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 # This file sets the following shell variables:
   7 #  HDEFINES             host specific compiler flags
   8 #  HOSTING_CRT0         crt0.o file used for bootstrapping
   9 #  HOSTING_LIBS         libraries used for bootstrapping
  10 #  NATIVE_LIB_DIRS      library directories to search on this host
  11 #  HLDFLAGS             link flags to use on this host
  12 #  RPATH_ENVVAR         environment variable used to find shared libraries
  13
  14 HDEFINES=
  15 HOSTING_CRT0=/lib/crt0.o
  16 HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc'
  17 NATIVE_LIB_DIRS=
  18
  19 case "${host}" in
  20
  21 alpha-*-linux*)
  22   HOSTING_CRT0=/usr/lib/crt0.o
  23   ;;
  24
  25 alpha-*-*)
  26   HOSTING_CRT0=/usr/ccs/lib/crt0.o
  27   NATIVE_LIB_DIRS=/usr/ccs/lib
  28   ;;
  29
  30 i[345]86-*-bsd* | i[345]86-*-freebsd* | i[345]86-*-netbsd*)
  31   # The new BSD `make' has a bug: it doesn't pass empty arguments in
  32   # shell commands.  So we need to make this value non-empty in order
  33   # for the genscripts.sh call to work.  There's nothing magic about
  34   # the value `/lib'; it's just a dummy.
  35   NATIVE_LIB_DIRS=/lib
  36   HOSTING_CRT0=/usr/lib/crt0.o
  37   ;;
  38
  39 i[345]86-*-sysv4*)
  40   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 gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
  41   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`  -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi` /usr/ccs/lib/crtn.o'
  42   NATIVE_LIB_DIRS=/usr/ccs/lib
  43   ;;
  44
  45 i[345]86-sequent-ptx* | i[345]86-sequent-sysv*)
  46   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
  47   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi`'
  48   ;;
  49
  50 i[345]86-*-sysv*)
  51   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; fi`'
  52   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`  -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; fi` /lib/crtn.o'
  53   ;;
  54
  55 i[345]86-*-solaris*)
  56   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crt1.o/'; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crti.o/'; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
  57   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`  -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtn.o/'; fi`'
  58   NATIVE_LIB_DIRS=/usr/ccs/lib
  59   ;;
  60
  61 i[345]86-*-sco* | i[345]86-*-isc*)
  62   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
  63   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi` /lib/crtn.o'
  64   ;;
  65
  66 i[345]86-*-linuxaout* | i[345]86-*-linuxoldld)
  67   HOSTING_CRT0=/usr/lib/crt0.o
  68   ;;
  69
  70 i[345]86-*-linux*)
  71   HOSTING_CRT0='/usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o'
  72   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc /usr/lib/crtend.o /usr/lib/crtn.o'
  73   ;;
  74
  75 i[345]86-*-lynxos*)
  76   HOSTING_CRT0=/lib/init1.o
  77   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc -lm /lib/initn.o'
  78   ;;
  79
  80 mips*-dec-bsd*)
  81   HOSTING_CRT0=/usr/lib/crt0.o
  82   ;;
  83
  84 mips*-sgi-irix4*)
  85   HOSTING_CRT0=/usr/lib/crt1.o
  86   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc /usr/lib/crtn.o'
  87   ;;
  88
  89 mips*-sgi-irix5*)
  90   HOSTING_CRT0=/usr/lib/crt1.o
  91   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc /usr/lib/crtn.o'
  92   ;;
  93
  94 m68*-*-lynxos*)
  95   HOSTING_CRT0=/lib/init1.o
  96   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc -lm /lib/initn.o'
  97   ;;
  98
  99 m68*-motorola-sysv)
 100   HOSTING_CRT0='`if [ -f ../gcc/crt0.o ]; then echo ../gcc/crt0.o; elif [ -f \`gcc -print-file-name=\`crt0.o ]; then echo \`gcc -print-file-name=\`crt0.o; else echo /lib/crt0.o; fi`'
 101   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc881 `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`'
 102   ;;
 103
 104 m68*-sun-*)
 105   HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
 106   ;;
 107
 108 m88*-*-dgux*)
 109   HDEFINES=-D__using_DGUX
 110   HOSTING_CRT0=/lib/crt0.o -X
 111   HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
 112   ;;
 113
 114 m88*-motorola-sysv3)
 115   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
 116   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi` `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`'
 117   ;;
 118
 119 romp-*-*)
 120   HDEFINES=-DNO_VARARGS
 121   ;;
 122
 123 sparc-*-solaris2*)
 124   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crt1.o/'; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crti.o/'; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
 125   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`  -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtn.o/'; fi`'
 126   NATIVE_LIB_DIRS=/usr/ccs/lib
 127   ;;
 128
 129 esac
 130
 131 HLDFLAGS=
 132 RPATH_ENVVAR=LD_LIBRARY_PATH
 133 # If we have shared libraries, try to set rpath reasonably.
 134 if test "${shared}" = "true"; then
 135   case "${host}" in
 136   *-*-hpux*)
 137     HLDFLAGS='-Wl,+s,+b,$(libdir)'
 138     RPATH_ENVVAR=SHLIB_PATH
 139     ;;
 140   *-*-irix5*)
 141     HLDFLAGS='-Wl,-rpath,$(libdir)'
 142     ;;
 143   *-*-linux*aout*)
 144     ;;
 145   *-*-linux*)
 146     HLDFLAGS='-Wl,-rpath,$(libdir)'
 147     ;;
 148   *-*-sysv4* | *-*-solaris*)
 149     HLDFLAGS='-R $(libdir)'
 150     ;;
 151   esac
 152 fi
 153
 154 # On SunOS, if the linker supports the -rpath option, use it to
 155 # prevent ../bfd and ../opcodes from being included in the run time
 156 # search path.
 157 case "${host}" in
 158   *-*-sunos*)
 159     echo 'main () { }' > conftest.c
 160     ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
 161     if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
 162       :
 163     elif grep 'No such file' conftest.t >/dev/null 2>&1; then
 164       :
 165     elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
 166       :
 167     elif test "${shared}" = "true"; then
 168       HLDFLAGS='-Wl,-rpath=$(libdir)'
 169     else
 170       HLDFLAGS='-Wl,-rpath='
 171     fi
 172     rm -f conftest.t conftest.c conftest
 173     ;;
 174 esac