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 mips-tx39-*|mipstx39-unknown-*)
64 libgcj_flags="${libgcj_flags} -G 0"
65 LDFLAGS="$LDFLAGS -Tjmr3904dram.ld"
66 AM_RUNTESTFLAGS="--target_board=jmr3904-sim"
67 # Use "Ecos" processes since they are a no-op.
70 enable_java_net_default=no
71 enable_getenv_properties_default=no
73 i686-*|i586-*|i486-*|i386-*)
75 libgcj_flags="${libgcj_flags} -ffloat-store"
76 libgcj_interpreter=yes
77 libgcj_cxxflags="-D__NO_MATH_INLINES"
78 libgcj_cflags="-D__NO_MATH_INLINES"
79 DIVIDESPEC=-fno-use-divide-subroutine
80 enable_hash_synchronization_default=yes
85 libgcj_flags="${libgcj_flags} -mieee"
86 libgcj_interpreter=yes
87 enable_hash_synchronization_default=yes
91 libgcj_interpreter=yes
92 enable_hash_synchronization_default=yes
97 libgcj_interpreter=yes
103 libgcj_flags="${libgcj_flags} -funwind-tables"
104 libgcj_interpreter=yes
105 enable_hash_synchronization_default=yes
108 with_libffi_default=no
111 enable_java_net_default=no
112 enable_getenv_properties_default=no
113 enable_main_args_default=no
117 libgcj_cflags="${libgcj_cflags} ${libgcj_flags}"
118 libgcj_cxxflags="${libgcj_cxxflags} ${libgcj_flags}"
119 libgcj_javaflags="${libgcj_javaflags} ${libgcj_flags}"