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c906108c SS |
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 | ||
7d928dac PA |
4 | # Keep these includes in sync with the aclocal_m4_deps list in |
5 | # Makefile.in. | |
6 | ||
4d0b984b | 7 | m4_include(acx_configure_dir.m4) |
c971b7fa | 8 | |
f6a88844 | 9 | # This gets GDB_AC_TRANSFORM. |
4d0b984b | 10 | m4_include(transform.m4) |
f6a88844 | 11 | |
b835bb52 | 12 | # This gets AM_GDB_WARNINGS. |
58df732b | 13 | m4_include(../gdbsupport/warning.m4) |
b835bb52 | 14 | |
f35d5ade | 15 | # AM_GDB_UBSAN |
4d0b984b | 16 | m4_include(sanitize.m4) |
f35d5ade | 17 | |
8ecfd7bd | 18 | # This gets GDB_AC_SELFTEST. |
272cd5a3 | 19 | m4_include(../gdbsupport/selftest.m4) |
8ecfd7bd | 20 | |
c906108c | 21 | dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition. |
4d0b984b | 22 | m4_include(../bfd/bfd.m4) |
c906108c | 23 | |
7d928dac | 24 | dnl This gets the standard macros. |
4d0b984b | 25 | m4_include(../config/acinclude.m4) |
c906108c | 26 | |
7d928dac | 27 | dnl This gets AC_PLUGINS, needed by ACX_LARGEFILE. |
4d0b984b | 28 | m4_include(../config/plugins.m4) |
7d928dac PA |
29 | |
30 | dnl For ACX_LARGEFILE. | |
4d0b984b | 31 | m4_include(../config/largefile.m4) |
7d928dac PA |
32 | |
33 | dnl For AM_SET_LEADING_DOT. | |
4d0b984b | 34 | m4_include(../config/lead-dot.m4) |
7d928dac PA |
35 | |
36 | dnl This gets autoconf bugfixes. | |
4d0b984b | 37 | m4_include(../config/override.m4) |
fdc59709 | 38 | |
7d928dac | 39 | dnl For ZW_GNU_GETTEXT_SISTER_DIR. |
4d0b984b | 40 | m4_include(../config/gettext-sister.m4) |
85981d60 | 41 | |
7fa2210b | 42 | dnl For AC_LIB_HAVE_LINKFLAGS. |
4d0b984b TT |
43 | m4_include(../config/lib-ld.m4) |
44 | m4_include(../config/lib-prefix.m4) | |
45 | m4_include(../config/lib-link.m4) | |
7fa2210b | 46 | |
c16158bc | 47 | dnl For ACX_PKGVERSION and ACX_BUGURL. |
4d0b984b | 48 | m4_include(../config/acx.m4) |
c16158bc | 49 | |
5062cc19 | 50 | dnl for TCL definitions |
4d0b984b | 51 | m4_include(../config/tcl.m4) |
5062cc19 | 52 | |
a417dc56 | 53 | dnl For dependency tracking macros. |
4d0b984b | 54 | m4_include([../config/depstand.m4]) |
a417dc56 | 55 | |
a8111142 | 56 | dnl For AM_LC_MESSAGES |
4d0b984b | 57 | m4_include([../config/lcmessage.m4]) |
a8111142 | 58 | |
6c7a06a3 | 59 | dnl For AM_LANGINFO_CODESET. |
4d0b984b | 60 | m4_include([../config/codeset.m4]) |
6c7a06a3 | 61 | |
4d0b984b | 62 | m4_include([../config/iconv.m4]) |
016a3251 | 63 | |
4d0b984b | 64 | m4_include([../config/zlib.m4]) |
b040ad30 | 65 | |
01027315 | 66 | m4_include([../gdbsupport/common.m4]) |
3266f10b | 67 | |
07697489 PA |
68 | dnl For libiberty_INIT. |
69 | m4_include(libiberty.m4) | |
70 | ||
eb7aa561 PA |
71 | dnl For GDB_AC_PTRACE. |
72 | m4_include(ptrace.m4) | |
73 | ||
0bcda685 PA |
74 | m4_include(ax_cxx_compile_stdcxx.m4) |
75 | ||
5e030278 TT |
76 | m4_include([../config/ax_pthread.m4]) |
77 | ||
56157b4a AC |
78 | ## ----------------------------------------- ## |
79 | ## ANSIfy the C compiler whenever possible. ## | |
80 | ## From Franc,ois Pinard ## | |
81 | ## ----------------------------------------- ## | |
82 | ||
b811d2c2 | 83 | # Copyright (C) 1996-2020 Free Software Foundation, Inc. |
56157b4a AC |
84 | |
85 | # This program is free software; you can redistribute it and/or modify | |
86 | # it under the terms of the GNU General Public License as published by | |
87 | # the Free Software Foundation; either version 2, or (at your option) | |
88 | # any later version. | |
89 | ||
90 | # This program is distributed in the hope that it will be useful, | |
91 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
92 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
93 | # GNU General Public License for more details. | |
94 | ||
95 | # You should have received a copy of the GNU General Public License | |
7785b880 | 96 | # along with this program; if not, see <http://www.gnu.org/licenses/>. |
56157b4a AC |
97 | |
98 | # serial 1 | |
99 | ||
100 | # @defmac AC_PROG_CC_STDC | |
101 | # @maindex PROG_CC_STDC | |
102 | # @ovindex CC | |
103 | # If the C compiler in not in ANSI C mode by default, try to add an option | |
104 | # to output variable @code{CC} to make it so. This macro tries various | |
105 | # options that select ANSI C on some system or another. It considers the | |
106 | # compiler to be in ANSI C mode if it handles function prototypes correctly. | |
107 | # | |
108 | # If you use this macro, you should check after calling it whether the C | |
109 | # compiler has been set to accept ANSI C; if not, the shell variable | |
110 | # @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source | |
111 | # code in ANSI C, you can make an un-ANSIfied copy of it by using the | |
112 | # program @code{ansi2knr}, which comes with Ghostscript. | |
113 | # @end defmac | |
114 | ||
115 | AC_DEFUN([AM_PROG_CC_STDC], | |
116 | [AC_REQUIRE([AC_PROG_CC]) | |
117 | AC_BEFORE([$0], [AC_C_INLINE]) | |
118 | AC_BEFORE([$0], [AC_C_CONST]) | |
119 | dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require | |
120 | dnl a magic option to avoid problems with ANSI preprocessor commands | |
121 | dnl like #elif. | |
122 | dnl FIXME: can't do this because then AC_AIX won't work due to a | |
123 | dnl circular dependency. | |
124 | dnl AC_BEFORE([$0], [AC_PROG_CPP]) | |
125 | AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C]) | |
126 | AC_CACHE_VAL(am_cv_prog_cc_stdc, | |
127 | [am_cv_prog_cc_stdc=no | |
128 | ac_save_CC="$CC" | |
129 | # Don't try gcc -ansi; that turns off useful extensions and | |
130 | # breaks some systems' header files. | |
131 | # AIX -qlanglvl=ansi | |
132 | # Ultrix and OSF/1 -std1 | |
133 | # HP-UX 10.20 and later -Ae | |
134 | # HP-UX older versions -Aa -D_HPUX_SOURCE | |
135 | # SVR4 -Xc -D__EXTENSIONS__ | |
136 | for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" | |
137 | do | |
138 | CC="$ac_save_CC $ac_arg" | |
139 | AC_TRY_COMPILE( | |
140 | [#include <stdarg.h> | |
141 | #include <stdio.h> | |
142 | #include <sys/types.h> | |
143 | #include <sys/stat.h> | |
144 | /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ | |
145 | struct buf { int x; }; | |
146 | FILE * (*rcsopen) (struct buf *, struct stat *, int); | |
147 | static char *e (p, i) | |
148 | char **p; | |
149 | int i; | |
150 | { | |
151 | return p[i]; | |
152 | } | |
153 | static char *f (char * (*g) (char **, int), char **p, ...) | |
154 | { | |
155 | char *s; | |
156 | va_list v; | |
157 | va_start (v,p); | |
158 | s = g (p, va_arg (v,int)); | |
159 | va_end (v); | |
160 | return s; | |
161 | } | |
162 | int test (int i, double x); | |
163 | struct s1 {int (*f) (int a);}; | |
164 | struct s2 {int (*f) (double a);}; | |
165 | int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); | |
166 | int argc; | |
167 | char **argv; | |
168 | ], [ | |
169 | return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; | |
170 | ], | |
171 | [am_cv_prog_cc_stdc="$ac_arg"; break]) | |
172 | done | |
173 | CC="$ac_save_CC" | |
174 | ]) | |
175 | if test -z "$am_cv_prog_cc_stdc"; then | |
176 | AC_MSG_RESULT([none needed]) | |
177 | else | |
178 | AC_MSG_RESULT([$am_cv_prog_cc_stdc]) | |
179 | fi | |
180 | case "x$am_cv_prog_cc_stdc" in | |
181 | x|xno) ;; | |
182 | *) CC="$CC $am_cv_prog_cc_stdc" ;; | |
183 | esac | |
184 | ]) | |
234b45d4 | 185 | |
5b5d99cf JB |
186 | dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva |
187 | dnl Version 1.3 (2001/03/02) | |
188 | dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html | |
189 | ||
190 | AC_DEFUN([AC_DEFINE_DIR], [ | |
191 | test "x$prefix" = xNONE && prefix="$ac_default_prefix" | |
192 | test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' | |
193 | ac_define_dir=`eval echo [$]$2` | |
194 | ac_define_dir=`eval echo [$]ac_define_dir` | |
195 | ifelse($3, , | |
196 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir"), | |
197 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3)) | |
198 | ]) | |
199 | ||
b9362cc7 AC |
200 | dnl See whether we need a declaration for a function. |
201 | dnl The result is highly dependent on the INCLUDES passed in, so make sure | |
202 | dnl to use a different cache variable name in this macro if it is invoked | |
203 | dnl in a different context somewhere else. | |
204 | dnl gcc_AC_CHECK_DECL(SYMBOL, | |
205 | dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) | |
da78b0e7 | 206 | AC_DEFUN([gcc_AC_CHECK_DECL], |
b9362cc7 AC |
207 | [AC_MSG_CHECKING([whether $1 is declared]) |
208 | AC_CACHE_VAL(gcc_cv_have_decl_$1, | |
209 | [AC_TRY_COMPILE([$4], | |
210 | [#ifndef $1 | |
211 | char *(*pfn) = (char *(*)) $1 ; | |
212 | #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")]) | |
213 | if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then | |
214 | AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2]) | |
215 | else | |
216 | AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3]) | |
217 | fi | |
218 | ])dnl | |
219 | ||
220 | dnl Check multiple functions to see whether each needs a declaration. | |
221 | dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate. | |
222 | dnl gcc_AC_CHECK_DECLS(SYMBOLS, | |
223 | dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]]) | |
da78b0e7 | 224 | AC_DEFUN([gcc_AC_CHECK_DECLS], |
b9362cc7 AC |
225 | [for ac_func in $1 |
226 | do | |
227 | changequote(, )dnl | |
228 | ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
229 | changequote([, ])dnl | |
230 | gcc_AC_CHECK_DECL($ac_func, | |
231 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2], | |
232 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3], | |
233 | dnl It is possible that the include files passed in here are local headers | |
234 | dnl which supply a backup declaration for the relevant prototype based on | |
235 | dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test | |
236 | dnl will always return success. E.g. see libiberty.h's handling of | |
237 | dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to | |
238 | dnl 1 so that any local headers used do not provide their own prototype | |
239 | dnl during this test. | |
240 | #undef $ac_tr_decl | |
241 | #define $ac_tr_decl 1 | |
242 | $4 | |
243 | ) | |
244 | done | |
245 | dnl Automatically generate config.h entries via autoheader. | |
246 | if test x = y ; then | |
247 | patsubst(translit([$1], [a-z], [A-Z]), [\w+], | |
248 | [AC_DEFINE([HAVE_DECL_\&], 1, | |
249 | [Define to 1 if we found this declaration otherwise define to 0.])])dnl | |
250 | fi | |
251 | ]) | |
252 | ||
5062cc19 KS |
253 | dnl Find the location of the private Tcl headers |
254 | dnl When Tcl is installed, this is TCL_INCLUDE_SPEC/tcl-private/generic | |
255 | dnl When Tcl is in the build tree, this is not needed. | |
256 | dnl | |
257 | dnl Note: you must use first use SC_LOAD_TCLCONFIG! | |
258 | AC_DEFUN([CY_AC_TCL_PRIVATE_HEADERS], [ | |
259 | AC_MSG_CHECKING([for Tcl private headers]) | |
260 | private_dir="" | |
261 | dir=`echo ${TCL_INCLUDE_SPEC}/tcl-private/generic | sed -e s/-I//` | |
262 | if test -f ${dir}/tclInt.h ; then | |
263 | private_dir=${dir} | |
264 | fi | |
265 | ||
266 | if test x"${private_dir}" = x; then | |
267 | AC_ERROR(could not find private Tcl headers) | |
268 | else | |
269 | TCL_PRIVATE_INCLUDE="-I${private_dir}" | |
270 | AC_MSG_RESULT(${private_dir}) | |
271 | fi | |
272 | ]) | |
273 | ||
274 | dnl Find the location of the private Tk headers | |
275 | dnl When Tk is installed, this is TK_INCLUDE_SPEC/tk-private/generic | |
276 | dnl When Tk is in the build tree, this not needed. | |
277 | dnl | |
278 | dnl Note: you must first use SC_LOAD_TKCONFIG | |
279 | AC_DEFUN([CY_AC_TK_PRIVATE_HEADERS], [ | |
280 | AC_MSG_CHECKING([for Tk private headers]) | |
281 | private_dir="" | |
282 | dir=`echo ${TK_INCLUDE_SPEC}/tk-private/generic | sed -e s/-I//` | |
283 | if test -f ${dir}/tkInt.h; then | |
284 | private_dir=${dir} | |
285 | fi | |
286 | ||
287 | if test x"${private_dir}" = x; then | |
288 | AC_ERROR(could not find Tk private headers) | |
289 | else | |
290 | TK_PRIVATE_INCLUDE="-I${private_dir}" | |
291 | AC_MSG_RESULT(${private_dir}) | |
292 | fi | |
293 | ]) | |
b14b1491 | 294 | |
0c4a4063 DE |
295 | dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE]) |
296 | dnl For use in processing directory values for --with-foo. | |
297 | dnl If the path in SHELL_VARIABLE is relative to the prefix, then the | |
b14b1491 TT |
298 | dnl result is relocatable, then this will define the C macro |
299 | dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0. | |
0c4a4063 | 300 | AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [ |
b14b1491 TT |
301 | if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then |
302 | if test "x$prefix" = xNONE; then | |
303 | test_prefix=/usr/local | |
304 | else | |
305 | test_prefix=$prefix | |
306 | fi | |
307 | else | |
308 | test_prefix=$exec_prefix | |
309 | fi | |
310 | value=0 | |
0c4a4063 | 311 | case [$3] in |
b14b1491 TT |
312 | "${test_prefix}"|"${test_prefix}/"*|\ |
313 | '${exec_prefix}'|'${exec_prefix}/'*) | |
314 | value=1 | |
315 | ;; | |
316 | esac | |
317 | AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.]) | |
0c4a4063 DE |
318 | ]) |
319 | ||
320 | dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT]) | |
321 | dnl Add a new --with option that defines a directory. | |
322 | dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called | |
323 | dnl on this variable, as is AC_SUBST. | |
324 | dnl ARG-NAME is the base name of the argument (without "--with"). | |
325 | dnl HELP is the help text to use. | |
326 | dnl If the user's choice is relative to the prefix, then the | |
327 | dnl result is relocatable, then this will define the C macro | |
328 | dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0. | |
329 | dnl DEFAULT is the default value, which is used if the user | |
330 | dnl does not specify the argument. | |
331 | AC_DEFUN([GDB_AC_WITH_DIR], [ | |
332 | AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [ | |
333 | [$1]=$withval], [[$1]=[$4]]) | |
334 | AC_DEFINE_DIR([$1], [$1], [$3]) | |
335 | AC_SUBST([$1]) | |
336 | GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir}) | |
b14b1491 | 337 | ]) |
def63ff0 TT |
338 | |
339 | dnl GDB_AC_CHECK_BFD([MESSAGE], [CV], [CODE], [HEADER]) | |
340 | dnl Check whether BFD provides a feature. | |
341 | dnl MESSAGE is the "checking" message to display. | |
342 | dnl CV is the name of the cache variable where the result is stored. | |
343 | dnl The result will be "yes" or "no". | |
344 | dnl CODE is some code to compile that checks for the feature. | |
345 | dnl A link test is run. | |
346 | dnl HEADER is the name of an extra BFD header to include. | |
347 | AC_DEFUN([GDB_AC_CHECK_BFD], [ | |
348 | OLD_CFLAGS=$CFLAGS | |
349 | OLD_LDFLAGS=$LDFLAGS | |
350 | OLD_LIBS=$LIBS | |
351 | # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS | |
352 | # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We | |
353 | # always want our bfd. | |
354 | CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS" | |
5a2d4533 L |
355 | ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'` |
356 | LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS" | |
def63ff0 | 357 | intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'` |
711a72d3 | 358 | LIBS="-lbfd -liberty -lz $intl $LIBS" |
def63ff0 TT |
359 | AC_CACHE_CHECK([$1], [$2], |
360 | [AC_TRY_LINK( | |
361 | [#include <stdlib.h> | |
362 | #include "bfd.h" | |
363 | #include "$4" | |
364 | ], | |
365 | [return $3;], [[$2]=yes], [[$2]=no])]) | |
366 | CFLAGS=$OLD_CFLAGS | |
367 | LDFLAGS=$OLD_LDFLAGS | |
368 | LIBS=$OLD_LIBS]) | |
e76c5d17 DE |
369 | |
370 | dnl GDB_GUILE_PROGRAM_NAMES([PKG-CONFIG], [VERSION]) | |
371 | dnl | |
372 | dnl Define and substitute 'GUILD' to contain the absolute file name of | |
373 | dnl the 'guild' command for VERSION, using PKG-CONFIG. (This is | |
374 | dnl similar to Guile's 'GUILE_PROGS' macro.) | |
375 | AC_DEFUN([GDB_GUILE_PROGRAM_NAMES], [ | |
376 | AC_CACHE_CHECK([for the absolute file name of the 'guild' command], | |
377 | [ac_cv_guild_program_name], | |
d342a0da | 378 | [ac_cv_guild_program_name="`$1 --variable guild $2`" |
e76c5d17 DE |
379 | |
380 | # In Guile up to 2.0.11 included, guile-2.0.pc would not define | |
381 | # the 'guild' and 'bindir' variables. In that case, try to guess | |
382 | # what the program name is, at the risk of getting it wrong if | |
383 | # Guile was configured with '--program-suffix' or similar. | |
384 | if test "x$ac_cv_guild_program_name" = "x"; then | |
d342a0da | 385 | guile_exec_prefix="`$1 --variable exec_prefix $2`" |
e76c5d17 DE |
386 | ac_cv_guild_program_name="$guile_exec_prefix/bin/guild" |
387 | fi | |
388 | ]) | |
389 | ||
390 | if ! "$ac_cv_guild_program_name" --version >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then | |
391 | AC_MSG_ERROR(['$ac_cv_guild_program_name' appears to be unusable]) | |
392 | fi | |
393 | ||
394 | GUILD="$ac_cv_guild_program_name" | |
395 | AC_SUBST([GUILD]) | |
396 | ]) | |
397 | ||
398 | dnl GDB_GUILD_TARGET_FLAG | |
399 | dnl | |
400 | dnl Compute the value of GUILD_TARGET_FLAG. | |
401 | dnl For native builds this is empty. | |
402 | dnl For cross builds this is --target=<host>. | |
403 | AC_DEFUN([GDB_GUILD_TARGET_FLAG], [ | |
404 | if test "$cross_compiling" = no; then | |
405 | GUILD_TARGET_FLAG= | |
406 | else | |
407 | GUILD_TARGET_FLAG="--target=$host" | |
408 | fi | |
409 | AC_SUBST(GUILD_TARGET_FLAG) | |
410 | ]) | |
411 | ||
412 | dnl GDB_TRY_GUILD([SRC-FILE]) | |
413 | dnl | |
414 | dnl We precompile the .scm files and install them with gdb, so make sure | |
415 | dnl guild works for this host. | |
416 | dnl The .scm files are precompiled for several reasons: | |
417 | dnl 1) To silence Guile during gdb startup (Guile's auto-compilation output | |
418 | dnl is unnecessarily verbose). | |
419 | dnl 2) Make gdb developers see compilation errors/warnings during the build, | |
420 | dnl and not leave it to later when the user runs gdb. | |
421 | dnl 3) As a convenience for the user, so that one copy of the files is built | |
422 | dnl instead of one copy per user. | |
423 | dnl | |
424 | dnl Make sure guild can handle this host by trying to compile SRC-FILE, and | |
425 | dnl setting ac_cv_guild_ok to yes or no. | |
426 | dnl Note that guild can handle cross-compilation. | |
427 | dnl It could happen that guild can't handle the host, but guile would still | |
428 | dnl work. For the time being we're conservative, and if guild doesn't work | |
429 | dnl we punt. | |
430 | AC_DEFUN([GDB_TRY_GUILD], [ | |
431 | AC_REQUIRE([GDB_GUILD_TARGET_FLAG]) | |
432 | AC_CACHE_CHECK([whether guild supports this host], | |
433 | [ac_cv_guild_ok], | |
434 | [echo "$ac_cv_guild_program_name compile $GUILD_TARGET_FLAG -o conftest.go $1" >&AS_MESSAGE_LOG_FD | |
435 | if "$ac_cv_guild_program_name" compile $GUILD_TARGET_FLAG -o conftest.go "$1" >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then | |
436 | ac_cv_guild_ok=yes | |
437 | else | |
438 | ac_cv_guild_ok=no | |
439 | fi]) | |
440 | ]) |