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111
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1 # Process this file with autoreconf to produce a configure script.
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2
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3 AC_PREREQ(2.64)
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4 AC_INIT(package-unused, version-unused,, libstdc++)
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5 AC_CONFIG_SRCDIR(src/shared/hashtable-aux.cc)
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6 AC_CONFIG_HEADER(config.h)
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7
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8 # This works around the fact that libtool configuration may change LD
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9 # for this particular configuration, but some shells, instead of
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10 # keeping the changes in LD private, export them just because LD is
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11 # exported. Only used at the end of this file.
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12 ### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
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13
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14 # Find the rest of the source tree framework.
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15 AM_ENABLE_MULTILIB(, ..)
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16
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17 # Gets build, host, target, *_vendor, *_cpu, *_os, etc.
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18 #
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19 # You will slowly go insane if you do not grok the following fact: when
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20 # building v3 as part of the compiler, the top-level /target/ becomes the
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21 # library's /host/. configure then causes --target to default to --host,
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22 # exactly like any other package using autoconf. Therefore, 'target' and
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23 # 'host' will always be the same. This makes sense both for native and
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24 # cross compilers, just think about it for a little while. :-)
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25 #
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26 # Also, if v3 is being configured as part of a cross compiler, the top-level
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27 # configure script will pass the "real" host as $with_cross_host.
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28 #
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29 # Do not delete or change the following two lines. For why, see
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30 # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
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31 AC_CANONICAL_SYSTEM
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32 target_alias=${target_alias-$host_alias}
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33
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34 # Handy for debugging:
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35 #AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5
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36
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37 if test "$build" != "$host"; then
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38 # We are being configured with some form of cross compiler.
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39 GLIBCXX_IS_NATIVE=false
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40 case "$host","$target" in
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41 # Darwin crosses can use the host system's libraries and headers,
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42 # because of the fat library support. Of course, it must be the
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43 # same version of Darwin on both sides. Allow the user to
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44 # just say --target=foo-darwin without a version number to mean
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45 # "the version on this system".
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46 *-*-darwin*,*-*-darwin*)
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47 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
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48 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
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49 if test $hostos = $targetos -o $targetos = darwin ; then
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50 GLIBCXX_IS_NATIVE=true
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51 fi
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52 ;;
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53
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54 *)
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55 GCC_NO_EXECUTABLES
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56 ;;
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57 esac
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58 else
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59 GLIBCXX_IS_NATIVE=true
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60 fi
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61
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62 # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
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63 # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
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64 # 1.x: minimum required version
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65 # no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
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66 # of other PACKAGE_* variables will, however, and there's nothing
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67 # we can do about that; they come from AC_INIT).
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68 # foreign: we don't follow the normal rules for GNU packages (no COPYING
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69 # file in the top srcdir, etc, etc), so stop complaining.
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70 # no-dependencies: turns off auto dependency generation (just for now)
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71 # no-dist: we don't want 'dist' and related rules.
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72 # -Wall: turns on all automake warnings...
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73 # -Wno-portability: ...except this one, since GNU make is now required.
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74 AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies no-dist -Wall -Wno-portability -Wno-override])
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75 AH_TEMPLATE(PACKAGE, [Name of package])
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76 AH_TEMPLATE(VERSION, [Version number of package])
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77
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78 # -fno-builtin must be present here so that a non-conflicting form of
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79 # std::exit can be guessed by AC_PROG_CXX, and used in later tests.
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80
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81 save_CXXFLAGS="$CXXFLAGS"
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82 CXXFLAGS="$CXXFLAGS -fno-builtin"
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83 AC_PROG_CC
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84 AC_PROG_CXX
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85 CXXFLAGS="$save_CXXFLAGS"
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86
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87 # Runs configure.host, and assorted other critical bits. Sets
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88 # up critical shell variables.
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89 GLIBCXX_CONFIGURE
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90
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91 # Libtool setup.
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92 if test "x${with_newlib}" != "xyes"; then
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93 AC_LIBTOOL_DLOPEN
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94 fi
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95 AM_PROG_LIBTOOL
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96 ACX_LT_HOST_FLAGS
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97 AC_SUBST(enable_shared)
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98 AC_SUBST(enable_static)
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99
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100 if test "$enable_vtable_verify" = yes; then
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101 predep_objects_CXX="${predep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_start.o"
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102 postdep_objects_CXX="${postdep_objects_CXX} ${glibcxx_builddir}/../libgcc/vtv_end.o"
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103 fi
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104
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105
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106 # libtool variables for C++ shared and position-independent compiles.
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107 #
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108 # Use glibcxx_lt_pic_flag to designate the automake variable
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109 # used to encapsulate the default libtool approach to creating objects
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110 # with position-independent code. Default: -prefer-pic.
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111 #
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112 # Use glibcxx_compiler_shared_flag to designate a compile-time flags for
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113 # creating shared objects. Default: -D_GLIBCXX_SHARED.
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114 #
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115 # Use glibcxx_compiler_pic_flag to designate a compile-time flags for
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116 # creating position-independent objects. This varies with the target
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117 # hardware and operating system, but is often: -DPIC -fPIC.
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118 if test "$enable_shared" = yes; then
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119 glibcxx_lt_pic_flag="-prefer-pic"
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120 glibcxx_compiler_pic_flag="$lt_prog_compiler_pic_CXX"
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121 glibcxx_compiler_shared_flag="-D_GLIBCXX_SHARED"
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122
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123 else
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124 glibcxx_lt_pic_flag=
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125 glibcxx_compiler_pic_flag=
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126 glibcxx_compiler_shared_flag=
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127 fi
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128 AC_SUBST(glibcxx_lt_pic_flag)
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129 AC_SUBST(glibcxx_compiler_pic_flag)
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130 AC_SUBST(glibcxx_compiler_shared_flag)
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131
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132 # Override the libtool's pic_flag and pic_mode.
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133 # Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
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134 # NB: this impacts --with-pic and --without-pic.
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135 lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag"
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136 pic_mode='default'
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137
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138 # Eliminate -lstdc++ addition to postdeps for cross compiles.
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|
139 postdeps_CXX=`echo " $postdeps_CXX " | sed 's, -lstdc++ ,,g'`
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140
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|
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141 # Possibly disable most of the library.
|
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142 ## TODO: Consider skipping unncessary tests altogether in this case, rather
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|
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143 ## than just ignoring the results. Faster /and/ more correct, win win.
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|
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144 GLIBCXX_ENABLE_HOSTED
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145
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146 # Enable descriptive messages to standard output on termination.
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|
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147 GLIBCXX_ENABLE_VERBOSE
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148
|
|
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149 # Enable compiler support that doesn't require linking.
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|
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150 GLIBCXX_ENABLE_PCH($is_hosted)
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|
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151 GLIBCXX_ENABLE_THREADS
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|
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152 GLIBCXX_ENABLE_ATOMIC_BUILTINS
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|
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153 GLIBCXX_ENABLE_DECIMAL_FLOAT
|
|
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154 GLIBCXX_ENABLE_INT128_FLOAT128
|
|
|
155 if test "$enable_float128" = yes; then
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156 port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/abi/pre/float128.ver"
|
|
|
157 fi
|
|
|
158
|
|
|
159 # Checks for compiler support that doesn't require linking.
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|
|
160 GLIBCXX_CHECK_COMPILER_FEATURES
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161
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|
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162 # Enable all the variable C++ runtime options that don't require linking.
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|
|
163 GLIBCXX_ENABLE_CSTDIO
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|
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164 GLIBCXX_ENABLE_CLOCALE
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|
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165 GLIBCXX_ENABLE_ALLOCATOR
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|
|
166 GLIBCXX_ENABLE_CHEADERS($c_model) dnl c_model from configure.host
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|
|
167 GLIBCXX_ENABLE_LONG_LONG([yes])
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|
|
168 GLIBCXX_ENABLE_WCHAR_T([yes])
|
|
|
169 GLIBCXX_ENABLE_C99([yes])
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|
|
170 GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
|
|
|
171 GLIBCXX_ENABLE_DEBUG_FLAGS(["-gdwarf-4 -g3 -O0"])
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|
|
172 GLIBCXX_ENABLE_DEBUG([no])
|
|
|
173 GLIBCXX_ENABLE_PARALLEL([yes])
|
|
|
174 GLIBCXX_ENABLE_CXX_FLAGS
|
|
|
175 GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
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|
|
176 GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes])
|
|
|
177 GLIBCXX_ENABLE_PYTHON
|
|
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178 GLIBCXX_ENABLE_WERROR([yes])
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|
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179 GLIBCXX_ENABLE_VTABLE_VERIFY([no])
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180
|
|
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181 # Checks for operating systems support that doesn't require linking.
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|
|
182 GLIBCXX_CHECK_STDIO_PROTO
|
|
|
183 GLIBCXX_CHECK_MATH11_PROTO
|
|
|
184 GLIBCXX_CHECK_SYSTEM_ERROR
|
|
|
185 GLIBCXX_CHECK_UCHAR_H
|
|
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186
|
|
|
187 # For the streamoff typedef.
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|
|
188 GLIBCXX_CHECK_INT64_T
|
|
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189
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|
|
190 # For LFS support.
|
|
|
191 GLIBCXX_CHECK_LFS
|
|
|
192
|
|
|
193 # For showmanyc_helper().
|
|
|
194 AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
|
|
|
195 GLIBCXX_CHECK_POLL
|
|
|
196 GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
|
|
|
197
|
|
|
198 # For xsputn_2().
|
|
|
199 AC_CHECK_HEADERS(sys/uio.h)
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|
|
200 GLIBCXX_CHECK_WRITEV
|
|
|
201
|
|
|
202 # Check for fenv.h and complex.h before GLIBCXX_CHECK_C99_TR1
|
|
|
203 # so that the check is done with the C compiler (not C++).
|
|
|
204 # Checking with C++ can break a canadian cross build if either
|
|
|
205 # file does not exist in C but does in C++.
|
|
|
206 AC_CHECK_HEADERS(fenv.h complex.h)
|
|
|
207
|
|
|
208 # For C99 support to TR1.
|
|
|
209 GLIBCXX_CHECK_C99_TR1
|
|
|
210
|
|
|
211 # For the EOF, SEEK_CUR, and SEEK_END integer constants.
|
|
|
212 GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS
|
|
|
213
|
|
|
214 # For gettimeofday support.
|
|
|
215 GLIBCXX_CHECK_GETTIMEOFDAY
|
|
|
216
|
|
|
217 # For clock_gettime, nanosleep and sched_yield support.
|
|
|
218 GLIBCXX_ENABLE_LIBSTDCXX_TIME
|
|
|
219
|
|
|
220 # Check for tmpnam which is obsolescent in POSIX.1-2008
|
|
|
221 GLIBCXX_CHECK_TMPNAM
|
|
|
222
|
|
|
223 AC_LC_MESSAGES
|
|
|
224
|
|
|
225 # For hardware_concurrency
|
|
|
226 AC_CHECK_HEADERS(sys/sysinfo.h)
|
|
|
227 GLIBCXX_CHECK_GET_NPROCS
|
|
|
228 AC_CHECK_HEADERS(unistd.h)
|
|
|
229 GLIBCXX_CHECK_SC_NPROCESSORS_ONLN
|
|
|
230 GLIBCXX_CHECK_SC_NPROC_ONLN
|
|
|
231 GLIBCXX_CHECK_PTHREADS_NUM_PROCESSORS_NP
|
|
|
232 GLIBCXX_CHECK_SYSCTL_HW_NCPU
|
|
|
233 GLIBCXX_CHECK_SDT_H
|
|
|
234
|
|
|
235 # Check for available headers.
|
|
|
236 AC_CHECK_HEADERS([endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \
|
|
|
237 locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \
|
|
|
238 strings.h sys/ipc.h sys/isa_defs.h sys/machine.h sys/param.h \
|
|
|
239 sys/resource.h sys/sem.h sys/stat.h sys/time.h sys/types.h unistd.h \
|
|
|
240 wchar.h wctype.h linux/random.h])
|
|
|
241
|
|
|
242 # Only do link tests if native. Else, hardcode.
|
|
|
243 if $GLIBCXX_IS_NATIVE; then
|
|
|
244
|
|
|
245 # We can do more elaborate tests that assume a working linker.
|
|
|
246 CANADIAN=no
|
|
|
247
|
|
|
248 GLIBCXX_CHECK_LINKER_FEATURES
|
|
|
249 GLIBCXX_CHECK_MATH_SUPPORT
|
|
|
250 GLIBCXX_CHECK_STDLIB_SUPPORT
|
|
|
251
|
|
|
252 # For /dev/random and /dev/urandom for TR1.
|
|
|
253 GLIBCXX_CHECK_RANDOM_TR1
|
|
|
254
|
|
|
255 # For TLS support.
|
|
|
256 GCC_CHECK_TLS
|
|
|
257
|
|
|
258 AC_CHECK_FUNCS(__cxa_thread_atexit_impl __cxa_thread_atexit)
|
|
|
259 AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
|
|
|
260
|
|
|
261 # For iconv support.
|
|
|
262 AM_ICONV
|
|
|
263
|
|
|
264 else
|
|
|
265
|
|
|
266 # This lets us hard-code the functionality we know we'll have in the cross
|
|
|
267 # target environment. "Let" is a sugar-coated word placed on an especially
|
|
|
268 # dull and tedious hack, actually.
|
|
|
269 #
|
|
|
270 # Here's why GLIBCXX_CHECK_MATH_SUPPORT, and other autoconf macros
|
|
|
271 # that involve linking, can't be used:
|
|
|
272 # "cannot open sim-crt0.o"
|
|
|
273 # "cannot open crt0.o"
|
|
|
274 # etc. All this is because there currently exists no unified, consistent
|
|
|
275 # way for top level CC information to be passed down to target directories:
|
|
|
276 # newlib includes, newlib linking info, libgloss versus newlib crt0.o, etc.
|
|
|
277 # When all of that is done, all of this hokey, excessive AC_DEFINE junk for
|
|
|
278 # crosses can be removed.
|
|
|
279
|
|
|
280 # If Canadian cross, then don't pick up tools from the build directory.
|
|
|
281 # Used only in GLIBCXX_EXPORT_INCLUDES.
|
|
|
282 if test -n "$with_cross_host" &&
|
|
|
283 test x"$build_alias" != x"$with_cross_host" &&
|
|
|
284 test x"$build" != x"$target";
|
|
|
285 then
|
|
|
286 CANADIAN=yes
|
|
|
287 else
|
|
|
288 CANADIAN=no
|
|
|
289 fi
|
|
|
290
|
|
|
291 # Construct crosses by hand, eliminating bits that need ld...
|
|
|
292 # GLIBCXX_CHECK_MATH_SUPPORT
|
|
|
293
|
|
|
294 # First, test for "known" system libraries. We may be using newlib even
|
|
|
295 # on a hosted environment.
|
|
|
296 if test "x${with_newlib}" = "xyes"; then
|
|
|
297 os_include_dir="os/newlib"
|
|
|
298 AC_DEFINE(HAVE_HYPOT)
|
|
|
299
|
|
|
300 # GLIBCXX_CHECK_STDLIB_SUPPORT
|
|
|
301 AC_DEFINE(HAVE_STRTOF)
|
|
|
302
|
|
|
303 AC_DEFINE(HAVE_ACOSF)
|
|
|
304 AC_DEFINE(HAVE_ASINF)
|
|
|
305 AC_DEFINE(HAVE_ATAN2F)
|
|
|
306 AC_DEFINE(HAVE_ATANF)
|
|
|
307 AC_DEFINE(HAVE_CEILF)
|
|
|
308 AC_DEFINE(HAVE_COSF)
|
|
|
309 AC_DEFINE(HAVE_COSHF)
|
|
|
310 AC_DEFINE(HAVE_EXPF)
|
|
|
311 AC_DEFINE(HAVE_FABSF)
|
|
|
312 AC_DEFINE(HAVE_FLOORF)
|
|
|
313 AC_DEFINE(HAVE_FMODF)
|
|
|
314 AC_DEFINE(HAVE_FREXPF)
|
|
|
315 AC_DEFINE(HAVE_LDEXPF)
|
|
|
316 AC_DEFINE(HAVE_LOG10F)
|
|
|
317 AC_DEFINE(HAVE_LOGF)
|
|
|
318 AC_DEFINE(HAVE_MODFF)
|
|
|
319 AC_DEFINE(HAVE_POWF)
|
|
|
320 AC_DEFINE(HAVE_SINF)
|
|
|
321 AC_DEFINE(HAVE_SINHF)
|
|
|
322 AC_DEFINE(HAVE_SQRTF)
|
|
|
323 AC_DEFINE(HAVE_TANF)
|
|
|
324 AC_DEFINE(HAVE_TANHF)
|
|
|
325
|
|
|
326 AC_DEFINE(HAVE_ICONV)
|
|
|
327 AC_DEFINE(HAVE_MEMALIGN)
|
|
|
328 else
|
|
|
329 GLIBCXX_CROSSCONFIG
|
|
|
330 fi
|
|
|
331
|
|
|
332 # At some point, we should differentiate between architectures
|
|
|
333 # like x86, which have long double versions, and alpha/powerpc/etc.,
|
|
|
334 # which don't. For the time being, punt.
|
|
|
335 if test x"long_double_math_on_this_cpu" = x"yes"; then
|
|
|
336 AC_DEFINE(HAVE_ACOSL)
|
|
|
337 AC_DEFINE(HAVE_ASINL)
|
|
|
338 AC_DEFINE(HAVE_ATAN2L)
|
|
|
339 AC_DEFINE(HAVE_ATANL)
|
|
|
340 AC_DEFINE(HAVE_CEILL)
|
|
|
341 AC_DEFINE(HAVE_COSL)
|
|
|
342 AC_DEFINE(HAVE_COSHL)
|
|
|
343 AC_DEFINE(HAVE_EXPL)
|
|
|
344 AC_DEFINE(HAVE_FABSL)
|
|
|
345 AC_DEFINE(HAVE_FLOORL)
|
|
|
346 AC_DEFINE(HAVE_FMODL)
|
|
|
347 AC_DEFINE(HAVE_FREXPL)
|
|
|
348 AC_DEFINE(HAVE_LDEXPL)
|
|
|
349 AC_DEFINE(HAVE_LOG10L)
|
|
|
350 AC_DEFINE(HAVE_LOGL)
|
|
|
351 AC_DEFINE(HAVE_MODFL)
|
|
|
352 AC_DEFINE(HAVE_POWL)
|
|
|
353 AC_DEFINE(HAVE_SINCOSL)
|
|
|
354 AC_DEFINE(HAVE_SINL)
|
|
|
355 AC_DEFINE(HAVE_SINHL)
|
|
|
356 AC_DEFINE(HAVE_SQRTL)
|
|
|
357 AC_DEFINE(HAVE_TANL)
|
|
|
358 AC_DEFINE(HAVE_TANHL)
|
|
|
359 fi
|
|
|
360 fi
|
|
|
361
|
|
|
362 # Check for _Unwind_GetIPInfo.
|
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363 GCC_CHECK_UNWIND_GETIPINFO
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364
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365 GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
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366
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367 GCC_HEADER_STDINT(include/gstdint.h)
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368
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369 GLIBCXX_ENABLE_SYMVERS([yes])
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370 AC_SUBST(libtool_VERSION)
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371
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372 GLIBCXX_ENABLE_LIBSTDCXX_VISIBILITY([yes])
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373
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374 GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
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375 GLIBCXX_DEFAULT_ABI
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376
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377 ac_ldbl_compat=no
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378 LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
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379 case "$target" in
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380 powerpc*-*-linux* | \
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381 sparc*-*-linux* | \
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382 s390*-*-linux* | \
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383 alpha*-*-linux*)
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384 AC_TRY_COMPILE(, [
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385 #if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
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386 #error no need for long double compatibility
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387 #endif
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388 ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no])
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389 if test "$ac_ldbl_compat" = yes; then
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390 AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1,
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391 [Define if compatibility should be provided for -mlong-double-64.])
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392 port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
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393 case "$target" in
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394 powerpc*-*-linux*)
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395 LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" ;;
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396 esac
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397 fi
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398 esac
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399 AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS)
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400 GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
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401
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402 # Check if assembler supports disabling hardware capability support.
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403 GCC_CHECK_ASSEMBLER_HWCAP
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404
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405 # Check if assembler supports rdrand opcode.
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406 GLIBCXX_CHECK_X86_RDRAND
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407
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408 # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
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409 GLIBCXX_CONFIGURE_TESTSUITE
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410
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411 # For gthread support. Depends on GLIBCXX_ENABLE_SYMVERS.
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412 GLIBCXX_CHECK_GTHREADS
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413
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414 # For Filesystem TS.
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415 AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h])
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416 GLIBCXX_ENABLE_FILESYSTEM_TS
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417 GLIBCXX_CHECK_FILESYSTEM_DEPS
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418
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419 # For Transactional Memory TS
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420 GLIBCXX_CHECK_SIZE_T_MANGLING
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421
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422 # Check which release added std::exception_ptr for the target
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423 GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER
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424
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425 # Define documentation rules conditionally.
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426
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427 # See if makeinfo has been installed and is modern enough
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428 # that we can use it.
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429 ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
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430 [GNU texinfo.* \([0-9][0-9.]*\)],
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431 [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
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432 AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes")
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433
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434 # Check for doxygen
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435 AC_CHECK_PROG([DOXYGEN], doxygen, yes, no)
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436 AC_CHECK_PROG([DOT], dot, yes, no)
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437
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438 # Check for docbook
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439 AC_CHECK_PROG([XSLTPROC], xsltproc, yes, no)
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440 AC_CHECK_PROG([XMLLINT], xmllint, yes, no)
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441 GLIBCXX_CONFIGURE_DOCBOOK
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442
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443 # Check for xml/html dependencies.
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444 AM_CONDITIONAL(BUILD_XML,
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445 test $ac_cv_prog_DOXYGEN = "yes" &&
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446 test $ac_cv_prog_DOT = "yes" &&
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447 test $ac_cv_prog_XSLTPROC = "yes" &&
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448 test $ac_cv_prog_XMLLINT = "yes" &&
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449 test $glibcxx_stylesheets = "yes")
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450
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451 AM_CONDITIONAL(BUILD_HTML,
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452 test $ac_cv_prog_DOXYGEN = "yes" &&
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453 test $ac_cv_prog_DOT = "yes" &&
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454 test $ac_cv_prog_XSLTPROC = "yes" &&
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455 test $ac_cv_prog_XMLLINT = "yes" &&
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456 test $glibcxx_stylesheets = "yes")
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457
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458 # Check for man dependencies.
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459 AM_CONDITIONAL(BUILD_MAN,
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460 test $ac_cv_prog_DOXYGEN = "yes" &&
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461 test $ac_cv_prog_DOT = "yes")
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462
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|
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463 # Check for pdf dependencies.
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464 AC_CHECK_PROG([DBLATEX], dblatex, yes, no)
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465 AC_CHECK_PROG([PDFLATEX], pdflatex, yes, no)
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466 AM_CONDITIONAL(BUILD_PDF,
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|
|
467 test $ac_cv_prog_DBLATEX = "yes" &&
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|
468 test $ac_cv_prog_PDFLATEX = "yes")
|
|
|
469
|
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470
|
|
|
471 # Propagate the target-specific source directories through the build chain.
|
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|
472 ATOMICITY_SRCDIR=config/${atomicity_dir}
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|
473 ATOMIC_WORD_SRCDIR=config/${atomic_word_dir}
|
|
|
474 ATOMIC_FLAGS=${atomic_flags}
|
|
|
475 CPU_DEFINES_SRCDIR=config/${cpu_defines_dir}
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|
|
476 OS_INC_SRCDIR=config/${os_include_dir}
|
|
|
477 ERROR_CONSTANTS_SRCDIR=config/${error_constants_dir}
|
|
|
478 ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir}
|
|
|
479 CPU_OPT_EXT_RANDOM=config/${cpu_opt_ext_random}
|
|
|
480 CPU_OPT_BITS_RANDOM=config/${cpu_opt_bits_random}
|
|
|
481 AC_SUBST(ATOMICITY_SRCDIR)
|
|
|
482 AC_SUBST(ATOMIC_WORD_SRCDIR)
|
|
|
483 AC_SUBST(ATOMIC_FLAGS)
|
|
|
484 AC_SUBST(CPU_DEFINES_SRCDIR)
|
|
|
485 AC_SUBST(ABI_TWEAKS_SRCDIR)
|
|
|
486 AC_SUBST(OS_INC_SRCDIR)
|
|
|
487 AC_SUBST(ERROR_CONSTANTS_SRCDIR)
|
|
|
488 AC_SUBST(CPU_OPT_EXT_RANDOM)
|
|
|
489 AC_SUBST(CPU_OPT_BITS_RANDOM)
|
|
|
490
|
|
|
491
|
|
|
492 # Determine cross-compile flags and AM_CONDITIONALs.
|
|
|
493 #AC_SUBST(GLIBCXX_IS_NATIVE)
|
|
|
494 #AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes)
|
|
|
495 GLIBCXX_EVALUATE_CONDITIONALS
|
|
|
496
|
|
|
497 AC_CACHE_SAVE
|
|
|
498
|
|
|
499 if test ${multilib} = yes; then
|
|
|
500 multilib_arg="--enable-multilib"
|
|
|
501 else
|
|
|
502 multilib_arg=
|
|
|
503 fi
|
|
|
504
|
|
|
505 # Export all the install information.
|
|
|
506 GLIBCXX_EXPORT_INSTALL_INFO
|
|
|
507
|
|
|
508 # Export all the include and flag information to Makefiles.
|
|
|
509 GLIBCXX_EXPORT_INCLUDES
|
|
|
510 GLIBCXX_EXPORT_FLAGS
|
|
|
511
|
|
|
512 # Determine what GCC version number to use in filesystem paths.
|
|
|
513 GCC_BASE_VER
|
|
|
514
|
|
|
515 dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros,
|
|
|
516 dnl which can all be called multiple times as needed, plus one (different)
|
|
|
517 dnl AC_OUTPUT macro. This one lists the files to be created:
|
|
|
518 AC_CONFIG_FILES(Makefile)
|
|
|
519 AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
|
|
|
520 AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers])
|
|
|
521 AC_CONFIG_FILES([doc/xsl/customization.xsl])
|
|
|
522
|
|
|
523 # Multilibs need MULTISUBDIR defined correctly in certain makefiles so
|
|
|
524 # that multilib installs will end up installed in the correct place.
|
|
|
525 # The testsuite needs it for multilib-aware ABI baseline files.
|
|
|
526 # To work around this not being passed down from config-ml.in ->
|
|
|
527 # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually
|
|
|
528 # append it here. Only modify Makefiles that have just been created.
|
|
|
529 #
|
|
|
530 # Also, get rid of this simulated-VPATH thing that automake does.
|
|
|
531 AC_CONFIG_FILES(AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ]),
|
|
|
532 [cat > vpsed$$ << \_EOF
|
|
|
533 s!`test -f '$<' || echo '$(srcdir)/'`!!
|
|
|
534 _EOF
|
|
|
535 sed -f vpsed$$ $ac_file > tmp$$
|
|
|
536 mv tmp$$ $ac_file
|
|
|
537 rm vpsed$$
|
|
|
538 echo 'MULTISUBDIR =' >> $ac_file
|
|
|
539 ml_norecursion=yes
|
|
|
540 . ${multi_basedir}/config-ml.in
|
|
|
541 AS_UNSET([ml_norecursion])
|
|
|
542 ])
|
|
|
543
|
|
|
544 AC_CONFIG_COMMANDS([generate-headers],
|
|
|
545 [(cd include && ${MAKE-make} pch_build= )])
|
|
|
546
|
|
|
547 dnl And this actually makes things happen:
|
|
|
548 AC_OUTPUT
|
