| 1 | dnl Process this with autoconf to create configure
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| 2 | AC_INIT(java/lang/System.java)
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| 3 |
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| 4 | # This works around the fact that libtool configuration may change LD
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| 5 | # for this particular configuration, but some shells, instead of
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| 6 | # keeping the changes in LD private, export them just because LD is
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| 7 | # exported.
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| 8 | ORIGINAL_LD_FOR_MULTILIBS=$LD
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| 9 |
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| 10 | AC_PROG_LN_S
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| 11 |
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| 12 | dnl We use these options to decide which functions to include.
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| 13 | AC_ARG_WITH(target-subdir,
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| 14 | [ --with-target-subdir=SUBDIR
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| 15 | configuring in a subdirectory])
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| 16 | AC_ARG_WITH(cross-host,
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| 17 | [ --with-cross-host=HOST configuring with a cross compiler])
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| 18 |
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| 19 | LIBGCJ_CONFIGURE(.)
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| 20 |
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| 21 | AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
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| 22 |
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| 23 | # Only use libltdl for native builds.
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| 24 | if test -z "${with_cross_host}"; then
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| 25 | AC_LIBLTDL_CONVENIENCE
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| 26 | AC_LIBTOOL_DLOPEN
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| 27 | DIRLTDL=libltdl
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| 28 | AC_DEFINE(USE_LTDL)
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| 29 | # Sigh. Libtool's macro doesn't do the right thing.
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| 30 | INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
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| 31 | # FIXME: this is a hack.
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| 32 | sub_auxdir="`cd $ac_aux_dir && pwd`"
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| 33 | ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
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| 34 | fi
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| 35 | AC_SUBST(INCLTDL)
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| 36 | AC_SUBST(LIBLTDL)
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| 37 | AC_SUBST(DIRLTDL)
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| 38 | AM_PROG_LIBTOOL
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| 39 | AC_CONFIG_SUBDIRS($DIRLTDL)
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| 40 |
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| 41 | if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
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| 42 | COMPPATH=.
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| 43 | else
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| 44 | COMPPATH=..
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| 45 | fi
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| 46 | AC_SUBST(COMPPATH)
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| 47 |
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| 48 | dnl The -no-testsuite modules omit the test subdir.
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| 49 | AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
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| 50 |
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| 51 | dnl Should the runtime set system properties by examining the
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| 52 | dnl environment variable GCJ_PROPERTIES?
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| 53 | AC_ARG_ENABLE(getenv-properties,
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| 54 | [ --disable-getenv-properties
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| 55 | don't set system properties from GCJ_PROPERTIES])
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| 56 |
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| 57 | dnl Whether GCJ_PROPERTIES is used depends on the target.
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| 58 | if test -z "$enable_getenv_properties"; then
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| 59 | enable_getenv_properties=${enable_getenv_properties_default-yes}
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| 60 | fi
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| 61 | if test "$enable_getenv_properties" = no; then
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| 62 | AC_DEFINE(DISABLE_GETENV_PROPERTIES)
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| 63 | fi
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| 64 |
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| 65 | dnl Whether we should use arguments to main()
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| 66 | if test -z "$enable_main_args"; then
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| 67 | enable_main_args=${enable_main_args_default-yes}
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| 68 | fi
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| 69 | if test "$enable_main_args" = no; then
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| 70 | AC_DEFINE(DISABLE_MAIN_ARGS)
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| 71 | fi
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| 72 |
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| 73 |
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| 74 | dnl Should we use hashtable-based synchronization?
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| 75 | dnl Currently works only for Linux X86/ia64
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| 76 | dnl Typically faster and more space-efficient
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| 77 | AC_ARG_ENABLE(hash-synchronization,
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| 78 | [ --enable-hash-synchronization
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| 79 | Use global hash table for monitor locks])
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| 80 |
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| 81 | if test -z "$enable_hash_synchronization"; then
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| 82 | enable_hash_synchronization=$enable_hash_synchronization_default
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| 83 | fi
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| 84 |
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| 85 | dnl configure.host sets slow_pthread_self if the synchronization code should
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| 86 | dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
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| 87 | if test "${slow_pthread_self}" = "yes"; then
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| 88 | AC_DEFINE(SLOW_PTHREAD_SELF)
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| 89 | fi
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| 90 |
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| 91 |
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| 92 | dnl See if the user has requested runtime debugging.
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| 93 | LIBGCJDEBUG="false"
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| 94 | AC_SUBST(LIBGCJDEBUG)
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| 95 | AC_ARG_ENABLE(libgcj-debug,
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| 96 | [ --enable-libgcj-debug enable runtime debugging code],
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| 97 | if test "$enable_libgcj_debug" = yes; then
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| 98 | AC_DEFINE(DEBUG)
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| 99 | LIBGCJDEBUG="true"
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| 100 | fi)
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| 101 |
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| 102 | dnl See if the user has the interpreter included.
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| 103 | AC_ARG_ENABLE(interpreter,
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| 104 | [ --enable-interpreter enable interpreter],
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| 105 | if test "$enable_interpreter" = yes; then
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| 106 | # This can also be set in configure.host.
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| 107 | libgcj_interpreter=yes
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| 108 | elif test "$enable_interpreter" = no; then
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| 109 | libgcj_interpreter=no
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| 110 | fi)
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| 111 |
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| 112 | if test "$libgcj_interpreter" = yes; then
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| 113 | AC_DEFINE(INTERPRETER)
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| 114 | fi
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| 115 |
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| 116 | AC_MSG_CHECKING([for exception model to use])
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| 117 | AC_LANG_SAVE
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| 118 | AC_LANG_CPLUSPLUS
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| 119 | AC_ARG_ENABLE(sjlj-exceptions,
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| 120 | [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
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| 121 | [:],
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| 122 | [dnl Botheration. Now we've got to detect the exception model.
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| 123 | dnl Link tests against libgcc.a are problematic since -- at least
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| 124 | dnl as of this writing -- we've not been given proper -L bits for
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| 125 | dnl single-tree newlib and libgloss.
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| 126 | dnl
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| 127 | dnl This is what AC_TRY_COMPILE would do if it didn't delete the
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| 128 | dnl conftest files before we got a change to grep them first.
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| 129 | cat > conftest.$ac_ext << EOF
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| 130 | [#]line __oline__ "configure"
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| 131 | struct S { ~S(); };
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| 132 | void bar();
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| 133 | void foo()
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| 134 | {
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