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 #  HLDENV               environment variable to set when linking for the host
  13 #  RPATH_ENVVAR         environment variable used to find shared libraries
  14
  15 HDEFINES=
  16 HOSTING_CRT0=/lib/crt0.o
  17 HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc'
  18 NATIVE_LIB_DIRS=
  19
  20 case "${host}" in
  21
  22 alpha-*-linux*)
  23   HOSTING_CRT0=/usr/lib/crt0.o
  24   ;;
  25
  26 alpha-*-*)
  27   HOSTING_CRT0=/usr/ccs/lib/crt0.o
  28   NATIVE_LIB_DIRS=/usr/ccs/lib
  29   ;;
  30
  31 i[3456]86-*-bsd* | i[3456]86-*-freebsd* | i[3456]86-*-netbsd*)
  32   # The new BSD `make' has a bug: it doesn't pass empty arguments in
  33   # shell commands.  So we need to make this value non-empty in order
  34   # for the genscripts.sh call to work.  There's nothing magic about
  35   # the value `/lib'; it's just a dummy.
  36   NATIVE_LIB_DIRS=/lib
  37   HOSTING_CRT0=/usr/lib/crt0.o
  38   ;;
  39
  40 i[3456]86-*-sysv4*)
  41   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-file-name=crtbegin.o; fi`'
  42   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-file-name=crtend.o; fi` /usr/ccs/lib/crtn.o'
  43   NATIVE_LIB_DIRS=/usr/ccs/lib
  44   ;;
  45
  46 i[3456]86-sequent-ptx* | i[3456]86-sequent-sysv*)
  47   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-file-name=crtbegin.o; fi`'
  48   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-file-name=crtend.o; fi`'
  49   ;;
  50
  51 i[3456]86-*-sysv*)
  52   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; fi`'
  53   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'
  54   ;;
  55
  56 i[3456]86-*-solaris*)
  57   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else gcc -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else gcc -print-file-name=crti.o; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-file-name=crtbegin.o; fi`'
  58   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-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else gcc -print-file-name=crtn.o; fi`'
  59   NATIVE_LIB_DIRS=/usr/ccs/lib
  60   ;;
  61
  62 i[3456]86-*-sco* | i[3456]86-*-isc*)
  63   # In some configurations gcc does not use crtbegin.o and crtend.o.
  64   # In that case gcc -print-file-name=crtbegin.o will simply print
  65   # crtbegin.o.  We create dummy crtbegin.o and crtend.o files to
  66   # handle this.
  67   echo "int dummy_crtbegin () { return 0; }" > crtbegin.c
  68   ${CC} -c crtbegin.c -o crtbegin.o
  69   rm -f crtbegin.c
  70   echo "int dummy_crteng () { return 0; }" > crtend.c
  71   ${CC} -c crtend.c -o crtend.o
  72   rm -f crtend.c
  73   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-file-name=crtbegin.o; fi`'
  74   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-file-name=crtend.o; fi` /lib/crtn.o'
  75   ;;
  76
  77 i[3456]86-*-linux*aout* | i[3456]86-*-linuxoldld)
  78   HOSTING_CRT0=/usr/lib/crt0.o
  79   ;;
  80
  81 i[3456]86-*-linux*)
  82   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 gcc --print-file-name=crtbegin.o; fi`'
  83   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; elif [ -f /usr/lib/crtend.o ]; then echo /usr/lib/crtend.o; else gcc --print-file-name=crtend.o; fi` /usr/lib/crtn.o'
  84   ;;
  85
  86 i[3456]86-*-lynxos*)
  87   HOSTING_CRT0=/lib/init1.o
  88   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc -lm /lib/initn.o'
  89   ;;
  90
  91 mips*-dec-bsd*)
  92   HOSTING_CRT0=/usr/lib/crt0.o
  93   ;;
  94
  95 mips*-sgi-irix4*)
  96   HOSTING_CRT0=/usr/lib/crt1.o
  97   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc /usr/lib/crtn.o'
  98   ;;
  99
 100 mips*-sgi-irix[56]*)
 101   HOSTING_CRT0=/usr/lib/crt1.o
 102   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc /usr/lib/crtn.o'
 103   ;;
 104
 105 m68*-*-linux*aout*)
 106   HOSTING_CRT0=/usr/lib/crt0.o
 107   ;;
 108
 109 m68*-*-linux*libc1*)
 110   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 gcc --print-file-name=crtbegin.o; fi`'
 111   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; elif [ -f /usr/lib/crtend.o ]; then echo /usr/lib/crtend.o; else gcc --print-file-name=crtend.o; fi` /usr/lib/crtn.o'
 112   ;;
 113
 114 m68*-*-linux*)
 115   HOSTING_CRT0='-dynamic-linker /lib/ld.so.1 /usr/lib/crt1.o /usr/lib/crti.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc --print-file-name=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/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc --print-file-name=crtend.o; fi` /usr/lib/crtn.o'
 117   ;;
 118
 119 m68*-*-lynxos*)
 120   HOSTING_CRT0=/lib/init1.o
 121   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc -lm /lib/initn.o'
 122   ;;
 123
 124 m68*-motorola-sysv)
 125   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`'
 126   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`'
 127   ;;
 128
 129 m68*-sun-*)
 130   HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
 131   ;;
 132
 133 m88*-*-dgux*)
 134   HDEFINES=-D__using_DGUX
 135   HOSTING_CRT0='/lib/crt0.o -X'
 136   HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
 137   ;;
 138
 139 m88*-motorola-sysv3)
 140   HOSTING_CRT0='/lib/crt0.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-file-name=crtbegin.o; fi`'
 141   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-file-name=crtend.o; fi` `if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`'
 142   ;;
 143
 144 romp-*-*)
 145   HDEFINES=-DNO_VARARGS
 146   ;;
 147
 148 sparc*-*-solaris2*)
 149   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else gcc -print-file-name=crt1.o; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else gcc -print-file-name=crti.o; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-file-name=crtbegin.o; fi`'
 150   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-file-name=crtend.o; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else gcc -print-file-name=crtn.o; fi`'
 151   NATIVE_LIB_DIRS=/usr/ccs/lib
 152   ;;
 153
 154 esac
 155
 156 HLDFLAGS=
 157 HLDENV=
 158 RPATH_ENVVAR=LD_LIBRARY_PATH
 159 # If we have shared libraries, try to set rpath reasonably.
 160 if test "${shared}" = "true"; then
 161   case "${host}" in
 162   *-*-hpux*)
 163     HLDFLAGS='-Wl,+s,+b,$(libdir)'
 164     RPATH_ENVVAR=SHLIB_PATH
 165     ;;
 166   *-*-irix[56]*)
 167     HLDFLAGS='-Wl,-rpath,$(libdir)'
 168     ;;
 169   *-*-linux*aout*)
 170     ;;
 171   *-*-linux*)
 172     HLDFLAGS='-Wl,-rpath,$(libdir)'
 173     ;;
 174   *-*-solaris*)
 175     HLDFLAGS='-R $(libdir)'
 176     ;;
 177   *-*-sysv4*)
 178     HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
 179     ;;
 180   esac
 181 fi
 182
 183 # On SunOS, if the linker supports the -rpath option, use it to
 184 # prevent ../bfd and ../opcodes from being included in the run time
 185 # search path.
 186 case "${host}" in
 187   *-*-sunos*)
 188     echo 'main () { }' > conftest.c
 189     ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
 190     if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
 191       :
 192     elif grep 'No such file' conftest.t >/dev/null 2>&1; then
 193       :
 194     elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
 195       :
 196     elif test "${shared}" = "true"; then
 197       HLDFLAGS='-Wl,-rpath=$(libdir)'
 198     else
 199       HLDFLAGS='-Wl,-rpath='
 200     fi
 201     rm -f conftest.t conftest.c conftest
 202     ;;
 203 esac