The Android Open Source Project | 441f72d | 2009-03-03 19:29:28 -0800 | [diff] [blame] | 1 | dnl Process this file with autoconf to produce a configure script. -*-m4-*- |
| 2 | dnl Configure input file for elfutils. |
| 3 | dnl |
| 4 | dnl Copyright (C) 1996-2002, 2003, 2004 Red Hat, Inc. |
| 5 | dnl |
| 6 | dnl This program is free software; you can redistribute it and/or modify |
| 7 | dnl it under the terms of the GNU General Public License as published by |
| 8 | dnl the Free Software Foundation, version 2. |
| 9 | dnl |
| 10 | dnl This program is distributed in the hope that it will be useful, |
| 11 | dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | dnl GNU General Public License for more details. |
| 14 | dnl |
| 15 | dnl You should have received a copy of the GNU General Public License |
| 16 | dnl along with this program; if not, write to the Free Software Foundation, |
| 17 | dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | dnl |
| 19 | AC_INIT([Red Hat elfutils],[0.97],[http://bugzilla.redhat.com/bugzilla/], |
| 20 | [elfutils]) |
| 21 | |
| 22 | AC_CONFIG_AUX_DIR([config]) |
| 23 | AC_CONFIG_FILES([config/Makefile]) |
| 24 | |
| 25 | AC_COPYRIGHT([Copyright (C) 1996-2003, 2004 Red Hat, Inc.]) |
| 26 | AC_REVISION($Revision: 1.30 $) |
| 27 | AC_PREREQ(2.59) dnl Minimum Autoconf version required. |
| 28 | |
| 29 | AM_INIT_AUTOMAKE([gnits 1.7 dist-bzip2]) |
| 30 | |
| 31 | AC_CONFIG_SRCDIR([libelf/libelf.h]) |
| 32 | AC_CONFIG_FILES([Makefile]) |
| 33 | AC_CONFIG_HEADERS([config.h]) |
| 34 | |
| 35 | AC_CONFIG_MACRO_DIR([m4]) |
| 36 | AC_CONFIG_FILES([m4/Makefile]) |
| 37 | |
| 38 | dnl The RPM spec file. We substitute a few values in the file. |
| 39 | AC_CONFIG_FILES([elfutils.spec:config/elfutils.spec.in]) |
| 40 | |
| 41 | |
| 42 | AC_CANONICAL_HOST |
| 43 | |
| 44 | AC_ARG_ENABLE([tls], |
| 45 | AS_HELP_STRING([--enable-tls], [enable use of thread local storage]), |
| 46 | AC_DEFINE(USE_TLS)) |
| 47 | AH_TEMPLATE([USE_TLS], [Defined if thread local storage should be used.]) |
| 48 | |
| 49 | dnl Add all the languages for which translations are available. |
| 50 | ALL_LINGUAS= |
| 51 | |
| 52 | AC_PROG_CC |
| 53 | AC_PROG_CPP |
| 54 | AC_PROG_GCC_TRADITIONAL |
| 55 | AM_GNU_GETTEXT([external]) |
| 56 | AC_PROG_RANLIB |
| 57 | AC_PROG_YACC |
| 58 | AM_PROG_LEX |
| 59 | |
| 60 | AC_CACHE_CHECK([for gcc with C99 support], ac_cv_c99, [dnl |
| 61 | old_CFLAGS="$CFLAGS" |
| 62 | CFLAGS="$CFLAGS -std=gnu99" |
| 63 | AC_COMPILE_IFELSE([dnl |
| 64 | int foo (int a) { for (int i = 0; i < a; ++i) if (i % 4) break; int s = a; }], |
| 65 | ac_cv_c99=yes, ac_cv_c99=no) |
| 66 | CFLAGS="$old_CFLAGS"]) |
| 67 | AS_IF([test "x$ac_cv_c99" != xyes], |
| 68 | AC_MSG_ERROR([gcc with C99 support required])) |
| 69 | |
| 70 | LOCALEDIR=$datadir |
| 71 | AC_SUBST(LOCALEDIR) |
| 72 | AC_DEFINE_UNQUOTED(LOCALEDIR, "$LOCALEDIR") |
| 73 | AH_TEMPLATE([LOCALEDIR], [Directory to place translation files in.]) |
| 74 | |
| 75 | DATADIRNAME=$datadir |
| 76 | AC_SUBST(DATADIRNAME) |
| 77 | |
| 78 | dnl This test must come as early as possible after the compiler configuration |
| 79 | dnl tests, because the choice of the file model can (in principle) affect |
| 80 | dnl whether functions and headers are available, whether they work, etc. |
| 81 | AC_SYS_LARGEFILE |
| 82 | |
| 83 | dnl Enable the linker to be build as a native-only linker. By default it |
| 84 | dnl can handle all architectures but this comes at a cost. A native |
| 85 | dnl will be slightly faster, small, and has fewer dependencies. |
| 86 | native_ld=no |
| 87 | AC_ARG_ENABLE([generic], |
| 88 | AS_HELP_STRING([--disable-generic], [do not build generic linker]), [dnl |
| 89 | if test "$enable_generic" = no; then |
| 90 | case "$host_cpu" in |
| 91 | i?86) |
| 92 | AC_DEFINE(NATIVE_ELF, 32) |
| 93 | native_ld=yes |
| 94 | base_cpu=i386 |
| 95 | ;; |
| 96 | *) |
| 97 | AC_MSG_ERROR([no machine-specific linker for this configuration available]) |
| 98 | ;; |
| 99 | esac |
| 100 | fi]) |
| 101 | AH_TEMPLATE([NATIVE_ELF], |
| 102 | [Define to 32 or 64 if a specific implementation is wanted.]) |
| 103 | AM_CONDITIONAL(NATIVE_LD, test "$native_ld" = yes) |
| 104 | dnl The automake generated Makefile cannot deal with macros in the name |
| 105 | dnl of files if at any time there is no such file, even if the filename |
| 106 | dnl would not be used. |
| 107 | AS_IF([test -z "$base_cpu"], [base_cpu=none]) |
| 108 | AC_SUBST(base_cpu) |
| 109 | |
| 110 | dnl Enable debugging via mudflap. This option will cause most libraries |
| 111 | dnl to be built as archives which are statically linked into the applications. |
| 112 | dnl All code, as far as possible, is compiled instrumented to catch all |
| 113 | dnl the bugs valgrind is able to catch. |
| 114 | use_mudflap=no |
| 115 | AC_ARG_ENABLE([mudflap], |
| 116 | AS_HELP_STRING([--enable-mudflap], |
| 117 | [build binaries with mudflap instrumentation]), [dnl |
| 118 | if test "x$enable_mudflap" = xyes; then |
| 119 | # Check whether the compiler support -fmudflap. |
| 120 | old_CFLAGS="$CFLAGS" |
| 121 | CFLAGS="$CFLAGS -fmudflap" |
| 122 | AC_TRY_COMPILE([], [], use_mudflap=yes, use_mudflap=fail) |
| 123 | CFLAGS="$old_CFLAGS" |
| 124 | fi]) |
| 125 | if test "$use_mudflap" = fail; then |
| 126 | AC_MSG_FAILURE([--enable-mudflap requires a compiler which understands this option]) |
| 127 | fi |
| 128 | AM_CONDITIONAL(MUDFLAP, test "$use_mudflap" = yes) |
| 129 | |
| 130 | |
| 131 | dnl The directories with content. |
| 132 | |
| 133 | dnl Documentation. |
| 134 | AC_CONFIG_FILES([doc/Makefile]) |
| 135 | |
| 136 | dnl Support library. |
| 137 | AC_CONFIG_FILES([lib/Makefile]) |
| 138 | |
| 139 | dnl ELF library. |
| 140 | AC_CONFIG_FILES([libelf/Makefile libelf-po/Makefile.in]) |
| 141 | |
| 142 | dnl Higher-level ELF support library. |
| 143 | AC_CONFIG_FILES([libebl/Makefile]) |
| 144 | |
| 145 | dnl DWARF library. |
| 146 | AC_CONFIG_FILES([libdw/Makefile]) |
| 147 | |
| 148 | dnl CPU handling library. |
| 149 | AC_CONFIG_FILES([libcpu/Makefile]) |
| 150 | |
| 151 | dnl Assembler library. |
| 152 | AC_CONFIG_FILES([libasm/Makefile]) |
| 153 | |
| 154 | dnl Tools. |
| 155 | AC_CONFIG_FILES([src/Makefile po/Makefile.in]) |
| 156 | |
| 157 | dnl Test suite. |
| 158 | AC_CONFIG_FILES([tests/Makefile]) |
| 159 | |
| 160 | |
| 161 | dnl Test of the config.h file. We hide all kinds of configuration magic |
| 162 | dnl in there. |
| 163 | AH_BOTTOM([ |
| 164 | /* Eventually we will allow multi-threaded applications to use the |
| 165 | libraries. Therefore we will add the necessary locking although |
| 166 | the macros used expand to nothing for now. */ |
| 167 | #define lock_lock(lock) ((void) (lock)) |
| 168 | #define rwlock_define(class,name) class int name |
| 169 | #define rwlock_init(lock) ((void) (lock)) |
| 170 | #define rwlock_fini(lock) ((void) (lock)) |
| 171 | #define rwlock_rdlock(lock) ((void) (lock)) |
| 172 | #define rwlock_wrlock(lock) ((void) (lock)) |
| 173 | #define rwlock_unlock(lock) ((void) (lock)) |
| 174 | #define tls_key_t void * |
| 175 | #define key_create(keyp, freefct) (1) |
| 176 | #define getspecific(key) key |
| 177 | #define setspecific(key,val) key = val |
| 178 | #define once_define(class,name) class int name |
| 179 | #define once_execute(name,fct) \ |
| 180 | do { \ |
| 181 | if (name == 0) \ |
| 182 | fct (); \ |
| 183 | name = 1; \ |
| 184 | } while (0) |
| 185 | |
| 186 | /* gettext helper macro. */ |
| 187 | #define N_(Str) Str |
| 188 | |
| 189 | /* Compiler-specific definitions. */ |
| 190 | #define strong_alias(name, aliasname) \ |
| 191 | extern __typeof (name) aliasname __attribute__ ((alias (#name))); |
| 192 | |
| 193 | #ifdef __i386__ |
| 194 | # define internal_function_def __attribute__ ((regparm (3), stdcall)) |
| 195 | #else |
| 196 | # define internal_function_def /* nothing */ |
| 197 | #endif |
| 198 | |
| 199 | # define internal_function \ |
| 200 | internal_function_def __attribute__ ((visibility ("internal"))) |
| 201 | # define internal_strong_alias(name, aliasname) \ |
| 202 | extern __typeof (name) aliasname __attribute__ ((alias (#name), visibility ("internal"))) internal_function_def; |
| 203 | |
| 204 | #define attribute_hidden \ |
| 205 | __attribute__ ((visibility ("hidden"))) |
| 206 | |
| 207 | /* Define ALLOW_UNALIGNED if the architecture allows operations on |
| 208 | unaligned memory locations. */ |
| 209 | #if defined __i386__ || defined __alpha__ || defined __x86_64__ || defined __ia64__ |
| 210 | # define ALLOW_UNALIGNED 1 |
| 211 | #else |
| 212 | # define ALLOW_UNALIGNED 0 |
| 213 | #endif |
| 214 | |
| 215 | #define unlikely(expr) __builtin_expect (expr, 0) |
| 216 | #define likely(expr) __builtin_expect (expr, 1) |
| 217 | |
| 218 | #define obstack_calloc(ob, size) \ |
| 219 | ({ size_t _s = (size); memset (obstack_alloc (ob, _s), '\0', _s); }) |
| 220 | #define obstack_strdup(ob, str) \ |
| 221 | ({ const char *_s = (str); obstack_copy0 (ob, _s, strlen (_s)); }) |
| 222 | #define obstack_strndup(ob, str, n) \ |
| 223 | ({ const char *_s = (str); obstack_copy0 (ob, _s, strnlen (_s, n)); }) |
| 224 | |
| 225 | #if __STDC_VERSION__ >= 199901L |
| 226 | # define flexarr_size /* empty */ |
| 227 | #else |
| 228 | # define flexarr_size 0 |
| 229 | #endif |
| 230 | |
| 231 | /* Calling conventions. */ |
| 232 | #ifdef __i386__ |
| 233 | # define CALLING_CONVENTION regparm (3), stdcall |
| 234 | # define AND_CALLING_CONVENTION , regparm (3), stdcall |
| 235 | #else |
| 236 | # define CALLING_CONVENTION |
| 237 | # define AND_CALLING_CONVENTION |
| 238 | #endif |
| 239 | |
| 240 | /* Avoid PLT entries. */ |
| 241 | #ifdef PIC |
| 242 | # define INTUSE(name) _INTUSE(name) |
| 243 | # define _INTUSE(name) __##name##_internal |
| 244 | # define INTDEF(name) _INTDEF(name) |
| 245 | # define _INTDEF(name) \ |
| 246 | extern __typeof__ (name) __##name##_internal __attribute__ ((alias (#name))); |
| 247 | #else |
| 248 | # define INTUSE(name) name |
| 249 | # define INTDEF(name) /* empty */ |
| 250 | #endif |
| 251 | ]) |
| 252 | |
| 253 | AC_OUTPUT |