configure.in

   1 ##############################################################################
   2
   3 ## This file is a shell script fragment that supplies the information
   4 ## necessary to tailor a template configure script into the configure
   5 ## script appropriate for this directory.  For more information, check
   6 ## any existing configure script.
   7
   8 ## Be warned, there are two types of configure.in files.  There are those
   9 ## used by Autoconf, which are macros which are expanded into a configure
  10 ## script by autoconf.  The other sort, of which this is one, is executed
  11 ## by Cygnus configure.
  12
  13 ## For more information on these two systems, check out the documentation
  14 ## for 'Autoconf' (autoconf.texi) and 'Configure' (configure.texi).
  15
  16 ##############################################################################
  17
  18 ### To add a new directory to the tree, first choose whether it is a target
  19 ### or a host dependent tool.  Then put it into the appropriate list
  20 ### (library or tools, host or target), doing a dependency sort.  For
  21 ### example, gdb requires that byacc (or bison) be built first, so it is in
  22 ### the ${host_tools} list after byacc and bison.
  23
  24
  25 # these libraries are used by various programs built for the host environment
  26 #
  27 host_libs="mmalloc libiberty opcodes bfd readline glob gash tcl tk tclX"
  28
  29 # these tools are built for the host environment
  30 #
  31 host_tools="texinfo byacc flex bison binutils ld gas gcc gdb make patch
  32             prms send-pr gprof gdbtest tgas etc expect dejagnu sim
  33             m4 autoconf ispell grep diff rcs cvs fileutils shellutils
  34             textutils wdiff find emacs uudecode hello tar gzip indent
  35             recode release sed utils"
  36
  37
  38 # these libraries are built for the target environment, and are built after
  39 # the host libraries and the host tools (which may be a cross compiler)
  40 #
  41 target_libs="libm xiberty newlib libio libg++"
  42
  43 ## start-sanitize-chill
  44 target_libs="${target_libs} chill chillrt"
  45 ## end-sanitize-chill
  46
  47 # these tools are built using the target libs, and are intended to run only
  48 # in the target environment.  we currently have none.
  49 #
  50 # note: any program that *uses* libraries that are in the "target_libs"
  51 # list belongs in this list.  those programs are also very likely
  52 # candidates for the "native_only" list which follows
  53 #
  54 target_tools="groff"
  55
  56 ################################################################################
  57
  58 ## These two lists are of directories that are to be removed from the
  59 ## ${configdirs} list for either cross-compilations or for native-
  60 ## compilations.  For example, it doesn't make that much sense to
  61 ## cross-compile Emacs, nor is it terribly useful to compile xiberty in
  62 ## a native environment.
  63
  64 # directories to be built in the native environment only
  65 #
  66 native_only="autoconf cvs emacs fileutils find grep groff gzip hello indent
  67              ispell m4 rcs recode sed shellutils tar textutils gash tk uudecode wdiff
  68              gprof"
  69
  70 # directories to be built in a cross environment only
  71 #
  72 cross_only="xiberty newlib"
  73
  74 ## All tools belong in one of the four categories, and are assigned above
  75 #
  76 configdirs="${host_libs} ${host_tools} ${target_libs} ${target_tools}"
  77
  78 ################################################################################
  79
  80 srctrigger=move-if-change
  81 srcname="gnu development package"
  82
  83 # per-host:
  84
  85 case "${host}" in
  86   m68k-hp-hpux*)          host_makefile_frag=config/mh-hp300 ;;
  87   m68k-apollo-sysv*)      host_makefile_frag=config/mh-apollo68 ;;
  88   m68k-apollo-bsd*)       host_makefile_frag=config/mh-a68bsd ;;
  89   m88k-motorola-sysv*)    host_makefile_frag=config/mh-delta88;;
  90   m88k-dg-dgux*)          host_makefile_frag=config/mh-dgux ;;
  91   mips*-dec-ultrix*)      host_makefile_frag=config/mh-decstation ;;
  92   mips*-sgi-irix4*)       host_makefile_frag=config/mh-irix4 ;;
  93   mips*-sgi-irix3*)       host_makefile_frag=config/mh-sysv ;;
  94   mips*-*-sysv*)          host_makefile_frag=config/mh-riscos ;;
  95   i[34]86-ncr-sysv4*)     host_makefile_frag=config/mh-ncr3000 ;;
  96   i[34]86-*-sco*)         host_makefile_frag=config/mh-sco ;;
  97   i[34]86-*-isc*)         host_makefile_frag=config/mh-sysv ;;
  98   i[34]86-*-linux*)       host_makefile_frag=config/mh-linux ;;
  99   i[34]86-*-solaris2*)    host_makefile_frag=config/mh-sysv4 ;;
 100   i[34]86-*-aix*)         host_makefile_frag=config/mh-aix386 ;;
 101   vax-*-ultrix2*)         host_makefile_frag=config/mh-vaxult2 ;;
 102   *-ibm-aix*)             host_makefile_frag=config/mh-aix ;;
 103   *-bull-bosx*)           host_makefile_frag=config/mh-aix ;;
 104   *-*-solaris2*)          host_makefile_frag=config/mh-solaris ;;
 105   m68k-sun-*)             host_makefile_frag=config/mh-sun3 ;;
 106   *-sun-*)                host_makefile_frag=config/mh-sun ;;
 107   *-hp-hpux*)             host_makefile_frag=config/mh-hpux ;;
 108   *-*-hiux*)              host_makefile_frag=config/mh-hpux ;;
 109   *-*-lynxos*)            host_makefile_frag=config/mh-lynxos
 110                                 cross_only="xiberty" ;;
 111   *-*-sysv4*)             host_makefile_frag=config/mh-sysv4 ;;
 112   *-*-sysv*)              host_makefile_frag=config/mh-sysv ;;
 113 esac
 114
 115 # per-target:
 116
 117 gasdir=gas
 118 use_gnu_ld=
 119 use_gnu_as=
 120
 121 case "${target}" in
 122   hppa*-hp-hpux*)         target_makefile_frag=config/mt-hppa ;;
 123 esac
 124
 125 # some tools are so dependent upon X11 that if we're not building with X,
 126 # it's not even worth trying to configure, much less build, that tool.
 127
 128 case ${with_x} in
 129   yes | "")  # the default value for this tree is that X11 is available
 130         ;;
 131   no)
 132         configdirs=`echo ${configdirs} | sed -e 's/tk//;/gash//'`
 133         ;;
 134   *)
 135         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 136         ;;
 137 esac
 138
 139
 140
 141 # Some tools are only suitable for building in a "native" situation.
 142 # Those are added when we have a host==target configuration.  For cross
 143 # toolchains, we add some directories that should only be useful in a
 144 # cross-compiler.
 145
 146 if [ x"${host}" = x"${target}" ] ; then
 147         # when doing a native toolchain, don't build the targets
 148         # that are in the 'cross only' list
 149         for i in ${cross_only} ; do
 150           configdirs=`echo ${configdirs} | sed -e "s/$i//"`
 151         done
 152 else
 153         # similarly, don't build the targets in the 'native only'
 154         # list when building a cross compiler
 155         for i in ${native_only} ; do
 156           configdirs=`echo ${configdirs} | sed -e "s/$i//"`
 157         done
 158 fi
 159
 160 # Remove more programs from consideration, based on the host or
 161 # target this usually means that a port of the program doesn't
 162 # exist yet.
 163
 164 noconfigdirs=""
 165
 166 case "${host}" in
 167   i[34]86-*-netbsd*)
 168     noconfigdirs="tk fileutils"
 169     ;;
 170   i[34]86-*-go32)
 171     noconfigdirs="tcl expect deja-gnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff"
 172     ;;
 173 esac
 174
 175 case "${target}" in
 176   alpha-dec-osf1*)
 177     noconfigdirs="$noconfigdirs gas emacs fileutils grep libg++ libio"
 178     ;;
 179   h8300*-*-* | \
 180   h8500-*-*)
 181     noconfigdirs="$noconfigdirs libg++ libio"
 182 ## start-sanitize-chill
 183     noconfigdirs="$noconfigdirs chillrt"
 184 ## end-sanitize-chill
 185     ;;
 186   hppa*-*-osf)
 187     # Do configure ld/binutils/gas for this case.
 188     ;;
 189   hppa*-*-*)
 190     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 191     # cc is gcc, and on any system a user should be able to link cc to
 192     # whatever they want.  FIXME, emacs).
 193     case "${CC}" in
 194         "" | cc*) noconfigdirs="$noconfigdirs emacs" ;;
 195         *) ;;
 196     esac
 197     noconfigdirs="$noconfigdirs ld binutils shellutils"
 198     if [ -f ${srcdir}/pagas/configure.in ]; then
 199       configdirs=`echo ${configdirs} | sed -e 's/gas /pagas /'`
 200     else
 201       # It'll still DTRT if "gas" directory isn't here either.
 202       noconfigdirs="$noconfigdirs gas"
 203     fi
 204     gasdir=pagas
 205     ;;
 206   i[34]86-*-go32)
 207     # add the go32 support tools to the list
 208     configdirs=`echo go32 ${configdirs}`
 209     ;;
 210   i[34]86-*-solaris2*)
 211     # The linker does static linking correctly, but the Solaris C library
 212     # has bugs such that some important functions won't work when statically
 213     # linked.  (See man pages for getpwuid, for example.)
 214     noconfigdirs="$noconfigdirs ld"
 215     ;;
 216   i[34]86-*-sysv4*)
 217     # The SYSV4 C compiler doesn't handle Emacs correctly
 218     case "${CC}" in
 219         "" | cc*) noconfigdirs="$noconfigdirs emacs" ;;
 220         *) ;;
 221     esac
 222     # but that's okay since emacs doesn't work anyway
 223     noconfigdirs="$noconfigdirs emacs"
 224
 225     # static versions of several key libraries are not available,
 226     # so building our entire toolchain is impossible until
 227     # the GNU linker supports shared libraries
 228     noconfigdirs="$noconfigdirs ld"
 229     ;;
 230   rs6000-*-*)
 231     # a gcc built textutils will cause the linker to hang on 'join'
 232     noconfigdirs="$noconfigdirs ld binutils gas gprof textutils"
 233     ;;
 234   m68k-apollo-*)
 235     noconfigdirs="$noconfigdirs ld binutils gprof"
 236     ;;
 237   mips-*-*)
 238     noconfigdirs="$noconfigdirs gprof"
 239     ;;
 240   sh-*-*)
 241     case "${host}" in
 242       i[34]86-*-go32) ;; # don't add gprof back in
 243       *) configdirs=`echo gprof ${configdirs}` ;;
 244     esac
 245     ;;
 246   sparc-*-sunos4*)
 247     use_gnu_ld=no
 248     ;;
 249   sparc-*-solaris2*)
 250     # See i386-*-solaris2* above.
 251     noconfigdirs="$noconfigdirs ld"
 252     ;;
 253   i[34]86-*-sco*)
 254     noconfigdirs="$noconfigdirs gprof"
 255     ;;
 256   *-*-sysv4)
 257     use_gnu_ld=no
 258     ;;
 259   *-*-vms)
 260     noconfigdirs="$noconfigdirs bfd ld binutils gdb"
 261     ;;
 262 esac
 263
 264 notsupp=""
 265 for dir in . $noconfigdirs ; do
 266   if [ $dir != . ] && echo "# ${configdirs} #" | grep "${dir} " >/dev/null 2>&1 ; then
 267     configdirs=`echo $configdirs | sed -e "s/${dir} / /"`
 268     if [ -r $srcdir/$dir/configure ] || [ -r $srcdir/$dir/configure.in ]; then
 269       notsupp="$notsupp $dir"
 270     fi
 271   fi
 272 done
 273
 274 # Produce a warning message for the subdirs we can't configure.
 275 # This isn't especially interesting in the Cygnus tree, but in the individual
 276 # FSF releases, it's important to let people know when their machine isn't
 277 # supported by the one or two programs in a package.
 278
 279 if [ x"${notsupp}" != x ]; then
 280   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 281   echo "    ${notsupp}" 1>&2
 282   echo "    (Any other directories should still work fine.)" 1>&2
 283 fi
 284
 285 # Set with_gnu_as and with_gnu_ld as appropriate.
 286 #
 287 # This is done by determining whether or not the appropriate directory
 288 # is available, and by checking whether or not specific configurations
 289 # have requested that this magic not happen.
 290 #
 291 # The command line options always override the explicit settings in
 292 # configure.in, and the settings in configure.in override this magic.
 293 #
 294 # If the default for a toolchain is to use GNU as and ld, and you don't
 295 # want to do that, then you should use the --without-gnu-as and
 296 # --without-gnu-ld options for the configure script.
 297
 298 if [ x${use_gnu_as} = x ] ; then
 299   if [ x${with_gnu_as} != xno ] && echo ${configdirs} | grep "${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
 300     with_gnu_as=yes
 301     withoptions="$withoptions --with-gnu-as"
 302   fi
 303 fi
 304
 305 if [ x${use_gnu_ld} = x ] ; then
 306   if [ x${with_gnu_ld} != xno ] && echo ${configdirs} | grep ld > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
 307     with_gnu_ld=yes
 308     withoptions="$withoptions --with-gnu-ld"
 309   fi
 310 fi
 311
 312 #
 313 # Local Variables:
 314 # fill-column: 131
 315 # End:
 316 #