# configure.host # This shell script handles all host based configuration for libgcj. # It sets various shell variables based on the the host and the # configuration options. You can modify this shell script without # needing to rerun autoconf. # This shell script should be invoked as # . configure.host # If it encounters an error, it will exit with a message. # It uses the following shell variables: # host The configuration host # host_cpu The configuration host CPU # target_optspace --enable-target-optspace ("yes", "no", "") # It sets the following shell variables: # 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. libgcj_flags= libgcj_cflags= libgcj_cxxflags= libgcj_javaflags= libgcj_interpreter= enable_java_net_default=yes enable_hash_synchronization_default=no sysdeps_dir=generic slow_pthread_self= can_unwind_signal=no case "${target_optspace}:${host}" in yes:*) libgcj_flags="${libgcj_flags} -Os" ;; :m32r-* | :d10v-* | :d30v-*) libgcj_flags="${libgcj_flags} -Os" ;; no:* | :*) # Nothing. ;; esac AM_RUNTESTFLAGS= # Set any host dependent compiler flags. # THIS TABLE IS SORTED. KEEP IT THAT WAY. 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="${libgcj_flags} -ffloat-store" libgcj_interpreter=yes libgcj_cxxflags="-D__NO_MATH_INLINES" libgcj_cflags="-D__NO_MATH_INLINES" DIVIDESPEC=-fno-use-divide-subroutine enable_hash_synchronization_default=yes slow_pthread_self=yes ;; x86_64-*) CHECKREFSPEC="%{m32:-fcheck-references}" sysdeps_dir=x86-64 libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer" libgcj_cxxflags="-D__NO_MATH_INLINES" libgcj_cflags="-D__NO_MATH_INLINES" enable_hash_synchronization_default=yes slow_pthread_self=yes libgcj_interpreter=yes ;; alpha*-*) sysdeps_dir=alpha libgcj_flags="${libgcj_flags} -mieee" libgcj_interpreter=yes enable_hash_synchronization_default=yes IEEESPEC=-mieee ;; powerpc64*-*) # libffi not ported. with_libffi_default=no libgcj_interpreter=no libgcj_flags="${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*-*) 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 CHECKREFSPEC=-fcheck-references EXCEPTIONSPEC= 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 "${host}" in i[34567]86*-linux* | \ powerpc*-linux* | \ alpha*-linux* | \ s390*-linux* | \ sparc*-linux* | \ ia64-* | \ x86_64*-linux*) can_unwind_signal=yes ;; *-*-darwin*) enable_hash_synchronization_default=no slow_pthread_self= can_unwind_signal=no ;; *-*-freebsd*) slow_pthread_self= ;; *-cygwin*) # The cygwin linker doesn't do 8-byte alignment by default, so # disable hash synchronization for now. enable_hash_synchronization_default=no slow_pthread_self= ;; esac libgcj_cflags="${libgcj_cflags} ${libgcj_flags}" libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}" libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"