3 # This shell script handles all host based configuration for libgcj.
4 # It sets various shell variables based on the the host and the
5 # configuration options. You can modify this shell script without
6 # needing to rerun autoconf.
8 # This shell script should be invoked as
10 # If it encounters an error, it will exit with a message.
12 # It uses the following shell variables:
13 # host The configuration host
14 # host_cpu The configuration host CPU
15 # target_optspace --enable-target-optspace ("yes", "no", "")
17 # It sets the following shell variables:
18 # libgcj_cflags Special CFLAGS to use when building
19 # libgcj_cxxflags Special CXXFLAGS to use when building
20 # libgcj_javaflags Special JAVAFLAGS to use when building
21 # libgcj_interpreter If the bytecode interpreter supports this platform.
22 # enable_java_net_default If java.net native code should be enabled by
24 # enable_hash_synchronization_default If hash synchronization should be
26 # sysdeps_dir Directory containing system-dependent headers
27 # slow_pthread_self The synchronization code should try to avoid
28 # pthread_self calls by caching thread IDs in a hashtable
35 enable_java_net_default=yes
36 enable_hash_synchronization_default=no
40 case "${target_optspace}:${host}" in
42 libgcj_flags="${libgcj_flags} -Os"
44 :m32r-* | :d10v-* | :d30v-*)
45 libgcj_flags="${libgcj_flags} -Os"
54 # Set any host dependent compiler flags.
55 # THIS TABLE IS SORTED. KEEP IT THAT WAY.
59 DIVIDESPEC=-fuse-divide-subroutine
60 EXCEPTIONSPEC=-fnon-call-exceptions
63 # This case statement supports per-CPU defaults.
65 mips-tx39-*|mipstx39-unknown-*)
66 libgcj_flags="${libgcj_flags} -G 0"
67 LDFLAGS="$LDFLAGS -Tjmr3904dram.ld"
68 AM_RUNTESTFLAGS="--target_board=jmr3904-sim"
69 # Use "Ecos" processes since they are a no-op.
72 enable_java_net_default=no
73 enable_getenv_properties_default=no
75 i686-*|i586-*|i486-*|i386-*)
77 libgcj_flags="${libgcj_flags} -ffloat-store"
78 libgcj_interpreter=yes
79 libgcj_cxxflags="-D__NO_MATH_INLINES"
80 libgcj_cflags="-D__NO_MATH_INLINES"
81 DIVIDESPEC=-fno-use-divide-subroutine
82 enable_hash_synchronization_default=yes
87 libgcj_flags="${libgcj_flags} -mieee"
88 libgcj_interpreter=yes
89 enable_hash_synchronization_default=yes
93 libgcj_interpreter=yes
94 enable_hash_synchronization_default=yes
101 libgcj_flags="${libgcj_flags} -funwind-tables"
102 libgcj_interpreter=yes
103 enable_hash_synchronization_default=yes
106 with_libffi_default=no
109 CHECKREFSPEC=-fcheck-references
111 enable_java_net_default=no
112 enable_getenv_properties_default=no
113 enable_main_args_default=no
117 # This case statement supports generic port properties and may refine
118 # the above per-CPU defaults. Note: If your OS does not implement
119 # MD_FALLBACK_FRAME_STATE_FOR, then you may want to set CHECKREFSPEC,
120 # DIVIDESPEC (to fix >20 test cases) and EXCEPTIONSPEC (to reduce EH
124 enable_hash_synchronization_default=no
128 DIVIDESPEC=-fuse-divide-subroutine
129 CHECKREFSPEC=-fcheck-references
134 libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
135 libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"
136 libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"