ld/configure.host

   1 # This is the linker host specific file.  This is invoked by the
   2 # autoconf generated configure script.  Putting it in a separate shell
   3 # file lets us skip running autoconf when modifying host specific
   4 # information.
   5 #
   6 #   Copyright (C) 2012-2016 Free Software Foundation, Inc.
   7 #
   8 # This file is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; see the file COPYING3.  If not see
  20 # <http://www.gnu.org/licenses/>.
  21 #
  22
  23 # This file sets the following shell variables:
  24 #  HDEFINES             host specific compiler flags
  25 #  HOSTING_CRT0         crt0.o file used for bootstrapping
  26 #  HOSTING_LIBS         libraries used for bootstrapping
  27
  28 HDEFINES=
  29 HOSTING_CRT0=/lib/crt0.o
  30 HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ]; then libgcc=../gcc/libgcc.a; else libgcc=\`${CC} -print-libgcc-file-name\`; fi; if [ -f ../gcc/libgcc_eh.a ]; then libgcc="$$libgcc ../gcc/libgcc_eh.a"; else libgcc_eh=\`${CC} -print-file-name=libgcc_eh.a\`; if [ x"$$libgcc_eh" != xlibgcc_eh.a ]; then libgcc="$$libgcc $$libgcc_eh"; fi; fi; if [ -f ../gcc/libunwind.a ]; then libgcc="$$libgcc ../gcc/libunwind.a"; else libunwind=\`${CC} -print-file-name=libunwind.a\`; if [ x"$$libunwind" != xlibunwind.a ]; then libgcc="$$libgcc $$libunwind"; fi; fi; echo --start-group $$libgcc -lc --end-group`'
  31
  32 #
  33 #       Generic configurations:
  34 #
  35
  36 case "${host}" in
  37
  38 *-*-dragonfly*)
  39   HOSTING_CRT0='-dynamic-linker `[ -f \`${CC} --print-prog-name=ld-elf.so.2\` ] || echo /usr/libexec/``${CC} --print-prog-name=ld-elf.so.2` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `${CC} --print-file-name=crtbegin.o`'
  40   HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
  41   ;;
  42
  43 *-*-freebsd* | *-*-kfreebsd*-gnu)
  44   HOSTING_CRT0='-dynamic-linker `[ -f \`${CC} --print-prog-name=ld-elf.so.1\` ] || echo /usr/libexec/``${CC} --print-prog-name=ld-elf.so.1` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `${CC} --print-file-name=crtbegin.o`'
  45   HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
  46   ;;
  47
  48 *-*-linux*aout* | *-*-linux*oldld)
  49   HOSTING_CRT0=/usr/lib/crt0.o
  50   ;;
  51
  52 *-*-linux*libc1*)
  53   HOSTING_CRT0='-dynamic-linker /lib/ld-linux.so.1 /usr/lib/crt1.o /usr/lib/crti.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; elif [ -f /usr/lib/crtbegin.o ]; then echo /usr/lib/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`'
  54   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; elif [ -f /usr/lib/crtend.o ]; then echo /usr/lib/crtend.o; else ${CC} --print-file-name=crtend.o; fi` /usr/lib/crtn.o'
  55   ;;
  56
  57 *-*-linux*)
  58   HOSTING_CRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[       ][      ]*\(.*/ld[^ ]*\.so..\).*,\1,"` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`'
  59   HOSTING_SCRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[      ][      ]*\(.*/ld[^ ]*\.so..\).*,\1,"` `${CC} --print-file-name=Scrt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbeginS.o ]; then echo ../gcc/crtbeginS.o; else ${CC} --print-file-name=crtbeginS.o; fi`'
  60   HOSTING_SLIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtendS.o ]; then echo ../gcc/crtendS.o; else ${CC} --print-file-name=crtendS.o; fi` `${CC} --print-file-name=crtn.o`'
  61   HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
  62   ;;
  63
  64 *-*-gnu*)
  65   # When creating static executables, we ought to use crt0.o instead of crt1.o,
  66   # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>,
  67   # but the testing infrastructure is not prepared for that.  This is not
  68   # relevant for most tests, and the few remaining ones have been XFAILed.
  69   HOSTING_CRT0='-dynamic-linker `${CC} --help --verbose 2>&1 | egrep "ld[^ ]*\.so" | sed -e "s,.*-dynamic-linker[       ][      ]*\(.*/ld[^ ]*\.so[^    ]*\).*,\1,"` `${CC} --print-file-name=crt1.o` `${CC} --print-file-name=crti.o` `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} --print-file-name=crtbegin.o; fi`'
  70   HOSTING_LIBS='-L`dirname \`${CC} --print-file-name=libc.so\`` '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} --print-file-name=crtend.o; fi` `${CC} --print-file-name=crtn.o`'
  71   ;;
  72
  73 *-*-netbsd*)
  74   # Different versions of NetBSD with the ELF object format use different
  75   # sets of start/end files.
  76   HOSTING_CRT0='-dynamic-linker /usr/libexec/ld.elf_so /usr/lib/crt0.o'
  77   if [ -f `${CC} --print-file-name=crti.o` ]; then
  78     # Support for GCC's crtstuff present.
  79     HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crti.o`"
  80     if [ -f ../gcc/crtbegin.o ]; then
  81       HOSTING_CRT0="$HOSTING_CRT0 ../gcc/crtbegin.o"
  82     else
  83       HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
  84     fi
  85   else
  86     # Support for GCC's crtstuff not present.
  87     HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
  88   fi
  89   if [ -f `${CC} --print-file-name=crtn.o` ]; then
  90     # Support for GCC's crtstuff present.
  91     if [ -f ../gcc/crtbegin.o ]; then
  92       HOSTING_LIBS="$HOSTING_LIBS ../gcc/crtend.o"
  93     else
  94       HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
  95     fi
  96     HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtn.o`"
  97   else
  98     # Support for GCC's crtstuff not present.
  99     HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
 100   fi
 101   ;;
 102
 103 *-*-openbsd*)
 104   HOSTING_CRT0="-dynamic-linker /usr/libexec/ld.so /usr/lib/crt0.o"
 105   HOSTING_CRT0="$HOSTING_CRT0 /usr/lib/crtbegin.o"
 106   HOSTING_LIBS="$HOSTING_LIBS /usr/lib/crtend.o"
 107   ;;
 108
 109 esac
 110
 111 #
 112 # Now more specific configurations
 113 #
 114
 115 case "${host}" in
 116
 117 *-*-linux*aout* | *-*-linux*oldld | *-*-linux*libc1*)
 118   # No further tweaking needed
 119   ;;
 120
 121 arm*-*-linux-*)
 122   HOSTING_CRT0='-p '"$HOSTING_CRT0"
 123   ;;
 124
 125 hppa*64*-*-hpux11*)
 126   HOSTING_CRT0=/usr/ccs/lib/pa20_64/crt0.o
 127   # Even if CC is not gcc, the tests use gcc.
 128   HOSTING_LIBS='--start-group `if [ -f ../gcc/libgcc.a ]; then echo ../gcc/libgcc.a; else if test "$GCC" = yes; then ${CC} --print-libgcc-file-name; else gcc --print-libgcc-file-name; fi fi` -lc --end-group /usr/lib/pa20_64/milli.a'
 129   ;;
 130
 131 i[3-7]86-*-bsd* | i[3-7]86-*-freebsd[12] | i[3-7]86-*-freebsd[12]\.* | i[3-7]86-*-freebsd*aout*)
 132   HOSTING_CRT0=/usr/lib/crt0.o
 133   ;;
 134
 135 i[3-7]86-*-sysv4*)
 136   HOSTING_CRT0='/usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 137   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` /usr/ccs/lib/crtn.o'
 138   ;;
 139
 140 i[3-7]86-sequent-ptx* | i[3-7]86-sequent-sysv*)
 141   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 142   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
 143   ;;
 144
 145 i[3-7]86-*-sysv*)
 146   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; fi`'
 147   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; fi` /lib/crtn.o'
 148   ;;
 149
 150 i[3-7]86-*-solaris*)
 151   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else ${CC} -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else ${CC} -print-file-name=crti.o; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 152   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else ${CC} -print-file-name=crtn.o; fi`'
 153   ;;
 154
 155 i[3-7]86-*-sco* | i[3-7]86-*-isc*)
 156   # In some configurations gcc does not use crtbegin.o and crtend.o.
 157   # In that case gcc -print-file-name=crtbegin.o will simply print
 158   # crtbegin.o.  We create dummy crtbegin.o and crtend.o files to
 159   # handle this.
 160   echo "int dummy_crtbegin () { return 0; }" > crtbegin.c
 161   ${CC} -c crtbegin.c -o crtbegin.o
 162   rm -f crtbegin.c
 163   echo "int dummy_crteng () { return 0; }" > crtend.c
 164   ${CC} -c crtend.c -o crtend.o
 165   rm -f crtend.c
 166   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 167   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` /lib/crtn.o'
 168   ;;
 169
 170 i[3-7]86-pc-interix*)
 171   HOSTING_CRT0='$$INTERIX_ROOT/usr/lib/crt0.o'
 172   HOSTING_LIBS='-L $$X/local_bin -L $$INTERIX_ROOT/usr/lib '"$HOSTING_LIBS"' -lcpsx -lc -lcpsx $$INTERIX_ROOT/usr/lib/psxdll.a $$INTERIX_ROOT/usr/lib/psxdll2.a'
 173   ;;
 174
 175 i[3-7]86-*-cygwin* | x86_64-*-cygwin*)
 176   HOSTING_LIBS="$HOSTING_LIBS"' -lcygwin -L/usr/lib/w32api -luser32 -lkernel32 -ladvapi32 -lshell32 `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else ${CC} -print-libgcc-file-name; fi`'
 177   ;;
 178
 179 i[3-7]86-*-mingw*)
 180   #We only support msvcrt.dll, crtid == 2.
 181   HOSTING_CRT0='/mingw/lib/crt2.o'
 182   HOSTING_LIBS='-L/mingw/lib -lmingw32 -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32 -lmoldname -lmingwex -lmsvcrt `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else ${CC} -print-libgcc-file-name; fi`'
 183   ;;
 184
 185 mips*-sgi-irix4* | mips*-sgi-irix5*)
 186   HOSTING_CRT0=/usr/lib/crt1.o
 187   HOSTING_LIBS="$HOSTING_LIBS"' /usr/lib/crtn.o'
 188   ;;
 189
 190 mips*-sgi-irix6*)
 191   HOSTING_CRT0='/usr/lib32/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o ; else ${CC} -print-file-name=crtbegin.o; fi`'
 192   HOSTING_LIBS='-L/usr/lib32 '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o ; else ${CC} -print-file-name=crtend.o; fi` /usr/lib32/crtn.o -init __do_global_ctors -fini __do_global_dtors'
 193   ;;
 194
 195 m68*-motorola-sysv)
 196   HOSTING_CRT0='`if [ -f ../gcc/crt0.o ]; then echo ../gcc/crt0.o; elif [ -f \`${CC} -print-file-name=\`crt0.o ]; then echo \`${CC} -print-file-name=\`crt0.o; else echo /lib/crt0.o; fi`'
 197   HOSTING_LIBS=`sed -e 's,-lc,-lc881,' <<EOF
 198 $HOSTING_LIBS
 199 EOF`
 200   ;;
 201
 202 m68*-sun-*)
 203   HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
 204   ;;
 205
 206 m88*-*-dgux*)
 207   HDEFINES=-D__using_DGUX
 208   HOSTING_CRT0='/lib/crt0.o -X'
 209   HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
 210   ;;
 211
 212 m88*-motorola-sysv3)
 213   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 214   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
 215   ;;
 216
 217 sparc-*-solaris2*)
 218   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else ${CC} -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else ${CC} -print-file-name=crti.o; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 219   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else ${CC} -print-file-name=crtn.o; fi`'
 220   ;;
 221
 222 sparc64-*-solaris2* | sparcv9-*-solaris2*)
 223   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else ${CC} -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else ${CC} -print-file-name=crti.o; fi` /usr/ccs/lib/sparcv9/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 224   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else ${CC} -print-file-name=crtn.o; fi`'
 225   ;;
 226
 227 *-*-dragonfly*)
 228   ;;
 229
 230 *-*-freebsd* | *-*-kfreebsd*-gnu)
 231   ;;
 232
 233 *-*-linux* | *-*-gnu*)
 234   ;;
 235
 236 *-*-netbsd*)
 237   ;;
 238
 239 *-*-openbsd*)
 240   ;;
 241
 242 alpha*-*-*)
 243   HOSTING_CRT0=/usr/ccs/lib/crt0.o
 244   ;;
 245
 246 esac
 247
 248 # Provide default HOSTING_SCRT0.  Each host should define a proper one
 249 # if needed.
 250 if test -z "$HOSTING_SCRT0"; then
 251   HOSTING_SCRT0="$HOSTING_CRT0"
 252 fi
 253
 254 # Provide default HOSTING_SLIBS.  Each host should define a proper one
 255 # if needed.
 256 if test -z "$HOSTING_SLIBS"; then
 257   HOSTING_SLIBS="$HOSTING_LIBS"
 258 fi