2006-05-20 Andreas Tobler <a.tobler@schweiz.ch>

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

diff --git a/libjava/configure.host b/libjava/configure.host
index 6db9cd3..c27f54c 100644 (file)
--- a/libjava/configure.host
+++ b/libjava/configure.host
@@ -28,6 +28,9 @@
 #                      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.
+#   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
 
 libgcj_flags=
 libgcj_cflags=
@@ -39,6 +42,7 @@ enable_hash_synchronization_default=no
 sysdeps_dir=generic
 slow_pthread_self=
 can_unwind_signal=no
+fallback_backtrace_h=sysdep/generic/backtrace.h
 
 case "${target_optspace}:${host}" in
   yes:*)
@@ -62,6 +66,7 @@ echo "$target"
 DIVIDESPEC=-fuse-divide-subroutine
 EXCEPTIONSPEC=-fnon-call-exceptions
 CHECKREFSPEC=
+BACKTRACESPEC=
 
 # This case statement supports per-CPU defaults.
 case "${host}" in
@@ -87,20 +92,30 @@ case "${host}" in
        ;;
   i686-*|i586-*|i486-*|i386-*)
        sysdeps_dir=i386
-       libgcj_flags="${libgcj_flags} -ffloat-store"
+       # With -fomit-frame-pointer -maccumulate-outgoing-args (implied),
+       # the .text section of libgcj.so is 30k larger, and the .eh_frame
+       # section is 1.4M smaller.
+       libgcj_flags="${libgcj_flags} -ffloat-store -fomit-frame-pointer"
        libgcj_interpreter=yes
-       libgcj_cxxflags="-D__NO_MATH_INLINES"
-       libgcj_cflags="-D__NO_MATH_INLINES"
+       libgcj_cxxflags=
+       libgcj_cflags=
        DIVIDESPEC=-fno-use-divide-subroutine
        enable_hash_synchronization_default=yes
        slow_pthread_self=yes
        ;;
   x86_64-*)
-       CHECKREFSPEC="%{m32:-fcheck-references}"
        sysdeps_dir=x86-64
-       libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
-       libgcj_cxxflags="-D__NO_MATH_INLINES"
-       libgcj_cflags="-D__NO_MATH_INLINES"
+       # 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="${libgcj_flags} -fomit-frame-pointer"
+       libgcj_cxxflags=
+       libgcj_cflags=
+       DIVIDESPEC=-fno-use-divide-subroutine
        enable_hash_synchronization_default=yes
        slow_pthread_self=yes
        libgcj_interpreter=yes
@@ -112,12 +127,17 @@ case "${host}" in
        enable_hash_synchronization_default=yes
        IEEESPEC=-mieee
        ;;
-  powerpc64*-*)
-       with_libffi_default=yes
+  hppa*-*)
+       sysdeps_dir=pa
        libgcj_interpreter=yes
-       libgcj_flags="${libgcj_flags} -mminimal-toc"
-       # this may not be correct
+       enable_hash_synchronization_default=yes
+       ;;
+  powerpc64*-*)
        sysdeps_dir=powerpc
+       libgcj_interpreter=yes
+       if [ x`$CC -print-multi-os-directory` = x../lib64 ]; then
+           libgcj_flags="${libgcj_flags} -mminimal-toc"
+       fi
        enable_hash_synchronization_default=yes
        slow_pthread_self=yes
        ;;
@@ -130,6 +150,7 @@ case "${host}" in
   s390*-*)
        sysdeps_dir=s390
        libgcj_interpreter=yes
+       DIVIDESPEC=-fno-use-divide-subroutine
        enable_hash_synchronization_default=yes
        ;;
   sparc*-*)
@@ -146,6 +167,7 @@ case "${host}" in
        libgcj_flags="${libgcj_flags} -mieee"
        libgcj_interpreter=yes
        enable_hash_synchronization_default=yes
+       IEEESPEC=-mieee
        ;;
 esac
 
@@ -161,8 +183,10 @@ case "${host}" in
   sparc*-linux* | \
   ia64-* | \
   x86_64*-linux* | \
+  hppa*-linux* | \
   sh-linux* | sh[34]*-linux*)
        can_unwind_signal=yes
+       libgcj_ld_symbolic='-Wl,-Bsymbolic'
        if test x$slow_pthread_self = xyes \
           && test x$cross_compiling != xyes; then
          cat > conftest.c <<EOF
@@ -213,15 +237,30 @@ EOF
          rm -f conftest conftest.c
        fi
        ;;
-  *-*-darwin*)
-       enable_hash_synchronization_default=no
+  i[34567]86-*-solaris2.1[0-9]* )
+       sysdeps_dir=x86-64
+       DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
+       ;;
+  mips*-*-linux* )
+       sysdeps_dir=mips
+       can_unwind_signal=yes
+       DIVIDESPEC=-fno-use-divide-subroutine
+       case "${host}" in
+           mipsel*-linux* | mipsisa32el*-linux*)
+               enable_hash_synchronization_default=yes
+           ;;
+       esac
+       ;;
+  powerpc*-*-darwin*)
+       enable_hash_synchronization_default=yes
        slow_pthread_self=
-       can_unwind_signal=no
+       can_unwind_signal=yes
        ;;
   *-*-freebsd*)
        slow_pthread_self=
        ;;
   *-mingw*)
+        libgcj_flags="${libgcj_flags} -fno-omit-frame-pointer"
        # FIXME: win32_exception_handler( ) in win32.cc does not do the
        # right stuff yet w.r.t. SEH. Live with the following for now.
        can_unwind_signal=no
@@ -234,6 +273,45 @@ EOF
        enable_hash_synchronization_default=no
        slow_pthread_self=
        ;;
+  hppa*-hp-hpux11.*)
+       slow_pthread_self=no
+       can_unwind_signal=yes
+       DIVIDESPEC=-fuse-divide-subroutine
+       ;;
+esac
+
+case "${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
 
 libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"