---|
727 | ac_cv_prog_cc_pic='-fPIC'
|
---|
728 | ;;
|
---|
729 | esac
|
---|
730 | else
|
---|
731 | case $host_os in
|
---|
732 | aix4* | aix5*)
|
---|
733 | # All AIX code is PIC.
|
---|
734 | if test "$host_cpu" = ia64; then
|
---|
735 | # AIX 5 now supports IA64 processor
|
---|
736 | lt_cv_prog_cc_static='-Bstatic'
|
---|
737 | else
|
---|
738 | lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
|
---|
739 | fi
|
---|
740 | ;;
|
---|
741 | chorus*)
|
---|
742 | case $cc_basename in
|
---|
743 | cxch68)
|
---|
744 | # Green Hills C++ Compiler
|
---|
745 | # 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"
|
---|
746 | ;;
|
---|
747 | esac
|
---|
748 | ;;
|
---|
749 | dgux*)
|
---|
750 | case $cc_basename in
|
---|
751 | ec++)
|
---|
752 | ac_cv_prog_cc_pic='-KPIC'
|
---|
753 | ;;
|
---|
754 | ghcx)
|
---|
755 | # Green Hills C++ Compiler
|
---|
756 | ac_cv_prog_cc_pic='-pic'
|
---|
757 | ;;
|
---|
758 | *)
|
---|
759 | ;;
|
---|
760 | esac
|
---|
761 | ;;
|
---|
762 | freebsd*)
|
---|
763 | # FreeBSD uses GNU C++
|
---|
764 | ;;
|
---|
765 | gnu*)
|
---|
766 | ;;
|
---|
767 | hpux9* | hpux10* | hpux11*)
|
---|
768 | case $cc_basename in
|
---|
769 | CC)
|
---|
770 | ac_cv_prog_cc_wl='-Wl,'
|
---|
771 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
|
---|
772 | ac_cv_prog_cc_pic='+Z'
|
---|
773 | ;;
|
---|
774 | aCC)
|
---|
775 | ac_cv_prog_cc_wl='-Wl,'
|
---|
776 | ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
|
---|
777 | ac_cv_prog_cc_pic='+Z'
|
---|
778 | ;;
|
---|
779 | *)
|
---|
780 | ;;
|
---|
781 | esac
|
---|
782 | ;;
|
---|
783 | irix5* | irix6*)
|
---|
784 | case $cc_basename in
|
---|
785 | CC)
|
---|
786 | ac_cv_prog_cc_wl='-Wl,'
|
---|
787 | ac_cv_prog_cc_static='-non_shared'
|
---|
788 | ac_cv_prog_cc_pic='-KPIC'
|
---|
789 | ;;
|
---|
790 | *)
|
---|
791 | ;;
|
---|
792 | esac
|
---|
793 | ;;
|
---|
794 | linux*)
|
---|
795 | case $cc_basename in
|
---|
796 | KCC)
|
---|
797 | # KAI C++ Compiler
|
---|
798 | ac_cv_prog_cc_wl='--backend -Wl,'
|
---|
799 | ac_cv_prog_cc_pic='-fPIC'
|
---|
800 | ;;
|
---|
801 | cxx)
|
---|
802 | # Compaq C++
|
---|
803 | # Make sure the PIC flag is empty. It appears that all Alpha
|
---|
804 | # Linux and Compaq Tru64 Unix objects are PIC.
|
---|
805 | ac_cv_prog_cc_pic=
|
---|
806 | ac_cv_prog_cc_static='-non_shared'
|
---|
807 | ;;
|
---|
808 | *)
|
---|
809 | ;;
|
---|
810 | esac
|
---|
811 | ;;
|
---|
812 | lynxos*)
|
---|
813 | ;;
|
---|
814 | m88k*)
|
---|
815 | ;;
|
---|
816 | mvs*)
|
---|
817 | case $cc_basename in
|
---|
818 | cxx)
|
---|
819 | ac_cv_prog_cc_pic='-W c,exportall'
|
---|
820 | ;;
|
---|
821 | *)
|
---|
822 | ;;
|
---|
823 | esac
|
---|
824 | ;;
|
---|
825 | netbsd*)
|
---|
826 | ;;
|
---|
827 | osf3* | osf4* | osf5*)
|
---|
828 | case $cc_basename in
|
---|
829 | KCC)
|
---|
830 | ac_cv_prog_cc_wl='--backend -Wl,'
|
---|
831 | ;;
|
---|
832 | RCC)
|
---|
833 | # Rational C++ 2.4.1
|
---|
834 | ac_cv_prog_cc_pic='-pic'
|
---|
835 | ;;
|
---|
836 | cxx)
|
---|
837 | # Digital/Compaq C++
|
---|
838 | ac_cv_prog_cc_wl='-Wl,'
|
---|
839 | # Make sure the PIC flag is empty. It appears that all Alpha
|
---|
840 | # Linux and Compaq Tru64 Unix objects are PIC.
|
---|
841 | ac_cv_prog_cc_pic=
|
---|
842 | ac_cv_prog_cc_static='-non_shared'
|
---|
843 | ;;
|
---|
844 | *)
|
---|
845 | ;;
|
---|
846 | esac
|
---|
847 | ;;
|
---|
848 | psos*)
|
---|
849 | ;;
|
---|
850 | sco*)
|
---|
851 | case $cc_basename in
|
---|
852 | CC)
|
---|
853 | ac_cv_prog_cc_pic='-fPIC'
|
---|
854 | ;;
|
---|
855 | *)
|
---|
856 | ;;
|
---|
857 | esac
|
---|
858 | ;;
|
---|
859 | solaris*)
|
---|
860 | case $cc_basename in
|
---|
861 | CC)
|
---|
862 | # Sun C++ 4.2, 5.x and Centerline C++
|
---|
863 | ac_cv_prog_cc_pic='-KPIC'
|
---|
864 | ac_cv_prog_cc_static='-Bstatic'
|
---|
865 | ac_cv_prog_cc_wl='-Qoption ld '
|
---|
866 | ;;
|
---|
867 | gcx)
|
---|
868 | # Green Hills C++ Compiler
|
---|
869 | ac_cv_prog_cc_pic='-PIC'
|
---|
870 | ;;
|
---|
871 | *)
|
---|
872 | ;;
|
---|
873 | esac
|
---|
874 | ;;
|
---|
875 | sunos4*)
|
---|
876 | case $cc_basename in
|
---|
877 | CC)
|
---|
878 | # Sun C++ 4.x
|
---|
879 | ac_cv_prog_cc_pic='-pic'
|
---|
880 | ac_cv_prog_cc_static='-Bstatic'
|
---|
881 | ;;
|
---|
882 | lcc)
|
---|
883 | # Lucid
|
---|
884 | ac_cv_prog_cc_pic='-pic'
|
---|
885 | ;;
|
---|
886 | *)
|
---|
887 | ;;
|
---|
888 | esac
|
---|
889 | ;;
|
---|
890 | tandem*)
|
---|
891 | case $cc_basename in
|
---|
892 | NCC)
|
---|
893 | # NonStop-UX NCC 3.20
|
---|
894 | ac_cv_prog_cc_pic='-KPIC'
|
---|
895 | ;;
|
---|
896 | *)
|
---|
897 | ;;
|
---|
898 | esac
|
---|
899 | ;;
|
---|
900 | unixware*)
|
---|
901 | ;;
|
---|
902 | vxworks*)
|
---|
903 | ;;
|
---|
904 | *)
|
---|
905 | ac_cv_prog_cc_can_build_shared=no
|
---|
906 | ;;
|
---|
907 | esac
|
---|
908 | fi
|
---|
909 |
|
---|
910 | case "$host_os" in
|
---|
911 | # Platforms which do not suport PIC and -DPIC is meaningless
|
---|
912 | # on them:
|
---|
913 | *djgpp*)
|
---|
914 | ac_cv_prog_cc_pic=
|
---|
915 | ;;
|
---|
916 | *)
|
---|
917 | ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
|
---|
918 | ;;
|
---|
919 | esac
|
---|
920 |
|
---|
921 |
|
---|
922 | # Figure out "hidden" C++ library dependencies from verbose
|
---|
923 | # compiler output whening linking a shared library.
|
---|
924 | cat > conftest.$ac_ext <<EOF
|
---|
925 | class Foo
|
---|
926 | {
|
---|
927 | public:
|
---|
928 | Foo (void) { a = 0; }
|
---|
929 | private:
|
---|
930 | int a;
|
---|
931 | };
|
---|
932 | EOF
|
---|
933 |
|
---|
934 |
|
---|
935 | if (eval $ac_compile) 2>&5; then
|
---|
936 | # Parse the compiler output and extract the necessary
|
---|
937 | # objects, libraries and library flags.
|
---|
938 |
|
---|
939 | # Sentinel used to keep track of whether or not we are before
|
---|
940 | # the conftest object file.
|
---|
941 | pre_test_object_deps_done=no
|
---|
942 |
|
---|
943 | for p in `eval $output_verbose_link_cmd`; do
|
---|
944 |
|
---|
945 | case $p in
|
---|
946 |
|
---|
947 | -L* | -R* | -l*)
|
---|
948 | # Some compilers place space between "-{L,R}" and the path.
|
---|
949 | # Remove the space.
|
---|
950 | if test $p = "-L" \
|
---|
951 | || test $p = "-R"; then
|
---|
952 | prev=$p
|
---|
953 | continue
|
---|
954 | else
|
---|
955 | prev=
|
---|
956 | fi
|
---|
957 |
|
---|
958 | if test "$pre_test_object_deps_done" = no; then
|
---|
959 | case $p in
|
---|
960 | -L* | -R*)
|
---|
961 | # Internal compiler library paths should come after those
|
---|
962 | # provided the user. The postdeps already come after the
|
---|
963 | # user supplied libs so there is no need to process them.
|
---|
964 | if test -z "$compiler_lib_search_path"; then
|
---|
965 | compiler_lib_search_path="${prev}${p}"
|
---|
966 | else
|
---|
967 | compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}"
|
---|
968 | fi
|
---|
969 | ;;
|
---|
970 | # The "-l" case would never come before the object being
|
---|
971 | # linked, so don't bother handling this case.
|
---|
972 | esac
|
---|
973 | else
|
---|
974 | if test -z "$postdeps"; then
|
---|
975 | postdeps="${prev}${p}"
|
---|
976 | else
|
---|
977 | postdeps="${postdeps} ${prev}${p}"
|
---|
978 | fi
|
---|
979 | fi
|
---|
980 | ;;
|
---|
981 |
|
---|
982 | *.$objext)
|
---|
983 | # This assumes that the test object file only shows up
|
---|
984 | # once in the compiler output.
|
---|
985 | if test "$p" = "conftest.$objext"; then
|
---|
986 | pre_test_object_deps_done=yes
|
---|
987 | continue
|
---|
988 | fi
|
---|
989 |
|
---|
990 | if test "$pre_test_object_deps_done" = no; then
|
---|
991 | if test -z "$predep_objects"; then
|
---|
992 | predep_objects="$p"
|
---|
993 | else
|
---|
994 | predep_objects="$predep_objects $p"
|
---|
995 | fi
|
---|
996 | else
|
---|
997 | if test -z "$postdep_objects"; then
|
---|
998 | postdep_objects="$p"
|
---|
999 | else
|
---|
1000 | postdep_objects="$postdep_objects $p"
|
---|
1001 | fi
|
---|
1002 | fi
|
---|
1003 | ;;
|
---|
1004 |
|
---|
1005 | *) ;; # Ignore the rest.
|
---|
1006 |
|
---|
1007 | esac
|
---|
1008 | done
|
---|
1009 |
|
---|
1010 | # Clean up.
|
---|
1011 | rm -f a.out
|
---|
1012 | else
|
---|
1013 | echo "ltcf-cxx.sh: error: problem compiling test program"
|
---|
1014 | fi
|
---|
1015 |
|
---|
1016 | $rm -f confest.$objext
|
---|
1017 |
|
---|
1018 | case " $postdeps " in
|
---|
1019 | *" -lc "*) need_lc=no ;;
|
---|
1020 | *) need_lc=yes ;;
|
---|
1021 | esac
|
---|