2013-05-06 Paul Brook <paul@codesourcery.com>

[deliverable/binutils-gdb.git] / ld / configure.host

# This is the linker host specific file.  This is invoked by the
# autoconf generated configure script.  Putting it in a separate shell
# file lets us skip running autoconf when modifying host specific
# information.
#
#   Copyright 2012 Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.
#

# This file sets the following shell variables:
#  HDEFINES		host specific compiler flags
#  HOSTING_CRT0		crt0.o file used for bootstrapping
#  HOSTING_LIBS		libraries used for bootstrapping

HDEFINES=
HOSTING_CRT0=/lib/crt0.o
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`'

#
#	Generic configurations:
#

case "${host}" in

*-*-dragonfly*)
  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` `${CC} --print-file-name=crtbegin.o`'
  HOSTING_LIBS='-L`dirname \`${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`'
  ;;

*-*-freebsd* | *-*-kfreebsd*-gnu)
  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` `${CC} --print-file-name=crtbegin.o`'
  HOSTING_LIBS='-L`dirname \`${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`'
  ;;

*-*-linux*aout* | *-*-linux*oldld)
  HOSTING_CRT0=/usr/lib/crt0.o
  ;;

*-*-linux*libc1*)
  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 ${CC} --print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$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'
  ;;

*-*-linux*)
  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 ${CC} --print-file-name=crtbegin.o; fi`'
  HOSTING_SCRT0='-dynamic-linker `${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 ${CC} --print-file-name=crtbeginS.o; fi`'
  HOSTING_LIBS='-L`dirname \`${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`'
  ;;

*-*-gnu*)
  # When creating static executables, we ought to use crt0.o instead of crt1.o,
  # <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>,
  # but the testing infrastructure is not prepared for that.  This is not
  # relevant for most tests, and the few remaining ones have been XFAILed.
  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 ${CC} --print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS='-L`dirname \`${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`'
  ;;

*-*-netbsd*)
  # Different versions of NetBSD with the ELF object format use different
  # sets of start/end files.
  HOSTING_CRT0='-dynamic-linker /usr/libexec/ld.elf_so /usr/lib/crt0.o'
  if [ -f `${CC} --print-file-name=crti.o` ]; then
    # Support for GCC's crtstuff present.
    HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crti.o`"
    if [ -f ../gcc/crtbegin.o ]; then
      HOSTING_CRT0="$HOSTING_CRT0 ../gcc/crtbegin.o"
    else
      HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
    fi
  else
    # Support for GCC's crtstuff not present.
    HOSTING_CRT0="$HOSTING_CRT0 `${CC} --print-file-name=crtbegin.o`"
  fi
  if [ -f `${CC} --print-file-name=crtn.o` ]; then
    # Support for GCC's crtstuff present.
    if [ -f ../gcc/crtbegin.o ]; then
      HOSTING_LIBS="$HOSTING_LIBS ../gcc/crtend.o"
    else
      HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
    fi
    HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtn.o`"
  else
    # Support for GCC's crtstuff not present.
    HOSTING_LIBS="$HOSTING_LIBS `${CC} --print-file-name=crtend.o`"
  fi
  ;;

*-*-openbsd*)
  HOSTING_CRT0="-dynamic-linker /usr/libexec/ld.so /usr/lib/crt0.o"
  HOSTING_CRT0="$HOSTING_CRT0 /usr/lib/crtbegin.o"
  HOSTING_LIBS="$HOSTING_LIBS /usr/lib/crtend.o"
  ;;

esac

#
# Now more specific configurations
#

case "${host}" in

*-*-linux*aout* | *-*-linux*oldld | *-*-linux*libc1*)
  # No further tweaking needed
  ;;

arm*-*-linux-*)
  HOSTING_CRT0='-p '"$HOSTING_CRT0"
  ;;

hppa*64*-*-hpux11*)
  HOSTING_CRT0=/usr/ccs/lib/pa20_64/crt0.o
  # Even if CC is not gcc, the tests use gcc.
  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'
  ;;

i[3-7]86-*-bsd* | i[3-7]86-*-freebsd[12] | i[3-7]86-*-freebsd[12]\.* | i[3-7]86-*-freebsd*aout*)
  HOSTING_CRT0=/usr/lib/crt0.o
  ;;

i[3-7]86-*-sysv4*)
  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 ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$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'
  ;;

i[3-7]86-sequent-ptx* | i[3-7]86-sequent-sysv*)
  HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
  ;;

i[3-7]86-*-sysv*)
  HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; fi`'
  HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; fi` /lib/crtn.o'
  ;;

i[3-7]86-*-solaris*)
  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 ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$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`'
  ;;

i[3-7]86-*-sco* | i[3-7]86-*-isc*)
  # In some configurations gcc does not use crtbegin.o and crtend.o.
  # In that case gcc -print-file-name=crtbegin.o will simply print
  # crtbegin.o.  We create dummy crtbegin.o and crtend.o files to
  # handle this.
  echo "int dummy_crtbegin () { return 0; }" > crtbegin.c
  ${CC} -c crtbegin.c -o crtbegin.o
  rm -f crtbegin.c
  echo "int dummy_crteng () { return 0; }" > crtend.c
  ${CC} -c crtend.c -o crtend.o
  rm -f crtend.c
  HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi` /lib/crtn.o'
  ;;

i[3-7]86-pc-interix*)
  HOSTING_CRT0='$$INTERIX_ROOT/usr/lib/crt0.o'
  HOSTING_LIBS='-L $$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'
  ;;

i[3-7]86-*-cygwin* | x86_64-*-cygwin*)
  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`'
  ;;

i[3-7]86-*-mingw*)
  #We only support msvcrt.dll, crtid == 2.
  HOSTING_CRT0='/mingw/lib/crt2.o'
  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`'
  ;; 

mips*-sgi-irix4* | mips*-sgi-irix5*)
  HOSTING_CRT0=/usr/lib/crt1.o
  HOSTING_LIBS="$HOSTING_LIBS"' /usr/lib/crtn.o'
  ;;

mips*-sgi-irix6*)
  HOSTING_CRT0='/usr/lib32/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o ; else ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS='-L/usr/lib32 '"$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'
  ;;

m68*-motorola-sysv)
  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`'
  HOSTING_LIBS=`sed -e 's,-lc,-lc881,' <<EOF
$HOSTING_LIBS
EOF`
  ;;

m68*-sun-*)
  HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
  ;;

m88*-*-dgux*)
  HDEFINES=-D__using_DGUX
  HOSTING_CRT0='/lib/crt0.o -X'
  HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
  ;;

m88*-motorola-sysv3)
  HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$HOSTING_LIBS"' `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else ${CC} -print-file-name=crtend.o; fi`'
  ;;

sparc-*-solaris2*)
  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 ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$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`'
  ;;

sparc64-*-solaris2* | sparcv9-*-solaris2*)
  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 ${CC} -print-file-name=crtbegin.o; fi`'
  HOSTING_LIBS="$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`'
  ;;

*-*-dragonfly*)
  ;;

*-*-freebsd* | *-*-kfreebsd*-gnu)
  ;;

*-*-linux* | *-*-gnu*)
  ;;

*-*-netbsd*)
  ;;

*-*-openbsd*)
  ;;

alpha*-*-*)
  HOSTING_CRT0=/usr/ccs/lib/crt0.o
  ;;

esac

# Provide default HOSTING_SCRT0.  Each host should define a proper one
# if needed.
if test -z "$HOSTING_SCRT0"; then
  HOSTING_SCRT0="$HOSTING_CRT0"
fi