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# 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="${libgcj_flags} -ffloat-store"
libgcj_interpreter=yes
libgcj_cxxflags="-D__NO_MATH_INLINES"
libgcj_cflags="-D__NO_MATH_INLINES"
DIVIDESPEC=-fno-use-divide-subroutine
enable_hash_synchronization_default=yes
slow_pthread_self=yes
;;
x86_64-*)
sysdeps_dir=x86-64
libgcj_flags="${libgcj_flags} -ffloat-store"
libgcj_interpreter=no
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
;;
alpha*-*)
sysdeps_dir=alpha
libgcj_flags="${libgcj_flags} -mieee"
libgcj_interpreter=yes
enable_hash_synchronization_default=yes
;;
powerpc64*-*)
# libffi not ported.
with_libffi_default=no
libgcj_interpreter=no
libgcj_flags="${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-*)
;;
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 "${host}" in
i[34567]86*-linux* | \
powerpc*-linux* | \
alpha*-linux* | \
s390*-linux* | \
sparc*-linux* | \
ia64-* | \
x86_64*-linux*)
can_unwind_signal=yes
;;
*-*-darwin*)
enable_hash_synchronization_default=no
slow_pthread_self=
;;
*-*-freebsd*)
slow_pthread_self=
;;
*-cygwin*)
# The cygwin linker doesn't do 8-byte alignment by default, so
# disable hash synchronization for now.
enable_hash_synchronization_default=no
slow_pthread_self=
;;
esac
libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"
libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"
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