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 # This gets set non-empty for some net releases of packages.
  83 appdirs=""
  84
  85 # per-host:
  86
  87 # Work in distributions that contain no compiler tools, like Autoconf.
  88 if [ -d ${srcdir}/config ]; then
  89 case "${host}" in
  90   m68k-hp-hpux*)          host_makefile_frag=config/mh-hp300 ;;
  91   m68k-apollo-sysv*)      host_makefile_frag=config/mh-apollo68 ;;
  92   m68k-apollo-bsd*)       host_makefile_frag=config/mh-a68bsd ;;
  93   m88k-motorola-sysv*)    host_makefile_frag=config/mh-delta88;;
  94   m88k-dg-dgux*)          host_makefile_frag=config/mh-dgux ;;
  95   mips*-dec-ultrix*)      host_makefile_frag=config/mh-decstation ;;
  96   mips*-sgi-irix5*)       host_makefile_frag=config/mh-irix5 ;;
  97   mips*-sgi-irix4*)       host_makefile_frag=config/mh-irix4 ;;
  98   mips*-sgi-irix3*)       host_makefile_frag=config/mh-sysv ;;
  99   mips*-*-sysv4*)         host_makefile_frag=config/mh-sysv4 ;;
 100   mips*-*-sysv*)          host_makefile_frag=config/mh-riscos ;;
 101   i[34]86-ncr-sysv43)     host_makefile_frag=config/mh-ncrsvr43 ;;
 102   i[34]86-ncr-sysv4*)     host_makefile_frag=config/mh-ncr3000 ;;
 103   i[34]86-*-sco*)         host_makefile_frag=config/mh-sco ;;
 104   i[34]86-*-isc*)         host_makefile_frag=config/mh-sysv ;;
 105   i[34]86-*-linux*)       host_makefile_frag=config/mh-linux ;;
 106   i[34]86-*-solaris2*)    host_makefile_frag=config/mh-sysv4 ;;
 107   i[34]86-*-aix*)         host_makefile_frag=config/mh-aix386 ;;
 108   i[34]86-*-go32*)        host_makefile_frag=config/mh-go32 ;;
 109   vax-*-ultrix2*)         host_makefile_frag=config/mh-vaxult2 ;;
 110   *-ibm-aix*)             host_makefile_frag=config/mh-aix ;;
 111   *-bull-bosx*)           host_makefile_frag=config/mh-aix ;;
 112   *-*-solaris2*)          host_makefile_frag=config/mh-solaris ;;
 113   m68k-sun-*)             host_makefile_frag=config/mh-sun3 ;;
 114   *-sun-*)                host_makefile_frag=config/mh-sun ;;
 115   *-hp-hpux*)             host_makefile_frag=config/mh-hpux ;;
 116   *-*-hiux*)              host_makefile_frag=config/mh-hpux ;;
 117   rs6000-*-lynxos*)       host_makefile_frag=config/mh-lynxrs6k ;;
 118   *-*-lynxos*)            host_makefile_frag=config/mh-lynxos ;;
 119   *-*-sysv4*)             host_makefile_frag=config/mh-sysv4 ;;
 120   *-*-sysv*)              host_makefile_frag=config/mh-sysv ;;
 121 esac
 122 fi
 123
 124 # per-target:
 125
 126 case "${target}" in
 127   v810*)                target_makefile_frag=config/mt-v810 ;;
 128 esac
 129
 130 gasdir=gas
 131 use_gnu_ld=
 132 use_gnu_as=
 133
 134 # some tools are so dependent upon X11 that if we're not building with X,
 135 # it's not even worth trying to configure, much less build, that tool.
 136
 137 case ${with_x} in
 138   yes | "")  # the default value for this tree is that X11 is available
 139         ;;
 140   no)
 141         configdirs=`echo " ${configdirs} " | sed -e 's/ tk / /;/ gash / /'`
 142         ;;
 143   *)
 144         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 145         ;;
 146 esac
 147
 148
 149
 150 # Some tools are only suitable for building in a "native" situation.
 151 # Those are added when we have a host==target configuration.  For cross
 152 # toolchains, we add some directories that should only be useful in a
 153 # cross-compiler.
 154
 155 is_cross_compiler=
 156
 157 if [ x"${host}" = x"${target}" ] ; then
 158         # when doing a native toolchain, don't build the targets
 159         # that are in the 'cross only' list
 160         for i in ${cross_only} ; do
 161           configdirs=`echo " ${configdirs} " | sed -e "s/ $i / /"`
 162         done
 163         is_cross_compiler=no
 164 else
 165         # similarly, don't build the targets in the 'native only'
 166         # list when building a cross compiler
 167         for i in ${native_only} ; do
 168           configdirs=`echo " ${configdirs} " | sed -e "s/ $i / /"`
 169         done
 170         is_cross_compiler=yes
 171 fi
 172
 173 # Configure extra directories which are host specific
 174
 175 case "${host}" in
 176   i[34]86-*-go32*)
 177                   configdirs="$configdirs dosrel" ;;
 178 esac
 179
 180 # Remove more programs from consideration, based on the host or
 181 # target this usually means that a port of the program doesn't
 182 # exist yet.
 183
 184 noconfigdirs=""
 185
 186 case "${host}" in
 187   i[34]86-*-netbsd*)
 188     noconfigdirs="tk fileutils"
 189     ;;
 190   i[34]86-*-vsta)
 191     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff"
 192     ;;
 193   i[34]86-*-go32)
 194     noconfigdirs="tcl expect deja-gnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff"
 195     ;;
 196 esac
 197
 198
 199
 200
 201
 202 case "${target}" in
 203   alpha-dec-osf1*)
 204     noconfigdirs="$noconfigdirs emacs fileutils grep newlib"
 205     ;;
 206   alpha*-*-*)
 207     noconfigdirs="$noconfigdirs newlib"
 208     ;;
 209   h8300*-*-* | \
 210   h8500-*-*)
 211     noconfigdirs="$noconfigdirs libg++ libio"
 212     ;;
 213   hppa*-*-*elf*)
 214     # Do configure ld/binutils/gas for this case.
 215     ;;
 216   hppa*-*-*)
 217     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 218     # cc is gcc, and on any system a user should be able to link cc to
 219     # whatever they want.  FIXME, emacs).
 220     case "${CC}" in
 221         "" | cc*) noconfigdirs="$noconfigdirs emacs" ;;
 222         *) ;;
 223     esac
 224     noconfigdirs="$noconfigdirs ld shellutils"
 225     ;;
 226   i[34]86-*-go32)
 227     # add the go32 support tools to the list
 228     # but don't build gdb
 229     configdirs=`echo go32 ${configdirs}`
 230     noconfigdirs="$noconfigdirs gdb libg++ libio"
 231     ;;
 232   i[34]86-*-sco*)
 233     noconfigdirs="$noconfigdirs gprof"
 234     ;;
 235   i[34]86-*-solaris2*)
 236     # The linker does static linking correctly, but the Solaris C library
 237     # has bugs such that some important functions won't work when statically
 238     # linked.  (See man pages for getpwuid, for example.)
 239     noconfigdirs="$noconfigdirs ld"
 240     ;;
 241   i[34]86-*-sysv4*)
 242     # The SYSV4 C compiler doesn't handle Emacs correctly
 243     case "${CC}" in
 244         "" | cc*) noconfigdirs="$noconfigdirs emacs" ;;
 245         *) ;;
 246     esac
 247     # but that's okay since emacs doesn't work anyway
 248     noconfigdirs="$noconfigdirs emacs"
 249     ;;
 250   powerpc-*-aix*)
 251     # copied from rs6000-*-* entry
 252     noconfigdirs="$noconfigdirs ld binutils gprof textutils cvs"
 253     ;;
 254   rs6000-*-lynxos*)
 255     # a gcc built textutils will cause the linker to hang on 'join'
 256     # The CVS server code doesn't work on the RS/6000
 257     # Newlib makes problems for libg++ in crosses.
 258     noconfigdirs="$noconfigdirs gas ld newlib gprof textutils cvs"
 259     use_gnu_ld=no
 260     use_gnu_as=no
 261     ;;
 262   rs6000-*-*)
 263     # a gcc built textutils will cause the linker to hang on 'join'
 264     noconfigdirs="$noconfigdirs ld binutils gprof textutils"
 265     ;;
 266   m68k-apollo-*)
 267     noconfigdirs="$noconfigdirs ld binutils gprof"
 268     ;;
 269   mips*-*-irix5*)
 270     # The GNU linker does not support shared libraries.
 271     noconfigdirs="$noconfigdirs ld gprof"
 272     ;;
 273   mips*-dec-bsd*)
 274     noconfigdirs="$noconfigdirs gprof"
 275     ;;
 276   mips*-*-bsd*)
 277     noconfigdirs="$noconfigdirs gprof ld"
 278     ;;
 279   mips*-*-*)
 280     noconfigdirs="$noconfigdirs gprof"
 281     ;;
 282   romp-*-*)
 283     noconfigdirs="bfd binutils ld gas opcodes"
 284     ;;
 285   sh-*-*)
 286     case "${host}" in
 287       i[34]86-*-vsta) ;; # don't add gprof back in
 288       *) configdirs=`echo gprof ${configdirs}` ;;
 289       i[34]86-*-go32) ;; # don't add gprof back in
 290       *) configdirs=`echo gprof ${configdirs}` ;;
 291     esac
 292     ;;
 293   sparc-*-sunos4*)
 294     if [ x${is_cross_compiler} != xno ] ; then
 295            noconfigdirs="$noconfigdirs gdb gdbtest newlib sim dejagnu expect tcl"
 296     else
 297            use_gnu_ld=no
 298     fi
 299     ;;
 300   vax-*-vms)
 301     noconfigdirs="$noconfigdirs bfd binutils gdb ld newlib opcodes"
 302     ;;
 303   vax-*-*)
 304     noconfigdirs="$noconfigdirs newlib"
 305     ;;
 306   *-*-lynxos*)
 307      # Newlib makes problems for libg++ in crosses.
 308      noconfigdirs="$noconfigdirs newlib"
 309      ;;
 310 esac
 311
 312 notsupp=""
 313 for dir in . $noconfigdirs ; do
 314   if [ $dir != . ] && echo "# ${configdirs} #" | grep "${dir} " >/dev/null 2>&1 ; then
 315     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 316     if [ -r $srcdir/$dir/configure ] || [ -r $srcdir/$dir/configure.in ]; then
 317       notsupp="$notsupp $dir"
 318     fi
 319   fi
 320 done
 321
 322 # Produce a warning message for the subdirs we can't configure.
 323 # This isn't especially interesting in the Cygnus tree, but in the individual
 324 # FSF releases, it's important to let people know when their machine isn't
 325 # supported by the one or two programs in a package.
 326
 327 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
 328   # If $appdirs is non-empty, at least one of those directories must still
 329   # be configured, or we error out.  (E.g., if the gas release supports a
 330   # specified target in some subdirs but not the gas subdir, we shouldn't
 331   # pretend that all is well.)
 332   if [ -n "$appdirs" ]; then
 333     for dir in $appdirs ; do
 334       if [ -r $dir/Makefile.in ] && echo "# ${configdirs} #" | grep "${dir} " >/dev/null 2>&1 ; then
 335         appdirs=""
 336         break
 337       fi
 338     done
 339     if [ -n "$appdirs" ]; then
 340       echo "*** This configuration is not supported by this package." 1>&2
 341       exit 1
 342     fi
 343   fi
 344   # Okay, some application will build, or we don't care to check.  Still
 345   # notify of subdirs not getting built.
 346   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 347   echo "    ${notsupp}" 1>&2
 348   echo "    (Any other directories should still work fine.)" 1>&2
 349 fi
 350
 351 # Set with_gnu_as and with_gnu_ld as appropriate.
 352 #
 353 # This is done by determining whether or not the appropriate directory
 354 # is available, and by checking whether or not specific configurations
 355 # have requested that this magic not happen.
 356 #
 357 # The command line options always override the explicit settings in
 358 # configure.in, and the settings in configure.in override this magic.
 359 #
 360 # If the default for a toolchain is to use GNU as and ld, and you don't
 361 # want to do that, then you should use the --without-gnu-as and
 362 # --without-gnu-ld options for the configure script.
 363
 364 if [ x${use_gnu_as} = x ] ; then
 365   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
 366     with_gnu_as=yes
 367     withoptions="$withoptions --with-gnu-as"
 368   fi
 369 fi
 370
 371 if [ x${use_gnu_ld} = x ] ; then
 372   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
 373     with_gnu_ld=yes
 374     withoptions="$withoptions --with-gnu-ld"
 375   fi
 376 fi
 377
 378 #
 379 # Local Variables:
 380 # fill-column: 131
 381 # End:
 382 #