libstdc++/configure.in

   1 # This file is a shell script fragment that supplies the information
   2 # necessary for a configure script to process the program in
   3 # this directory.  For more information, look at ../configure.
   4
   5 # find a possible extension of the just-built C++ compiler. Note that this
   6 # is not the only choice, taking into cross and canadian cross into
   7 # account, and we need to search for with and without the extension.
   8 case "${host_alias}" in
   9 *cygwin* | *mingw32*)
  10   EXEEXT=.exe
  11   ;;
  12 *)
  13   EXEEXT=
  14   ;;
  15 esac
  16
  17 # If the language specific compiler does not exist, but the "gcc" directory
  18 # does, we do not build anything. Note, $r is set by the top-level Makefile.
  19 # Note that when we look for the compiler, we search both with and without
  20 # extension to handle cross and canadian cross builds.
  21 compiler_name=cc1plus
  22 rm -f skip-this-dir
  23 if test -n "$r"; then
  24   if test -d "$r"/gcc; then
  25     if test -f "$r"/gcc/$compiler_name \
  26        || test -f "$r"/gcc/$compiler_name$EXEEXT; then
  27       true
  28     else
  29       echo "rm -f multilib.out" > skip-this-dir
  30     fi
  31   fi
  32 fi
  33
  34 if [ "${srcdir}" = "." ] ; then
  35   if [ "${with_target_subdir}" != "." ] ; then
  36     topsrcdir=${with_multisrctop}../..
  37   else
  38     topsrcdir=${with_multisrctop}..
  39   fi
  40 else
  41   topsrcdir=${srcdir}/..
  42 fi
  43
  44 if [ -d ${topsrcdir}/gcc ] ; then
  45   configdirs="tests testsuite"
  46 else
  47   configdirs="tests"
  48 fi
  49 srctrigger=sinst.cc
  50 srcname="ANSI C++ library"
  51 package_makefile_frag=Make.pack
  52 package_makefile_rules_frag=Make.pack.r
  53
  54 # per-host:
  55
  56 # per-target:
  57
  58 echo "# Warning: this fragment is automatically generated" > temp.mt
  59 frags=
  60
  61 # If they didn't specify --enable-shared, don't generate shared libs.
  62 case "${enable_shared}" in
  63   yes) shared=yes ;;
  64   no) shared=no ;;
  65   *libstdc++*) shared=yes ;;
  66   *) shared=no ;;
  67 esac
  68
  69 if [ "${shared}" = "yes" ]; then
  70   case "${target}" in
  71     alpha*-*-linux*)    frags=../../config/mh-elfalphapic ;;
  72     arm*-*-*)           frags=../../config/mh-armpic ;;
  73     hppa*-*-*)          frags=../../config/mh-papic ;;
  74     i[3456]86-*-*)      frags=../../config/mh-x86pic ;;
  75     powerpc*-*-aix*)    ;;
  76     powerpc*-*-*)       frags=../../config/mh-ppcpic ;;
  77     *-*-*)              frags=../../config/mh-${target_cpu}pic ;;
  78   esac
  79   case "${target}" in
  80     *-dec-osf*)         frags="${frags} dec-osf.ml";;
  81     *-*-hpux*)          frags="${frags} hpux.ml" ;;
  82     *-*-irix[56]*)      frags="${frags} irix5.ml" ;;
  83     *-*-linux*aout*)    ;;
  84     *-*-freebsd2)       ;;
  85     *-*-freebsd*)       frags="${frags} freebsd.ml" ;;
  86     *-*-linux*)         frags="${frags} linux.ml" ;;
  87     *-*-openbsd*)               frags="${frags} openbsd.ml" ;;
  88     *-*-sysv[45]*|*-*-udk*)     frags="${frags} elf.ml" ;;
  89     *-*-solaris*)       frags="${frags} sol2shm.ml" ;;
  90     *-*-sunos4*)        frags="${frags} sunos4.ml" ;;
  91     *-*-aix*)           frags="${frags} aix.ml" ;;
  92     i[3456]86-*-interix*)       frags="${frags} x86-interix.ml" ;;
  93   esac
  94 fi
  95
  96 # Make sure the right flags are defined for multi-threading.
  97 case "${target}" in
  98   alpha*-*-linux-gnulibc1)      frags="${frags} linux.mt" ;;
  99   powerpc*-*-linux-gnulibc1)    frags="${frags} linux.mt" ;;
 100   *-*-linux-gnu)                frags="${frags} linux.mt" ;;
 101   *-*-openbsd*)
 102         case "x${enable_threads}" in
 103                 xyes|xposix)    frags="${frags} openbsd.mt" ;;
 104         esac;;
 105   m68k-motorola-sysv)           frags="${frags} delta.mt" ;;
 106   *-*-solaris*)
 107     case "x${enable_threads}" in
 108       xposix)                   frags="${frags} sol2pth.mt" ;;
 109       xsolaris)                 frags="${frags} sol2solth.mt" ;;
 110     esac ;;
 111   *)
 112     case "x${enable_threads}" in
 113       xposix)                   frags="${frags} posix.mt" ;;
 114     esac ;;
 115 esac
 116
 117 for frag in ${frags}; do
 118   case ${frag} in
 119     ../* )
 120       if [ ${srcdir} = . ]; then
 121         [ -n "${with_target_subdir}" ] && frag=../${frag}
 122         [ -n "${with_multisrctop}" ] && frag=${with_multisrctop}${frag}
 123       fi
 124       ;;
 125   esac
 126   frag=${srcdir}/config/$frag
 127   if [ -f ${frag} ]; then
 128     echo "Appending ${frag} to target-mkfrag"
 129     echo "# Following fragment copied from ${frag}" >> temp.mt
 130     cat ${frag} >> temp.mt
 131   fi
 132 done
 133
 134 target_makefile_frag=target-mkfrag
 135 ${moveifchange} temp.mt target-mkfrag
 136
 137 LIBDIR=yes
 138 TO_TOPDIR=../
 139 ALL='libs'
 140 XCXXINCLUDES="-I${srcdir} -I${srcdir}/stl -I${TO_TOPDIR}libio -I${srcdir}/${TO_TOPDIR}libio"
 141 MOSTLYCLEAN='*.o pic stamp-picdir core so_locations $(MOSTLYCLEAN_JUNK)'
 142 CLEAN='$(CLEAN_JUNK)'
 143 EXTRA_DISTCLEAN='target-mkfrag'
 144
 145 (. ${srcdir}/${TO_TOPDIR}libio/config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag}
 146
 147 . ${topsrcdir}/config.if
 148 echo "
 149 LIBSTDCXX_INTERFACE=${libstdcxx_interface}
 150 CXX_INTERFACE=${cxx_interface}
 151 LIBC_INTERFACE=${libc_interface}
 152 " >> ${package_makefile_frag}
 153
 154 # This duplicated the AC_PROG_LN_S macro in GNU autoconf.
 155 rm -f conttestdata
 156 if ln -s X conftestdata 2>/dev/null
 157 then
 158   rm -f conftestdata
 159   LN_S="ln -s"
 160 else
 161   LN_S=ln
 162 fi
 163 echo "
 164 LN_S=$LN_S
 165 " >> ${package_makefile_frag}
 166
 167 # post-target:
 168
 169 # If cross-compiling, we install in $(tooldir)/lib or in $(libsubdir)
 170 # depending on --enable-version-specific-runtime-libs.
 171 if [ -n "${with_cross_host}" ] ; then
 172     rm -f Makefile.tem
 173     sed \
 174         -e 's|^\([      ]*INSTALLDIR[   ]*=[    ]*\)\$(libdir)|\1$(tooldir)/lib|' \
 175         Makefile >Makefile.tem
 176     mv -f Makefile.tem Makefile
 177 fi
 178
 179 # enable multilib-ing by default.
 180 if [ -z "${enable_multilib}" ]; then
 181     enable_multilib=yes
 182 fi
 183
 184 . ${topsrcdir}/config-ml.in
 185
 186 gxx_include_dir=
 187 # Specify the g++ header file directory
 188 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
 189 if test "${with_gxx_include_dir+set}" = set; then
 190   withval="$with_gxx_include_dir"
 191   case "${withval}" in
 192     yes)
 193       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
 194       exit 1
 195       ;;
 196     no) ;;
 197     *)  gxx_include_dir=$with_gxx_include_dir ;;
 198   esac
 199 fi
 200
 201 if test x${gxx_include_dir} = x; then
 202   if test x${enable_version_specific_runtime_libs} = xyes; then
 203     gxx_include_dir='${libsubdir}/include/g++'
 204   else
 205     gxx_include_dir='${prefix}/include/g++'-${libstdcxx_interface}
 206   fi
 207 fi
 208
 209 rm -f Makefile.tem
 210 sed -e "s%^gxx_include_dir[     ]*=.*$%gxx_include_dir=${gxx_include_dir}%" \
 211        Makefile >Makefile.tem
 212 mv -f Makefile.tem Makefile