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 #  CC                   compiler to use (only if needed and not already set)
   8 #  HDEFINES             host specific compiler flags
   9 #  HOSTING_CRT0         crt0.o file used for bootstrapping
  10 #  HOSTING_LIBS         libraries used for bootstrapping
  11 #  NATIVE_LIB_DIRS      library directories to search on this host
  12 #  HLDFLAGS             link flags to use on this 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 "${host}" in
  21
  22 alpha-*-linux*)
  23   HOSTING_CRT0=/usr/lib/crt0.o
  24   ;;
  25
  26 alpha-*-*)
  27   HOSTING_CRT0=/usr/ccs/lib/crt0.o
  28   NATIVE_LIB_DIRS=/usr/ccs/lib
  29   ;;
  30
  31 i[345]86-*-bsd* | i[345]86-*-freebsd* | i[345]86-*-netbsd*)
  32   # The new BSD `make' has a bug: it doesn't pass empty arguments in
  33   # shell commands.  So we need to make this value non-empty in order
  34   # for the genscripts.sh call to work.  There's nothing magic about
  35   # the value `/lib'; it's just a dummy.
  36   NATIVE_LIB_DIRS=/lib
  37   HOSTING_CRT0=/usr/lib/crt0.o
  38   ;;
  39
  40 i[345]86-*-go32*)
  41   test -z "${CC}" && CC="i386-go32-gcc -O2 -fno-omit-frame-pointer -Wl,-S"
  42   ;;
  43
  44 i[345]86-*-sysv4*)
  45   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`'
  46   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'
  47   NATIVE_LIB_DIRS=/usr/ccs/lib
  48   ;;
  49
  50 i[345]86-sequent-ptx* | i[345]86-sequent-sysv*)
  51   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`'
  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; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi`'
  53   ;;
  54
  55 i[345]86-*-sysv*)
  56   HOSTING_CRT0='/lib/crt1.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/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; fi` /lib/crtn.o'
  58   ;;
  59
  60 i[345]86-*-solaris*)
  61   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`'
  62   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`'
  63   NATIVE_LIB_DIRS=/usr/ccs/lib
  64   ;;
  65
  66 i[345]86-*-sco* | i[345]86-*-isc*)
  67   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`'
  68   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'
  69   ;;
  70
  71 i[345]86-*-linuxaout* | i[345]86-*-linuxoldld)
  72   HOSTING_CRT0=/usr/lib/crt0.o
  73   ;;
  74
  75 i[345]86-*-linux*)
  76   HOSTING_CRT0='/usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o'
  77   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'
  78   ;;
  79
  80 i[345]86-*-lynxos*)
  81   HOSTING_CRT0=/lib/init1.o
  82   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc -lm /lib/initn.o'
  83   ;;
  84
  85 mips*-dec-bsd*)
  86   HOSTING_CRT0=/usr/lib/crt0.o
  87   ;;
  88
  89 mips*-sgi-irix4*)
  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 mips*-sgi-irix5*)
  95   HOSTING_CRT0=/usr/lib/crt1.o
  96   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc /usr/lib/crtn.o'
  97   ;;
  98
  99 m68*-*-lynxos*)
 100   HOSTING_CRT0=/lib/init1.o
 101   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi` -lc -lm /lib/initn.o'
 102   ;;
 103
 104 m68*-motorola-sysv)
 105   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`'
 106   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`'
 107   ;;
 108
 109 m68*-sun-*)
 110   HOSTING_CRT0='/usr/lib/crt0.o /usr/lib/Fcrt1.o -L/usr/lib/fsoft.o'
 111   ;;
 112
 113 m88*-*-dgux*)
 114   HDEFINES=-D__using_DGUX
 115   HOSTING_CRT0=/lib/crt0.o -X
 116   HOSTING_LIBS=/usr/sde/m88kbcs/lib/libc.a
 117   ;;
 118
 119 m88*-motorola-sysv3)
 120   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`'
 121   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`'
 122   ;;
 123
 124 romp-*-*)
 125   HDEFINES=-DNO_VARARGS
 126   CC=${CC-gcc}
 127   ;;
 128
 129 sparc-*-solaris2*)
 130   HOSTING_CRT0='`if [ -f ../gcc/crt1.o ]; then echo ../gcc/crt1.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crt1.o/'; fi` `if [ -f ../gcc/crti.o ]; then echo ../gcc/crti.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crti.o/'; fi` /usr/ccs/lib/values-Xa.o `if [ -f ../gcc/crtbegin.o ]; then echo ../gcc/crtbegin.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtbegin.o/'; fi`'
 131   HOSTING_LIBS='`if [ -f ../gcc/libgcc.a ] ; then echo ../gcc/libgcc.a ; else gcc -print-libgcc-file-name; fi`  -lc `if [ -f ../gcc/crtend.o ]; then echo ../gcc/crtend.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtend.o/'; fi` `if [ -f ../gcc/crtn.o ]; then echo ../gcc/crtn.o; else gcc -print-libgcc-file-name | sed -e 's/libgcc.a/crtn.o/'; fi`'
 132   NATIVE_LIB_DIRS=/usr/ccs/lib
 133   ;;
 134
 135 esac
 136
 137 HLDFLAGS=
 138 RPATH_ENVVAR=LD_LIBRARY_PATH
 139 # If we have shared libraries, try to set rpath reasonably.
 140 if test "${shared}" = "true"; then
 141   case "${host}" in
 142   *-*-hpux*)
 143     HLDFLAGS='-Wl,+s,+b,$(libdir)'
 144     RPATH_ENVVAR=SHLIB_PATH
 145     ;;
 146   *-*-irix5*)
 147     HLDFLAGS='-Wl,-rpath,$(libdir)'
 148     ;;
 149   *-*-linux*aout*)
 150     ;;
 151   *-*-linux*)
 152     HLDFLAGS='-Wl,-rpath,$(libdir)'
 153     ;;
 154   *-*-sysv4* | *-*-solaris*)
 155     HLDFLAGS='-R $(libdir)'
 156     ;;
 157   esac
 158 fi
 159
 160 # On SunOS, if the linker supports the -rpath option, use it to
 161 # prevent ../bfd and ../opcodes from being included in the run time
 162 # search path.
 163 case "${host}" in
 164   *-*-sunos*)
 165     echo 'main () { }' > conftest.c
 166     ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
 167     if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
 168       :
 169     elif grep 'No such file' conftest.t >/dev/null 2>&1; then
 170       :
 171     elif test "${shared}" = "true"; then
 172       HLDFLAGS='-Wl,-rpath=$(libdir)'
 173     else
 174       HLDFLAGS='-Wl,-rpath='
 175     fi
 176     rm -f conftest.t conftest.c conftest
 177     ;;
 178 esac