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 2012 Free Software Foundation
   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 ${CC} --print-file-name=crtbegin.o; fi`'
  59   HOSTING_LIBS='-L`dirname \`${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`'
  60   ;;
  61
  62 *-*-gnu*)
  63   # When creating static executables, we ought to use crt0.o instead of crt1.o,
  64   # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>,
  65   # but the testing infrastructure is not prepared for that.  This is not
  66   # relevant for most tests, and the few remaining ones have been XFAILed.
  67   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 ${CC} --print-file-name=crtbegin.o; fi`'
  68   HOSTING_LIBS='-L`dirname \`${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`'
  69   ;;
  70
  71 *-*-netbsd*)
  72   # Different versions of NetBSD with the ELF object format use different
  73   # sets of start/end files.
  74   HOSTING_CRT0='-dynamic-linker /usr/libexec/ld.elf_so /usr/lib/crt0.o'
  75   if [ -f `${CC} --print-file-name=crti.o` ]; then
  76     # Support for GCC's crtstuff present.
  77     HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crti.o`"
  78     if [ -f ../gcc/crtbegin.o ]; then
  79       HOSTING_CRT0="$HOSTING_CRT0 ../gcc/crtbegin.o"
  80     else
  81       HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
  82     fi
  83   else
  84     # Support for GCC's crtstuff not present.
  85     HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
  86   fi
  87   if [ -f `${CC} --print-file-name=crtn.o` ]; then
  88     # Support for GCC's crtstuff present.
  89     if [ -f ../gcc/crtbegin.o ]; then
  90       HOSTING_LIBS="$HOSTING_LIBS ../gcc/crtend.o"
  91     else
  92       HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
  93     fi
  94     HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtn.o`"
  95   else
  96     # Support for GCC's crtstuff not present.
  97     HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
  98   fi
  99   ;;
 100
 101 *-*-openbsd*)
 102   HOSTING_CRT0="-dynamic-linker /usr/libexec/ld.so /usr/lib/crt0.o"
 103   HOSTING_CRT0="$HOSTING_CRT0 /usr/lib/crtbegin.o"
 104   HOSTING_LIBS="$HOSTING_LIBS /usr/lib/crtend.o"
 105   ;;
 106
 107 esac
 108
 109 #
 110 # Now more specific configurations
 111 #
 112
 113 case "${host}" in
 114
 115 *-*-linux*aout* | *-*-linux*oldld | *-*-linux*libc1*)
 116   # No further tweaking needed
 117   ;;
 118
 119 arm*-*-linux-*)
 120   HOSTING_CRT0='-p '"$HOSTING_CRT0"
 121   ;;
 122
 123 hppa*64*-*-hpux11*)
 124   HOSTING_CRT0=/usr/ccs/lib/pa20_64/crt0.o
 125   # Even if CC is not gcc, the tests use gcc.
 126   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'
 127   ;;
 128
 129 i[3-7]86-*-bsd* | i[3-7]86-*-freebsd[12] | i[3-7]86-*-freebsd[12]\.* | i[3-7]86-*-freebsd*aout*)
 130   HOSTING_CRT0=/usr/lib/crt0.o
 131   ;;
 132
 133 i[3-7]86-*-sysv4*)
 134   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 ${CC} -print-file-name=crtbegin.o; fi`'
 135   HOSTING_LIBS="$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'
 136   ;;
 137
 138 i[3-7]86-sequent-ptx* | i[3-7]86-sequent-sysv*)
 139   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 140   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
 141   ;;
 142
 143 i[3-7]86-*-sysv*)
 144   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; fi`'
 145   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; fi` /lib/crtn.o'
 146   ;;
 147
 148 i[3-7]86-*-solaris*)
 149   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 ${CC} -print-file-name=crtbegin.o; fi`'
 150   HOSTING_LIBS="$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`'
 151   ;;
 152
 153 i[3-7]86-*-sco* | i[3-7]86-*-isc*)
 154   # In some configurations gcc does not use crtbegin.o and crtend.o.
 155   # In that case gcc -print-file-name=crtbegin.o will simply print
 156   # crtbegin.o.  We create dummy crtbegin.o and crtend.o files to
 157   # handle this.
 158   echo "int dummy_crtbegin () { return 0; }" > crtbegin.c
 159   ${CC} -c crtbegin.c -o crtbegin.o
 160   rm -f crtbegin.c
 161   echo "int dummy_crteng () { return 0; }" > crtend.c
 162   ${CC} -c crtend.c -o crtend.o
 163   rm -f crtend.c
 164   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 165   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` /lib/crtn.o'
 166   ;;
 167
 168 i[3-7]86-pc-interix*)
 169   HOSTING_CRT0='$$INTERIX_ROOT/usr/lib/crt0.o'
 170   HOSTING_LIBS='-L $$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'
 171   ;;
 172
 173 i[3-7]86-*-cygwin*)
 174   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`'
 175   ;;
 176
 177 i[3-7]86-*-mingw*)
 178   #We only support msvcrt.dll, crtid == 2.
 179   HOSTING_CRT0='/mingw/lib/crt2.o'
 180   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 ${CC} -print-libgcc-file-name; fi`'
 181   ;;
 182
 183 mips*-sgi-irix4* | mips*-sgi-irix5*)
 184   HOSTING_CRT0=/usr/lib/crt1.o
 185   HOSTING_LIBS="$HOSTING_LIBS"' /usr/lib/crtn.o'
 186   ;;
 187
 188 mips*-sgi-irix6*)
 189   HOSTING_CRT0='/usr/lib32/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o ; else ${CC} -print-file-name=crtbegin.o; fi`'
 190   HOSTING_LIBS='-L/usr/lib32 '"$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o ; else ${CC} -print-file-name=crtend.o; fi` /usr/lib32/crtn.o -init __do_global_ctors -fini __do_global_dtors'
 191   ;;
 192
 193 m68*-motorola-sysv)
 194   HOSTING_CRT0='`if [ -f ../gcc/crt0.o ]; then echo ../gcc/crt0.o; elif [ -f \`${CC} -print-file-name=\`crt0.o ]; then echo \`${CC} -print-file-name=\`crt0.o; else echo /lib/crt0.o; fi`'
 195   HOSTING_LIBS=`sed -e 's,-lc,-lc881,' <<EOF
 196 $HOSTING_LIBS
 197 EOF`
 198   ;;
 199
 200 m68*-sun-*)
 201   HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
 202   ;;
 203
 204 m88*-*-dgux*)
 205   HDEFINES=-D__using_DGUX
 206   HOSTING_CRT0='/lib/crt0.o -X'
 207   HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
 208   ;;
 209
 210 m88*-motorola-sysv3)
 211   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
 212   HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
 213   ;;
 214
 215 sparc-*-solaris2*)
 216   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 ${CC} -print-file-name=crtbegin.o; fi`'
 217   HOSTING_LIBS="$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`'
 218   ;;
 219
 220 sparc64-*-solaris2* | sparcv9-*-solaris2*)
 221   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 ${CC} -print-file-name=crtbegin.o; fi`'
 222   HOSTING_LIBS="$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`'
 223   ;;
 224
 225 *-*-dragonfly*)
 226   ;;
 227
 228 *-*-freebsd* | *-*-kfreebsd*-gnu)
 229   ;;
 230
 231 *-*-linux* | *-*-gnu*)
 232   ;;
 233
 234 *-*-netbsd*)
 235   ;;
 236
 237 *-*-openbsd*)
 238   ;;
 239
 240 alpha*-*-*)
 241   HOSTING_CRT0=/usr/ccs/lib/crt0.o
 242   ;;
 243
 244 esac