X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libjava%2Fconfigure.host;h=79ce4d68d954490ec74cc18aa79ae4ad853bb9eb;hb=e49af22bc7fe288677ea5649fa35eef6ce3e03c4;hp=cbecf04106e46764b2656f47d48772686ff7ce53;hpb=7469aed1a109553a8a319fdc7cec5dcc7cddb311;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/libjava/configure.host b/libjava/configure.host
index cbecf04106e..79ce4d68d95 100644
--- a/libjava/configure.host
+++ b/libjava/configure.host
@@ -28,8 +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=
@@ -41,7 +44,7 @@ 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
   yes:*)
@@ -65,10 +68,11 @@ echo "$target"
 DIVIDESPEC=-fuse-divide-subroutine
 EXCEPTIONSPEC=-fnon-call-exceptions
 CHECKREFSPEC=
+BACKTRACESPEC=
 
 # This case statement supports per-CPU defaults.
 case "${host}" in
-  arm*-elf | strongarm*-elf | xscale*-elf)
+  arm*-elf)
 	with_libffi_default=no
 	PROCESS=Ecos
 	FILE=Posix
@@ -77,6 +81,12 @@ case "${host}" in
 	enable_java_net_default=no
 	enable_getenv_properties_default=no
 	enable_main_args_default=no
+	sysdeps_dir=arm
+	;;
+  arm*-linux*)
+	libgcj_interpreter=yes
+	sysdeps_dir=arm
+	fallback_backtrace_h=sysdep/arm/backtrace.h
 	;;
   mips-tx39-*|mipstx39-unknown-*)
 	libgcj_flags="${libgcj_flags} -G 0"
@@ -88,9 +98,18 @@ case "${host}" in
  	enable_java_net_default=no
  	enable_getenv_properties_default=no
 	;;
+  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"
+	# On Solaris we have defined 'sun' which later conflicts with 
+	# namespace usage. So to work this away we use the below undefine.
+	libgcj_flags="${libgcj_flags} -Usun"
 	libgcj_interpreter=yes
 	libgcj_cxxflags=
 	libgcj_cflags=
@@ -100,10 +119,17 @@ case "${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="${libgcj_flags} -fomit-frame-pointer"
 	libgcj_cxxflags=
 	libgcj_cflags=
-	DIVIDESPEC=-f%{m32:no-}use-divide-subroutine
+	DIVIDESPEC=-fno-use-divide-subroutine
 	enable_hash_synchronization_default=yes
 	slow_pthread_self=yes
 	libgcj_interpreter=yes
@@ -115,10 +141,14 @@ case "${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
+	;;
+  m68k-*)
+	sysdeps_dir=m68k
+	libgcj_interpreter=yes
 	;;
   powerpc64*-*)
 	sysdeps_dir=powerpc
@@ -142,6 +172,10 @@ 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-*)
@@ -155,6 +189,7 @@ case "${host}" in
 	libgcj_flags="${libgcj_flags} -mieee"
 	libgcj_interpreter=yes
 	enable_hash_synchronization_default=yes
+	IEEESPEC=-mieee
 	;;
 esac
 
@@ -171,8 +206,10 @@ case "${host}" in
   ia64-* | \
   x86_64*-linux* | \
   hppa*-linux* | \
+  m68k*-linux* | \
   sh-linux* | sh[34]*-linux*)
   	can_unwind_signal=yes
+	libgcj_ld_symbolic='-Wl,-Bsymbolic'
 	if test x$slow_pthread_self = xyes \
 	   && test x$cross_compiling != xyes; then
 	  cat > conftest.c <<EOF
@@ -223,27 +260,57 @@ EOF
 	  rm -f conftest conftest.c
 	fi
 	;;
+   i[34567]86*-kfreebsd*-gnu | x86_64*-kfreebsd*-gnu)
+        libgcj_ld_symbolic='-Wl,-Bsymbolic'
+        slow_pthread_self=
+        ;;
+  i[34567]86-*-solaris2.1[0-9]* )
+	sysdeps_dir=x86-64
+	DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
+	;;
+  mips-sgi-irix6* )
+	sysdeps_dir=mips
+	# disable interpreter, no closure support for N32 and N64 ABIs
+	libgcj_interpreter=no
+	;;
+  arm*-linux* )
+	slow_pthread_self=no
+	can_unwind_signal=no
+	CHECKREFSPEC=-fcheck-references
+	DIVIDESPEC=-fuse-divide-subroutine
+	;;
   mips*-*-linux* )
   	sysdeps_dir=mips
   	can_unwind_signal=yes
-	libgcj_flags="${libgcj_flags} -mxgot"
 	DIVIDESPEC=-fno-use-divide-subroutine
-	case "${host}" in
-	    mipsel*-linux* | mipsisa32el*-linux*)
-		enable_hash_synchronization_default=yes
-		disable_dladdr=yes
-	    ;;
-	esac
+	enable_hash_synchronization_default=yes
 	;;
   powerpc*-*-darwin*)
 	enable_hash_synchronization_default=yes
 	slow_pthread_self=
 	can_unwind_signal=yes
 	;;
+  i?86-*-darwin*)
+	enable_hash_synchronization_default=yes
+	slow_pthread_self=
+	can_unwind_signal=no
+	;;
+  i?86-*-darwin[912]*)
+	can_unwind_signal=yes
+	DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
+        ;;
+  x86_64-*-darwin[912]*)
+	enable_hash_synchronization_default=yes
+	slow_pthread_self=
+	can_unwind_signal=yes
+	DIVIDESPEC=-fuse-divide-subroutine
+	CHECKREFSPEC=-fcheck-references
+	;;
   *-*-freebsd*)
 	slow_pthread_self=
 	;;
   *-mingw*)
+        libgcj_flags="${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
@@ -256,8 +323,56 @@ 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 "${host}" in
+  *linux*|*-kfreebsd*-gnu|*-gnu*)
+    use_libgcj_bc=yes
+  ;;
+  *)
+    use_libgcj_bc=no
+  ;;
+esac    
+
 libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
 libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"
 libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"