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
  44 # these tools are built using the target libs, and are intended to run only
  45 # in the target environment.  we currently have none.
  46 #
  47 # note: any program that *uses* libraries that are in the "target_libs"
  48 # list belongs in this list.  those programs are also very likely
  49 # candidates for the "native_only" list which follows
  50 #
  51 target_tools="groff"
  52
  53 ################################################################################
  54
  55 ## These two lists are of directories that are to be removed from the
  56 ## ${configdirs} list for either cross-compilations or for native-
  57 ## compilations.  For example, it doesn't make that much sense to
  58 ## cross-compile Emacs, nor is it terribly useful to compile xiberty in
  59 ## a native environment.
  60
  61 # directories to be built in the native environment only
  62 #
  63 native_only="autoconf cvs emacs fileutils find grep groff gzip hello indent
  64              ispell m4 rcs recode sed shellutils tar textutils gash tk uudecode wdiff
  65              gprof"
  66
  67 # directories to be built in a cross environment only
  68 #
  69 cross_only="xiberty newlib"
  70
  71 ## All tools belong in one of the four categories, and are assigned above
  72 ## We assign ${configdirs} this way to remove all embedded newlines.  This
  73 ## is important because configure will choke if they ever get through.
  74 #
  75 configdirs=`echo ${host_libs} ${host_tools} ${target_libs} ${target_tools}`
  76
  77 ################################################################################
  78
  79 srctrigger=move-if-change
  80 srcname="gnu development package"
  81
  82 # per-host:
  83
  84 case "${host}" in
  85   m68k-hp-hpux*)          host_makefile_frag=config/mh-hp300 ;;
  86   m68k-apollo-sysv*)      host_makefile_frag=config/mh-apollo68 ;;
  87   m68k-apollo-bsd*)       host_makefile_frag=config/mh-a68bsd ;;
  88   m88k-motorola-sysv*)    host_makefile_frag=config/mh-delta88;;
  89   m88k-dg-dgux*)          host_makefile_frag=config/mh-dgux ;;
  90   mips*-dec-ultrix*)      host_makefile_frag=config/mh-decstation ;;
  91   mips*-sgi-irix5*)       host_makefile_frag=config/mh-irix5 ;;
  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   rs6000-*-lynxos*)       host_makefile_frag=config/mh-lynxosrs6k
 110                                 cross_only="xiberty" ;;
 111   *-*-lynxos*)            host_makefile_frag=config/mh-lynxos
 112                                 cross_only="xiberty" ;;
 113   *-*-sysv4*)             host_makefile_frag=config/mh-sysv4 ;;
 114   *-*-sysv*)              host_makefile_frag=config/mh-sysv ;;
 115 esac
 116
 117 # per-target:
 118
 119 gasdir=gas
 120 use_gnu_ld=
 121 use_gnu_as=
 122
 123 # some tools are so dependent upon X11 that if we're not building with X,
 124 # it's not even worth trying to configure, much less build, that tool.
 125
 126 case ${with_x} in
 127   yes | "")  # the default value for this tree is that X11 is available
 128         ;;
 129   no)
 130         configdirs=`echo " ${configdirs} " | sed -e 's/ tk / /;/ gash / /'`
 131         ;;
 132   *)
 133         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 134         ;;
 135 esac
 136
 137
 138
 139 # Some tools are only suitable for building in a "native" situation.
 140 # Those are added when we have a host==target configuration.  For cross
 141 # toolchains, we add some directories that should only be useful in a
 142 # cross-compiler.
 143
 144 if [ x"${host}" = x"${target}" ] ; then
 145         # when doing a native toolchain, don't build the targets
 146         # that are in the 'cross only' list
 147         for i in ${cross_only} ; do
 148           configdirs=`echo " ${configdirs} " | sed -e "s/ $i / /"`
 149         done
 150 else
 151         # similarly, don't build the targets in the 'native only'
 152         # list when building a cross compiler
 153         for i in ${native_only} ; do
 154           configdirs=`echo " ${configdirs} " | sed -e "s/ $i / /"`
 155         done
 156 fi
 157
 158 # Remove more programs from consideration, based on the host or
 159 # target this usually means that a port of the program doesn't
 160 # exist yet.
 161
 162 noconfigdirs=""
 163
 164 case "${host}" in
 165   i[34]86-*-netbsd*)
 166     noconfigdirs="tk fileutils"
 167     ;;
 168   i[34]86-*-vsta)
 169     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff"
 170     ;;
 171   i[34]86-*-go32)
 172     noconfigdirs="tcl expect deja-gnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff"
 173     ;;
 174 esac
 175
 176 case "${target}" in
 177   alpha-dec-osf1*)
 178     noconfigdirs="$noconfigdirs emacs fileutils grep newlib"
 179     ;;
 180   alpha*-*-*)
 181     noconfigdirs="$noconfigdirs newlib"
 182     ;;
 183   h8300*-*-* | \
 184   h8500-*-*)
 185     noconfigdirs="$noconfigdirs libg++ libio"
 186     ;;
 187   hppa*-*-*elf*)
 188     # Do configure ld/binutils/gas for this case.
 189     ;;
 190   hppa*-*-*)
 191     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 192     # cc is gcc, and on any system a user should be able to link cc to
 193     # whatever they want.  FIXME, emacs).
 194     case "${CC}" in
 195         "" | cc*) noconfigdirs="$noconfigdirs emacs" ;;
 196         *) ;;
 197     esac
 198     noconfigdirs="$noconfigdirs ld binutils shellutils"
 199     ;;
 200   i[34]86-*-go32)
 201     # add the go32 support tools to the list
 202     configdirs=`echo go32 ${configdirs}`
 203     ;;
 204   i[34]86-*-solaris2*)
 205     # The linker does static linking correctly, but the Solaris C library
 206     # has bugs such that some important functions won't work when statically
 207     # linked.  (See man pages for getpwuid, for example.)
 208     noconfigdirs="$noconfigdirs ld"
 209     ;;
 210   i[34]86-*-sysv4*)
 211     # The SYSV4 C compiler doesn't handle Emacs correctly
 212     case "${CC}" in
 213         "" | cc*) noconfigdirs="$noconfigdirs emacs" ;;
 214         *) ;;
 215     esac
 216     # but that's okay since emacs doesn't work anyway
 217     noconfigdirs="$noconfigdirs emacs"
 218
 219     # static versions of several key libraries are not available,
 220     # so building our entire toolchain is impossible until
 221     # the GNU linker supports shared libraries
 222     noconfigdirs="$noconfigdirs ld"
 223     ;;
 224   rs6000-*-*)
 225     # a gcc built textutils will cause the linker to hang on 'join'
 226     # The CVS server code doesn't work on the RS/6000
 227     noconfigdirs="$noconfigdirs ld binutils gprof textutils cvs"
 228     ;;
 229   m68k-apollo-*)
 230     noconfigdirs="$noconfigdirs ld binutils gprof"
 231     ;;
 232   mips*-*-irix5*)
 233     # The GNU linker does not support shared libraries.
 234     noconfigdirs="$noconfigdirs ld gprof"
 235     ;;
 236   mips*-*-*)
 237     noconfigdirs="$noconfigdirs gprof"
 238     ;;
 239   sh-*-*)
 240     case "${host}" in
 241       i[34]86-*-vsta) ;; # don't add gprof back in
 242       *) configdirs=`echo gprof ${configdirs}` ;;
 243       i[34]86-*-go32) ;; # don't add gprof back in
 244       *) configdirs=`echo gprof ${configdirs}` ;;
 245     esac
 246     ;;
 247   sparc-*-sunos4*)
 248     use_gnu_ld=no
 249     ;;
 250   sparc-*-solaris2*)
 251     # See i386-*-solaris2* above.
 252     noconfigdirs="$noconfigdirs ld"
 253     ;;
 254   i[34]86-*-sco*)
 255     noconfigdirs="$noconfigdirs gprof"
 256     ;;
 257   *-*-sysv4)
 258     use_gnu_ld=no
 259     ;;
 260   *-*-vms)
 261     noconfigdirs="$noconfigdirs bfd ld binutils gdb"
 262     ;;
 263 esac
 264
 265 notsupp=""
 266 for dir in . $noconfigdirs ; do
 267   if [ $dir != . ] && echo "# ${configdirs} #" | grep "${dir} " >/dev/null 2>&1 ; then
 268     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 269     if [ -r $srcdir/$dir/configure ] || [ -r $srcdir/$dir/configure.in ]; then
 270       notsupp="$notsupp $dir"
 271     fi
 272   fi
 273 done
 274
 275 # Produce a warning message for the subdirs we can't configure.
 276 # This isn't especially interesting in the Cygnus tree, but in the individual
 277 # FSF releases, it's important to let people know when their machine isn't
 278 # supported by the one or two programs in a package.
 279
 280 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
 281   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 282   echo "    ${notsupp}" 1>&2
 283   echo "    (Any other directories should still work fine.)" 1>&2
 284 fi
 285
 286 # Set with_gnu_as and with_gnu_ld as appropriate.
 287 #
 288 # This is done by determining whether or not the appropriate directory
 289 # is available, and by checking whether or not specific configurations
 290 # have requested that this magic not happen.
 291 #
 292 # The command line options always override the explicit settings in
 293 # configure.in, and the settings in configure.in override this magic.
 294 #
 295 # If the default for a toolchain is to use GNU as and ld, and you don't
 296 # want to do that, then you should use the --without-gnu-as and
 297 # --without-gnu-ld options for the configure script.
 298
 299 if [ x${use_gnu_as} = x ] ; then
 300   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
 301     with_gnu_as=yes
 302     withoptions="$withoptions --with-gnu-as"
 303   fi
 304 fi
 305
 306 if [ x${use_gnu_ld} = x ] ; then
 307   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
 308     with_gnu_ld=yes
 309     withoptions="$withoptions --with-gnu-ld"
 310   fi
 311 fi
 312
 313 #
 314 # Local Variables:
 315 # fill-column: 131
 316 # End:
 317 #