gcc/configure.lang

   1 # configure.lang for GNU CC
   2 # This script is run by configure for configuration of language
   3 # subdirectories which conform to the old GCC configure mechansim
   4 # for such subdirectories.
   5
   6 # Copyright (C) 1997 Free Software Foundation, Inc.
   7
   8 #This file is part of GNU CC.
   9
  10 #GNU CC is free software; you can redistribute it and/or modify
  11 #it under the terms of the GNU General Public License as published by
  12 #the Free Software Foundation; either version 2, or (at your option)
  13 #any later version.
  14
  15 #GNU CC is distributed in the hope that it will be useful,
  16 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 #GNU General Public License for more details.
  19
  20 #You should have received a copy of the GNU General Public License
  21 #along with GNU CC; see the file COPYING.  If not, write to
  22 #the Free Software Foundation, 59 Temple Place - Suite 330,
  23 #Boston, MA 02111-1307, USA.
  24
  25 savesrcdir=$srcdir
  26 for subdir in . $subdirs
  27 do
  28         oldsrcdir=$savesrcdir
  29
  30         # Re-adjust the path
  31         case $oldsrcdir in
  32         /*)
  33                 case $subdir in
  34                 .)
  35                         srcdir=$oldsrcdir
  36                         ;;
  37                 *)
  38                         srcdir=$oldsrcdir/$subdir
  39                         ;;
  40                 esac
  41                 ;;
  42         *)
  43                 case $subdir in
  44                 .)
  45                         ;;
  46                 *)
  47                         oldsrcdir=../${oldsrcdir}
  48                         srcdir=$oldsrcdir/$subdir
  49                         ;;
  50                 esac
  51                 ;;
  52         esac
  53         mainsrcdir=$oldsrcdir
  54         STARTDIR=`pwd`
  55         test -d $subdir || mkdir $subdir
  56         cd $subdir
  57
  58         # Create Makefile.tem from Makefile.in.
  59         # Make it set VPATH if necessary so that the sources are found.
  60         # Also change its value of srcdir.
  61         # Also create a .gdbinit file which runs the one in srcdir
  62         # and tells GDB to look there for source files.
  63         case $srcdir in
  64         . | ./$subdir | .././$subdir)
  65                 rm -f Makefile.tem
  66                 cp Makefile.in Makefile.tem
  67                 chmod +w Makefile.tem
  68                 ;;
  69         *)
  70                 rm -f Makefile.tem
  71                 echo "VPATH = ${srcdir}" \
  72                   | cat - ${srcdir}/Makefile.in \
  73                   | sed "s@^srcdir = \.@srcdir = ${srcdir}@" > Makefile.tem
  74                 rm -f .gdbinit
  75                 echo "dir ." > .gdbinit
  76                 echo "dir ${srcdir}" >> .gdbinit
  77                 if [ x$gdb_needs_out_file_path = xyes ]
  78                 then
  79                         echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
  80                 fi
  81                 if [ "x$subdirs" != x ]; then
  82                         for s in $subdirs
  83                         do
  84                                 echo "dir ${srcdir}/$s" >> .gdbinit
  85                         done
  86                 fi
  87                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
  88                 ;;
  89         esac
  90
  91         # Conditionalize the makefile for this host machine.
  92         rm -f Makefile.xx Makefile.ll
  93         merged_frags=
  94         for f in .. ${host_xmake_file}
  95         do
  96                 if [ -f ${mainsrcdir}/config/$f ]
  97                 then
  98                         cat ${mainsrcdir}/config/$f >> Makefile.ll
  99                         if [ x"${merged_frags}" != x ]
 100                         then
 101                                 merged_frags="${merged_frags} and "
 102                         fi
 103                         merged_frags="${merged_frags}${f}"
 104                 fi
 105         done
 106         if [ x"${merged_frags}" != x ]
 107         then
 108                 sed -e "/####host/  r Makefile.ll" Makefile.tem > Makefile.xx
 109                 echo "Merged ${merged_frags}."
 110                 rm -f Makefile.tem
 111                 mv Makefile.xx Makefile.tem
 112                 rm -f Makefile.ll
 113         fi
 114
 115         # Add a definition for MAKE if system wants one.
 116         case "$SET_MAKE" in
 117         ?*)
 118                 rm -f Makefile.xx
 119                 (echo "$SET_MAKE"; cat Makefile.tem) >Makefile.xx
 120                 rm -f Makefile.tem
 121                 mv Makefile.xx Makefile.tem
 122         esac
 123
 124         # Add a definition for INSTALL if system wants one.
 125         # This substitutes for lots of x-* files.
 126         if [ x$build_broken_install = x ]
 127         then true
 128         else
 129                 rm -f Makefile.xx
 130                 abssrcdir=`cd ${srcdir}; pwd`
 131                 sed "s|^INSTALL = .*|INSTALL = ${abssrcdir}/install.sh -c|" Makefile.tem > Makefile.xx
 132                 rm -f Makefile.tem
 133                 mv Makefile.xx Makefile.tem
 134         fi
 135
 136         # Some of the following don't make sense in the language makefiles,
 137         # but rather than introduce another level of nesting, we leave them
 138         # as is.
 139
 140         # Set EXTRA_HEADERS according to extra_headers.
 141         # This substitutes for lots of t-* files.
 142         extra_headers_list=
 143         if [ "x$extra_headers" = x ]
 144         then true
 145         else
 146                 rm -f Makefile.xx
 147                 sed "s|^EXTRA_HEADERS =|EXTRA_HEADERS = ${extra_headers_list}|" Makefile.tem > Makefile.xx
 148                 rm -f Makefile.tem
 149                 mv Makefile.xx Makefile.tem
 150         fi
 151
 152         # Set EXTRA_PASSES according to extra_passes.
 153         # This substitutes for lots of t-* files.
 154         if [ "x$extra_passes" = x ]
 155         then true
 156         else
 157                 rm -f Makefile.xx
 158                 sed "s/^EXTRA_PASSES =/EXTRA_PASSES = $extra_passes/" Makefile.tem > Makefile.xx
 159                 rm -f Makefile.tem
 160                 mv Makefile.xx Makefile.tem
 161         fi
 162
 163         # Set EXTRA_PARTS according to extra_parts.
 164         # This substitutes for lots of t-* files.
 165         if [ "x$extra_parts" = x ]
 166         then true
 167         else
 168                 rm -f Makefile.xx
 169                 sed "s/^EXTRA_PARTS =/EXTRA_PARTS = $extra_parts/" Makefile.tem > Makefile.xx
 170                 rm -f Makefile.tem
 171                 mv Makefile.xx Makefile.tem
 172         fi
 173
 174         # Set EXTRA_PROGRAMS according to extra_programs.
 175         if [ "x$extra_programs" = x ]
 176         then true
 177         else
 178                 rm -f Makefile.xx
 179                 sed "s/^EXTRA_PROGRAMS =/EXTRA_PROGRAMS = $extra_programs/" Makefile.tem > Makefile.xx
 180                 rm -f Makefile.tem
 181                 mv Makefile.xx Makefile.tem
 182         fi
 183
 184         # Set EXTRA_OBJS according to extra_objs.
 185         # This substitutes for lots of t-* files.
 186         if [ "x$extra_objs" = x ]
 187         then true
 188         else
 189                 rm -f Makefile.xx
 190                 sed "s|^EXTRA_OBJS =|EXTRA_OBJS = $extra_objs|" Makefile.tem > Makefile.xx
 191                 rm -f Makefile.tem
 192                 mv Makefile.xx Makefile.tem
 193         fi
 194
 195         # Set EXTRA_GCC_OBJS according to host_extra_gcc_objs.
 196         # This substitutes for lots of x-* files.
 197         if [ "x$host_extra_gcc_objs" = x ]
 198         then true
 199         else
 200                 rm -f Makefile.xx
 201                 sed "s|^EXTRA_GCC_OBJS =|EXTRA_GCC_OBJS = $host_extra_gcc_objs|"
 202 Makefile.tem > Makefile.xx
 203                 rm -f Makefile.tem
 204                 mv Makefile.xx Makefile.tem
 205         fi
 206
 207         # Add a definition of USE_COLLECT2 if system wants one.
 208         # Also tell toplev.c what to do.
 209         # This substitutes for lots of t-* files.
 210         if [ x$use_collect2 != x ]
 211         then
 212                 rm -f Makefile.xx
 213                 (echo "USE_COLLECT2 = ld"; echo "MAYBE_USE_COLLECT2 = -DUSE_COLLECT2")\
 214                    | cat - Makefile.tem > Makefile.xx
 215                 rm -f Makefile.tem
 216                 mv Makefile.xx Makefile.tem
 217         fi
 218
 219         # Set MD_DEPS if the real md file is in md.pre-cpp.
 220         # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
 221         # for line oriented comments, so we must always use a GNU cpp.  If
 222         # building gcc with a cross compiler, use the cross compiler just
 223         # built.  Otherwise, we can use the cpp just built.
 224         if [ "x$md_cppflags" != x ]
 225         then
 226                 rm -f Makefile.xx
 227                 (if [ x$host = x$build ] ; then
 228                         echo "MD_DEPS = $(md_file) cpp" ; echo "MD_CPP = ./cpp"
 229                 else
 230                         echo "MD_DEPS = md.pre-cpp" ; echo "MD_CPP = \$(HOST_CC) -x c -E"
 231                 fi
 232                 echo "MD_CPPFLAGS = $md_cppflags") | \
 233                   cat - Makefile.tem | sed -e "s|^MD_FILE[      ]*=.*|MD_FILE = md|" > Makefile.xx
 234                 rm -f Makefile.tem
 235                 mv Makefile.xx Makefile.tem
 236         fi
 237
 238         # If using -program-transform-name, override the installation names.
 239         if [ "x${program_transform_set}" = "xyes" ] ; then
 240                 sed -e "s/^program_transform_name[      ]*=.*$/program_transform_name =
 241 $program_transform_name/" \
 242                     -e "s/^program_transform_cross_name[
 243 ]*=.*$/program_transform_cross_name = $program_transform_name/" \
 244                     Makefile.tem > Makefile.xx
 245                 rm -f Makefile.tem
 246                 mv Makefile.xx Makefile.tem
 247         fi
 248
 249         # Conditionalize the makefile for this target machine.
 250         rm -f Makefile.xx Makefile.ll
 251         merged_frags=
 252         for f in .. ${tmake_file}
 253         do
 254                 if [ -f ${mainsrcdir}/config/$f ]
 255                 then
 256                         cat ${mainsrcdir}/config/$f >> Makefile.ll
 257                         if [ x"${merged_frags}" != x ]
 258                         then
 259                                 merged_frags="${merged_frags} and "
 260                         fi
 261                         merged_frags="${merged_frags}$f"
 262                 fi
 263         done
 264         if [ x"${merged_frags}" != x ]
 265         then
 266                 sed -e "/####target/  r Makefile.ll" Makefile.tem > Makefile.xx
 267                 echo "Merged ${merged_frags}."
 268                 rm -f Makefile.tem
 269                 mv Makefile.xx Makefile.tem
 270                 rm -f Makefile.ll
 271         fi
 272
 273         # If this is the top level Makefile, add the language fragments.
 274         # Languages are added via two mechanisms.  Some information must be
 275         # recorded in makefile variables, these are defined in config-lang.in.
 276         # We accumulate them and plug them into the main Makefile.
 277         # The other mechanism is a set of hooks for each of the main targets
 278         # like `clean', `install', etc.
 279         if [ $subdir = . ]
 280         then
 281                 rm -f Makefile.xx Makefile.ll
 282                 touch Makefile.ll
 283                 sed -e "/####language fragments/ r Makefile.ll" Makefile.tem > Makefile.xx
 284                 rm -f Makefile.tem
 285                 mv Makefile.xx Makefile.tem
 286                 subdirs=`echo $subdirs`
 287                 sed -e "s|^SUBDIRS[     ]*=.*$|SUBDIRS = $subdirs|" \
 288                     -e "s|^LANGUAGES[   ]*=[    ]*\(.*\)$|LANGUAGES = \1 $all_languages|" \
 289                     -e "s|^BOOT_LANGUAGES[      ]*=[    ]*\(.*\)$|BOOT_LANGUAGES = \1 $all_boot_languages|" \
 290                     -e "s|^COMPILERS[   ]*=[    ]*\(.*\)$|COMPILERS = \1 $all_compilers|" \
 291                     -e "s|^LANG_MAKEFILES[      ]*=.*$|LANG_MAKEFILES = $all_lang_makefiles|" \
 292                     -e "s|^LANG_STAGESTUFF[     ]*=.*$|LANG_STAGESTUFF = $all_stagestuff|" \
 293                     -e "s|^LANG_DIFF_EXCLUDES[  ]*=.*$|LANG_DIFF_EXCLUDES = $all_diff_excludes|" \
 294                     -e "s|^LANG_EXTRA_HEADERS[  ]*=.*$|LANG_EXTRA_HEADERS = $all_headers|" \
 295                     -e "s|^LANG_LIB2FUNCS[      ]*=.*$|LANG_LIB2FUNCS = $all_lib2funcs|" \
 296                     Makefile.tem > Makefile.xx
 297                 rm -f Makefile.tem
 298                 mv Makefile.xx Makefile.tem
 299
 300                 # Since we can't use `::' targets, we link each language in
 301                 # with a set of hooks, reached indirectly via lang.${target}.
 302                 rm -f Makefile.ll
 303                 for t in $target_list
 304                 do
 305                         x=
 306                         for l in .. $all_languages
 307                         do
 308                                 if [ $l != ".." ]; then
 309                                         x="$x $l.$t"
 310                                 fi
 311                         done
 312                         echo "lang.$t: $x" >> Makefile.ll
 313                 done
 314                 sed -e "/####language hooks/ r Makefile.ll" Makefile.tem > Makefile.xx
 315                 rm -f Makefile.tem
 316                 mv Makefile.xx Makefile.tem
 317                 rm -f Makefile.ll
 318
 319                 # If the host doesn't support symlinks, modify CC in
 320                 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
 321                 # Otherwise, we can use "CC=$(CC)".
 322                 rm -f symtest.tem
 323                 if $symbolic_link symtest1.tem symtest.tem 2>/dev/null
 324                 then
 325                         sed -e 's,CC=set-by-configure,CC=$(CC),' \
 326                             Makefile.tem > Makefile.xx
 327                         sed -e 's,STAGE_PREFIX=set-by-configure,STAGE_PREFIX=$(STAGE_PREFIX),' \
 328                             Makefile.xx > Makefile.yy
 329                 else
 330                         sed -e "s,CC=set-by-configure,CC=\`case '\$(CC)' in *stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`," \
 331                             Makefile.tem > Makefile.xx
 332                         sed -e "s,STAGE_PREFIX=set-by-configure,STAGE_PREFIX=\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`," \
 333                             Makefile.xx > Makefile.yy
 334                 fi
 335                 rm -f Makefile.tem Makefile.xx
 336                 mv Makefile.yy Makefile.tem
 337                 rm -f symtest.tem
 338
 339                 if [ "x$all_languages" != x ]
 340                 then
 341                         # Missing space after `Merged' is intentional.
 342                         echo "Merged$all_languages fragment(s)."
 343                 fi
 344
 345         # Otherwise, this is a language subdirectory.  If the host supports
 346         # symlinks, point stage[123] at ../stage[123] so bootstrapping and the
 347         # installation procedure can still use CC="stage1/xgcc -Bstage1/".
 348         # If the host doesn't support symlinks, FLAGS_TO_PASS has been
 349         # modified to solve the problem there.
 350         else
 351                 for t in stage1 stage2 stage3 stage4 include
 352                 do
 353                         rm -f $t
 354                         $symbolic_link ../$t $t 2>/dev/null
 355                 done
 356         fi
 357
 358         # Remove all formfeeds, since some Makes get confused by them.
 359         # Also arrange to give the variables `target', `host_xmake_file',
 360         # `tmake_file', `prefix', `local_prefix', `exec_prefix', `FIXINCLUDES'
 361         # `out_file', `out_object', `md_file', `lang_specs_files',
 362         # `lang_options_files', `INSTALL_HEADERS_DIR', and `CROSS_FLOAT_H'
 363         # values in the Makefile from the values they have in this script.
 364         rm -f Makefile.xx
 365         rm -f aux-output.c aux-output.o md
 366         # Create an empty Makefile.sed first, to work around a Nextstep 3.3 bug.
 367         echo 's|\f||' > Makefile.sed
 368         rm Makefile.sed
 369         echo 's|\f||' > Makefile.sed
 370         echo "s|^target=.*$|target=${target}|" >> Makefile.sed
 371         echo "s|^target_alias=.*$|target_alias=${target}|" >> Makefile.sed
 372         echo "s|^xmake_file=.*$|xmake_file=${dep_host_xmake_file}|" >> Makefile.sed
 373         echo "s|^tmake_file=.*$|tmake_file=${dep_tmake_file}|" >> Makefile.sed
 374         echo "s|^version=.*$|version=${version}|" >> Makefile.sed
 375         echo "s|^version=.*$|version=${version}|" >> Makefile.sed
 376         echo "s|^out_file=.*$|out_file=${srcdir}/config/${out_file}|" >> Makefile.sed
 377         echo "s|^out_object_file=.*$|out_object_file=${out_object_file}|" >> Makefile.sed
 378         echo "s|^md_file=.*$|md_file=${md_file}|" >> Makefile.sed
 379         echo "s|^tm_file=.*$|tm_file=${tm_file_sub}|" >> Makefile.sed
 380         echo "s|^host_xm_file=.*$|host_xm_file=${host_xm_file_sub}|" >> Makefile.sed
 381         echo "s|^build_xm_file=.*$|build_xm_file=${build_xm_file_sub}|" >> Makefile.sed
 382         echo "s|^lang_specs_files=.*$|lang_specs_files=${lang_specs_files}|" >> Makefile.sed
 383         echo "s|^lang_options_files=.*$|lang_options_files=${lang_options_files}|" >> Makefile.sed
 384         echo "s|^GCC_THREAD_FILE=.*$|GCC_THREAD_FILE=${thread_file}|" >> Makefile.sed
 385         echo "s|^prefix[        ]*=.*|prefix = $prefix|" >> Makefile.sed
 386         echo "s|^local_prefix[  ]*=.*|local_prefix = $local_prefix|" >> Makefile.sed
 387         echo "s|^exec_prefix[   ]*=.*|exec_prefix = $exec_prefix|" >> Makefile.sed
 388         echo "s|^FIXINCLUDES[   ]*=.*|FIXINCLUDES = $fixincludes|" >> Makefile.sed
 389         echo "s|^INSTALL_HEADERS_DIR[   ]*=.*$|INSTALL_HEADERS_DIR = ${build_install_headers_dir}|" >> Makefile.sed
 390         echo "s|^exeext[        ]*=.*$|exeext = ${build_exeext}|" >> Makefile.sed
 391         echo "s|^CROSS_FLOAT_H[ ]*=.*|CROSS_FLOAT_H=\$(srcdir)/config/float-${float_format}.h|" >> Makefile.sed
 392         sed -f Makefile.sed Makefile.tem > Makefile.xx
 393         rm -f Makefile.tem Makefile.sed
 394         mv Makefile.xx Makefile.tem
 395
 396         # Install Makefile for real, after making final changes.
 397         # Define macro CROSS_COMPILE in compilation
 398         # if this is a cross-compiler.
 399         # Also use all.cross instead of all.internal
 400         # and add cross-make to Makefile.
 401         if [ x$host != x$target ]
 402         then
 403                 rm -f Makefile.xx
 404                 echo "CROSS=-DCROSS_COMPILE" > Makefile.xx
 405                 sed -e "/####cross/  r ${mainsrcdir}/cross-make" Makefile.tem >> Makefile.xx
 406                 rm -f Makefile.tem
 407                 mv Makefile.xx Makefile.tem
 408         fi
 409
 410         # When building gcc with a cross-compiler, we need to fix a few things.
 411         # This must come after cross-make as we want all.build to override
 412         # all.cross.
 413         if [ x$build != x$host ]
 414         then
 415                 rm -f Makefile.xx
 416                 echo "build= $build" > Makefile.xx
 417                 echo "host= $host" >> Makefile.xx
 418                 sed -e "s|objc-runtime$||" \
 419                     -e "/####build/  r ${mainsrcdir}/build-make" Makefile.tem >> Makefile.xx
 420                 rm -f Makefile.tem
 421                 mv Makefile.xx Makefile.tem
 422         fi
 423
 424         if [ $subdir != . ]
 425         then
 426                 rm -f Makefile
 427                 mv Makefile.tem Makefile
 428                 echo "Created \`$subdir/Makefile'."
 429         else
 430                 rm -f Makefile.tem
 431         fi
 432
 433         cd $STARTDIR
 434 done   # end of current-dir SUBDIRS loop
 435
 436 srcdir=$savesrcdir