code.delx.au - gnu-emacs/blob - configure1.in

   1 #!/bin/sh
   2 # Configuration script for GNU Emacs
   3 #   Copyright (C) 1992 Free Software Foundation, Inc.
   4
   5 #This file is part of GNU Emacs.
   6
   7 #GNU Emacs is free software; you can redistribute it and/or modify
   8 #it under the terms of the GNU General Public License as published by
   9 #the Free Software Foundation; either version 1, or (at your option)
  10 #any later version.
  11
  12 #GNU Emacs is distributed in the hope that it will be useful,
  13 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #GNU General Public License for more details.
  16
  17 #You should have received a copy of the GNU General Public License
  18 #along with GNU Emacs; see the file COPYING.  If not, write to
  19 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21 # Shell script to edit files and make symlinks in preparation for
  22 # compiling Emacs.
  23 #
  24 # Usage: configure machine
  25 #
  26 # If configure succeeds, it leaves its status in config.status.
  27 # If configure fails after disturbing the status quo,
  28 #       config.status is removed.
  29 #
  30
  31 progname=$0
  32
  33 short_usage="Type \`${progname} -usage' for more information about options."
  34
  35 usage_message="Usage: ${progname} MACHINENAME [-OPTION[=VALUE] ...]
  36 Set compilation and installation parameters for GNU Emacs, and report.
  37 MACHINENAME is the machine to build for.  See \`etc/MACHINES'.
  38 Options are:
  39   -opsystem=SYSTEM - operating system to build for; see \`etc/MACHINES'.
  40   -libroot=DIR - where to install Emacs's library files
  41 These options have reasonable defaults (in []s), and may not be needed:
  42   -g, -O - Passed to the compiler.  If omitted, use -O only.
  43   -cc=COMPILER - Which compiler to use.  Defaults to gcc if available.
  44   -libdir=DIR - where to look for arch-dependent library files
  45   -datadir=DIR - where to look for architecture-independent library files
  46   -bindir=DIR - where to install the Emacs executable, and some friends
  47   -lisppath=PATH - colon-separated list of Elisp directories
  48   -lockdir=DIR - where Emacs should do its file-locking stuff
  49   -window_system=none or [x11, if it is installed] - what window system to use
  50   -have_x_menu=yes or [no] - include menu support under X11
  51   -gnu_malloc=[yes] or no - use the GNU memory allocator
  52   -rel_alloc=[yes] or no - use compacting allocator for buffers
  53   -highpri=N - run at N points higher-than-normal priority
  54   -lisp_float_type=[yes] or no - Support native floating point in Elisp
  55 If successful, ${progname} leaves its status in config.status.  If
  56 unsuccessful after disturbing the status quo, config.status is removed."
  57
  58 if [ ! -r ./src/lisp.h ]; then
  59   echo "${progname}: Can't find Emacs sources in \`./src'.
  60 Run this config script in the top directory of the Emacs source tree." 1>&2
  61   exit 1
  62 fi
  63
  64 options=":\
  65 usage:help:\
  66 machine:opsystem:\
  67 g:O:cc:\
  68 libroot:datadir:libdir:bindir:lisppath:lockdir:\
  69 gnu_malloc:rel_alloc:highpri:lisp_float_type:\
  70 window_system:have_x_menu:\
  71 "
  72
  73 boolean_opts=":\
  74 g:O:\
  75 gnu_malloc:rel_alloc:lisp_float_type:have_x_menu:\
  76 "
  77
  78 config_h_opts=":\
  79 highpri:gnu_malloc:rel_alloc:lisp_float_type:\
  80 have_x_windows:have_x11:have_x_menu:\
  81 c_switch_site:sigtype:\
  82 "
  83
  84 libroot=
  85 bindir=/usr/local/bin
  86 gnu_malloc=yes
  87 lisp_float_type=yes
  88
  89 # The default values for the following options are guessed at after other
  90 # options have been checked and given values, so we set them to null here.
  91 lisppath=""
  92 datadir=""
  93 libdir=""
  94 lockdir=""
  95 window_system=""
  96 have_x_menu=""
  97
  98 # This must be the only option on the line, and it can't be abbreviated.
  99 # This keeps it from interfering with the other, documented options.
 100 if [ "$*" = "+distribute" ]; then
 101   libroot=/usr/local/lib/emacs
 102   machine=hp300bsd
 103   opsystem=bsd4-3
 104   shift
 105 fi
 106
 107 echo "Examining options..."
 108 for arg in $*; do
 109   case "${arg}" in
 110     -*)
 111       # Separate the switch name from the value it's being given.
 112       case "${arg}" in
 113         -*=* )
 114           opt=`echo ${arg} | sed 's:^-\([^=]*\)=.*$:\1:'`
 115           val=`echo ${arg} | sed 's:^-[^=]*=\(.*\)$:\1:'`
 116           valomitted=no
 117         ;;
 118         -* )
 119           # If FOO is a boolean argument, -FOO is equivalent to -FOO=yes.
 120           opt=`echo ${arg} | sed 's:^-\(.*\)$:\1:'`
 121           val="yes"
 122           valomitted=yes
 123         ;;
 124       esac
 125
 126       # Make sure the argument is valid and unambiguous.
 127       case ${options} in
 128         *:${opt}:* )    # Exact match.
 129           optvar=${opt}
 130         ;;
 131         *:${opt}*:${opt}*:* )   # Ambiguous prefix.
 132           echo "\`-${opt}' is an ambiguous switch; it could be any of the following:"
 133           echo `echo ${options} | tr ':' '\012' | grep '^'${opt}`
 134           echo ${short_usage}
 135           exit 1
 136         ;;
 137         *:${opt}*:* )           # Unambigous prefix.
 138           optvar=`echo ${options} | sed 's/^.*:\('${opt}'[^:]*\):.*$/\1/'`
 139         ;;
 140         * )
 141           (echo "\`-${opt}' is not a valid option."
 142            echo "${short_usage}") | more
 143           exit 1
 144         ;;
 145       esac
 146
 147       case "${optvar}" in
 148         usage | help)
 149           echo "${usage_message}" | more
 150           exit 1
 151         ;;
 152       esac
 153
 154       # If the variable is supposed to be boolean, make sure the value
 155       # given is either "yes" or "no".  If not, make sure some value
 156       # was given.
 157       case "${boolean_opts}" in
 158         *:${optvar}:* )
 159           case "${val}" in
 160             y | ye | yes )      val=yes ;;
 161             n | no )            val=no  ;;
 162             * )
 163               echo "The \`-${optvar}' option (\`-${opt}') is supposed to have a boolean
 164   value - set it to either \`yes' or \`no'." 1>&2
 165               exit 1
 166             ;;
 167           esac
 168         ;;
 169         *)
 170           if [ "${valomitted}" = "yes" ]; then
 171             (echo "${progname}: You must give a value for the \`-${opt}' option, as in
 172   \`-${opt}=FOO'."
 173              echo "${short_usage}") | more
 174             exit 1
 175           fi
 176         ;;
 177       esac
 178
 179       eval "${optvar}=\"${val}\""
 180     ;;
 181     *)
 182       machine=${arg}
 183     ;;
 184   esac
 185 done
 186
 187 if [ "${machine}" = "" ]; then
 188   (echo "You must specify a machine name as an argument to ${progname}."
 189    echo "${short_usage}") | more
 190   exit 1
 191 fi
 192
 193 echo "Checking machine..."
 194 machfile="m/${machine}.h"
 195 if [ ! -r src/${machfile} ]; then
 196   echo "${progname}: Emacs has no configuration info for the machine called
 197 \`${machine}'.  Look at etc/MACHINES for the names of machines
 198 that Emacs has been ported to." 1>&2
 199   exit 1
 200 fi
 201
 202 echo "Checking operating system..."
 203 if [ "${opsystem}" = "" ]; then
 204
 205   echo "  No operating system explicitly specified."
 206   echo "  Guessing, based on machine..."
 207   # Get the default operating system to go with the specified machine.
 208   opsystem=`grep 'USUAL-OPSYS="' src/${machfile} \
 209             | sed 's/^.*USUAL-OPSYS="\([^"]*\)".*$/\1/'`
 210
 211   if [ "${opsystem}" = "" ]; then
 212     echo "${progname}: Emacs's configuration files don't suggest what operating
 213 system a \`${machine}' machine might run.  Try specifying the
 214 operating system explicitly by passing ${progname} an
 215 \`-opsystem=SYSTEM-NAME' flag.  Look at etc/MACHINES for the
 216 names of operating systems that Emacs has been ported to." 1>&2
 217     exit 1
 218   fi
 219
 220   if [ "${opsystem}" = "note" ]; then
 221     echo "The \`${machine}' machine can be used with more than one operating
 222 system, and Emacs's configuration info isn't clever enough to figure
 223 out which one you're running.  Run ${progname} with -machine and
 224 -opsystem arguments as specified below for the appropriate system.
 225 (This information comes from the file \`etc/MACHINES' - see that
 226 file for more detail.)
 227
 228 " 1>&2
 229     sed < src/${machfile} -e '1,/NOTE-START/d' -e '/NOTE-END/,$d' | more
 230     echo
 231     exit 1
 232   fi
 233
 234   opsysfile="s/${opsystem}.h"
 235   if [ ! -r src/${opsysfile} ]; then
 236     echo "${progname}: Emacs's configuration files say that the default
 237 operating system for the machine \`${machine}' is \`${opsystem}',
 238 but there is no configuration file for \`${opsystem}', so Emacs's
 239 default info is screwed up.  Try specifying the operating system
 240 explicitly by passing ${progname} an \`-opsystem=SYSTEM-NAME' flag." 1>&2
 241     exit 1
 242   fi
 243 else
 244   opsysfile="s/${opsystem}.h"
 245   if [ ! -r src/${opsysfile} ]; then
 246     echo "${progname}: Emacs has no configuration info for the operating system
 247 \`${opsystem}'.  Look at etc/MACHINES for the names of operating
 248 systems that Emacs has been ported to." 1>&2
 249     exit 1
 250   fi
 251 fi
 252
 253 if [ "${libroot}" = "" ]; then
 254   echo "Guessing library directory..."
 255   libroot=`/bin/pwd`
 256 fi
 257
 258 echo "Checking window system..."
 259 window_system="`echo ${window_system} | tr A-Z a-z`"
 260 case "${window_system}" in
 261   "none" | "x11" | "x10" ) ;;
 262   "x" ) window_system=x11 ;;
 263   "" )
 264     echo "  No window system specifed.  Looking for X Windows."
 265     window_system=none
 266     if [ -r /usr/lib/libX11.a -a -d /usr/include/X11 ]; then
 267       window_system=x11
 268     fi
 269   ;;
 270   * )
 271     echo "The \`-window_system' option must be set to \`none' or \`X11'." 1>&2
 272     exit 1
 273   ;;
 274 esac
 275
 276 case "${window_system}" in
 277   x11 )
 278     have_x_windows=yes
 279     have_x11=yes
 280   ;;
 281   x10 )
 282     have_x_windows=yes
 283     have_x11=no
 284   ;;
 285   none )
 286     have_x_windows=no
 287     have_x11=no
 288   ;;
 289 esac
 290
 291 # What is the return type of a signal handler?  We grep
 292 # /usr/include/signal.h for the declaration of the signal function.
 293 # Yuck.
 294 echo "Looking for return type of signal handler functions..."
 295 if [ -r /usr/include/signal.h ]; then
 296   sigpattern='[         ]*([    ]*\*[   ]*signal[       ]*('
 297   sigtype=void
 298   if grep -s "int${sigpattern}" /usr/include/signal.h; then
 299     sigtype=int
 300   fi
 301 fi
 302
 303
 304 # Do the opsystem or machine files prohibit the use of the GNU malloc?
 305 echo "Checking to see if the GNU malloc routines are permissible..."
 306 if (cd ./src;grep SYSTEM_MALLOC ${opsysfile} ${machfile} > /dev/null); then
 307   gnu_malloc=no
 308   gnu_malloc_reason="
 309   (The GNU allocators don't work with this machine and/or operating system.)"
 310 fi
 311
 312 rel_alloc=${gnu_malloc}
 313
 314 if [ "${have_x_menu}" = "" ]; then
 315   have_x_menu=no
 316 fi
 317
 318 if [ "${lisppath}" = "" ]; then
 319   lisppath=${libroot}/local-lisp:${libroot}/lisp
 320 fi
 321
 322 if [ "${datadir}" = "" ]; then
 323   datadir=${libroot}/etc
 324 fi
 325
 326 if [ "${libdir}" = "" ]; then
 327   libdir=${libroot}/arch-lib
 328 fi
 329
 330 if [ "${lockdir}" = "" ]; then
 331   lockdir=${libroot}/lock
 332 fi
 333
 334 echo "Checking for GCC..."
 335 case "${cc}" in
 336   "" )
 337     temppath=`echo $PATH | sed 's/^:/.:/
 338                                 s/::/:.:/g
 339                                 s/:$/:./
 340                                 s/:/ /g'`
 341     cc=`(
 342       for dir in ${temppath}; do
 343         if [ -f ${dir}/gcc ]; then echo gcc; exit 0; fi
 344       done
 345       echo cc
 346     )`
 347   ;;
 348 esac
 349
 350 case "${O},${g},${cc}" in
 351   ,,gcc ) O=yes; g=yes ;;
 352   ,,*   ) O=yes; g=no  ;;
 353 esac
 354
 355 echo "Guessing which libraries the lib-src programs will want,"
 356 echo "  based on the machine- and system-dependent files..."
 357 echo '#include "src/'${machfile}'"
 358 #include "src/'${opsysfile}'"
 359 #ifndef LIBS_MACHINE
 360 #define LIBS_MACHINE
 361 #endif
 362 #ifndef LIBS_SYSTEM
 363 #define LIBS_SYSTEM
 364 #endif
 365 libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 366 ' > config-tmp-$$.c
 367 eval `${cc} -E config-tmp-$$.c | grep 'libsrc_libs='`
 368 rm config-tmp-$$.c
 369
 370 rm -f config.status
 371 set -e
 372
 373 # Make the proper settings in the config file.
 374 echo "Making src/config.h from src/config.h-dist"
 375 if [ "${highpri}" != "" ]; then
 376   highpri="(-${highpri})"
 377 fi
 378 case "${g}" in
 379   "yes" ) c_switch_site="${c_switch_site} -g" ;;
 380 esac
 381 case "${O}" in
 382   "yes" ) c_switch_site="${c_switch_site} -O" ;;
 383 esac
 384 sed_flags="-e 's:@machine@:${machfile}:'"
 385 sed_flags="${sed_flags} -e 's:@opsystem@:${opsysfile}:'"
 386 for flag in `echo ${config_h_opts} | tr ':' ' '`; do
 387   cflagname=`echo ${flag} | tr a-z A-Z`
 388   val=`eval echo '$'${flag}`
 389   case ${val} in
 390     no | "")
 391       f="-e 's:.*#define ${cflagname}.*:/\\* #define ${cflagname} \\*/:'"
 392     ;;
 393     yes)
 394       f="-e 's:.*#define ${cflagname}.*:#define ${cflagname}:'"
 395     ;;
 396     *)
 397       f="-e 's:.*#define ${cflagname}.*:#define ${cflagname} ${val}:'"
 398     ;;
 399   esac
 400   sed_flags="${sed_flags} ${f}"
 401 done
 402 eval '/bin/sed '${sed_flags}' < src/config.h-dist > src/config.h'
 403
 404 # Modify the parameters in the top makefile.
 405 echo "Editing ./Makefile..."
 406 tempMakefile="tempMakefile"$$
 407 /bin/sed < Makefile > ${tempMakefile}                   \
 408 -e 's;^\(LIBROOT=\).*$;\1'"${libroot};"                 \
 409 -e 's;^\(BINDIR=\).*$;\1'"${bindir};"                   \
 410 -e 's;^\(LISPPATH=\).*$;\1'"${lisppath};"               \
 411 -e 's;^\(DATADIR=\).*$;\1'"${datadir};"                 \
 412 -e 's;^\(LOCKDIR=\).*$;\1'"${lockdir};"                 \
 413 -e 's;^\(LIBDIR=\).*$;\1'"${libdir};"
 414 mv ${tempMakefile} Makefile
 415
 416 # Modify the parameters in the `build-install' script.
 417 echo "Editing ./build-install..."
 418 tempbi="tempbi"$$
 419 /bin/sed < build-install > ${tempbi}            \
 420 -e 's;^\(LIBROOT=\).*$;\1'"${libroot};"         \
 421 -e 's;^\(BINDIR=\).*$;\1'"${bindir};"   \
 422 -e 's;^\(LISPPATH=\).*$;\1'"${lisppath};"       \
 423 -e 's;^\(DATADIR=\).*$;\1'"${datadir};"         \
 424 -e 's;^\(LOCKDIR=\).*$;\1'"${lockdir};"         \
 425 -e 's;^\(LIBDIR=\).*$;\1'"${libdir};"
 426 mv ${tempbi} build-install
 427 chmod a+x build-install
 428
 429 # Modify the parameters in the src makefile.
 430 echo "Editing src/Makefile..."
 431 tempMakefile="tempMakefile"$$
 432 /bin/sed < src/Makefile > ${tempMakefile}               \
 433 -e 's;^\(CC[ ]*=\).*$;\1'"${cc};"
 434 mv ${tempMakefile} src/Makefile
 435
 436 # Modify the parameters in the lib-src makefile.
 437 echo "Editing lib-src/Makefile..."
 438 tempMakefile="tempMakefile"$$
 439 /bin/sed < lib-src/Makefile > ${tempMakefile}           \
 440 -e 's;^\(CFLAGS=\).*$;\1'"${c_switch_site};"            \
 441 -e 's;^\(LOADLIBES=\).*$;\1'"${libsrc_libs};"           \
 442 -e 's;^\(CC=\).*$;\1'"${cc};"
 443 mv ${tempMakefile} lib-src/Makefile
 444
 445 # Create a verbal description of what we have done.
 446 message="# Configured for machine \`${machine}' running \`${opsystem}'.
 447 # The following values have been set in ./Makefile and ./build-install:
 448 #   Executables will be placed in
 449 #         ${bindir}.
 450 #   Emacs's lisp search path will be
 451 #         \`${lisppath}'.
 452 #   Emacs will look for its architecture-independent data in
 453 #         ${datadir}.
 454 #   Emacs will look for its utility programs and other architecture-
 455 #   dependent data in
 456 #         ${libdir}.
 457 #   Emacs will keep track of file-locking in
 458 #         ${lockdir}.
 459 # The following values have been set in src/config.h:
 460 #   At how much higher than normal priority should Emacs run? ${highpri-none}
 461 #   Should Emacs use the GNU version of malloc?             ${gnu_malloc}${gnu_malloc_reason}
 462 #   Should Emacs use the relocating allocator for buffers?  ${rel_alloc}
 463 #   Should Emacs support a floating point Elisp type?       ${lisp_float_type}
 464 #   What window system should Emacs use?                    ${window_system}
 465 #   Should Emacs support mouse menus, which require X11?    ${have_x_menu}
 466 #   What compiler should emacs be built with?               ${cc}
 467 #   Should the compilation use \`-g' and/or \`-O'?           ${c_switch_site- neither}"
 468
 469 # Document the damage we have done by writing config.status.
 470
 471 echo '#!/bin/sh' > config.status
 472
 473 echo "# This file is generated by \`${progname}.'
 474 # If you are thinking about editing it, you should seriously consider
 475 # running \`${progname}' instead.
 476 " >> config.status
 477 echo "${message}" >> config.status
 478 echo "'${progname}' \\
 479         -machine='${machine}' \\
 480         -opsystem='${opsystem}' \\
 481         -g=${g} \\
 482         -O=${O} \\
 483         -cc=${cc} \\
 484         -libdir='${libdir}' \\
 485         -datadir='${datadir}' \\
 486         -bindir='${bindir}' \\
 487         -lisppath='${lisppath}' \\
 488         -lockdir='${lockdir}' \\
 489         -window_system='${window_system}' \\
 490         -have_x_menu='${have_x_menu}' \\
 491         -gnu_malloc='${gnu_malloc}'
 492         -rel_malloc='${rel_alloc}' \\
 493         -highpri='${highpri}' \\
 494         -lisp_float_type='${lisp_float_type}'" >> config.status
 495 chmod +x config.status
 496
 497 # Print the description.
 498 echo
 499 echo "${message}" | sed -e 's/^# //'
 500
 501 exit 0