Commit | Line | Data |
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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 | ||
4 | dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition. | |
85981d60 | 5 | sinclude(../bfd/bfd.m4) |
c906108c | 6 | |
5062cc19 | 7 | dnl This gets the standard macros |
c906108c SS |
8 | sinclude(../config/acinclude.m4) |
9 | ||
fdc59709 PB |
10 | dnl This gets autoconf bugfixes |
11 | sinclude(../config/override.m4) | |
12 | ||
20e95c23 | 13 | sinclude(../config/gettext-sister.m4) |
85981d60 | 14 | |
7fa2210b DJ |
15 | dnl For AC_LIB_HAVE_LINKFLAGS. |
16 | sinclude(../config/lib-ld.m4) | |
17 | sinclude(../config/lib-prefix.m4) | |
18 | sinclude(../config/lib-link.m4) | |
19 | ||
c16158bc JM |
20 | dnl For ACX_PKGVERSION and ACX_BUGURL. |
21 | sinclude(../config/acx.m4) | |
22 | ||
5062cc19 KS |
23 | dnl for TCL definitions |
24 | sinclude(../config/tcl.m4) | |
25 | ||
a417dc56 RW |
26 | dnl For dependency tracking macros. |
27 | sinclude([../config/depstand.m4]) | |
28 | ||
a8111142 TT |
29 | dnl For AM_LC_MESSAGES |
30 | sinclude([../config/lcmessage.m4]) | |
31 | ||
6c7a06a3 TT |
32 | dnl For AM_LANGINFO_CODESET. |
33 | sinclude([../config/codeset.m4]) | |
34 | ||
c906108c SS |
35 | # |
36 | # Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This | |
37 | # makes configure think it's cross compiling. If --target wasn't used, then | |
38 | # we can't configure, so something is wrong. We don't use the cache | |
39 | # here cause if somebody fixes their compiler install, we want this to work. | |
da78b0e7 | 40 | AC_DEFUN([CY_AC_C_WORKS], |
c906108c SS |
41 | [# If we cannot compile and link a trivial program, we can't expect anything to work |
42 | AC_MSG_CHECKING(whether the compiler ($CC) actually works) | |
43 | AC_TRY_COMPILE(, [/* don't need anything here */], | |
44 | c_compiles=yes, c_compiles=no) | |
45 | ||
46 | AC_TRY_LINK(, [/* don't need anything here */], | |
47 | c_links=yes, c_links=no) | |
48 | ||
49 | if test x"${c_compiles}" = x"no" ; then | |
50 | AC_MSG_ERROR(the native compiler is broken and won't compile.) | |
51 | fi | |
52 | ||
53 | if test x"${c_links}" = x"no" ; then | |
54 | AC_MSG_ERROR(the native compiler is broken and won't link.) | |
55 | fi | |
56 | AC_MSG_RESULT(yes) | |
57 | ]) | |
58 | ||
56157b4a AC |
59 | ## ----------------------------------------- ## |
60 | ## ANSIfy the C compiler whenever possible. ## | |
61 | ## From Franc,ois Pinard ## | |
62 | ## ----------------------------------------- ## | |
63 | ||
0fb0cc75 JB |
64 | # Copyright (C) 1996, 1997, 1999, 2000, 2001, 2008, 2009 |
65 | Free Software Foundation, Inc. | |
56157b4a AC |
66 | |
67 | # This program is free software; you can redistribute it and/or modify | |
68 | # it under the terms of the GNU General Public License as published by | |
69 | # the Free Software Foundation; either version 2, or (at your option) | |
70 | # any later version. | |
71 | ||
72 | # This program is distributed in the hope that it will be useful, | |
73 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
74 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
75 | # GNU General Public License for more details. | |
76 | ||
77 | # You should have received a copy of the GNU General Public License | |
78 | # along with this program; if not, write to the Free Software | |
197e01b6 EZ |
79 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, |
80 | # Boston, MA 02110-1301, USA. | |
56157b4a AC |
81 | |
82 | # serial 1 | |
83 | ||
84 | # @defmac AC_PROG_CC_STDC | |
85 | # @maindex PROG_CC_STDC | |
86 | # @ovindex CC | |
87 | # If the C compiler in not in ANSI C mode by default, try to add an option | |
88 | # to output variable @code{CC} to make it so. This macro tries various | |
89 | # options that select ANSI C on some system or another. It considers the | |
90 | # compiler to be in ANSI C mode if it handles function prototypes correctly. | |
91 | # | |
92 | # If you use this macro, you should check after calling it whether the C | |
93 | # compiler has been set to accept ANSI C; if not, the shell variable | |
94 | # @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source | |
95 | # code in ANSI C, you can make an un-ANSIfied copy of it by using the | |
96 | # program @code{ansi2knr}, which comes with Ghostscript. | |
97 | # @end defmac | |
98 | ||
99 | AC_DEFUN([AM_PROG_CC_STDC], | |
100 | [AC_REQUIRE([AC_PROG_CC]) | |
101 | AC_BEFORE([$0], [AC_C_INLINE]) | |
102 | AC_BEFORE([$0], [AC_C_CONST]) | |
103 | dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require | |
104 | dnl a magic option to avoid problems with ANSI preprocessor commands | |
105 | dnl like #elif. | |
106 | dnl FIXME: can't do this because then AC_AIX won't work due to a | |
107 | dnl circular dependency. | |
108 | dnl AC_BEFORE([$0], [AC_PROG_CPP]) | |
109 | AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C]) | |
110 | AC_CACHE_VAL(am_cv_prog_cc_stdc, | |
111 | [am_cv_prog_cc_stdc=no | |
112 | ac_save_CC="$CC" | |
113 | # Don't try gcc -ansi; that turns off useful extensions and | |
114 | # breaks some systems' header files. | |
115 | # AIX -qlanglvl=ansi | |
116 | # Ultrix and OSF/1 -std1 | |
117 | # HP-UX 10.20 and later -Ae | |
118 | # HP-UX older versions -Aa -D_HPUX_SOURCE | |
119 | # SVR4 -Xc -D__EXTENSIONS__ | |
120 | for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" | |
121 | do | |
122 | CC="$ac_save_CC $ac_arg" | |
123 | AC_TRY_COMPILE( | |
124 | [#include <stdarg.h> | |
125 | #include <stdio.h> | |
126 | #include <sys/types.h> | |
127 | #include <sys/stat.h> | |
128 | /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ | |
129 | struct buf { int x; }; | |
130 | FILE * (*rcsopen) (struct buf *, struct stat *, int); | |
131 | static char *e (p, i) | |
132 | char **p; | |
133 | int i; | |
134 | { | |
135 | return p[i]; | |
136 | } | |
137 | static char *f (char * (*g) (char **, int), char **p, ...) | |
138 | { | |
139 | char *s; | |
140 | va_list v; | |
141 | va_start (v,p); | |
142 | s = g (p, va_arg (v,int)); | |
143 | va_end (v); | |
144 | return s; | |
145 | } | |
146 | int test (int i, double x); | |
147 | struct s1 {int (*f) (int a);}; | |
148 | struct s2 {int (*f) (double a);}; | |
149 | int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); | |
150 | int argc; | |
151 | char **argv; | |
152 | ], [ | |
153 | return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; | |
154 | ], | |
155 | [am_cv_prog_cc_stdc="$ac_arg"; break]) | |
156 | done | |
157 | CC="$ac_save_CC" | |
158 | ]) | |
159 | if test -z "$am_cv_prog_cc_stdc"; then | |
160 | AC_MSG_RESULT([none needed]) | |
161 | else | |
162 | AC_MSG_RESULT([$am_cv_prog_cc_stdc]) | |
163 | fi | |
164 | case "x$am_cv_prog_cc_stdc" in | |
165 | x|xno) ;; | |
166 | *) CC="$CC $am_cv_prog_cc_stdc" ;; | |
167 | esac | |
168 | ]) | |
234b45d4 KB |
169 | |
170 | dnl From Bruno Haible. | |
171 | ||
172 | AC_DEFUN([AM_ICONV], | |
173 | [ | |
174 | dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and | |
175 | dnl those with the standalone portable GNU libiconv installed). | |
176 | ||
177 | AC_ARG_WITH([libiconv-prefix], | |
d2596e2e | 178 | AS_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [ |
234b45d4 | 179 | for dir in `echo "$withval" | tr : ' '`; do |
94ae1714 TT |
180 | if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; fi |
181 | if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; fi | |
234b45d4 KB |
182 | done |
183 | ]) | |
184 | ||
6c7a06a3 TT |
185 | BUILD_LIBICONV_LIBDIR="-L../libiconv/lib/.libs -L../libiconv/lib/_libs" |
186 | BUILD_LIBICONV_INCLUDE="-I../libiconv/include" | |
187 | ||
234b45d4 KB |
188 | AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ |
189 | am_cv_func_iconv="no, consider installing GNU libiconv" | |
190 | am_cv_lib_iconv=no | |
6c7a06a3 | 191 | am_cv_use_build_libiconv=no |
94ae1714 | 192 | # First, try to find iconv in libc. |
234b45d4 KB |
193 | AC_TRY_LINK([#include <stdlib.h> |
194 | #include <iconv.h>], | |
195 | [iconv_t cd = iconv_open("",""); | |
196 | iconv(cd,NULL,NULL,NULL,NULL); | |
197 | iconv_close(cd);], | |
198 | am_cv_func_iconv=yes) | |
94ae1714 TT |
199 | |
200 | # If iconv was not in libc, try -liconv. In this case, arrange to | |
201 | # look in the libiconv prefix, if it was specified by the user. | |
234b45d4 | 202 | if test "$am_cv_func_iconv" != yes; then |
94ae1714 | 203 | am_save_CPPFLAGS="$CPPFLAGS" |
234b45d4 | 204 | am_save_LIBS="$LIBS" |
94ae1714 TT |
205 | if test -n "$LIBICONV_INCLUDE"; then |
206 | CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE" | |
207 | LIBS="$LIBS $LIBICONV_LIBDIR" | |
208 | fi | |
234b45d4 KB |
209 | LIBS="$LIBS -liconv" |
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_lib_iconv=yes | |
216 | am_cv_func_iconv=yes) | |
217 | LIBS="$am_save_LIBS" | |
94ae1714 | 218 | CPPFLAGS="$am_save_CPPFLAGS" |
234b45d4 | 219 | fi |
94ae1714 TT |
220 | |
221 | # If that didn't work, try to find libiconv in the build tree. | |
6c7a06a3 TT |
222 | if test "$am_cv_func_iconv" != yes && test -d ../libiconv; then |
223 | am_save_LIBS="$LIBS" | |
224 | am_save_CPPFLAGS="$CPPFLAGS" | |
225 | LIBS="$LIBS $BUILD_LIBICONV_LIBDIR -liconv" | |
226 | CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE" | |
227 | AC_TRY_LINK([#include <stdlib.h> | |
228 | #include <iconv.h>], | |
229 | [iconv_t cd = iconv_open("",""); | |
230 | iconv(cd,NULL,NULL,NULL,NULL); | |
231 | iconv_close(cd);], | |
94ae1714 | 232 | am_cv_use_build_libiconv=yes |
6c7a06a3 TT |
233 | am_cv_lib_iconv=yes |
234 | am_cv_func_iconv=yes) | |
235 | LIBS="$am_save_LIBS" | |
fc3b640d | 236 | CPPFLAGS="$am_save_CPPFLAGS" |
6c7a06a3 | 237 | fi |
234b45d4 | 238 | ]) |
94ae1714 TT |
239 | |
240 | # Set the various flags based on the cache variables. We can't rely | |
241 | # on the flags to remain set from the above code, due to caching. | |
fc3b640d TT |
242 | LIBICONV= |
243 | if test "$am_cv_lib_iconv" = yes; then | |
244 | LIBICONV="-liconv" | |
94ae1714 TT |
245 | else |
246 | LIBICONV_LIBDIR= | |
247 | LIBICONV_INCLUDE= | |
fc3b640d TT |
248 | fi |
249 | if test "$am_cv_use_build_libiconv" = yes; then | |
250 | LIBICONV_LIBDIR="$BUILD_LIBICONV_LIBDIR" | |
251 | LIBICONV_INCLUDE="$BUILD_LIBICONV_INCLUDE" | |
252 | fi | |
253 | CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE" | |
254 | LIBS="$LIBS $LIBICONV_LIBDIR $LIBICONV" | |
94ae1714 | 255 | |
234b45d4 KB |
256 | if test "$am_cv_func_iconv" = yes; then |
257 | AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) | |
258 | AC_MSG_CHECKING([for iconv declaration]) | |
259 | AC_CACHE_VAL(am_cv_proto_iconv, [ | |
260 | AC_TRY_COMPILE([ | |
261 | #include <stdlib.h> | |
262 | #include <iconv.h> | |
263 | extern | |
264 | #ifdef __cplusplus | |
265 | "C" | |
266 | #endif | |
267 | #if defined(__STDC__) || defined(__cplusplus) | |
268 | size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); | |
269 | #else | |
270 | size_t iconv(); | |
271 | #endif | |
272 | ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") | |
273 | am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) | |
274 | am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` | |
275 | AC_MSG_RESULT([$]{ac_t:- | |
276 | }[$]am_cv_proto_iconv) | |
277 | AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, | |
278 | [Define as const if the declaration of iconv() needs const.]) | |
279 | fi | |
234b45d4 | 280 | ]) |
14abd0fb | 281 | |
5b5d99cf JB |
282 | dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva |
283 | dnl Version 1.3 (2001/03/02) | |
284 | dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html | |
285 | ||
286 | AC_DEFUN([AC_DEFINE_DIR], [ | |
287 | test "x$prefix" = xNONE && prefix="$ac_default_prefix" | |
288 | test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' | |
289 | ac_define_dir=`eval echo [$]$2` | |
290 | ac_define_dir=`eval echo [$]ac_define_dir` | |
291 | ifelse($3, , | |
292 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir"), | |
293 | AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3)) | |
294 | ]) | |
295 | ||
b9362cc7 AC |
296 | dnl See whether we need a declaration for a function. |
297 | dnl The result is highly dependent on the INCLUDES passed in, so make sure | |
298 | dnl to use a different cache variable name in this macro if it is invoked | |
299 | dnl in a different context somewhere else. | |
300 | dnl gcc_AC_CHECK_DECL(SYMBOL, | |
301 | dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) | |
da78b0e7 | 302 | AC_DEFUN([gcc_AC_CHECK_DECL], |
b9362cc7 AC |
303 | [AC_MSG_CHECKING([whether $1 is declared]) |
304 | AC_CACHE_VAL(gcc_cv_have_decl_$1, | |
305 | [AC_TRY_COMPILE([$4], | |
306 | [#ifndef $1 | |
307 | char *(*pfn) = (char *(*)) $1 ; | |
308 | #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")]) | |
309 | if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then | |
310 | AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2]) | |
311 | else | |
312 | AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3]) | |
313 | fi | |
314 | ])dnl | |
315 | ||
316 | dnl Check multiple functions to see whether each needs a declaration. | |
317 | dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate. | |
318 | dnl gcc_AC_CHECK_DECLS(SYMBOLS, | |
319 | dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]]) | |
da78b0e7 | 320 | AC_DEFUN([gcc_AC_CHECK_DECLS], |
b9362cc7 AC |
321 | [for ac_func in $1 |
322 | do | |
323 | changequote(, )dnl | |
324 | ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
325 | changequote([, ])dnl | |
326 | gcc_AC_CHECK_DECL($ac_func, | |
327 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2], | |
328 | [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3], | |
329 | dnl It is possible that the include files passed in here are local headers | |
330 | dnl which supply a backup declaration for the relevant prototype based on | |
331 | dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test | |
332 | dnl will always return success. E.g. see libiberty.h's handling of | |
333 | dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to | |
334 | dnl 1 so that any local headers used do not provide their own prototype | |
335 | dnl during this test. | |
336 | #undef $ac_tr_decl | |
337 | #define $ac_tr_decl 1 | |
338 | $4 | |
339 | ) | |
340 | done | |
341 | dnl Automatically generate config.h entries via autoheader. | |
342 | if test x = y ; then | |
343 | patsubst(translit([$1], [a-z], [A-Z]), [\w+], | |
344 | [AC_DEFINE([HAVE_DECL_\&], 1, | |
345 | [Define to 1 if we found this declaration otherwise define to 0.])])dnl | |
346 | fi | |
347 | ]) | |
348 | ||
5062cc19 KS |
349 | dnl Find the location of the private Tcl headers |
350 | dnl When Tcl is installed, this is TCL_INCLUDE_SPEC/tcl-private/generic | |
351 | dnl When Tcl is in the build tree, this is not needed. | |
352 | dnl | |
353 | dnl Note: you must use first use SC_LOAD_TCLCONFIG! | |
354 | AC_DEFUN([CY_AC_TCL_PRIVATE_HEADERS], [ | |
355 | AC_MSG_CHECKING([for Tcl private headers]) | |
356 | private_dir="" | |
357 | dir=`echo ${TCL_INCLUDE_SPEC}/tcl-private/generic | sed -e s/-I//` | |
358 | if test -f ${dir}/tclInt.h ; then | |
359 | private_dir=${dir} | |
360 | fi | |
361 | ||
362 | if test x"${private_dir}" = x; then | |
363 | AC_ERROR(could not find private Tcl headers) | |
364 | else | |
365 | TCL_PRIVATE_INCLUDE="-I${private_dir}" | |
366 | AC_MSG_RESULT(${private_dir}) | |
367 | fi | |
368 | ]) | |
369 | ||
370 | dnl Find the location of the private Tk headers | |
371 | dnl When Tk is installed, this is TK_INCLUDE_SPEC/tk-private/generic | |
372 | dnl When Tk is in the build tree, this not needed. | |
373 | dnl | |
374 | dnl Note: you must first use SC_LOAD_TKCONFIG | |
375 | AC_DEFUN([CY_AC_TK_PRIVATE_HEADERS], [ | |
376 | AC_MSG_CHECKING([for Tk private headers]) | |
377 | private_dir="" | |
378 | dir=`echo ${TK_INCLUDE_SPEC}/tk-private/generic | sed -e s/-I//` | |
379 | if test -f ${dir}/tkInt.h; then | |
380 | private_dir=${dir} | |
381 | fi | |
382 | ||
383 | if test x"${private_dir}" = x; then | |
384 | AC_ERROR(could not find Tk private headers) | |
385 | else | |
386 | TK_PRIVATE_INCLUDE="-I${private_dir}" | |
387 | AC_MSG_RESULT(${private_dir}) | |
388 | fi | |
389 | ]) | |
b14b1491 TT |
390 | |
391 | dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT]) | |
392 | dnl Add a new --with option that defines a directory. | |
393 | dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called | |
394 | dnl on this variable, as is AC_SUBST. | |
395 | dnl ARG-NAME is the base name of the argument (without "--with"). | |
396 | dnl HELP is the help text to use. | |
397 | dnl If the user's choice is relative to the prefix, then the | |
398 | dnl result is relocatable, then this will define the C macro | |
399 | dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0. | |
400 | dnl DEFAULT is the default value, which is used if the user | |
401 | dnl does not specify the argument. | |
402 | AC_DEFUN([GDB_AC_WITH_DIR], [ | |
403 | AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [ | |
404 | [$1]=$withval], [[$1]=[$4]]) | |
405 | AC_DEFINE_DIR([$1], [$1], [$3]) | |
406 | AC_SUBST([$1]) | |
407 | if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then | |
408 | if test "x$prefix" = xNONE; then | |
409 | test_prefix=/usr/local | |
410 | else | |
411 | test_prefix=$prefix | |
412 | fi | |
413 | else | |
414 | test_prefix=$exec_prefix | |
415 | fi | |
416 | value=0 | |
417 | case ${ac_define_dir} in | |
418 | "${test_prefix}"|"${test_prefix}/"*|\ | |
419 | '${exec_prefix}'|'${exec_prefix}/'*) | |
420 | value=1 | |
421 | ;; | |
422 | esac | |
423 | AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.]) | |
424 | ]) |