X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libjava%2Fconfigure.host;h=2d04bbca93477c03a96bc97bceba1fbdc9308846;hb=97ba6a6c5b49949797e13746d314d7e626cde433;hp=079cccebad29a5f0cc3b65c4eee17acca8c47bb4;hpb=f414d9a71062e37063de088da3de2a9041d9125c;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libjava/configure.host b/libjava/configure.host index 079cccebad2..2d04bbca934 100644 --- a/libjava/configure.host +++ b/libjava/configure.host @@ -18,6 +18,18 @@ # 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). libgcj_flags= libgcj_cflags= @@ -26,6 +38,10 @@ libgcj_javaflags= libgcj_interpreter= enable_java_net_default=yes enable_hash_synchronization_default=no +sysdeps_dir=generic +slow_pthread_self= +can_unwind_signal=no +disable_dladdr= case "${target_optspace}:${host}" in yes:*) @@ -48,39 +64,190 @@ echo "$target" DIVIDESPEC=-fuse-divide-subroutine EXCEPTIONSPEC=-fnon-call-exceptions +CHECKREFSPEC= +# This case statement supports per-CPU defaults. case "${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="${libgcj_flags} -ffloat-store" libgcj_interpreter=yes - libgcj_cxxflags="-D__NO_MATH_INLINES" - libgcj_cflags="-D__NO_MATH_INLINES" + libgcj_cxxflags= + libgcj_cflags= DIVIDESPEC=-fno-use-divide-subroutine enable_hash_synchronization_default=yes + slow_pthread_self=yes + ;; + x86_64-*) + CHECKREFSPEC="%{m32:-fcheck-references}" + sysdeps_dir=x86-64 + libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer" + libgcj_cxxflags= + libgcj_cflags= + enable_hash_synchronization_default=yes + slow_pthread_self=yes + libgcj_interpreter=yes ;; alpha*-*) + sysdeps_dir=alpha libgcj_flags="${libgcj_flags} -mieee" libgcj_interpreter=yes + enable_hash_synchronization_default=yes + IEEESPEC=-mieee + ;; + powerpc64*-*) + with_libffi_default=yes + libgcj_interpreter=yes + libgcj_flags="${libgcj_flags} -mminimal-toc" + # this may not be correct + sysdeps_dir=powerpc + 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 + ;; + s390*-*) + sysdeps_dir=s390 libgcj_interpreter=yes + enable_hash_synchronization_default=yes ;; - sparc-*) + sparc*-*) + libgcj_interpreter=yes ;; ia64-*) + sysdeps_dir=ia64 libgcj_flags="${libgcj_flags} -funwind-tables" libgcj_interpreter=yes enable_hash_synchronization_default=yes ;; + sh-* | sh[34]*-*) + sysdeps_dir=sh + libgcj_flags="${libgcj_flags} -mieee" + libgcj_interpreter=yes + enable_hash_synchronization_default=yes + ;; +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 "${host}" in + i[34567]86*-linux* | \ + powerpc*-linux* | \ + alpha*-linux* | \ + s390*-linux* | \ + sparc*-linux* | \ + ia64-* | \ + x86_64*-linux* | \ + sh-linux* | sh[34]*-linux*) + can_unwind_signal=yes + if test x$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 + $CC -o conftest conftest.c -lpthread > /dev/null 2>&1 && \ + ./conftest ./conftest && slow_pthread_self= + rm -f conftest conftest.c + fi + ;; + mips*-*-linux* ) + sysdeps_dir=mips + can_unwind_signal=yes + libgcj_flags="${libgcj_flags} -mxgot" + case "${host}" in + mipsel*-linux* | mipsisa32el*-linux*) + enable_hash_synchronization_default=yes + disable_dladdr=yes + ;; + esac + ;; + *-*-darwin*) + enable_hash_synchronization_default=no + slow_pthread_self= + can_unwind_signal=no + ;; + *-*-freebsd*) + slow_pthread_self= + ;; + *-mingw*) + # FIXME: win32_exception_handler( ) in win32.cc does not do the + # right stuff yet w.r.t. SEH. Live with the following for now. + can_unwind_signal=no + CHECKREFSPEC=-fcheck-references + DIVIDESPEC=-fuse-divide-subroutine + ;; + *-cygwin*) + # The cygwin linker doesn't do 8-byte alignment by default, so + # disable hash synchronization for now. + enable_hash_synchronization_default=no + slow_pthread_self= + ;; esac libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"