| 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.$ac_ext << EOF
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| 130 | [#]line __oline__ "configure"
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| 131 | struct S { ~S(); };
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| 132 | void bar();
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| 133 | void foo()
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| 134 | {
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| 135 | S s;
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| 136 | bar();
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| 137 | }
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| 138 | EOF
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| 139 | old_CXXFLAGS="$CXXFLAGS"
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| 140 | CXXFLAGS=-S
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| 141 | if AC_TRY_EVAL(ac_compile); then
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| 142 | if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
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| 143 | enable_sjlj_exceptions=yes
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| 144 | elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
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| 145 | enable_sjlj_exceptions=no
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| 146 | fi
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| 147 | fi
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| 148 | CXXFLAGS="$old_CXXFLAGS"
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| 149 | rm -f conftest*])
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| 150 | if test x$enable_sjlj_exceptions = xyes; then
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| 151 | AC_DEFINE(SJLJ_EXCEPTIONS, 1,
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| 152 | [Define if the compiler is configured for setjmp/longjmp exceptions.])
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| 153 | ac_exception_model_name=sjlj
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| 154 | elif test x$enable_sjlj_exceptions = xno; then
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| 155 | ac_exception_model_name="call frame"
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| 156 | else
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| 157 | AC_MSG_ERROR([unable to detect exception model])
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| 158 | fi
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| 159 | AC_LANG_RESTORE
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| 160 | AC_MSG_RESULT($ac_exception_model_name)
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| 161 |
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| 162 | # If we are non using SJLJ exceptions, and this host does not have support
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| 163 | # for unwinding from a signal handler, enable checked dereferences and divides.
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| 164 | if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
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| 165 | CHECKREFSPEC=-fcheck-references
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| 166 | DIVIDESPEC=-fuse-divide-subroutine
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| 167 | EXCEPTIONSPEC=
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| 168 | fi
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| 169 |
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| 170 | dnl See if the user wants to disable java.net. This is the mildly
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| 171 | dnl ugly way that we admit that target-side configuration sucks.
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| 172 | AC_ARG_ENABLE(java-net,
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| 173 | [ --disable-java-net disable java.net])
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| 174 |
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| 175 | dnl Whether java.net is built by default can depend on the target.
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| 176 | if test -z "$enable_java_net"; then
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| 177 | enable_java_net=${enable_java_net_default-yes}
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| 178 | fi
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| 179 | if test "$enable_java_net" = no; then
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| 180 | AC_DEFINE(DISABLE_JAVA_NET)
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| 181 | fi
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| 182 |
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| 183 | dnl See if the user wants to configure without libffi. Some
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| 184 | dnl architectures don't support it, and default values are set in
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| 185 | dnl configure.host.
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| 186 | AC_ARG_WITH(libffi,
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| 187 | [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
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| 188 |
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| 189 | LIBFFI=
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| 190 | LIBFFIINCS=
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| 191 | if test "$with_libffi" != no; then
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| 192 | AC_DEFINE(USE_LIBFFI)
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| 193 | LIBFFI=../libffi/libffi_convenience.la
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| 194 | LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
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| 195 | fi
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| 196 | AC_SUBST(LIBFFI)
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| 197 | AC_SUBST(LIBFFIINCS)
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| 198 |
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| 199 | dnl See if the user wants to disable JVMPI support.
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| 200 | AC_ARG_ENABLE(jvmpi,
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| 201 | [ --disable-jvmpi disable JVMPI support])
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| 202 |
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| 203 | if test "$enable_jvmpi" != no; then
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| 204 | AC_DEFINE(ENABLE_JVMPI)
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| 205 | fi
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| 206 |
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| 207 | dnl If the target is an eCos system, use the appropriate eCos
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| 208 | dnl I/O routines.
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| 209 | dnl FIXME: this should not be a local option but a global target
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| 210 | dnl system; at present there is no eCos target.
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| 211 | TARGET_ECOS=${PROCESS-"no"}
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| 212 | AC_ARG_WITH(ecos,
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| 213 | [ --with-ecos enable runtime eCos target support],
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| 214 | TARGET_ECOS="$with_ecos"
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| 215 | )
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| 216 |
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| 217 | PLATFORMOBJS=
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| 218 | case "$TARGET_ECOS" in
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| 219 | no) case "$host" in
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| 220 | *mingw*)
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| 221 | PLATFORM=Win32
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| 222 | PLATFORMOBJS=win32.lo
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| 223 | PLATFORMH=win32.h
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| 224 | ;;
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| 225 | *)
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| 226 | PLATFORM=Posix
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| 227 | PLATFORMOBJS=posix.lo
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| 228 | PLATFORMH=posix.h
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| 229 | ;;
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| 230 | esac
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| 231 | ;;
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| 232 | *)
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| 233 | PLATFORM=Ecos
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| 234 | AC_DEFINE(ECOS)
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| 235 | PLATFORMOBJS=posix.lo
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| 236 | PLATFORMH=posix.h
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| 237 | ;;
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| 238 | esac
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| 239 | AC_SUBST(PLATFORMOBJS)
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| 240 | AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
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| 241 |
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| 242 | AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
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| 243 | AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
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| 244 | AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
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| 245 | AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
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| 246 |
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| 247 |
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| 248 | dnl These may not be defined in a non-ANS conformant embedded system.
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| 249 | dnl FIXME: Should these case a runtime exception in that case?
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| 250 | AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
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| 251 | AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
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| 252 |
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| 253 | dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
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| 254 | dnl to create the link will fail.
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| 255 | test -d java || mkdir java
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| 256 | test -d java/io || mkdir java/io
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| 257 | test -d gnu || mkdir gnu
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| 258 | AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
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| 259 | AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
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| 260 |
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| 261 | dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
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| 262 | test -d java/lang || mkdir java/lang
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| 263 | AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
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| 264 | AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
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| 265 |
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| 266 | case "${host}" in
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| 267 | *mingw*)
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| 268 | SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
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| 269 | ;;
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| 270 | *)
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| 271 | SYSTEMSPEC=
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| 272 | ;;
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| 273 | esac
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| 274 | AC_SUBST(SYSTEMSPEC)
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| 275 |
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| 276 | LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
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| 277 | AC_SUBST(LIBGCJTESTSPEC)
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| 278 |
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| 279 | AC_ARG_WITH(system-zlib,
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| 280 | [ --with-system-zlib use installed libz])
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| 281 | ZLIBSPEC=
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| 282 | AC_SUBST(ZLIBSPEC)
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| 283 | ZLIBTESTSPEC=
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| 284 | AC_SUBST(ZLIBTESTSPEC)
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| 285 |
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| 286 | dnl FIXME: this should be _libs on some hosts.
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| 287 | libsubdir=.libs
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| 288 |
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| 289 | dnl Allow the GC to be disabled. Can be useful when debugging.
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| 290 | AC_MSG_CHECKING([for garbage collector to use])
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| 291 | AC_ARG_ENABLE(java-gc,
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| 292 | changequote(<<,>>)dnl
|
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| 293 | << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
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| 294 | changequote([,])
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| 295 | GC=$enableval,
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| 296 | GC=boehm)
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| 297 | GCLIBS=
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| 298 | GCINCS=
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| 299 | GCDEPS=
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| 300 | GCOBJS=
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| 301 | GCSPEC=
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| 302 | JC1GCSPEC=
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| 303 | GCTESTSPEC=
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| 304 | case "$GC" in
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| 305 | boehm)
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| 306 | AC_MSG_RESULT(boehm)
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| 307 | GCLIBS=../boehm-gc/libgcjgc_convenience.la
|
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| 308 | GCINCS='-I$(top_srcdir)/../boehm-gc/include'
|
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| 309 | JC1GCSPEC='-fuse-boehm-gc'
|
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| 310 | GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
|
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| 311 |
|
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| 312 | dnl We also want to pick up some cpp flags required when including
|
|---|
| 313 | dnl boehm-config.h. Yuck.
|
|---|
| 314 | GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
|
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| 315 | GCOBJS=boehm.lo
|
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| 316 | GCHDR=boehm-gc.h
|
|---|
| 317 | dnl The POSIX thread support needs to know this.
|
|---|
| 318 | AC_DEFINE(HAVE_BOEHM_GC)
|
|---|
| 319 | ;;
|
|---|
| 320 | no)
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| 321 | AC_MSG_RESULT(none)
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| 322 | GCOBJS=nogc.lo
|
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| 323 | GCHDR=no-gc.h
|
|---|
| 324 | ;;
|
|---|
| 325 | *)
|
|---|
| 326 | AC_MSG_ERROR(unrecognized collector \"$GC\")
|
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| 327 | ;;
|
|---|
| 328 | esac
|
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| 329 | AC_SUBST(GCLIBS)
|
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| 330 | AC_SUBST(GCINCS)
|
|---|
| 331 | AC_SUBST(GCDEPS)
|
|---|
| 332 | AC_SUBST(GCOBJS)
|
|---|
| 333 | AC_SUBST(GCSPEC)
|
|---|
| 334 | AC_SUBST(JC1GCSPEC)
|
|---|
| 335 | AC_SUBST(GCTESTSPEC)
|
|---|
| 336 | AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
|
|---|
| 337 |
|
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| 338 |
|
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| 339 | AC_MSG_CHECKING([for thread model used by GCC])
|
|---|
| 340 | THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
|
|---|
| 341 | AC_MSG_RESULT([$THREADS])
|
|---|
| 342 |
|
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| 343 | case "$THREADS" in
|
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| 344 | no | none | single)
|
|---|
| 345 | THREADS=none
|
|---|
| 346 | ;;
|
|---|
| 347 | posix | pthreads)
|
|---|
| 348 | THREADS=posix
|
|---|
| 349 | case "$host" in
|
|---|
| 350 | *-*-linux*)
|
|---|
| 351 | AC_DEFINE(LINUX_THREADS)
|
|---|
| 352 | ;;
|
|---|
| 353 | esac
|
|---|
| 354 | ;;
|
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| 355 | win32)
|
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| 356 | ;;
|
|---|
| 357 | decosf1 | irix | mach | os2 | solaris | dce | vxworks)
|
|---|
| 358 | AC_MSG_ERROR(thread package $THREADS not yet supported)
|
|---|
| 359 | ;;
|
|---|
| 360 | *)
|
|---|
| 361 | AC_MSG_ERROR($THREADS is an unknown thread package)
|
|---|
| 362 | ;;
|
|---|
| 363 | esac
|
|---|
| 364 |
|
|---|
| 365 | THREADLDFLAGS=
|
|---|
| 366 | THREADLIBS=
|
|---|
| 367 | THREADINCS=
|
|---|
| 368 | THREADDEPS=
|
|---|
| 369 | THREADOBJS=
|
|---|
| 370 | THREADH=
|
|---|
| 371 | THREADSPEC=
|
|---|
| 372 | case "$THREADS" in
|
|---|
| 373 | posix)
|
|---|
| 374 | case "$host" in
|
|---|
| 375 | *-*-cygwin*)
|
|---|
| 376 | # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
|
|---|
| 377 | ;;
|
|---|
| 378 | changequote(<<,>>)
|
|---|
| 379 | *-*-freebsd[1234]*)
|
|---|
| 380 | changequote([,])
|
|---|
| 381 | # Before FreeBSD 5, it didn't have -lpthread (or any library which
|
|---|
| 382 | # merely adds pthread_* functions) but it does have a -pthread switch
|
|---|
| 383 | # which is required at link-time to select -lc_r *instead* of -lc.
|
|---|
| 384 | THREADLDFLAGS=-pthread
|
|---|
| 385 | # Don't set THREADSPEC here as might be expected since -pthread is
|
|---|
| 386 | # not processed when found within a spec file, it must come from
|
|---|
| 387 | # the command line. For now, the user must provide the -pthread
|
|---|
| 388 | # switch to link code compiled with gcj. In future, consider adding
|
|---|
| 389 | # support for weak references to pthread_* functions ala gthr.h API.
|
|---|
| 390 | THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
|
|---|
| 391 | ;;
|
|---|
| 392 | *-*-freebsd*)
|
|---|
| 393 | # FreeBSD 5 implements a model much closer to other modern UNIX
|
|---|
| 394 | # which support threads. However, it still does not support
|
|---|
| 395 | # -lpthread.
|
|---|
| 396 | THREADLDFLAGS=-pthread
|
|---|
| 397 | THREADSPEC=-lc_r
|
|---|
| 398 | ;;
|
|---|
| 399 | *)
|
|---|
| 400 | THREADLIBS=-lpthread
|
|---|
| 401 | THREADSPEC=-lpthread
|
|---|
| 402 | ;;
|
|---|
| 403 | esac
|
|---|
| 404 | THREADOBJS=posix-threads.lo
|
|---|
| 405 | THREADH=posix-threads.h
|
|---|
| 406 | # MIT pthreads doesn't seem to have the mutexattr functions.
|
|---|
| 407 | # But for now we don't check for it. We just assume you aren't
|
|---|
| 408 | # using MIT pthreads.
|
|---|
| 409 | AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
|
|---|
| 410 |
|
|---|
| 411 | # If we're using the Boehm GC, then we happen to know that it
|
|---|
| 412 | # defines _REENTRANT, so we don't bother. Eww.
|
|---|
| 413 | if test "$GC" != boehm; then
|
|---|
| 414 | AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
|
|---|
| 415 | fi
|
|---|
| 416 | AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
|
|---|
| 417 | ;;
|
|---|
| 418 |
|
|---|
| 419 | win32)
|
|---|
| 420 | THREADOBJS=win32-threads.lo
|
|---|
| 421 | THREADH=win32-threads.h
|
|---|
| 422 | ;;
|
|---|
| 423 |
|
|---|
| 424 | none)
|
|---|
| 425 | THREADOBJS=no-threads.lo
|
|---|
| 426 | THREADH=no-threads.h
|
|---|
| 427 | ;;
|
|---|
| 428 | esac
|
|---|
| 429 | AC_LINK_FILES(include/$THREADH, include/java-threads.h)
|
|---|
| 430 | AC_SUBST(THREADLIBS)
|
|---|
| 431 | AC_SUBST(THREADINCS)
|
|---|
| 432 | AC_SUBST(THREADDEPS)
|
|---|
| 433 | AC_SUBST(THREADOBJS)
|
|---|
| 434 | AC_SUBST(THREADSPEC)
|
|---|
| 435 | AC_SUBST(THREADLDFLAGS)
|
|---|
| 436 |
|
|---|
| 437 | if test -d sysdep; then true; else mkdir sysdep; fi
|
|---|
| 438 | AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
|
|---|
| 439 |
|
|---|
| 440 | HASH_SYNC_SPEC=
|
|---|
| 441 | # Hash synchronization is only useful with posix threads right now.
|
|---|
| 442 | if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
|
|---|
| 443 | HASH_SYNC_SPEC=-fhash-synchronization
|
|---|
| 444 | AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
|
|---|
| 445 | fi
|
|---|
| 446 | AC_SUBST(HASH_SYNC_SPEC)
|
|---|
| 447 |
|
|---|
| 448 |
|
|---|
| 449 | AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
|
|---|
| 450 |
|
|---|
| 451 | CANADIAN=no
|
|---|
| 452 | NULL_TARGET=no
|
|---|
| 453 | NATIVE=yes
|
|---|
| 454 |
|
|---|
| 455 | # We're in the tree with gcc, and need to include some of its headers.
|
|---|
| 456 | GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
|
|---|
| 457 |
|
|---|
| 458 | # Figure out where generated headers like libgcj-config.h get installed.
|
|---|
| 459 | changequote(,)dnl
|
|---|
| 460 | gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
|
|---|
| 461 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
|
|---|
| 462 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
|
|---|
| 463 | tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
|
|---|
| 464 | changequote([,])dnl
|
|---|
| 465 | AC_SUBST(tool_include_dir)
|
|---|
| 466 | AC_SUBST(gcc_version)
|
|---|
| 467 |
|
|---|
| 468 | if test -n "${with_cross_host}"; then
|
|---|
| 469 | # We are being configured with a cross compiler. AC_REPLACE_FUNCS
|
|---|
| 470 | # may not work correctly, because the compiler may not be able to
|
|---|
| 471 | # link executables.
|
|---|
| 472 |
|
|---|
| 473 | # We assume newlib. This lets us hard-code the functions we know
|
|---|
| 474 | # we'll have.
|
|---|
| 475 | AC_DEFINE(HAVE_MEMMOVE)
|
|---|
| 476 | AC_DEFINE(HAVE_MEMCPY)
|
|---|
| 477 | AC_DEFINE(HAVE_STRERROR)
|
|---|
| 478 | AC_DEFINE(HAVE_TIME)
|
|---|
| 479 | AC_DEFINE(HAVE_GMTIME_R)
|
|---|
| 480 | AC_DEFINE(HAVE_LOCALTIME_R)
|
|---|
| 481 | dnl This is only for POSIX threads.
|
|---|
| 482 | AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
|
|---|
| 483 | dnl We also assume we are using gcc, which provides alloca.
|
|---|
| 484 | AC_DEFINE(HAVE_ALLOCA)
|
|---|
| 485 |
|
|---|
| 486 | dnl Assume we do not have getuid and friends.
|
|---|
| 487 | AC_DEFINE(NO_GETUID)
|
|---|
| 488 |
|
|---|
| 489 | # If Canadian cross, then don't pick up tools from the build
|
|---|
| 490 | # directory.
|
|---|
| 491 | if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
|
|---|
| 492 | CANADIAN=yes
|
|---|
| 493 | GCC_UNWIND_INCLUDE=
|
|---|
| 494 | GCJ="${target_alias}-gcj"
|
|---|
| 495 | fi
|
|---|
| 496 | NATIVE=no
|
|---|
| 497 | else
|
|---|
| 498 | AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
|
|---|
| 499 | AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
|
|---|
| 500 | AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
|
|---|
| 501 | AC_CHECK_FUNCS(nl_langinfo setlocale)
|
|---|
| 502 | AC_CHECK_FUNCS(inet_aton inet_addr, break)
|
|---|
| 503 | AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
|
|---|
| 504 | AC_CHECK_FUNCS(fork execvp pipe sigaction)
|
|---|
| 505 | AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
|
|---|
| 506 | AC_CHECK_FUNC(backtrace, [
|
|---|
| 507 | case "$host" in
|
|---|
| 508 | ia64-*-linux*)
|
|---|
| 509 | # Has broken backtrace()
|
|---|
| 510 | ;;
|
|---|
| 511 | *)
|
|---|
| 512 | AC_DEFINE(HAVE_BACKTRACE)
|
|---|
| 513 | ;;
|
|---|
| 514 | esac
|
|---|
| 515 | ])
|
|---|
| 516 |
|
|---|
| 517 | AC_CHECK_LIB(dl, dladdr, [
|
|---|
| 518 | AC_DEFINE(HAVE_DLADDR)])
|
|---|
| 519 | AC_CHECK_FILES(/proc/self/exe, [
|
|---|
| 520 | AC_DEFINE(HAVE_PROC_SELF_EXE)])
|
|---|
| 521 |
|
|---|
| 522 | AM_ICONV
|
|---|
| 523 | AM_LC_MESSAGES
|
|---|
| 524 | AC_STRUCT_TIMEZONE
|
|---|
| 525 |
|
|---|
| 526 | AC_CHECK_FUNCS(gethostbyname_r, [
|
|---|
| 527 | AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|---|
| 528 | # There are two different kinds of gethostbyname_r.
|
|---|
| 529 | # We look for the one that returns `int'.
|
|---|
| 530 | # Hopefully this check is robust enough.
|
|---|
| 531 | AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
|
|---|
| 532 | AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
|
|---|
| 533 |
|
|---|
| 534 | case " $GCINCS " in
|
|---|
| 535 | *" -D_REENTRANT "*) ;;
|
|---|
| 536 | *)
|
|---|
| 537 | dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
|
|---|
| 538 | AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
|
|---|
| 539 | [libjava_cv_gethostbyname_r_needs_reentrant],
|
|---|
| 540 | [ AC_LANG_SAVE
|
|---|
| 541 | AC_LANG_CPLUSPLUS
|
|---|
| 542 | AC_TRY_COMPILE([#include <netdb.h>],
|
|---|
| 543 | [gethostbyname_r("", 0, 0);],
|
|---|
| 544 | [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
|
|---|
| 545 | CPPFLAGS_SAVE="$CPPFLAGS"
|
|---|
| 546 | CPPFLAGS="$CPPFLAGS -D_REENTRANT"
|
|---|
| 547 | AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
|
|---|
| 548 | [libjava_cv_gethostbyname_r_needs_reentrant=yes],
|
|---|
| 549 | [libjava_cv_gethostbyname_r_needs_reentrant=fail])
|
|---|
| 550 | CPPFLAGS="$CPPFLAGS_SAVE"
|
|---|
| 551 | ])
|
|---|
| 552 | AC_LANG_RESTORE
|
|---|
| 553 | ])
|
|---|
| 554 | if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
|
|---|
| 555 | AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
|
|---|
| 556 | fi
|
|---|
| 557 | ;;
|
|---|
| 558 | esac
|
|---|
| 559 |
|
|---|
| 560 | AC_CACHE_CHECK([for struct hostent_data],
|
|---|
| 561 | [libjava_cv_struct_hostent_data], [dnl
|
|---|
| 562 | AC_TRY_COMPILE([
|
|---|
| 563 | #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
|
|---|
| 564 | # define _REENTRANT 1
|
|---|
| 565 | #endif
|
|---|
| 566 | #include <netdb.h>], [struct hostent_data data;],
|
|---|
| 567 | [libjava_cv_struct_hostent_data=yes],
|
|---|
| 568 | [libjava_cv_struct_hostent_data=no])])
|
|---|
| 569 | if test "x$libjava_cv_struct_hostent_data" = xyes; then
|
|---|
| 570 | AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
|
|---|
| 571 | [Define if struct hostent_data is defined in netdb.h])
|
|---|
| 572 | fi
|
|---|
| 573 | ])
|
|---|
| 574 |
|
|---|
| 575 | # FIXME: libjava source code expects to find a prototype for
|
|---|
| 576 | # gethostbyaddr_r in netdb.h. The outer check ensures that
|
|---|
| 577 | # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
|
|---|
| 578 | # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
|
|---|
| 579 | # linkage check is enough, yet C++ code requires proper prototypes.)
|
|---|
| 580 | AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
|
|---|
| 581 | AC_CHECK_FUNCS(gethostbyaddr_r, [
|
|---|
| 582 | AC_DEFINE(HAVE_GETHOSTBYADDR_R)
|
|---|
| 583 | # There are two different kinds of gethostbyaddr_r.
|
|---|
| 584 | # We look for the one that returns `int'.
|
|---|
| 585 | # Hopefully this check is robust enough.
|
|---|
| 586 | AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
|
|---|
| 587 | AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
|
|---|
| 588 |
|
|---|
| 589 | AC_CHECK_FUNCS(gethostname, [
|
|---|
| 590 | AC_DEFINE(HAVE_GETHOSTNAME)
|
|---|
| 591 | AC_EGREP_HEADER(gethostname, unistd.h, [
|
|---|
| 592 | AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
|
|---|
| 593 |
|
|---|
| 594 | # Look for these functions in the thread library, but only bother
|
|---|
| 595 | # if using POSIX threads.
|
|---|
| 596 | if test "$THREADS" = posix; then
|
|---|
| 597 | save_LIBS="$LIBS"
|
|---|
| 598 | LIBS="$LIBS $THREADLIBS"
|
|---|
| 599 | # Some POSIX thread systems don't have pthread_mutexattr_settype.
|
|---|
| 600 | # E.g., Solaris.
|
|---|
| 601 | AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
|
|---|
| 602 |
|
|---|
| 603 | # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
|
|---|
| 604 | # Solaris 7 the name librt is preferred.
|
|---|
| 605 | AC_CHECK_FUNCS(sched_yield, , [
|
|---|
| 606 | AC_CHECK_LIB(rt, sched_yield, [
|
|---|
| 607 | AC_DEFINE(HAVE_SCHED_YIELD)
|
|---|
| 608 | THREADLIBS="$THREADLIBS -lrt"
|
|---|
| 609 | THREADSPEC="$THREADSPEC -lrt"], [
|
|---|
| 610 | AC_CHECK_LIB(posix4, sched_yield, [
|
|---|
| 611 | AC_DEFINE(HAVE_SCHED_YIELD)
|
|---|
| 612 | THREADLIBS="$THREADLIBS -lposix4"
|
|---|
| 613 | THREADSPEC="$THREADSPEC -lposix4"])])])
|
|---|
| 614 | LIBS="$save_LIBS"
|
|---|
| 615 |
|
|---|
| 616 | # We can save a little space at runtime if the mutex has m_count
|
|---|
| 617 | # or __m_count. This is a nice hack for Linux.
|
|---|
| 618 | AC_TRY_COMPILE([#include <pthread.h>], [
|
|---|
| 619 | extern pthread_mutex_t *mutex; int q = mutex->m_count;
|
|---|
| 620 | ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
|
|---|
| 621 | AC_TRY_COMPILE([#include <pthread.h>], [
|
|---|
| 622 | extern pthread_mutex_t *mutex; int q = mutex->__m_count;
|
|---|
| 623 | ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
|
|---|
| 624 | fi
|
|---|
| 625 |
|
|---|
| 626 | # We require a way to get the time.
|
|---|
| 627 | time_found=no
|
|---|
| 628 | AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
|
|---|
| 629 | if test "$time_found" = no; then
|
|---|
| 630 | AC_MSG_ERROR([no function found to get the time])
|
|---|
| 631 | fi
|
|---|
| 632 |
|
|---|
| 633 | AC_CHECK_FUNCS(memmove)
|
|---|
| 634 |
|
|---|
| 635 | # We require memcpy.
|
|---|
| 636 | memcpy_found=no
|
|---|
| 637 | AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
|
|---|
| 638 | if test "$memcpy_found" = no; then
|
|---|
| 639 | AC_MSG_ERROR([memcpy is required])
|
|---|
| 640 | fi
|
|---|
| 641 |
|
|---|
| 642 | AC_CHECK_LIB(dl, dlopen, [
|
|---|
| 643 | AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
|
|---|
| 644 |
|
|---|
| 645 | # Some library-finding code we stole from Tcl.
|
|---|
| 646 | #--------------------------------------------------------------------
|
|---|
| 647 | # Check for the existence of the -lsocket and -lnsl libraries.
|
|---|
| 648 | # The order here is important, so that they end up in the right
|
|---|
| 649 | # order in the command line generated by make. Here are some
|
|---|
| 650 | # special considerations:
|
|---|
| 651 | # 1. Use "connect" and "accept" to check for -lsocket, and
|
|---|
| 652 | # "gethostbyname" to check for -lnsl.
|
|---|
| 653 | # 2. Use each function name only once: can't redo a check because
|
|---|
| 654 | # autoconf caches the results of the last check and won't redo it.
|
|---|
| 655 | # 3. Use -lnsl and -lsocket only if they supply procedures that
|
|---|
| 656 | # aren't already present in the normal libraries. This is because
|
|---|
| 657 | # IRIX 5.2 has libraries, but they aren't needed and they're
|
|---|
| 658 | # bogus: they goof up name resolution if used.
|
|---|
| 659 | # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
|
|---|
| 660 | # To get around this problem, check for both libraries together
|
|---|
| 661 | # if -lsocket doesn't work by itself.
|
|---|
| 662 | #--------------------------------------------------------------------
|
|---|
| 663 |
|
|---|
| 664 | AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
|
|---|
| 665 | [gcj_cv_lib_sockets=
|
|---|
| 666 | gcj_checkBoth=0
|
|---|
| 667 | unset ac_cv_func_connect
|
|---|
| 668 | AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
|
|---|
| 669 | if test "$gcj_checkSocket" = 1; then
|
|---|
| 670 | unset ac_cv_func_connect
|
|---|
| 671 | AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
|
|---|
| 672 | gcj_checkBoth=1)
|
|---|
| 673 | fi
|
|---|
| 674 | if test "$gcj_checkBoth" = 1; then
|
|---|
|
|---|
