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