| 1 | dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support |
| 2 | dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov> |
| 3 | |
| 4 | # Keep these includes in sync with the aclocal_m4_deps list in |
| 5 | # Makefile.in. |
| 6 | |
| 7 | sinclude(acx_configure_dir.m4) |
| 8 | |
| 9 | # This gets GDB_AC_LIBMCHECK. |
| 10 | sinclude(libmcheck.m4) |
| 11 | |
| 12 | # This gets GDB_AC_TRANSFORM. |
| 13 | sinclude(transform.m4) |
| 14 | |
| 15 | dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition. |
| 16 | sinclude(../bfd/bfd.m4) |
| 17 | |
| 18 | dnl This gets the standard macros. |
| 19 | sinclude(../config/acinclude.m4) |
| 20 | |
| 21 | dnl This gets AC_PLUGINS, needed by ACX_LARGEFILE. |
| 22 | sinclude(../config/plugins.m4) |
| 23 | |
| 24 | dnl For ACX_LARGEFILE. |
| 25 | sinclude(../config/largefile.m4) |
| 26 | |
| 27 | dnl For AM_SET_LEADING_DOT. |
| 28 | sinclude(../config/lead-dot.m4) |
| 29 | |
| 30 | dnl This gets autoconf bugfixes. |
| 31 | sinclude(../config/override.m4) |
| 32 | |
| 33 | dnl For ZW_GNU_GETTEXT_SISTER_DIR. |
| 34 | sinclude(../config/gettext-sister.m4) |
| 35 | |
| 36 | dnl For AC_LIB_HAVE_LINKFLAGS. |
| 37 | sinclude(../config/lib-ld.m4) |
| 38 | sinclude(../config/lib-prefix.m4) |
| 39 | sinclude(../config/lib-link.m4) |
| 40 | |
| 41 | dnl For ACX_PKGVERSION and ACX_BUGURL. |
| 42 | sinclude(../config/acx.m4) |
| 43 | |
| 44 | dnl for TCL definitions |
| 45 | sinclude(../config/tcl.m4) |
| 46 | |
| 47 | dnl For dependency tracking macros. |
| 48 | sinclude([../config/depstand.m4]) |
| 49 | |
| 50 | dnl For AM_LC_MESSAGES |
| 51 | sinclude([../config/lcmessage.m4]) |
| 52 | |
| 53 | dnl For AM_LANGINFO_CODESET. |
| 54 | sinclude([../config/codeset.m4]) |
| 55 | |
| 56 | sinclude([../config/zlib.m4]) |
| 57 | |
| 58 | m4_include([common/common.m4]) |
| 59 | |
| 60 | dnl For libiberty_INIT. |
| 61 | m4_include(libiberty.m4) |
| 62 | |
| 63 | dnl For --enable-build-with-cxx and COMPILER. |
| 64 | m4_include(build-with-cxx.m4) |
| 65 | |
| 66 | dnl For GDB_AC_PTRACE. |
| 67 | m4_include(ptrace.m4) |
| 68 | |
| 69 | ## ----------------------------------------- ## |
| 70 | ## ANSIfy the C compiler whenever possible. ## |
| 71 | ## From Franc,ois Pinard ## |
| 72 | ## ----------------------------------------- ## |
| 73 | |
| 74 | # Copyright (C) 1996-2015 Free Software Foundation, Inc. |
| 75 | |
| 76 | # This program is free software; you can redistribute it and/or modify |
| 77 | # it under the terms of the GNU General Public License as published by |
| 78 | # the Free Software Foundation; either version 2, or (at your option) |
| 79 | # any later version. |
| 80 | |
| 81 | # This program is distributed in the hope that it will be useful, |
| 82 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 83 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 84 | # GNU General Public License for more details. |
| 85 | |
| 86 | # You should have received a copy of the GNU General Public License |
| 87 | # along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 88 | |
| 89 | # serial 1 |
| 90 | |
| 91 | # @defmac AC_PROG_CC_STDC |
| 92 | # @maindex PROG_CC_STDC |
| 93 | # @ovindex CC |
| 94 | # If the C compiler in not in ANSI C mode by default, try to add an option |
| 95 | # to output variable @code{CC} to make it so. This macro tries various |
| 96 | # options that select ANSI C on some system or another. It considers the |
| 97 | # compiler to be in ANSI C mode if it handles function prototypes correctly. |
| 98 | # |
| 99 | # If you use this macro, you should check after calling it whether the C |
| 100 | # compiler has been set to accept ANSI C; if not, the shell variable |
| 101 | # @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source |
| 102 | # code in ANSI C, you can make an un-ANSIfied copy of it by using the |
| 103 | # program @code{ansi2knr}, which comes with Ghostscript. |
| 104 | # @end defmac |
| 105 | |
| 106 | AC_DEFUN([AM_PROG_CC_STDC], |
| 107 | [AC_REQUIRE([AC_PROG_CC]) |
| 108 | AC_BEFORE([$0], [AC_C_INLINE]) |
| 109 | AC_BEFORE([$0], [AC_C_CONST]) |
| 110 | dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require |
| 111 | dnl a magic option to avoid problems with ANSI preprocessor commands |
| 112 | dnl like #elif. |
| 113 | dnl FIXME: can't do this because then AC_AIX won't work due to a |
| 114 | dnl circular dependency. |
| 115 | dnl AC_BEFORE([$0], [AC_PROG_CPP]) |
| 116 | AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C]) |
| 117 | AC_CACHE_VAL(am_cv_prog_cc_stdc, |
| 118 | [am_cv_prog_cc_stdc=no |
| 119 | ac_save_CC="$CC" |
| 120 | # Don't try gcc -ansi; that turns off useful extensions and |
| 121 | # breaks some systems' header files. |
| 122 | # AIX -qlanglvl=ansi |
| 123 | # Ultrix and OSF/1 -std1 |
| 124 | # HP-UX 10.20 and later -Ae |
| 125 | # HP-UX older versions -Aa -D_HPUX_SOURCE |
| 126 | # SVR4 -Xc -D__EXTENSIONS__ |
| 127 | for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" |
| 128 | do |
| 129 | CC="$ac_save_CC $ac_arg" |
| 130 | AC_TRY_COMPILE( |
| 131 | [#include <stdarg.h> |
| 132 | #include <stdio.h> |
| 133 | #include <sys/types.h> |
| 134 | #include <sys/stat.h> |
| 135 | /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ |
| 136 | struct buf { int x; }; |
| 137 | FILE * (*rcsopen) (struct buf *, struct stat *, int); |
| 138 | static char *e (p, i) |
| 139 | char **p; |
| 140 | int i; |
| 141 | { |
| 142 | return p[i]; |
| 143 | } |
| 144 | static char *f (char * (*g) (char **, int), char **p, ...) |
| 145 | { |
| 146 | char *s; |
| 147 | va_list v; |
| 148 | va_start (v,p); |
| 149 | s = g (p, va_arg (v,int)); |
| 150 | va_end (v); |
| 151 | return s; |
| 152 | } |
| 153 | int test (int i, double x); |
| 154 | struct s1 {int (*f) (int a);}; |
| 155 | struct s2 {int (*f) (double a);}; |
| 156 | int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); |
| 157 | int argc; |
| 158 | char **argv; |
| 159 | ], [ |
| 160 | return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; |
| 161 | ], |
| 162 | [am_cv_prog_cc_stdc="$ac_arg"; break]) |
| 163 | done |
| 164 | CC="$ac_save_CC" |
| 165 | ]) |
| 166 | if test -z "$am_cv_prog_cc_stdc"; then |
| 167 | AC_MSG_RESULT([none needed]) |
| 168 | else |
| 169 | AC_MSG_RESULT([$am_cv_prog_cc_stdc]) |
| 170 | fi |
| 171 | case "x$am_cv_prog_cc_stdc" in |
| 172 | x|xno) ;; |
| 173 | *) CC="$CC $am_cv_prog_cc_stdc" ;; |
| 174 | esac |
| 175 | ]) |
| 176 | |
| 177 | dnl Originally from Bruno Haible, but with some modifications |
| 178 | dnl for the GDB project. |
| 179 | |
| 180 | AC_DEFUN([AM_ICONV], |
| 181 | [ |
| 182 | dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and |
| 183 | dnl those with the standalone portable GNU libiconv installed). |
| 184 | |
| 185 | AC_ARG_WITH([libiconv-prefix], |
| 186 | AS_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [ |
| 187 | for dir in `echo "$withval" | tr : ' '`; do |
| 188 | if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; fi |
| 189 | if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; fi |
| 190 | done |
| 191 | ]) |
| 192 | |
| 193 | BUILD_LIBICONV_LIBDIRS="../libiconv/lib/.libs ../libiconv/lib/_libs" |
| 194 | BUILD_LIBICONV_INCLUDE="-I../libiconv/include" |
| 195 | |
| 196 | AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ |
| 197 | am_cv_func_iconv="no, consider installing GNU libiconv" |
| 198 | am_cv_lib_iconv=no |
| 199 | am_cv_use_build_libiconv=no |
| 200 | am_cv_build_libiconv_path= |
| 201 | |
| 202 | # If libiconv is part of the build tree, then try using it over |
| 203 | # any system iconv. |
| 204 | if test -d ../libiconv; then |
| 205 | for lib_dir in $BUILD_LIBICONV_LIBDIRS; do |
| 206 | am_save_LIBS="$LIBS" |
| 207 | am_save_CPPFLAGS="$CPPFLAGS" |
| 208 | LIBS="$LIBS $lib_dir/libiconv.a" |
| 209 | CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE" |
| 210 | AC_TRY_LINK([#include <stdlib.h> |
| 211 | #include <iconv.h>], |
| 212 | [iconv_t cd = iconv_open("",""); |
| 213 | iconv(cd,NULL,NULL,NULL,NULL); |
| 214 | iconv_close(cd);], |
| 215 | am_cv_use_build_libiconv=yes |
| 216 | am_cv_build_libiconv_path=$lib_dir/libiconv.a |
| 217 | am_cv_lib_iconv=yes |
| 218 | am_cv_func_iconv=yes) |
| 219 | LIBS="$am_save_LIBS" |
| 220 | CPPFLAGS="$am_save_CPPFLAGS" |
| 221 | if test "$am_cv_use_build_libiconv" = "yes"; then |
| 222 | break |
| 223 | fi |
| 224 | done |
| 225 | fi |
| 226 | |
| 227 | # Next, try to find iconv in libc. |
| 228 | if test "$am_cv_func_iconv" != yes; then |
| 229 | AC_TRY_LINK([#include <stdlib.h> |
| 230 | #include <iconv.h>], |
| 231 | [iconv_t cd = iconv_open("",""); |
| 232 | iconv(cd,NULL,NULL,NULL,NULL); |
| 233 | iconv_close(cd);], |
| 234 | am_cv_func_iconv=yes) |
| 235 | fi |
| 236 | |
| 237 | # If iconv was not in libc, try -liconv. In this case, arrange to |
| 238 | # look in the libiconv prefix, if it was specified by the user. |
| 239 | if test "$am_cv_func_iconv" != yes; then |
| 240 | am_save_CPPFLAGS="$CPPFLAGS" |
| 241 | am_save_LIBS="$LIBS" |
| 242 | if test -n "$LIBICONV_INCLUDE"; then |
| 243 | CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE" |
| 244 | LIBS="$LIBS $LIBICONV_LIBDIR" |
| 245 | fi |
| 246 | LIBS="$LIBS -liconv" |
| 247 | AC_TRY_LINK([#include <stdlib.h> |
| 248 | #include <iconv.h>], |
| 249 | [iconv_t cd = iconv_open("",""); |
| 250 | iconv(cd,NULL,NULL,NULL,NULL); |
| 251 | iconv_close(cd);], |
| 252 | am_cv_lib_iconv=yes |
| 253 | am_cv_func_iconv=yes) |
| 254 | LIBS="$am_save_LIBS" |
| 255 | CPPFLAGS="$am_save_CPPFLAGS" |
| 256 | fi |
| 257 | ]) |
| 258 | |
| 259 | # Set the various flags based on the cache variables. We can't rely |
| 260 | # on the flags to remain set from the above code, due to caching. |
| 261 | LIBICONV= |
| 262 | if test "$am_cv_lib_iconv" = yes; then |
| 263 | LIBICONV="-liconv" |
| 264 | else |
| 265 | LIBICONV_LIBDIR= |
| 266 | LIBICONV_INCLUDE= |
| 267 | fi |
| 268 | if test "$am_cv_use_build_libiconv" = yes; then |
| 269 | LIBICONV="$am_cv_build_libiconv_path" |
| 270 | LIBICONV_LIBDIR="" |
| 271 | LIBICONV_INCLUDE="$BUILD_LIBICONV_INCLUDE" |
| 272 | fi |
| 273 | CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE" |
| 274 | LIBS="$LIBS $LIBICONV_LIBDIR $LIBICONV" |
| 275 | |
| 276 | if test "$am_cv_func_iconv" = yes; then |
| 277 | AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) |
| 278 | AC_MSG_CHECKING([for iconv declaration]) |
| 279 | AC_CACHE_VAL(am_cv_proto_iconv, [ |
| 280 | AC_TRY_COMPILE([ |
| 281 | #include <stdlib.h> |
| 282 | #include <iconv.h> |
| 283 | extern |
| 284 | #ifdef __cplusplus |
| 285 | "C" |
| 286 | #endif |
| 287 | #if defined(__STDC__) || defined(__cplusplus) |
| 288 | size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); |
| 289 | #else |
| 290 | size_t iconv(); |
| 291 | #endif |
| 292 | ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") |
| 293 | am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) |
| 294 | am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` |
| 295 | AC_MSG_RESULT([$]{ac_t:- |
| 296 | }[$]am_cv_proto_iconv) |
| 297 | AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, |
| 298 | [Define as const if the declaration of iconv() needs const.]) |
| 299 | fi |
| 300 | ]) |
| 301 | |
| 302 | dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva |
| 303 | dnl Version 1.3 (2001/03/02) |
| 304 | dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html |
| 305 | |
| 306 | AC_DEFUN([AC_DEFINE_DIR], [ |
| 307 | test "x$prefix" = xNONE && prefix="$ac_default_prefix" |
| 308 | test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' |
| 309 | ac_define_dir=`eval echo [$]$2` |
| 310 | ac_define_dir=`eval echo [$]ac_define_dir` |
| 311 | ifelse($3, , |
| 312 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir"), |
| 313 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3)) |
| 314 | ]) |
| 315 | |
| 316 | dnl See whether we need a declaration for a function. |
| 317 | dnl The result is highly dependent on the INCLUDES passed in, so make sure |
| 318 | dnl to use a different cache variable name in this macro if it is invoked |
| 319 | dnl in a different context somewhere else. |
| 320 | dnl gcc_AC_CHECK_DECL(SYMBOL, |
| 321 | dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) |
| 322 | AC_DEFUN([gcc_AC_CHECK_DECL], |
| 323 | [AC_MSG_CHECKING([whether $1 is declared]) |
| 324 | AC_CACHE_VAL(gcc_cv_have_decl_$1, |
| 325 | [AC_TRY_COMPILE([$4], |
| 326 | [#ifndef $1 |
| 327 | char *(*pfn) = (char *(*)) $1 ; |
| 328 | #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")]) |
| 329 | if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then |
| 330 | AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2]) |
| 331 | else |
| 332 | AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3]) |
| 333 | fi |
| 334 | ])dnl |
| 335 | |
| 336 | dnl Check multiple functions to see whether each needs a declaration. |
| 337 | dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate. |
| 338 | dnl gcc_AC_CHECK_DECLS(SYMBOLS, |
| 339 | dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]]) |
| 340 | AC_DEFUN([gcc_AC_CHECK_DECLS], |
| 341 | [for ac_func in $1 |
| 342 | do |
| 343 | changequote(, )dnl |
| 344 | ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` |
| 345 | changequote([, ])dnl |
| 346 | gcc_AC_CHECK_DECL($ac_func, |
| 347 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2], |
| 348 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3], |
| 349 | dnl It is possible that the include files passed in here are local headers |
| 350 | dnl which supply a backup declaration for the relevant prototype based on |
| 351 | dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test |
| 352 | dnl will always return success. E.g. see libiberty.h's handling of |
| 353 | dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to |
| 354 | dnl 1 so that any local headers used do not provide their own prototype |
| 355 | dnl during this test. |
| 356 | #undef $ac_tr_decl |
| 357 | #define $ac_tr_decl 1 |
| 358 | $4 |
| 359 | ) |
| 360 | done |
| 361 | dnl Automatically generate config.h entries via autoheader. |
| 362 | if test x = y ; then |
| 363 | patsubst(translit([$1], [a-z], [A-Z]), [\w+], |
| 364 | [AC_DEFINE([HAVE_DECL_\&], 1, |
| 365 | [Define to 1 if we found this declaration otherwise define to 0.])])dnl |
| 366 | fi |
| 367 | ]) |
| 368 | |
| 369 | dnl Find the location of the private Tcl headers |
| 370 | dnl When Tcl is installed, this is TCL_INCLUDE_SPEC/tcl-private/generic |
| 371 | dnl When Tcl is in the build tree, this is not needed. |
| 372 | dnl |
| 373 | dnl Note: you must use first use SC_LOAD_TCLCONFIG! |
| 374 | AC_DEFUN([CY_AC_TCL_PRIVATE_HEADERS], [ |
| 375 | AC_MSG_CHECKING([for Tcl private headers]) |
| 376 | private_dir="" |
| 377 | dir=`echo ${TCL_INCLUDE_SPEC}/tcl-private/generic | sed -e s/-I//` |
| 378 | if test -f ${dir}/tclInt.h ; then |
| 379 | private_dir=${dir} |
| 380 | fi |
| 381 | |
| 382 | if test x"${private_dir}" = x; then |
| 383 | AC_ERROR(could not find private Tcl headers) |
| 384 | else |
| 385 | TCL_PRIVATE_INCLUDE="-I${private_dir}" |
| 386 | AC_MSG_RESULT(${private_dir}) |
| 387 | fi |
| 388 | ]) |
| 389 | |
| 390 | dnl Find the location of the private Tk headers |
| 391 | dnl When Tk is installed, this is TK_INCLUDE_SPEC/tk-private/generic |
| 392 | dnl When Tk is in the build tree, this not needed. |
| 393 | dnl |
| 394 | dnl Note: you must first use SC_LOAD_TKCONFIG |
| 395 | AC_DEFUN([CY_AC_TK_PRIVATE_HEADERS], [ |
| 396 | AC_MSG_CHECKING([for Tk private headers]) |
| 397 | private_dir="" |
| 398 | dir=`echo ${TK_INCLUDE_SPEC}/tk-private/generic | sed -e s/-I//` |
| 399 | if test -f ${dir}/tkInt.h; then |
| 400 | private_dir=${dir} |
| 401 | fi |
| 402 | |
| 403 | if test x"${private_dir}" = x; then |
| 404 | AC_ERROR(could not find Tk private headers) |
| 405 | else |
| 406 | TK_PRIVATE_INCLUDE="-I${private_dir}" |
| 407 | AC_MSG_RESULT(${private_dir}) |
| 408 | fi |
| 409 | ]) |
| 410 | |
| 411 | dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE]) |
| 412 | dnl For use in processing directory values for --with-foo. |
| 413 | dnl If the path in SHELL_VARIABLE is relative to the prefix, then the |
| 414 | dnl result is relocatable, then this will define the C macro |
| 415 | dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0. |
| 416 | AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [ |
| 417 | if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then |
| 418 | if test "x$prefix" = xNONE; then |
| 419 | test_prefix=/usr/local |
| 420 | else |
| 421 | test_prefix=$prefix |
| 422 | fi |
| 423 | else |
| 424 | test_prefix=$exec_prefix |
| 425 | fi |
| 426 | value=0 |
| 427 | case [$3] in |
| 428 | "${test_prefix}"|"${test_prefix}/"*|\ |
| 429 | '${exec_prefix}'|'${exec_prefix}/'*) |
| 430 | value=1 |
| 431 | ;; |
| 432 | esac |
| 433 | AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.]) |
| 434 | ]) |
| 435 | |
| 436 | dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT]) |
| 437 | dnl Add a new --with option that defines a directory. |
| 438 | dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called |
| 439 | dnl on this variable, as is AC_SUBST. |
| 440 | dnl ARG-NAME is the base name of the argument (without "--with"). |
| 441 | dnl HELP is the help text to use. |
| 442 | dnl If the user's choice is relative to the prefix, then the |
| 443 | dnl result is relocatable, then this will define the C macro |
| 444 | dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0. |
| 445 | dnl DEFAULT is the default value, which is used if the user |
| 446 | dnl does not specify the argument. |
| 447 | AC_DEFUN([GDB_AC_WITH_DIR], [ |
| 448 | AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [ |
| 449 | [$1]=$withval], [[$1]=[$4]]) |
| 450 | AC_DEFINE_DIR([$1], [$1], [$3]) |
| 451 | AC_SUBST([$1]) |
| 452 | GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir}) |
| 453 | ]) |
| 454 | |
| 455 | dnl GDB_AC_CHECK_BFD([MESSAGE], [CV], [CODE], [HEADER]) |
| 456 | dnl Check whether BFD provides a feature. |
| 457 | dnl MESSAGE is the "checking" message to display. |
| 458 | dnl CV is the name of the cache variable where the result is stored. |
| 459 | dnl The result will be "yes" or "no". |
| 460 | dnl CODE is some code to compile that checks for the feature. |
| 461 | dnl A link test is run. |
| 462 | dnl HEADER is the name of an extra BFD header to include. |
| 463 | AC_DEFUN([GDB_AC_CHECK_BFD], [ |
| 464 | OLD_CFLAGS=$CFLAGS |
| 465 | OLD_LDFLAGS=$LDFLAGS |
| 466 | OLD_LIBS=$LIBS |
| 467 | # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS |
| 468 | # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We |
| 469 | # always want our bfd. |
| 470 | CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS" |
| 471 | ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'` |
| 472 | LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS" |
| 473 | intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'` |
| 474 | LIBS="-lbfd -liberty -lz $intl $LIBS" |
| 475 | AC_CACHE_CHECK([$1], [$2], |
| 476 | [AC_TRY_LINK( |
| 477 | [#include <stdlib.h> |
| 478 | #include "bfd.h" |
| 479 | #include "$4" |
| 480 | ], |
| 481 | [return $3;], [[$2]=yes], [[$2]=no])]) |
| 482 | CFLAGS=$OLD_CFLAGS |
| 483 | LDFLAGS=$OLD_LDFLAGS |
| 484 | LIBS=$OLD_LIBS]) |
| 485 | |
| 486 | dnl GDB_GUILE_PROGRAM_NAMES([PKG-CONFIG], [VERSION]) |
| 487 | dnl |
| 488 | dnl Define and substitute 'GUILD' to contain the absolute file name of |
| 489 | dnl the 'guild' command for VERSION, using PKG-CONFIG. (This is |
| 490 | dnl similar to Guile's 'GUILE_PROGS' macro.) |
| 491 | AC_DEFUN([GDB_GUILE_PROGRAM_NAMES], [ |
| 492 | AC_CACHE_CHECK([for the absolute file name of the 'guild' command], |
| 493 | [ac_cv_guild_program_name], |
| 494 | [ac_cv_guild_program_name="`$1 --variable guild $2`" |
| 495 | |
| 496 | # In Guile up to 2.0.11 included, guile-2.0.pc would not define |
| 497 | # the 'guild' and 'bindir' variables. In that case, try to guess |
| 498 | # what the program name is, at the risk of getting it wrong if |
| 499 | # Guile was configured with '--program-suffix' or similar. |
| 500 | if test "x$ac_cv_guild_program_name" = "x"; then |
| 501 | guile_exec_prefix="`$1 --variable exec_prefix $2`" |
| 502 | ac_cv_guild_program_name="$guile_exec_prefix/bin/guild" |
| 503 | fi |
| 504 | ]) |
| 505 | |
| 506 | if ! "$ac_cv_guild_program_name" --version >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then |
| 507 | AC_MSG_ERROR(['$ac_cv_guild_program_name' appears to be unusable]) |
| 508 | fi |
| 509 | |
| 510 | GUILD="$ac_cv_guild_program_name" |
| 511 | AC_SUBST([GUILD]) |
| 512 | ]) |
| 513 | |
| 514 | dnl GDB_GUILD_TARGET_FLAG |
| 515 | dnl |
| 516 | dnl Compute the value of GUILD_TARGET_FLAG. |
| 517 | dnl For native builds this is empty. |
| 518 | dnl For cross builds this is --target=<host>. |
| 519 | AC_DEFUN([GDB_GUILD_TARGET_FLAG], [ |
| 520 | if test "$cross_compiling" = no; then |
| 521 | GUILD_TARGET_FLAG= |
| 522 | else |
| 523 | GUILD_TARGET_FLAG="--target=$host" |
| 524 | fi |
| 525 | AC_SUBST(GUILD_TARGET_FLAG) |
| 526 | ]) |
| 527 | |
| 528 | dnl GDB_TRY_GUILD([SRC-FILE]) |
| 529 | dnl |
| 530 | dnl We precompile the .scm files and install them with gdb, so make sure |
| 531 | dnl guild works for this host. |
| 532 | dnl The .scm files are precompiled for several reasons: |
| 533 | dnl 1) To silence Guile during gdb startup (Guile's auto-compilation output |
| 534 | dnl is unnecessarily verbose). |
| 535 | dnl 2) Make gdb developers see compilation errors/warnings during the build, |
| 536 | dnl and not leave it to later when the user runs gdb. |
| 537 | dnl 3) As a convenience for the user, so that one copy of the files is built |
| 538 | dnl instead of one copy per user. |
| 539 | dnl |
| 540 | dnl Make sure guild can handle this host by trying to compile SRC-FILE, and |
| 541 | dnl setting ac_cv_guild_ok to yes or no. |
| 542 | dnl Note that guild can handle cross-compilation. |
| 543 | dnl It could happen that guild can't handle the host, but guile would still |
| 544 | dnl work. For the time being we're conservative, and if guild doesn't work |
| 545 | dnl we punt. |
| 546 | AC_DEFUN([GDB_TRY_GUILD], [ |
| 547 | AC_REQUIRE([GDB_GUILD_TARGET_FLAG]) |
| 548 | AC_CACHE_CHECK([whether guild supports this host], |
| 549 | [ac_cv_guild_ok], |
| 550 | [echo "$ac_cv_guild_program_name compile $GUILD_TARGET_FLAG -o conftest.go $1" >&AS_MESSAGE_LOG_FD |
| 551 | if "$ac_cv_guild_program_name" compile $GUILD_TARGET_FLAG -o conftest.go "$1" >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then |
| 552 | ac_cv_guild_ok=yes |
| 553 | else |
| 554 | ac_cv_guild_ok=no |
| 555 | fi]) |
| 556 | ]) |