X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libjava%2Fconfigure.host;h=5f32bfbe5c414774ebe34a3db60b46bb59501936;hb=a69ced9fb37ddbdbb03ca54d3b926b3de6968d46;hp=6d6f4c9860377b0afd930c98b7e5d3ebe31f40a1;hpb=c971ebf66893a36624f1c8c9ec4eae7c617ae212;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libjava/configure.host b/libjava/configure.host index 6d6f4c98603..5f32bfbe5c4 100644 --- a/libjava/configure.host +++ b/libjava/configure.host @@ -18,13 +18,34 @@ # libgcj_cflags Special CFLAGS to use when building # libgcj_cxxflags Special CXXFLAGS to use when building # libgcj_javaflags Special JAVAFLAGS to use when building +# libgcj_interpreter If the bytecode interpreter supports this platform. +# enable_java_net_default If java.net native code should be enabled by +# default. +# enable_hash_synchronization_default If hash synchronization should be +# enabled by default. +# sysdeps_dir Directory containing system-dependent headers +# slow_pthread_self The synchronization code should try to avoid +# 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 libgcj_flags= libgcj_cflags= libgcj_cxxflags= libgcj_javaflags= -libgcj_sjlj= libgcj_interpreter= +enable_java_net_default=yes +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:*) @@ -46,36 +67,223 @@ AM_RUNTESTFLAGS= 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) + with_libffi_default=no + PROCESS=Ecos + FILE=Posix + CHECKREFSPEC=-fcheck-references + EXCEPTIONSPEC= + enable_java_net_default=no + enable_getenv_properties_default=no + enable_main_args_default=no + ;; mips-tx39-*|mipstx39-unknown-*) libgcj_flags="${libgcj_flags} -G 0" LDFLAGS="$LDFLAGS -Tjmr3904dram.ld" AM_RUNTESTFLAGS="--target_board=jmr3904-sim" # Use "Ecos" processes since they are a no-op. PROCESS=Ecos + FILE=Posix enable_java_net_default=no enable_getenv_properties_default=no ;; i686-*|i586-*|i486-*|i386-*) + sysdeps_dir=i386 libgcj_flags="${libgcj_flags} -ffloat-store" libgcj_interpreter=yes - libgcj_cxxflags="-D__NO_MATH_INLINES" - libgcj_cflags="-D__NO_MATH_INLINES" + libgcj_cxxflags= + libgcj_cflags= DIVIDESPEC=-fno-use-divide-subroutine + BACKTRACESPEC=-fomit-frame-pointer + enable_hash_synchronization_default=yes + slow_pthread_self=yes + ;; + x86_64-*) + sysdeps_dir=x86-64 + libgcj_flags="${libgcj_flags} -ffloat-store" + libgcj_cxxflags= + libgcj_cflags= + DIVIDESPEC=-f%{m32:no-}use-divide-subroutine + enable_hash_synchronization_default=yes + slow_pthread_self=yes + libgcj_interpreter=yes ;; alpha*-*) + sysdeps_dir=alpha + libgcj_flags="${libgcj_flags} -mieee" + libgcj_interpreter=yes + enable_hash_synchronization_default=yes + IEEESPEC=-mieee + ;; + hppa-*) + sysdeps_dir=pa + libgcj_interpreter=yes + enable_hash_synchronization_default=yes + ;; + powerpc64*-*) + sysdeps_dir=powerpc + libgcj_interpreter=yes + if [ x`$CC -print-multi-os-directory` = x../lib64 ]; then + libgcj_flags="${libgcj_flags} -mminimal-toc" + fi + enable_hash_synchronization_default=yes + slow_pthread_self=yes + ;; + powerpc*-*) + sysdeps_dir=powerpc libgcj_interpreter=yes + enable_hash_synchronization_default=yes + slow_pthread_self=yes ;; - sparc-*) + s390*-*) + sysdeps_dir=s390 + libgcj_interpreter=yes + DIVIDESPEC=-fno-use-divide-subroutine + enable_hash_synchronization_default=yes + ;; + sparc*-*) + libgcj_interpreter=yes ;; ia64-*) + sysdeps_dir=ia64 libgcj_flags="${libgcj_flags} -funwind-tables" - libgcj_sjlj=yes libgcj_interpreter=yes + enable_hash_synchronization_default=yes + ;; + sh-* | sh[34]*-*) + sysdeps_dir=sh + libgcj_flags="${libgcj_flags} -mieee" + libgcj_interpreter=yes + enable_hash_synchronization_default=yes + IEEESPEC=-mieee + ;; +esac + +# This case statement supports generic port properties and may refine +# the above per-CPU defaults. Note: If your OS implements +# MD_FALLBACK_FRAME_STATE_FOR, then you want to set can_unwind_signal +# here. +case "${host}" in + i[34567]86*-linux* | \ + powerpc*-linux* | \ + alpha*-linux* | \ + s390*-linux* | \ + 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 < +#include +#include +#include + +void * +tf (void *arg __attribute__ ((unused))) +{ + pthread_attr_t a; + size_t s; + + if (pthread_getattr_np (pthread_self (), &a) + || pthread_attr_getstacksize (&a, &s) + || s > 2 * PTHREAD_STACK_MIN) + exit (1); + exit (0); +} + +int +main (int argc, char **argv) +{ + pthread_t p; + void *ret; + struct rlimit r; + + if (argc == 2) + { + r.rlim_cur = 2 * PTHREAD_STACK_MIN; + r.rlim_max = 2 * PTHREAD_STACK_MIN; + if (setrlimit (RLIMIT_STACK, &r)) + exit (1); + execl (argv[1], argv[0], NULL); + exit (1); + } + + if (pthread_create (&p, NULL, tf, NULL) + || pthread_join (p, &ret)) + exit (1); + exit (1); +} +EOF + $CC -o conftest conftest.c -lpthread > /dev/null 2>&1 && \ + ./conftest ./conftest && slow_pthread_self= + rm -f conftest conftest.c + fi + ;; + mips*-*-linux* ) + sysdeps_dir=mips + can_unwind_signal=yes + DIVIDESPEC=-fno-use-divide-subroutine + case "${host}" in + mipsel*-linux* | mipsisa32el*-linux*) + enable_hash_synchronization_default=yes + disable_dladdr=yes + ;; + esac + ;; + powerpc*-*-darwin*) + enable_hash_synchronization_default=yes + slow_pthread_self= + can_unwind_signal=yes + ;; + *-*-freebsd*) + slow_pthread_self= + ;; + *-mingw*) + # 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 + CHECKREFSPEC=-fcheck-references + DIVIDESPEC=-fuse-divide-subroutine + ;; + *-cygwin*) + # The cygwin linker doesn't do 8-byte alignment by default, so + # disable hash synchronization for now. + enable_hash_synchronization_default=no + slow_pthread_self= ;; +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-* | hppa*-*) + descriptor_h=sysdep/descriptor-y.h + ;; + + rs6000-* | powerpc*-*) + descriptor_h=sysdep/powerpc/descriptor.h + ;; + *) - libgcj_sjlj=yes + descriptor_h=sysdep/descriptor-n.h ;; esac