186 lines
5.0 KiB
Plaintext
186 lines
5.0 KiB
Plaintext
# configure.host
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# This shell script handles all host based configuration for libgcj.
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# It sets various shell variables based on the the host and the
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# configuration options. You can modify this shell script without
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# needing to rerun autoconf.
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# This shell script should be invoked as
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# . configure.host
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# If it encounters an error, it will exit with a message.
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# It uses the following shell variables:
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# host The configuration host
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# host_cpu The configuration host CPU
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# target_optspace --enable-target-optspace ("yes", "no", "")
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# It sets the following shell variables:
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# libgcj_cflags Special CFLAGS to use when building
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# libgcj_cxxflags Special CXXFLAGS to use when building
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# libgcj_javaflags Special JAVAFLAGS to use when building
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# libgcj_interpreter If the bytecode interpreter supports this platform.
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# enable_java_net_default If java.net native code should be enabled by
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# default.
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# enable_hash_synchronization_default If hash synchronization should be
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# enabled by default.
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# sysdeps_dir Directory containing system-dependent headers
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# slow_pthread_self The synchronization code should try to avoid
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# pthread_self calls by caching thread IDs in a hashtable
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# can_unwind_signal Set to "yes" if the EH unwinder supports throwing
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# from a signal handler.
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libgcj_flags=
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libgcj_cflags=
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libgcj_cxxflags=
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libgcj_javaflags=
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libgcj_interpreter=
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enable_java_net_default=yes
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enable_hash_synchronization_default=no
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sysdeps_dir=generic
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slow_pthread_self=
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can_unwind_signal=no
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case "${target_optspace}:${host}" in
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yes:*)
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libgcj_flags="${libgcj_flags} -Os"
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;;
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:m32r-* | :d10v-* | :d30v-*)
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libgcj_flags="${libgcj_flags} -Os"
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;;
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no:* | :*)
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# Nothing.
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;;
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esac
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AM_RUNTESTFLAGS=
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# Set any host dependent compiler flags.
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# THIS TABLE IS SORTED. KEEP IT THAT WAY.
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echo "$target"
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DIVIDESPEC=-fuse-divide-subroutine
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EXCEPTIONSPEC=-fnon-call-exceptions
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CHECKREFSPEC=
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# This case statement supports per-CPU defaults.
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case "${host}" in
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arm*-elf | strongarm*-elf | xscale*-elf)
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with_libffi_default=no
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PROCESS=Ecos
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FILE=Posix
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CHECKREFSPEC=-fcheck-references
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EXCEPTIONSPEC=
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enable_java_net_default=no
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enable_getenv_properties_default=no
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enable_main_args_default=no
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;;
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mips-tx39-*|mipstx39-unknown-*)
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libgcj_flags="${libgcj_flags} -G 0"
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LDFLAGS="$LDFLAGS -Tjmr3904dram.ld"
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AM_RUNTESTFLAGS="--target_board=jmr3904-sim"
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# Use "Ecos" processes since they are a no-op.
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PROCESS=Ecos
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FILE=Posix
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enable_java_net_default=no
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enable_getenv_properties_default=no
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;;
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i686-*|i586-*|i486-*|i386-*)
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sysdeps_dir=i386
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libgcj_flags="${libgcj_flags} -ffloat-store"
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libgcj_interpreter=yes
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libgcj_cxxflags="-D__NO_MATH_INLINES"
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libgcj_cflags="-D__NO_MATH_INLINES"
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DIVIDESPEC=-fno-use-divide-subroutine
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enable_hash_synchronization_default=yes
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slow_pthread_self=yes
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;;
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x86_64-*)
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CHECKREFSPEC="%{m32:-fcheck-references}"
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sysdeps_dir=x86-64
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libgcj_flags="${libgcj_flags} -ffloat-store"
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libgcj_interpreter=no
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libgcj_cxxflags="-D__NO_MATH_INLINES"
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libgcj_cflags="-D__NO_MATH_INLINES"
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enable_hash_synchronization_default=yes
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slow_pthread_self=yes
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;;
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alpha*-*)
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sysdeps_dir=alpha
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libgcj_flags="${libgcj_flags} -mieee"
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libgcj_interpreter=yes
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enable_hash_synchronization_default=yes
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;;
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powerpc64*-*)
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# libffi not ported.
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with_libffi_default=no
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libgcj_interpreter=no
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libgcj_flags="${libgcj_flags} -mminimal-toc"
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# this may not be correct
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sysdeps_dir=powerpc
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enable_hash_synchronization_default=yes
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slow_pthread_self=yes
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;;
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powerpc*-*)
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sysdeps_dir=powerpc
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libgcj_interpreter=yes
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enable_hash_synchronization_default=yes
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slow_pthread_self=yes
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;;
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s390*-*)
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sysdeps_dir=s390
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libgcj_interpreter=yes
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enable_hash_synchronization_default=yes
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;;
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sparc*-*)
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libgcj_interpreter=yes
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;;
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ia64-*)
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sysdeps_dir=ia64
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libgcj_flags="${libgcj_flags} -funwind-tables"
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libgcj_interpreter=yes
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enable_hash_synchronization_default=yes
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;;
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sh-* | sh[34]*-*)
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sysdeps_dir=sh
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libgcj_flags="${libgcj_flags} -mieee"
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libgcj_interpreter=yes
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enable_hash_synchronization_default=yes
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;;
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esac
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# This case statement supports generic port properties and may refine
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# the above per-CPU defaults. Note: If your OS implements
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# MD_FALLBACK_FRAME_STATE_FOR, then you want to set can_unwind_signal
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# here.
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case "${host}" in
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i[34567]86*-linux* | \
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powerpc*-linux* | \
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alpha*-linux* | \
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s390*-linux* | \
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sparc*-linux* | \
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ia64-* | \
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x86_64*-linux* | \
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sh-linux* | sh[34]*-linux*)
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can_unwind_signal=yes
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;;
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*-*-darwin*)
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enable_hash_synchronization_default=no
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slow_pthread_self=
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can_unwind_signal=no
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;;
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*-*-freebsd*)
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slow_pthread_self=
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;;
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*-cygwin*)
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# The cygwin linker doesn't do 8-byte alignment by default, so
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# disable hash synchronization for now.
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enable_hash_synchronization_default=no
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slow_pthread_self=
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;;
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esac
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libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
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libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"
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libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"
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