2007-05-30 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / libjava / configure.host

diff --git a/libjava/configure.host b/libjava/configure.host
index 4d4c6e3..edaa679 100644 (file)
--- a/libjava/configure.host
+++ b/libjava/configure.host
@@ -28,10 +28,11 @@
 #                      pthread_self calls by caching thread IDs in a hashtable
 #   can_unwind_signal   Set to "yes" if the EH unwinder supports throwing
 #                      from a signal handler.
-#   disable_dladdr      Set to "yes" if dladdr should not be used
-#                       (i.e it is broken).
 #   fallback_backtrace_h  Header to use for fallback backtrace implementation
 #                        (only for targets that don't support DWARF2 unwind)
+#   descriptor_h       Header to use for looking past function descriptors
+#   use_libgcj_bc      Whether to build a "libgcj-bc" library for BC-ABI
+#                      binaries to link against.
 
 libgcj_flags=
 libgcj_cflags=
@@ -43,7 +44,6 @@ enable_hash_synchronization_default=no
 sysdeps_dir=generic
 slow_pthread_self=
 can_unwind_signal=no
-disable_dladdr=
 fallback_backtrace_h=sysdep/generic/backtrace.h
 
 case "${target_optspace}:${host}" in
@@ -68,6 +68,7 @@ echo "$target"
 DIVIDESPEC=-fuse-divide-subroutine
 EXCEPTIONSPEC=-fnon-call-exceptions
 CHECKREFSPEC=
+BACKTRACESPEC=
 
 # This case statement supports per-CPU defaults.
 case "${host}" in
@@ -91,9 +92,15 @@ case "${host}" in
        enable_java_net_default=no
        enable_getenv_properties_default=no
        ;;
+  mipsel-*|mips-*)
+       libgcj_interpreter=yes
+       ;;
   i686-*|i586-*|i486-*|i386-*)
        sysdeps_dir=i386
-       libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
+       # With -fomit-frame-pointer -maccumulate-outgoing-args (implied),
+       # the .text section of libgcj.so is 30k larger, and the .eh_frame
+       # section is 1.4M smaller.
+       libgcj_flags="${libgcj_flags} -ffloat-store -fomit-frame-pointer"
        libgcj_interpreter=yes
        libgcj_cxxflags=
        libgcj_cflags=
@@ -103,10 +110,17 @@ case "${host}" in
        ;;
   x86_64-*)
        sysdeps_dir=x86-64
-       libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
+       # For 64-bit we always use SSE registers for arithmetic,
+       # which doesn't have the extra precision problems of the fpu.
+       # But be careful about 32-bit multilibs.
+       case " $CC " in
+       *" -m32 "*)
+               libgcj_flags="${libgcj_flags} -ffloat-store" ;;
+       esac
+       libgcj_flags="${libgcj_flags} -fomit-frame-pointer"
        libgcj_cxxflags=
        libgcj_cflags=
-       DIVIDESPEC=-f%{m32:no-}use-divide-subroutine
+       DIVIDESPEC=-fno-use-divide-subroutine
        enable_hash_synchronization_default=yes
        slow_pthread_self=yes
        libgcj_interpreter=yes
@@ -118,10 +132,10 @@ case "${host}" in
        enable_hash_synchronization_default=yes
        IEEESPEC=-mieee
        ;;
-  hppa-*)
+  hppa*-*)
        sysdeps_dir=pa
        libgcj_interpreter=yes
-       enable_hash_synchronization_default=yes
+       enable_hash_synchronization_default=no
        ;;
   powerpc64*-*)
        sysdeps_dir=powerpc
@@ -145,6 +159,10 @@ case "${host}" in
        enable_hash_synchronization_default=yes
        ;;
   sparc*-*)
+       sysdeps_dir=sparc
+       # On Solaris we have defined 'sun' which later conflicts with 
+       # namespace usage. So to work this away we use the below undefine.
+       libgcj_flags="${libgcj_flags} -Usun"
        libgcj_interpreter=yes
         ;;
   ia64-*)
@@ -158,6 +176,7 @@ case "${host}" in
        libgcj_flags="${libgcj_flags} -mieee"
        libgcj_interpreter=yes
        enable_hash_synchronization_default=yes
+       IEEESPEC=-mieee
        ;;
 esac
 
@@ -227,6 +246,14 @@ EOF
          rm -f conftest conftest.c
        fi
        ;;
+   i[34567]86*-kfreebsd*-gnu | x86_64*-kfreebsd*-gnu)
+        libgcj_ld_symbolic='-Wl,-Bsymbolic'
+        slow_pthread_self=
+        ;;
+  i[34567]86-*-solaris2.1[0-9]* )
+       sysdeps_dir=x86-64
+       DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
+       ;;
   mips*-*-linux* )
        sysdeps_dir=mips
        can_unwind_signal=yes
@@ -234,7 +261,6 @@ EOF
        case "${host}" in
            mipsel*-linux* | mipsisa32el*-linux*)
                enable_hash_synchronization_default=yes
-               disable_dladdr=yes
            ;;
        esac
        ;;
@@ -243,10 +269,16 @@ EOF
        slow_pthread_self=
        can_unwind_signal=yes
        ;;
+  i?86-*-darwin*)
+       enable_hash_synchronization_default=yes
+       slow_pthread_self=
+       can_unwind_signal=no
+       ;;
   *-*-freebsd*)
        slow_pthread_self=
        ;;
   *-mingw*)
+        libgcj_flags="${libgcj_flags} -fno-omit-frame-pointer"
        # FIXME: win32_exception_handler( ) in win32.cc does not do the
        # right stuff yet w.r.t. SEH. Live with the following for now.
        can_unwind_signal=no
@@ -259,14 +291,55 @@ EOF
        enable_hash_synchronization_default=no
        slow_pthread_self=
        ;;
+  hppa*-hp-hpux11.*)
+       slow_pthread_self=no
+       can_unwind_signal=yes
+       DIVIDESPEC=-fuse-divide-subroutine
+       ;;
 esac
 
 case "${host}" in
   *-cygwin* | *-mingw*)
        fallback_backtrace_h=sysdep/i386/backtrace.h  
+       # We need a frame pointer on Windows, so override BACKTRACESPEC
+       BACKTRACESPEC=
   ;;
 esac
 
+case "${host}" in
+  ia64-*)
+       descriptor_h=sysdep/descriptor-y.h
+       ;;
+
+  hppa*64*-*-hpux*)
+       descriptor_h=sysdep/pa/descriptor-pa64-hpux.h
+       ;;
+
+  hppa*-*-hpux*)
+       descriptor_h=sysdep/pa/descriptor-pa32-hpux.h
+       ;;
+
+  hppa*-*)
+       descriptor_h=sysdep/pa/descriptor.h
+       ;;
+
+  rs6000-* | powerpc*-*)
+       descriptor_h=sysdep/powerpc/descriptor.h
+       ;;
+
+  *)
+       descriptor_h=sysdep/descriptor-n.h
+       ;;
+esac
+
+case "${host}" in
+  *linux*|*-kfreebsd*-gnu)
+    use_libgcj_bc=yes
+  ;;
+  *)
+    use_libgcj_bc=no
+  ;;
+esac    
 
 libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
 libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"