libio/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 ${topsrcdir}/gcc ] ; then
  35   configdirs="tests dbz stdio testsuite"
  36 else
  37   configdirs="tests dbz stdio"
  38 fi
  39 srctrigger=libioP.h
  40 srcname="input/output library"
  41 package_makefile_frag=Make.pack
  42 package_makefile_rules_frag=Make.pack.r
  43
  44 # per-host:
  45
  46 # per-target:
  47
  48 echo "# Warning: this fragment is automatically generated" > temp.mt
  49 frags=
  50
  51 case "${target}" in
  52   *-mpeix*)      frags="mpeix.mt" ;;
  53   *-hpux*)       frags=hpux.mt ;;
  54   alpha*-*-linux-gnulibc1)
  55                  frags="linux.mt linuxaxp1.mt mtsafe.mt" ;;
  56   powerpc*-*-linux-gnulibc1)
  57                  frags="linux.mt linuxaxp1.mt mtsafe.mt" ;;
  58   *-linux-gnulibc1)
  59                  frags=linuxlibc1.mt ;;
  60   *-linux-gnu*)  frags="linux.mt mtsafe.mt" ;;
  61   *-sco3.2v[45]*)   frags=sco4.mt ;;
  62   *-isc*)        frags=isc.mt ;;
  63   *-netware*)    frags=netware.mt ;;
  64   *-dgux*)       frags=dgux.mt ;;
  65   *vxworks*)     frags="vxworks.mt" ;;
  66   *-beos*)       frags="beos.mt mtsafe.mt" ;;
  67   *)             frags=${target_cpu}.mt ;;
  68 esac
  69
  70 case "${enable_shared}" in
  71   yes) shared=yes ;;
  72   no) shared=no ;;
  73   *libio*) shared=yes ;;
  74   *) shared=no ;;
  75 esac
  76
  77 if [ "${shared}" = "yes" ]; then
  78   case "${target}" in
  79     alpha*-*-linux*)    frags="${frags} ../../config/mh-elfalphapic" ;;
  80     arm*-*-*)           frags="${frags} ../../config/mh-armpic" ;;
  81     hppa*-*-*)          frags="${frags} ../../config/mh-papic" ;;
  82     i[3456]86-*-*)      frags="${frags} ../../config/mh-x86pic" ;;
  83     powerpc*-*-aix*)    ;;
  84     powerpc*-*-*)       frags="${frags} ../../config/mh-ppcpic" ;;
  85     *-*-*)              frags="${frags} ../../config/mh-${target_cpu}pic" ;;
  86   esac
  87 fi
  88
  89 # Take care of header file lossage.
  90 case "${target}" in
  91   alpha*-*-linux-gnulibc1)
  92     # For some reason stdio-lock.h is not installed on Red Hat systems.
  93     # Further, libc-lock.h needs to define the pthreads stuff weak, and
  94     # fails to do this for other than _LIBC.  Install our own versions
  95     # of these files.
  96     cp ${srcdir}/config/linuxaxp1-libc-lock.h libc-lock.h
  97     cp ${srcdir}/config/linuxaxp1-stdio-lock.h stdio-lock.h
  98     ;;
  99   powerpc*-*-linux-gnulibc1)
 100     # For some reason stdio-lock.h is not installed on Red Hat systems.
 101     # Further, libc-lock.h needs to define the pthreads stuff weak, and
 102     # fails to do this for other than _LIBC.  Install our own versions
 103     # of these files.
 104     cp ${srcdir}/config/linuxaxp1-libc-lock.h libc-lock.h
 105     cp ${srcdir}/config/linuxaxp1-stdio-lock.h stdio-lock.h
 106     ;;
 107   *-linux-gnu*)
 108     # We have a correct libc-lock.h in glibc 2.1 but not all glibc 2.0.
 109     # Create a wrapper if necessary.
 110     (echo "#include <bits/libc-lock.h>" | ${CC-cc} -E -) >/dev/null 2>&1 ||
 111       {
 112         echo " #include_next <libc-lock.h>" > libc-lock.h
 113         echo 'asm (".weak _pthread_cleanup_pop_restore");' >> libc-lock.h
 114         echo 'asm (".weak _pthread_cleanup_push_defer");' >> libc-lock.h
 115
 116       }
 117     ;;
 118 esac
 119
 120 for frag in ${frags}; do
 121   case ${frag} in
 122     ../* )
 123       if [ ${srcdir} = . ]; then
 124         [ -n "${with_target_subdir}" ] && frag=../${frag}
 125         [ -n "${with_multisrctop}" ] && frag=${with_multisrctop}${frag}
 126       fi
 127       ;;
 128   esac
 129   frag=${srcdir}/config/$frag
 130   if [ -f ${frag} ]; then
 131     echo "Appending ${frag} to target-mkfrag"
 132     echo "# Following fragment copied from ${frag}" >> temp.mt
 133     cat ${frag} >> temp.mt
 134   fi
 135 done
 136
 137 target_makefile_frag=target-mkfrag
 138 ${moveifchange} temp.mt target-mkfrag
 139
 140 LIBDIR=yes
 141 TO_TOPDIR=../
 142 ALL='$(_G_CONFIG_H) libio.a libiostream.a iostream.list'
 143 case "${target}" in
 144   *-*-cygwin*)
 145     XCINCLUDES='-I. -I$(srcdir) -I$(srcdir)/../winsup/include'
 146     XCXXINCLUDES='-I. -I$(srcdir) -I$(srcdir)/../winsup/include'
 147     ;;
 148   *)
 149     XCINCLUDES='-I. -I$(srcdir)'
 150     XCXXINCLUDES='-I. -I$(srcdir)'
 151     ;;
 152 esac
 153 MOSTLYCLEAN='*.o pic stamp-picdir core iostream.list'
 154 DISTCLEAN='config.status Makefile *~ Make.pack target-mkfrag multilib.out'
 155 CLEAN='_G_config.h *.a'
 156 INFO_FILES=iostream
 157 if [ -n "${with_cross_host}" -a -d ${topsrcdir}/gcc ]; then
 158     CHECK_SUBDIRS=testsuite
 159 fi
 160 (. ${srcdir}/config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag}
 161
 162 # post-target:
 163
 164 # If cross-compiling, we install in $(tooldir)/lib or in $(libsubdir)
 165 # depending on --enable-version-specific-runtime-libs.
 166 if [ -n "${with_cross_host}" ] ; then
 167     rm -f Makefile.tem
 168     sed \
 169         -e 's|\(^[      ]*INSTALLDIR[   ]*=[    ]*\)\$(libdir)|\1$(tooldir)/lib|' \
 170         Makefile >Makefile.tem
 171     mv -f Makefile.tem Makefile
 172 fi
 173
 174 . ${topsrcdir}/config-ml.in
 175
 176 gxx_include_dir=
 177 # Specify the g++ header file directory
 178 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
 179 if test "${with_gxx_include_dir+set}" = set; then
 180   withval="$with_gxx_include_dir"
 181   case "${withval}" in
 182     yes)
 183       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
 184       exit 1
 185       ;;
 186     no) ;;
 187     *)  gxx_include_dir=$with_gxx_include_dir ;;
 188   esac
 189 fi
 190
 191 if test x${gxx_include_dir} = x; then
 192   if test x${enable_version_specific_runtime_libs} = xyes; then
 193     gxx_include_dir='${libsubdir}/include/g++'
 194   else
 195     . ${topsrcdir}/config.if
 196     gxx_include_dir='${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