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comparison host/aclocal.m4 @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children a9ac27ec7abc
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75:41bf073c0c32 76:435cced73e2f
1 dnl aclocal.m4 generated automatically by aclocal 1.4
2
3 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
7
8 dnl This program is distributed in the hope that it will be useful,
9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11 dnl PARTICULAR PURPOSE.
12
13 dnl Process this file with aclocal to get an aclocal.m4 file. Then
14 dnl process that with autoconf.
15 dnl ====================================================================
16 dnl
17 dnl acinclude.m4
18 dnl
19 dnl Various autoconf macros that are shared between different
20 dnl eCos packages.
21 dnl
22 dnl ====================================================================
23 dnl####COPYRIGHTBEGIN####
24 dnl
25 dnl ----------------------------------------------------------------------------
26 dnl Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
27 dnl
28 dnl This file is part of the eCos host tools.
29 dnl
30 dnl This program is free software; you can redistribute it and/or modify it
31 dnl under the terms of the GNU General Public License as published by the Free
32 dnl Software Foundation; either version 2 of the License, or (at your option)
33 dnl any later version.
34 dnl
35 dnl This program is distributed in the hope that it will be useful, but WITHOUT
36 dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
37 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
38 dnl more details.
39 dnl
40 dnl You should have received a copy of the GNU General Public License along with
41 dnl this program; if not, write to the Free Software Foundation, Inc.,
42 dnl 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
43 dnl
44 dnl ----------------------------------------------------------------------------
45 dnl
46 dnl####COPYRIGHTEND####
47 dnl ====================================================================
48 dnl#####DESCRIPTIONBEGIN####
49 dnl
50 dnl Author(s): bartv
51 dnl Contact(s): bartv
52 dnl Date: 1998/12/16
53 dnl Version: 0.01
54 dnl
55 dnl####DESCRIPTIONEND####
56 dnl ====================================================================
57
58 dnl ====================================================================
59 dnl The AM_INIT_AUTOMAKE() will define a symbol VERSION for the
60 dnl package's version number. Unfortunately this symbol is rather
61 dnl hard to share if several different packages are involved, so this
62 dnl macro is used to define an alternative symbol
63
64 AC_DEFUN(CYG_AC_SUBST_VERSION,[
65 AC_REQUIRE([AM_INIT_AUTOMAKE])
66 ifelse($#,1,,AC_MSG_ERROR([Invalid number of arguments passed to CYG AC_SUBST_VERSION]))
67 AC_DEFINE_UNQUOTED($1, "$VERSION")
68 ])
69
70 dnl ====================================================================
71 dnl Provide support for an automake conditional MSVC. Also set a
72 dnl variable MSVC to true or false, which may help other tests.
73
74 AC_DEFUN(CYG_AC_PROG_MSVC,[
75 AC_REQUIRE([AC_PROG_CC])
76 AC_REQUIRE([AC_PROG_CXX])
77
78 AC_MSG_CHECKING("for Visual C++")
79 MSVC="no";
80 if test "${CC}" = "cl" ; then
81 MSVC="yes"
82 fi
83 if test "${CXX}" = "cl" ; then
84 MSVC="yes"
85 fi
86 AM_CONDITIONAL(MSVC, test "${MSVC}" = "yes")
87 AC_MSG_RESULT(${MSVC})
88 ])
89
90 dnl ====================================================================
91 dnl Set up sensible flags for the various different compilers. This
92 dnl is achieved by redefining CC and CXX.
93 dnl
94 dnl A better way of doing this sort of thing would be to detect
95 dnl arguments to add and remove to the set of compiler flags, and
96 dnl then update CFLAGS and CXXFLAGS (or even better, the AM
97 dnl versions of those flags?)
98 dnl
99 dnl There is no point in checking the cache, this macro does
100 dnl not do any feature tests.
101 dnl
102 dnl The VC++ variant might benefit from -Za, but the header files
103 dnl shipped with the compiler are incompatible with this option.
104
105 AC_DEFUN(CYG_AC_PROG_STANDARD_COMPILER_FLAGS, [
106 AC_REQUIRE([AC_PROG_CC])
107 AC_REQUIRE([AC_PROG_CXX])
108 AC_REQUIRE([CYG_AC_PROG_MSVC])
109
110 AC_MSG_CHECKING("the default compiler flags")
111
112 dnl Add a user-settable flag to control whether or debugging info is
113 dnl incorporated at compile-time.
114 dnl
115 dnl NOTE: there may also have to be a flag to control whether or
116 dnl the VC++ multi-threading flags are enabled.
117 cygflags_enable_debug="no"
118 AC_ARG_ENABLE(debug,[ --enable-debug do a debug rather than a release build],
119 [case "${enableval}" in
120 yes) cygflags_enable_debug="yes" ;;
121 *) cygflags_enable_debug="no" ;;
122 esac])
123
124 dnl For VC++ builds also provide a flag for ANSI vs. unicode builds.
125 dnl For now this does not actually affect the compiler flags.
126 cygflags_enable_ansi="no"
127 if test "${MSVC}" = "yes" ; then
128 AC_ARG_ENABLE(ansi,[ --enable-ansi Do an ANSI rather than a unicode build],
129 [case "${enableval}" in
130 yes) cygflags_enable_ansi="yes" ;;
131 *) cygflags_enable_ansi="no" ;;
132 esac])
133 fi
134
135 if test "${GCC}" = "yes" ; then
136 CC="$CC -Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs"
137 CXX="$CXX -Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Woverloaded-virtual"
138 elif test "${MSVC}" = "yes" ; then
139 CC="$CC -nologo -W3"
140 CXX="$CXX -nologo -W3 -GR -GX"
141 if test "${cygflags_enable_debug}" = "yes" ; then
142 CC="$CC -MDd -Zi"
143 CXX="$CXX -MDd -Zi"
144 else
145 CC="$CC -MD -O2"
146 CXX="$CXX -MD -O2"
147 fi
148 else
149 AC_MSG_ERROR("default flags for ${CC} are not known")
150 fi
151 AC_MSG_RESULT(done)
152 ])
153
154 dnl --------------------------------------------------------------------
155 dnl User-settable options for assertions and tracing.
156 dnl
157 dnl The settable options are:
158 dnl --disable-asserts
159 dnl --disable-preconditions
160 dnl --disable-postconditions
161 dnl --disable-invariants
162 dnl --disable-loopinvariants
163 dnl --disable-tracing
164 dnl --disable-fntracing
165
166 AC_DEFUN(CYG_AC_ARG_INFRASTRUCTURE, [
167
168 AC_REQUIRE([CYG_AC_PROG_STANDARD_COMPILER_FLAGS])
169
170 if test "${cygflags_enable_debug}" = "yes" ; then
171 cyginfra_asserts=yes
172 cyginfra_preconditions=yes
173 cyginfra_postconditions=yes
174 cyginfra_invariants=yes
175 cyginfra_loopinvariants=yes
176 cyginfra_tracing=yes
177 cyginfra_fntracing=yes
178 else
179 cyginfra_asserts=no
180 cyginfra_preconditions=no
181 cyginfra_postconditions=no
182 cyginfra_invariants=no
183 cyginfra_loopinvariants=no
184 cyginfra_tracing=no
185 cyginfra_fntracing=no
186 fi
187
188 AC_ARG_ENABLE(asserts,[ --disable-asserts disable all assertions],
189 [case "${enableval}" in
190 yes) cyginfra_asserts=yes ;;
191 no) cyginfra_asserts=no ;;
192 *) AC_MSG_ERROR([bad value ${enableval} for disable-asserts option]) ;;
193 esac])
194 if test "${cyginfra_asserts}" = "yes"; then
195 AC_DEFINE(CYGDBG_USE_ASSERTS)
196 fi
197
198 AC_ARG_ENABLE(preconditions, [ --disable-preconditions disable a subset of the assertions],
199 [case "${enableval}" in
200 yes) cyginfra_preconditions=yes ;;
201 no) cyginfra_preconditions=no ;;
202 *) AC_MSG_ERROR([bad value ${enableval} for disable-preconditions option]) ;;
203 esac])
204 if test "${cyginfra_preconditions}" = "yes"; then
205 AC_DEFINE(CYGDBG_INFRA_DEBUG_PRECONDITIONS)
206 fi
207
208 AC_ARG_ENABLE(postconditions, [ --disable-postconditions disable a subset of the assertions],
209 [case "${enableval}" in
210 yes) cyginfra_postconditions=yes ;;
211 no) cyginfra_postconditions=no ;;
212 *) AC_MSG_ERROR([bad value ${enableval} for disable-postconditions option]) ;;
213 esac])
214 if test "${cyginfra_postconditions}" = "yes"; then
215 AC_DEFINE(CYGDBG_INFRA_DEBUG_POSTCONDITIONS)
216 fi
217
218 AC_ARG_ENABLE(invariants, [ --disable-invariants disable a subset of the assertions],
219 [case "${enableval}" in
220 yes) cyginfra_invariants=yes ;;
221 no) cyginfra_invariants=no ;;
222 *) AC_MSG_ERROR([bad value ${enableval} for disable-invariants option]) ;;
223 esac])
224 if test "${cyginfra_invariants}" = "yes"; then
225 AC_DEFINE(CYGDBG_INFRA_DEBUG_INVARIANTS)
226 fi
227
228 AC_ARG_ENABLE(loopinvariants, [ --disable-loopinvariants disable a subset of the assertions],
229 [case "${enableval}" in
230 yes) cyginfra_loopinvariants=yes ;;
231 no) cyginfra_loopinvariants=no ;;
232 *) AC_MSG_ERROR([bad value ${enableval} for disable-loopinvariants option]) ;;
233 esac])
234 if test "${cyginfra_loopinvariants}" = "yes"; then
235 AC_DEFINE(CYGDBG_INFRA_DEBUG_LOOP_INVARIANTS)
236 fi
237
238 AC_ARG_ENABLE(tracing,[ --disable-tracing disable tracing],
239 [case "${enableval}" in
240 yes) cyginfra_tracing=yes ;;
241 no) cyginfra_tracing=no ;;
242 *) AC_MSG_ERROR([bad value ${enableval} for disable-tracing option]) ;;
243 esac])
244 if test "${cyginfra_tracing}" = "yes"; then
245 AC_DEFINE(CYGDBG_USE_TRACING)
246 fi
247
248 AC_ARG_ENABLE(fntracing,[ --disable-fntracing disable function entry/exit tracing],
249 [case "${enableval}" in
250 yes) cyginfra_fntracing=yes ;;
251 no) cyginfra_fntracing=no ;;
252 *) AC_MSG_ERROR([bad value ${enableval} for disable-fntracing option]) ;;
253 esac])
254 if test "${cyginfra_fntracing}" = "yes"; then
255 AC_DEFINE(CYGDBG_INFRA_DEBUG_FUNCTION_REPORTS)
256 fi
257
258 ])
259
260 dnl --------------------------------------------------------------------
261 dnl Convert a cygwin pathname to something acceptable to VC++ (but
262 dnl still invoked from bash and cygwin's make). This means using
263 dnl the cygpath utility and then translating any backslashes into
264 dnl forward slashes to avoid confusing make.
265
266 AC_DEFUN(CYG_AC_MSVC_PATH, [
267 AC_REQUIRE([CYG_AC_PROG_MSVC])
268 ifelse($#, 1, , AC_MSG_ERROR("Invalid number of arguments passed to CYG AC_MSVC_PATH"))
269
270 if test "${MSVC}" = "yes" ; then
271 $1=`cygpath -w ${$1} | tr \\\\\\\\ /`
272 fi
273 ])
274
275
276 dnl --------------------------------------------------------------------
277 dnl Work out details of the Tcl installation that should be used.
278 dnl This adds two command-line options, --with-tcl=<prefix> to
279 dnl specify the Tcl install directory, and --with-tcl-version=<vsn>
280 dnl to control which version of Tcl should be used.
281 dnl
282 dnl On Unix systems and under cygwin there should be a file
283 dnl $(tcl_prefix)/lib/tclConfig.sh containing all the information
284 dnl needed for Tcl. This file are consulted and the appropriate
285 dnl variables extracted.
286 dnl
287 dnl To confuse matters, subtly different naming conventions are used
288 dnl under Unix and NT. Under Unix the Tcl library will be called
289 dnl libtcl8.0.a, libtcl8.1.a, etc. with a dot between the major and
290 dnl minor version. Under NT (including cygwin) the library will be
291 dnl called tcl80.lib, dnl tcl81.lib, libtcl80.a, libtcl81.a, etc.
292 dnl without a dot.
293 dnl
294 dnl The macro should really assume that it is running inside devo,
295 dnl with tcl and tcl8.1 directories present and already configured.
296 dnl This is tricky for a number of reasons, including confusion about
297 dnl the meaning of top_srcdir.
298 dnl
299 dnl This macro defines four new shell variables which will be
300 dnl substituted (typically into Makefile.in):
301 dnl
302 dnl cyg_ac_tcl_version - the version of Tcl that is to be used
303 dnl cyg_ac_tcl_incdir - location of <tcl.h> etc al
304 dnl cyg_ac_tcl_libdir - location of libtcl.a/tcl.lib etc.
305 dnl cyg_ac_tcl_libs - all of the libraries that are needed for Tcl
306
307 AC_DEFUN(CYG_AC_PATH_TCL, [
308
309 AC_REQUIRE([CYG_AC_PROG_MSVC])
310 AC_REQUIRE([AC_CYGWIN])
311
312 dnl Look for the version of Tcl. If none is specified, default to
313 dnl 8.0 under VC++ and cygwin, nothing under Unix. A version has to be
314 dnl specified under NT because there is no symbolic link from libtcl.a
315 dnl to whatever happens to be the most recent installed version.
316
317 AC_MSG_CHECKING(for Tcl version)
318 AC_ARG_WITH(tcl-version,[ --with-tcl-version=<vsn> version of Tcl to be used],[
319 cyg_ac_tcl_version=${with_tcl_version}
320 ],[
321 if test "${MSVC}" = "yes" ; then
322 cyg_ac_tcl_version=80
323 else
324 if test "${ac_cv_cygwin}" = "yes" ; then
325 cyg_ac_tcl_version=80
326 else
327 cyg_ac_tcl_version=""
328 fi
329 fi
330 ])
331 AC_MSG_RESULT(${cyg_ac_tcl_version})
332 AC_SUBST(cyg_ac_tcl_version)
333
334 dnl Where is the Tcl installation? By default assume Tcl is already
335 dnl installed in the same place as the eCos host-side.
336 AC_MSG_CHECKING(for Tcl installation)
337 AC_ARG_WITH(tcl,[ --with-tcl=<path> location of Tcl header and libraries],[
338 cyg_ac_tcl_incdir=${with_tcl}/include
339 cyg_ac_tcl_libdir=${with_tcl}/lib
340 ],[
341 cyg_ac_tcl_incdir=${prefix}/include
342 cyg_ac_tcl_libdir=${prefix}/lib
343 ])
344 AC_MSG_RESULT(${cyg_ac_tcl_libdir})
345
346 dnl Sanity check, make sure that there is a tcl.h header file.
347 dnl If not then there is no point in proceeding.
348 if test \! -r ${cyg_ac_tcl_incdir}/tcl.h ; then
349 AC_MSG_ERROR(unable to locate Tcl header file tcl.h)
350 fi
351
352 dnl If using VC++ then there is no tclConfig.sh file, so the
353 dnl library information has to be hard-wired. Otherwise ther
354 dnl should be a tclConfig.sh file containing the necessary information.
355 if test "${MSVC}" = "yes" ; then
356 cyg_ac_tcl_libs="tcl${cyg_ac_tcl_version}.lib"
357 CYG_AC_MSVC_PATH(cyg_ac_tcl_incdir)
358 CYG_AC_MSVC_PATH(cyg_ac_tcl_libdir)
359 else
360 if test \! -r ${cyg_ac_tcl_libdir}/tclConfig.sh ; then
361 AC_MSG_ERROR(unable to locate Tcl config file tclConfig.sh)
362 else
363 . ${cyg_ac_tcl_libdir}/tclConfig.sh
364 cyg_ac_tcl_libs="-ltcl${cyg_ac_tcl_version} ${TCL_LIBS}"
365 fi
366 fi
367
368 AC_SUBST(cyg_ac_tcl_incdir)
369 AC_SUBST(cyg_ac_tcl_libdir)
370 AC_SUBST(cyg_ac_tcl_libs)
371 AC_SUBST(cyg_ac_tk_libs)
372 ])
373
374
375
376
377 # Do all the work for Automake. This macro actually does too much --
378 # some checks are only needed if your package does certain things.
379 # But this isn't really a big deal.
380
381 # serial 1
382
383 dnl Usage:
384 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
385
386 AC_DEFUN(AM_INIT_AUTOMAKE,
387 [AC_REQUIRE([AC_PROG_INSTALL])
388 PACKAGE=[$1]
389 AC_SUBST(PACKAGE)
390 VERSION=[$2]
391 AC_SUBST(VERSION)
392 dnl test to see if srcdir already configured
393 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
394 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
395 fi
396 ifelse([$3],,
397 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
398 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
399 AC_REQUIRE([AM_SANITY_CHECK])
400 AC_REQUIRE([AC_ARG_PROGRAM])
401 dnl FIXME This is truly gross.
402 missing_dir=`cd $ac_aux_dir && pwd`
403 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
404 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
405 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
406 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
407 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
408 AC_REQUIRE([AC_PROG_MAKE_SET])])
409
410 #
411 # Check to make sure that the build environment is sane.
412 #
413
414 AC_DEFUN(AM_SANITY_CHECK,
415 [AC_MSG_CHECKING([whether build environment is sane])
416 # Just in case
417 sleep 1
418 echo timestamp > conftestfile
419 # Do `set' in a subshell so we don't clobber the current shell's
420 # arguments. Must try -L first in case configure is actually a
421 # symlink; some systems play weird games with the mod time of symlinks
422 # (eg FreeBSD returns the mod time of the symlink's containing
423 # directory).
424 if (
425 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
426 if test "[$]*" = "X"; then
427 # -L didn't work.
428 set X `ls -t $srcdir/configure conftestfile`
429 fi
430 if test "[$]*" != "X $srcdir/configure conftestfile" \
431 && test "[$]*" != "X conftestfile $srcdir/configure"; then
432
433 # If neither matched, then we have a broken ls. This can happen
434 # if, for instance, CONFIG_SHELL is bash and it inherits a
435 # broken ls alias from the environment. This has actually
436 # happened. Such a system could not be considered "sane".
437 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
438 alias in your environment])
439 fi
440
441 test "[$]2" = conftestfile
442 )
443 then
444 # Ok.
445 :
446 else
447 AC_MSG_ERROR([newly created file is older than distributed files!
448 Check your system clock])
449 fi
450 rm -f conftest*
451 AC_MSG_RESULT(yes)])
452
453 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
454 dnl The program must properly implement --version.
455 AC_DEFUN(AM_MISSING_PROG,
456 [AC_MSG_CHECKING(for working $2)
457 # Run test in a subshell; some versions of sh will print an error if
458 # an executable is not found, even if stderr is redirected.
459 # Redirect stdin to placate older versions of autoconf. Sigh.
460 if ($2 --version) < /dev/null > /dev/null 2>&1; then
461 $1=$2
462 AC_MSG_RESULT(found)
463 else
464 $1="$3/missing $2"
465 AC_MSG_RESULT(missing)
466 fi
467 AC_SUBST($1)])
468
469 # Define a conditional.
470
471 AC_DEFUN(AM_CONDITIONAL,
472 [AC_SUBST($1_TRUE)
473 AC_SUBST($1_FALSE)
474 if $2; then
475 $1_TRUE=
476 $1_FALSE='#'
477 else
478 $1_TRUE='#'
479 $1_FALSE=
480 fi])
481
482 # Add --enable-maintainer-mode option to configure.
483 # From Jim Meyering
484
485 # serial 1
486
487 AC_DEFUN(AM_MAINTAINER_MODE,
488 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
489 dnl maintainer-mode is disabled by default
490 AC_ARG_ENABLE(maintainer-mode,
491 [ --enable-maintainer-mode enable make rules and dependencies not useful
492 (and sometimes confusing) to the casual installer],
493 USE_MAINTAINER_MODE=$enableval,
494 USE_MAINTAINER_MODE=no)
495 AC_MSG_RESULT($USE_MAINTAINER_MODE)
496 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
497 MAINT=$MAINTAINER_MODE_TRUE
498 AC_SUBST(MAINT)dnl
499 ]
500 )
501