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 = ${abssrcdir}/install.sh -c|" Makefile.tem > Makefile.xx
 132                 rm -f Makefile.tem
 133                 mv Makefile.xx Makefile.tem
 134         fi
 135
 136         # Some of the following don't make sense in the language makefiles,
 137         # but rather than introduce another level of nesting, we leave them
 138         # as is.
 139
 140         # Add a definition of USE_COLLECT2 if system wants one.
 141         # Also tell toplev.c what to do.
 142         # This substitutes for lots of t-* files.
 143         if [ x$use_collect2 != x ]
 144         then
 145                 rm -f Makefile.xx
 146                 (echo "USE_COLLECT2 = ld"; echo "MAYBE_USE_COLLECT2 = -DUSE_COLLECT2")\
 147                    | cat - Makefile.tem > Makefile.xx
 148                 rm -f Makefile.tem
 149                 mv Makefile.xx Makefile.tem
 150         fi
 151
 152         # If using -program-transform-name, override the installation names.
 153         if [ "x${program_transform_set}" = "xyes" ] ; then
 154                 sed -e "s/^program_transform_name[      ]*=.*$/program_transform_name =
 155 $program_transform_name/" \
 156                     -e "s/^program_transform_cross_name[
 157 ]*=.*$/program_transform_cross_name = $program_transform_name/" \
 158                     Makefile.tem > Makefile.xx
 159                 rm -f Makefile.tem
 160                 mv Makefile.xx Makefile.tem
 161         fi
 162
 163         # Conditionalize the makefile for this target machine.
 164         rm -f Makefile.xx Makefile.ll
 165         merged_frags=
 166         for f in .. ${tmake_file}
 167         do
 168                 if [ -f ${mainsrcdir}/config/$f ]
 169                 then
 170                         cat ${mainsrcdir}/config/$f >> Makefile.ll
 171                         if [ x"${merged_frags}" != x ]
 172                         then
 173                                 merged_frags="${merged_frags} and "
 174                         fi
 175                         merged_frags="${merged_frags}$f"
 176                 fi
 177         done
 178         if [ x"${merged_frags}" != x ]
 179         then
 180                 sed -e "/####target/  r Makefile.ll" Makefile.tem > Makefile.xx
 181                 echo "Merged ${merged_frags}."
 182                 rm -f Makefile.tem
 183                 mv Makefile.xx Makefile.tem
 184                 rm -f Makefile.ll
 185         fi
 186
 187         # If this is the top level Makefile, add the language fragments.
 188         # Languages are added via two mechanisms.  Some information must be
 189         # recorded in makefile variables, these are defined in config-lang.in.
 190         # We accumulate them and plug them into the main Makefile.
 191         # The other mechanism is a set of hooks for each of the main targets
 192         # like `clean', `install', etc.
 193         if [ $subdir = . ]
 194         then
 195                 rm -f Makefile.xx Makefile.ll
 196                 touch Makefile.ll
 197                 sed -e "/####language fragments/ r Makefile.ll" Makefile.tem > Makefile.xx
 198                 rm -f Makefile.tem
 199                 mv Makefile.xx Makefile.tem
 200                 subdirs=`echo $subdirs`
 201                 sed -e "s|^SUBDIRS[     ]*=.*$|SUBDIRS = $subdirs|" \
 202                     -e "s|^LANGUAGES[   ]*=[    ]*\(.*\)$|LANGUAGES = \1 $all_languages|" \
 203                     -e "s|^BOOT_LANGUAGES[      ]*=[    ]*\(.*\)$|BOOT_LANGUAGES = \1 $all_boot_languages|" \
 204                     -e "s|^COMPILERS[   ]*=[    ]*\(.*\)$|COMPILERS = \1 $all_compilers|" \
 205                     -e "s|^LANG_MAKEFILES[      ]*=.*$|LANG_MAKEFILES = $all_lang_makefiles|" \
 206                     -e "s|^LANG_STAGESTUFF[     ]*=.*$|LANG_STAGESTUFF = $all_stagestuff|" \
 207                     -e "s|^LANG_DIFF_EXCLUDES[  ]*=.*$|LANG_DIFF_EXCLUDES = $all_diff_excludes|" \
 208                     -e "s|^LANG_EXTRA_HEADERS[  ]*=.*$|LANG_EXTRA_HEADERS = $all_headers|" \
 209                     -e "s|^LANG_LIB2FUNCS[      ]*=.*$|LANG_LIB2FUNCS = $all_lib2funcs|" \
 210                     Makefile.tem > Makefile.xx
 211                 rm -f Makefile.tem
 212                 mv Makefile.xx Makefile.tem
 213
 214                 # Since we can't use `::' targets, we link each language in
 215                 # with a set of hooks, reached indirectly via lang.${target}.
 216                 rm -f Makefile.ll
 217                 for t in $target_list
 218                 do
 219                         x=
 220                         for l in .. $all_languages
 221                         do
 222                                 if [ $l != ".." ]; then
 223                                         x="$x $l.$t"
 224                                 fi
 225                         done
 226                         echo "lang.$t: $x" >> Makefile.ll
 227                 done
 228                 sed -e "/####language hooks/ r Makefile.ll" Makefile.tem > Makefile.xx
 229                 rm -f Makefile.tem
 230                 mv Makefile.xx Makefile.tem
 231                 rm -f Makefile.ll
 232
 233                 # If the host doesn't support symlinks, modify CC in
 234                 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
 235                 # Otherwise, we can use "CC=$(CC)".
 236                 rm -f symtest.tem
 237                 if $symbolic_link symtest1.tem symtest.tem 2>/dev/null
 238                 then
 239                         sed -e 's,CC=set-by-configure,CC=$(CC),' \
 240                             Makefile.tem > Makefile.xx
 241                         sed -e 's,STAGE_PREFIX=set-by-configure,STAGE_PREFIX=$(STAGE_PREFIX),' \
 242                             Makefile.xx > Makefile.yy
 243                 else
 244                         sed -e "s,CC=set-by-configure,CC=\`case '\$(CC)' in *stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`," \
 245                             Makefile.tem > Makefile.xx
 246                         sed -e "s,STAGE_PREFIX=set-by-configure,STAGE_PREFIX=\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`," \
 247                             Makefile.xx > Makefile.yy
 248                 fi
 249                 rm -f Makefile.tem Makefile.xx
 250                 mv Makefile.yy Makefile.tem
 251                 rm -f symtest.tem
 252
 253                 if [ "x$all_languages" != x ]
 254                 then
 255                         # Missing space after `Merged' is intentional.
 256                         echo "Merged$all_languages fragment(s)."
 257                 fi
 258
 259         # Otherwise, this is a language subdirectory.  If the host supports
 260         # symlinks, point stage[123] at ../stage[123] so bootstrapping and the
 261         # installation procedure can still use CC="stage1/xgcc -Bstage1/".
 262         # If the host doesn't support symlinks, FLAGS_TO_PASS has been
 263         # modified to solve the problem there.
 264         else
 265                 for t in stage1 stage2 stage3 stage4 include
 266                 do
 267                         rm -f $t
 268                         $symbolic_link ../$t $t 2>/dev/null
 269                 done
 270         fi
 271
 272         # Remove all formfeeds, since some Makes get confused by them.
 273         # Also arrange to give the variables `target', `host_xmake_file',
 274         # `tmake_file', `prefix', `local_prefix', `exec_prefix', `FIXINCLUDES'
 275         # `out_file', `out_object', `md_file', `lang_specs_files',
 276         # `lang_options_files', `INSTALL_HEADERS_DIR', and `CROSS_FLOAT_H'
 277         # values in the Makefile from the values they have in this script.
 278         rm -f Makefile.xx
 279         rm -f aux-output.c aux-output.o md
 280         # Create an empty Makefile.sed first, to work around a Nextstep 3.3 bug.
 281         echo 's|\f||' > Makefile.sed
 282         rm Makefile.sed
 283         echo 's|\f||' > Makefile.sed
 284         echo "s|^target=.*$|target=${target}|" >> Makefile.sed
 285         echo "s|^target_alias=.*$|target_alias=${target}|" >> Makefile.sed
 286         echo "s|^xmake_file=.*$|xmake_file=${dep_host_xmake_file}|" >> Makefile.sed
 287         echo "s|^tmake_file=.*$|tmake_file=${dep_tmake_file}|" >> Makefile.sed
 288         echo "s|^version=.*$|version=${version}|" >> Makefile.sed
 289         echo "s|^out_file=.*$|out_file=${srcdir}/config/${out_file}|" >> Makefile.sed
 290         echo "s|^out_object_file=.*$|out_object_file=${out_object_file}|" >> Makefile.sed
 291         echo "s|^md_file=.*$|md_file=${md_file}|" >> Makefile.sed
 292         echo "s|^tm_file=.*$|tm_file=${tm_file_sub}|" >> Makefile.sed
 293         echo "s|^host_xm_file=.*$|host_xm_file=${host_xm_file_sub}|" >> Makefile.sed
 294         echo "s|^build_xm_file=.*$|build_xm_file=${build_xm_file_sub}|" >> Makefile.sed
 295         echo "s|^lang_specs_files=.*$|lang_specs_files=${lang_specs_files}|" >> Makefile.sed
 296         echo "s|^lang_options_files=.*$|lang_options_files=${lang_options_files}|" >> Makefile.sed
 297         echo "s|^GCC_THREAD_FILE=.*$|GCC_THREAD_FILE=${thread_file}|" >> Makefile.sed
 298         echo "s|^prefix[        ]*=.*|prefix = $prefix|" >> Makefile.sed
 299         echo "s|^local_prefix[  ]*=.*|local_prefix = $local_prefix|" >> Makefile.sed
 300         echo "s|^exec_prefix[   ]*=.*|exec_prefix = $exec_prefix|" >> Makefile.sed
 301         echo "s|^FIXINCLUDES[   ]*=.*|FIXINCLUDES = $fixincludes|" >> Makefile.sed
 302         echo "s|^INSTALL_HEADERS_DIR[   ]*=.*$|INSTALL_HEADERS_DIR = ${build_install_headers_dir}|" >> Makefile.sed
 303         echo "s|^exeext[        ]*=.*$|exeext = ${build_exeext}|" >> Makefile.sed
 304         echo "s|^CROSS_FLOAT_H[ ]*=.*|CROSS_FLOAT_H=\$(srcdir)/config/float-${float_format}.h|" >> Makefile.sed
 305         sed -f Makefile.sed Makefile.tem > Makefile.xx
 306         rm -f Makefile.tem Makefile.sed
 307         mv Makefile.xx Makefile.tem
 308
 309         # Install Makefile for real, after making final changes.
 310         # Define macro CROSS_COMPILE in compilation
 311         # if this is a cross-compiler.
 312         # Also use all.cross instead of all.internal
 313         # and add cross-make to Makefile.
 314         if [ x$host != x$target ]
 315         then
 316                 rm -f Makefile.xx
 317                 echo "CROSS=-DCROSS_COMPILE" > Makefile.xx
 318                 sed -e "/####cross/  r ${mainsrcdir}/cross-make" Makefile.tem >> Makefile.xx
 319                 rm -f Makefile.tem
 320                 mv Makefile.xx Makefile.tem
 321         fi
 322
 323         # When building gcc with a cross-compiler, we need to fix a few things.
 324         # This must come after cross-make as we want all.build to override
 325         # all.cross.
 326         if [ x$build != x$host ]
 327         then
 328                 rm -f Makefile.xx
 329                 echo "build= $build" > Makefile.xx
 330                 echo "host= $host" >> Makefile.xx
 331                 sed -e "s|objc-runtime$||" \
 332                     -e "/####build/  r ${mainsrcdir}/build-make" Makefile.tem >> Makefile.xx
 333                 rm -f Makefile.tem
 334                 mv Makefile.xx Makefile.tem
 335         fi
 336
 337         if [ $subdir != . ]
 338         then
 339                 rm -f Makefile
 340                 mv Makefile.tem Makefile
 341                 echo "Created \`$subdir/Makefile'."
 342         else
 343                 rm -f Makefile.tem
 344         fi
 345
 346         cd $STARTDIR
 347 done   # end of current-dir SUBDIRS loop
 348
 349 srcdir=$savesrcdir