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source: rtems/c/src/tests/aclocal.m4 @ 3cad2919

4.104.114.84.95

Last change on this file since 3cad2919 was 3a8915e, checked in by Joel Sherrill <joel.sherrill@…>, on 08/06/99 at 17:55:25
Patch rtems-rc-19990709-6-diff from Ralf Corsepius <corsepiu@…> applied. This modified many Makefiles and custom files and makes many more settings (network, multiprocessing, etc) gnerated by autoconf.
Property mode set to `100644`
File size: 23.1 KB

Line
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 $Id$
14
15	dnl
16	dnl RTEMS_TOP($1)
17	dnl
18	dnl $1 .. relative path from this configure.in to the toplevel configure.in
19	dnl
20	AC_DEFUN(RTEMS_TOP,
21	[dnl
22	AC_ARG_WITH(target-subdir,
23	[ --with-target-subdir=DIR],
24	TARGET_SUBDIR="$withval",
25	TARGET_SUBDIR=".")
26
27	RTEMS_TOPdir="$1";
28	AC_SUBST(RTEMS_TOPdir)
29
30	dnl Determine RTEMS Version string from the VERSION file
31	dnl Hopefully, Joel never changes its format ;-
32	AC_MSG_CHECKING([for RTEMS Version])
33	if test -r "${srcdir}/${RTEMS_TOPdir}/VERSION"; then
34	changequote(,)dnl
35	RTEMS_VERSION=`grep Version ${srcdir}/${RTEMS_TOPdir}/VERSION \| \
36	sed -e 's%RTEMS[ ]Version[ ]\(.\)[ ]%\1%g'`
37	changequote([,])dnl
38	else
39	AC_MSG_ERROR(Unable to find ${RTEMS_TOPdir}/VERSION)
40	fi
41	if test -z "$RTEMS_VERSION"; then
42	AC_MSG_ERROR(Unable to determine version)
43	fi
44	AC_MSG_RESULT($RTEMS_VERSION)
45	])dnl
46
47	dnl
48	dnl $Id$
49	dnl
50
51	dnl canonicalize target cpu
52	dnl NOTE: Most rtems targets do not fullfil autoconf's
53	dnl target naming conventions "processor-vendor-os"
54	dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them
55	dnl and we have to fix it for rtems ourselves
56
57	AC_DEFUN(RTEMS_CANONICAL_TARGET_CPU,
58	[
59	AC_CANONICAL_SYSTEM
60	AC_MSG_CHECKING(rtems target cpu)
61	changequote(,)dnl
62	case "${target}" in
63	# hpux unix port should go here
64	i[3456]86-go32-rtems*)
65	RTEMS_CPU=i386
66	;;
67	i[3456]86-pc-linux*) # unix "simulator" port
68	RTEMS_CPU=unix
69	;;
70	i[3456]86-freebsd2) # unix "simulator" port
71	RTEMS_CPU=unix
72	;;
73	no_cpu-rtems)
74	RTEMS_CPU=no_cpu
75	;;
76	sparc-sun-solaris*) # unix "simulator" port
77	RTEMS_CPU=unix
78	;;
79	*)
80	RTEMS_CPU=`echo $target \| sed 's%^\([^-]\)-\(.\)$%\1%'`
81	;;
82	esac
83	changequote([,])dnl
84	AC_SUBST(RTEMS_CPU)
85	AC_MSG_RESULT($RTEMS_CPU)
86	])
87
88	# Do all the work for Automake. This macro actually does too much --
89	# some checks are only needed if your package does certain things.
90	# But this isn't really a big deal.
91
92	# serial 1
93
94	dnl Usage:
95	dnl AM_INIT_AUTOMAKE(package,version, [no-define])
96
97	AC_DEFUN(AM_INIT_AUTOMAKE,
98	[AC_REQUIRE([AC_PROG_INSTALL])
99	PACKAGE=[$1]
100	AC_SUBST(PACKAGE)
101	VERSION=[$2]
102	AC_SUBST(VERSION)
103	dnl test to see if srcdir already configured
104	if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
105	AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
106	fi
107	ifelse([$3],,
108	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
109	AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
110	AC_REQUIRE([AM_SANITY_CHECK])
111	AC_REQUIRE([AC_ARG_PROGRAM])
112	dnl FIXME This is truly gross.
113	missing_dir=`cd $ac_aux_dir && pwd`
114	AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
115	AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
116	AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
117	AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
118	AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
119	AC_REQUIRE([AC_PROG_MAKE_SET])])
120
121	#
122	# Check to make sure that the build environment is sane.
123	#
124
125	AC_DEFUN(AM_SANITY_CHECK,
126	[AC_MSG_CHECKING([whether build environment is sane])
127	# Just in case
128	sleep 1
129	echo timestamp > conftestfile
130	# Do `set' in a subshell so we don't clobber the current shell's
131	# arguments. Must try -L first in case configure is actually a
132	# symlink; some systems play weird games with the mod time of symlinks
133	# (eg FreeBSD returns the mod time of the symlink's containing
134	# directory).
135	if (
136	set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
137	if test "[$]*" = "X"; then
138	# -L didn't work.
139	set X `ls -t $srcdir/configure conftestfile`
140	fi
141	if test "[$]*" != "X $srcdir/configure conftestfile" \
142	&& test "[$]*" != "X conftestfile $srcdir/configure"; then
143
144	# If neither matched, then we have a broken ls. This can happen
145	# if, for instance, CONFIG_SHELL is bash and it inherits a
146	# broken ls alias from the environment. This has actually
147	# happened. Such a system could not be considered "sane".
148	AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
149	alias in your environment])
150	fi
151
152	test "[$]2" = conftestfile
153	)
154	then
155	# Ok.
156	:
157	else
158	AC_MSG_ERROR([newly created file is older than distributed files!
159	Check your system clock])
160	fi
161	rm -f conftest*
162	AC_MSG_RESULT(yes)])
163
164	dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
165	dnl The program must properly implement --version.
166	AC_DEFUN(AM_MISSING_PROG,
167	[AC_MSG_CHECKING(for working $2)
168	# Run test in a subshell; some versions of sh will print an error if
169	# an executable is not found, even if stderr is redirected.
170	# Redirect stdin to placate older versions of autoconf. Sigh.
171	if ($2 --version) < /dev/null > /dev/null 2>&1; then
172	$1=$2
173	AC_MSG_RESULT(found)
174	else
175	$1="$3/missing $2"
176	AC_MSG_RESULT(missing)
177	fi
178	AC_SUBST($1)])
179
180	# Add --enable-maintainer-mode option to configure.
181	# From Jim Meyering
182
183	# serial 1
184
185	AC_DEFUN(AM_MAINTAINER_MODE,
186	[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
187	dnl maintainer-mode is disabled by default
188	AC_ARG_ENABLE(maintainer-mode,
189	[ --enable-maintainer-mode enable make rules and dependencies not useful
190	(and sometimes confusing) to the casual installer],
191	USE_MAINTAINER_MODE=$enableval,
192	USE_MAINTAINER_MODE=no)
193	AC_MSG_RESULT($USE_MAINTAINER_MODE)
194	AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
195	MAINT=$MAINTAINER_MODE_TRUE
196	AC_SUBST(MAINT)dnl
197	]
198	)
199
200	# Define a conditional.
201
202	AC_DEFUN(AM_CONDITIONAL,
203	[AC_SUBST($1_TRUE)
204	AC_SUBST($1_FALSE)
205	if $2; then
206	$1_TRUE=
207	$1_FALSE='#'
208	else
209	$1_TRUE='#'
210	$1_FALSE=
211	fi])
212
213	dnl $Id$
214
215	AC_DEFUN(RTEMS_ENABLE_MULTIPROCESSING,
216	[
217	AC_ARG_ENABLE(multiprocessing,
218	[ --enable-multiprocessing enable multiprocessing interface],
219	[case "${enableval}" in
220	yes) RTEMS_HAS_MULTIPROCESSING=yes ;;
221	no) RTEMS_HAS_MULTIPROCESSING=no ;;
222	*) AC_MSG_ERROR(bad value ${enableval} for enable-multiprocessing option) ;;
223	esac],[RTEMS_HAS_MULTIPROCESSING=no])
224	AC_SUBST(RTEMS_HAS_MULTIPROCESSING)dnl
225	])
226
227	dnl $Id$
228
229	AC_DEFUN(RTEMS_ENABLE_POSIX,
230	[
231	AC_ARG_ENABLE(posix,
232	[ --enable-posix enable posix interface],
233	[case "${enableval}" in
234	yes) RTEMS_HAS_POSIX_API=yes ;;
235	no) RTEMS_HAS_POSIX_API=no ;;
236	*) AC_MSG_ERROR(bad value ${enableval} for enable-posix option) ;;
237	esac],[RTEMS_HAS_POSIX_API=yes])
238	AC_SUBST(RTEMS_HAS_POSIX_API)
239
240	changequote(,)dnl
241	case "${target}" in
242	# hpux unix port should go here
243	i[3456]86-go32-rtems*)
244	RTEMS_HAS_POSIX_API=no
245	;;
246	i[3456]86-pc-linux*) # unix "simulator" port
247	RTEMS_HAS_POSIX_API=no
248	;;
249	i[3456]86-freebsd2) # unix "simulator" port
250	RTEMS_HAS_POSIX_API=no
251	;;
252	no_cpu-rtems)
253	RTEMS_HAS_POSIX_API=no
254	;;
255	sparc-sun-solaris*) # unix "simulator" port
256	RTEMS_HAS_POSIX_API=no
257	;;
258	*)
259	;;
260	esac
261	changequote([,])dnl
262	AC_SUBST(RTEMS_HAS_POSIX_API)
263	])
264
265	dnl $Id$
266
267	AC_DEFUN(RTEMS_ENABLE_NETWORKING,
268	[
269	AC_ARG_ENABLE(networking,
270	[ --enable-networking enable TCP/IP stack],
271	[case "${enableval}" in
272	yes) RTEMS_HAS_NETWORKING=yes ;;
273	no) RTEMS_HAS_NETWORKING=no ;;
274	*) AC_MSG_ERROR(bad value ${enableval} for enable-networking option) ;;
275	esac],[RTEMS_HAS_NETWORKING=yes])
276	AC_SUBST(RTEMS_HAS_NETWORKING)dnl
277	])
278
279	dnl $Id$
280
281	AC_DEFUN(RTEMS_ENABLE_INLINES,
282	[AC_ARG_ENABLE(rtems-inlines,
283	[ --enable-rtems-inlines enable RTEMS inline functions]
284	[ (default:enabled, disable to use macros)],
285	[case "${enableval}" in
286	yes) RTEMS_USE_MACROS=no ;;
287	no) RTEMS_USE_MACROS=yes ;;
288	*) AC_MSG_ERROR(bad value ${enableval} for disable-rtems-inlines option) ;;
289	esac],[RTEMS_USE_MACROS=no])
290	AC_SUBST(RTEMS_USE_MACROS)dnl
291	])
292
293	dnl $Id$
294
295	AC_DEFUN(RTEMS_ENABLE_CXX,
296	[
297	AC_ARG_ENABLE(cxx,
298	[ --enable-cxx enable C++ support,]
299	[ and build the rtems++ library],
300	[case "${enableval}" in
301	yes) RTEMS_HAS_CPLUSPLUS=yes ;;
302	no) RTEMS_HAS_CPLUSPLUS=no ;;
303	*) AC_MSG_ERROR(bad value ${enableval} for enable-cxx option) ;;
304	esac], [RTEMS_HAS_CPLUSPLUS=no])
305	])
306
307	dnl $Id$
308
309	AC_DEFUN(RTEMS_ENABLE_GCC28,
310	[
311	AC_ARG_ENABLE(gcc28,
312	[ --enable-gcc28 enable use of gcc 2.8.x features],
313	[case "${enableval}" in
314	yes) RTEMS_USE_GCC272=no ;;
315	no) RTEMS_USE_GCC272=yes ;;
316	*) AC_MSG_ERROR(bad value ${enableval} for gcc-28 option) ;;
317	esac],[RTEMS_USE_GCC272=no])
318	])
319
320	dnl $Id$
321
322	AC_DEFUN(RTEMS_ENABLE_LIBCDIR,
323	[
324	AC_ARG_ENABLE(libcdir,
325	[ --enable-libcdir=directory set the directory for the C library],
326	[ RTEMS_LIBC_DIR="${enableval}" ; \
327	test -d ${enableval} \|\| AC_MSG_ERROR("$enableval is not a directory" ) ] )
328	AC_SUBST(RTEMS_LIBC_DIR)dnl
329	])
330
331	AC_DEFUN(RTEMS_ENABLE_BARE,
332	[
333	AC_ARG_ENABLE(bare-cpu-cflags,
334	[ --enable-bare-cpu-cflags specify a particular cpu cflag]
335	[ (bare bsp specific)],
336	[case "${enableval}" in
337	no) BARE_CPU_CFLAGS="" ;;
338	*) BARE_CPU_CFLAGS="${enableval}" ;;
339	esac],
340	[BARE_CPU_CFLAGS=""])
341
342	AC_ARG_ENABLE(bare-cpu-model,
343	[ --enable-bare-cpu-model specify a particular cpu model]
344	[ (bare bsp specific)],
345	[case "${enableval}" in
346	no) BARE_CPU_MODEL="" ;;
347	*) BARE_CPU_MODEL="${enableval}" ;;
348	esac],
349	[BARE_CPU_MODEL=""])
350	])
351
352
353	dnl $Id$
354
355	AC_DEFUN(RTEMS_ENABLE_TESTS,
356	[
357	# If the tests are enabled, then find all the test suite Makefiles
358	AC_MSG_CHECKING([if the test suites are enabled? ])
359	AC_ARG_ENABLE(tests,
360	[ --enable-tests enable tests (default:disabled)],
361	[case "${enableval}" in
362	yes) tests_enabled=yes ;;
363	no) tests_enabled=no ;;
364	*) AC_MSG_ERROR(bad value ${enableval} for tests option) ;;
365	esac], [tests_enabled=no])
366	AC_MSG_RESULT([$tests_enabled])
367	])
368
369	dnl $Id$
370
371	dnl Override the set of BSPs to be built.
372	dnl used by the toplevel configure script
373	dnl RTEMS_ENABLE_RTEMSBSP(rtems_bsp_list)
374	AC_DEFUN(RTEMS_ENABLE_RTEMSBSP,
375	[
376	AC_ARG_ENABLE(rtemsbsp,
377	[ --enable-rtemsbsp=bsp1 bsp2 .. BSPs to include in build],
378	[case "${enableval}" in
379	yes\|no) AC_MSG_ERROR([missing argument to --enable-rtemsbsp=\"bsp1 bsp2\"]);;
380	*) $1=$enableval;;
381	esac],[$1=""])
382	])
383
384	dnl Pass a single BSP via an environment variable
385	dnl used by per BSP configure scripts
386	AC_DEFUN(RTEMS_ENV_RTEMSBSP,
387	[dnl
388	AC_MSG_CHECKING([for RTEMS_BSP])
389	AC_CACHE_VAL(rtems_cv_RTEMS_BSP,
390	[dnl
391	test -n "${RTEMS_BSP}" && rtems_cv_RTEMS_BSP="$RTEMS_BSP";
392	])dnl
393	if test -z "$rtems_cv_RTEMS_BSP"; then
394	AC_MSG_ERROR([Missing RTEMS_BSP])
395	fi
396	RTEMS_BSP="$rtems_cv_RTEMS_BSP"
397	AC_MSG_RESULT(${RTEMS_BSP})
398	AC_SUBST(RTEMS_BSP)
399	])
400
401	dnl $Id$
402
403	dnl check if RTEMS support a cpu
404	AC_DEFUN(RTEMS_CHECK_CPU,
405	[dnl
406	AC_REQUIRE([RTEMS_TOP])
407	AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU])
408	# Is this a supported CPU?
409	AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported])
410	if test -d "$srcdir/$RTEMS_TOPdir/c/src/exec/score/cpu/$RTEMS_CPU"; then
411	AC_MSG_RESULT(yes)
412	else
413	AC_MSG_ERROR(no)
414	fi
415	])dnl
416
417
418	dnl $Id$
419
420	AC_DEFUN(RTEMS_CANONICAL_HOST,
421	[dnl
422	AC_REQUIRE([AC_CANONICAL_HOST])
423	RTEMS_HOST=$host_os
424	changequote(,)dnl
425	case "${target}" in
426	# hpux unix port should go here
427	i[3456]86-pc-linux*) # unix "simulator" port
428	RTEMS_HOST=Linux
429	;;
430	i[3456]86-freebsd2) # unix "simulator" port
431	RTEMS_HOST=FreeBSD
432	;;
433	sparc-sun-solaris*) # unix "simulator" port
434	RTEMS_HOST=Solaris
435	;;
436	*)
437	;;
438	esac
439	changequote([,])dnl
440	AC_SUBST(RTEMS_HOST)
441	])dnl
442
443	dnl
444	dnl $Id$
445	dnl
446
447	AC_DEFUN(RTEMS_PROJECT_ROOT,
448	[dnl
449	AC_REQUIRE([RTEMS_TOP])
450	if test "$TARGET_SUBDIR" = "." ; then
451	PROJECT_ROOT=$RTEMS_TOPdir/'$(top_builddir)';
452	else
453	PROJECT_ROOT=../$RTEMS_TOPdir/'$(top_builddir)'
454	fi
455	AC_SUBST(PROJECT_ROOT)
456
457	RTEMS_ROOT=$RTEMS_TOPdir/'$(top_builddir)'/c/$RTEMS_BSP
458	AC_SUBST(RTEMS_ROOT)
459
460	INSTALL_CHANGE="\$(KSH) \$(PROJECT_ROOT)/tools/build/install-if-change"
461	AC_SUBST(INSTALL_CHANGE)
462
463	PACKHEX="\$(PROJECT_ROOT)/tools/build/packhex"
464	AC_SUBST(PACKHEX)
465	])
466
467
468	dnl
469	dnl $Id$
470	dnl
471	dnl Check for target gcc
472	dnl
473	dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
474	dnl Completely reworked
475
476	AC_DEFUN(RTEMS_PROG_CC,
477	[
478	AC_BEFORE([$0], [AC_PROG_CPP])dnl
479	AC_BEFORE([$0], [AC_PROG_CC])dnl
480	AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl
481
482	dnl Only accept gcc and cc
483	dnl NOTE: This might be too restrictive for native compilation
484	AC_PATH_PROGS(CC_FOR_TARGET, "$program_prefix"gcc "$program_prefix"cc )
485	test -z "$CC_FOR_TARGET" \
486	&& AC_MSG_ERROR([no acceptable cc found in \$PATH])
487
488	dnl backup
489	rtems_save_CC=$CC
490	rtems_save_CFLAGS=$CFLAGS
491
492	dnl temporarily set CC
493	CC=$CC_FOR_TARGET
494
495	AC_PROG_CC_WORKS
496	AC_PROG_CC_GNU
497
498	if test $ac_cv_prog_gcc = yes; then
499	GCC=yes
500	dnl Check whether -g works, even if CFLAGS is set, in case the package
501	dnl plays around with CFLAGS (such as to build both debugging and
502	dnl normal versions of a library), tasteless as that idea is.
503	ac_test_CFLAGS="${CFLAGS+set}"
504	ac_save_CFLAGS="$CFLAGS"
505	CFLAGS=
506	AC_PROG_CC_G
507	if test "$ac_test_CFLAGS" = set; then
508	CFLAGS="$ac_save_CFLAGS"
509	elif test $ac_cv_prog_cc_g = yes; then
510	CFLAGS="-g -O2"
511	else
512	CFLAGS="-O2"
513	fi
514	else
515	GCC=
516	test "${CFLAGS+set}" = set \|\| CFLAGS="-g"
517	fi
518
519	rtems_cv_prog_gcc=$ac_cv_prog_gcc
520	rtems_cv_prog_cc_g=$ac_cv_prog_cc_g
521	rtems_cv_prog_cc_works=$ac_cv_prog_cc_works
522	rtems_cv_prog_cc_cross=$ac_cv_prog_cc_cross
523
524	dnl restore initial values
525	CC=$rtems_save_CC
526	CFLAGS=$rtems_save_CFLAGS
527
528	unset ac_cv_prog_gcc
529	unset ac_cv_prog_cc_g
530	unset ac_cv_prog_cc_works
531	unset ac_cv_prog_cc_cross
532	])
533
534	AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET,
535	[
536	dnl check target cc
537	RTEMS_PROG_CC
538	dnl check if the compiler supports --specs
539	RTEMS_GCC_SPECS
540	dnl check if the target compiler may use --pipe
541	RTEMS_GCC_PIPE
542	dnl check if the compiler supports --specs if gcc28 is requested
543	if test "$RTEMS_USE_GCC272" != "yes" ; then
544	if test "$rtems_cv_gcc_specs" = "no"; then
545	AC_MSG_WARN([*** disabling --enable-gcc28])
546	RTEMS_USE_GCC272=yes
547	fi
548	fi
549	test "$rtems_cv_gcc_pipe" = "yes" && CC_FOR_TARGET="$CC_FOR_TARGET --pipe"
550
551	dnl FIXME: HACK for egcs/cygwin mixing '\\' and '/' in gcc -print-*
552	case $host_os in
553	cygwin) GCCSED="\| sed 's%\\\\%/%g'" ;;
554	*) ;;
555	esac
556	AC_SUBST(GCCSED)
557	])
558
559	dnl
560	dnl $Id$
561	dnl
562	dnl Set program_prefix
563	dnl
564	dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
565	dnl Extracted from configure
566
567	AC_DEFUN(RTEMS_TOOL_PREFIX,
568	[AC_REQUIRE([AC_CANONICAL_TARGET])dnl
569	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
570
571	changequote(,)dnl
572	if [ "${program_prefix}" = "NONE" ] ; then
573	if [ "${target}" = "${host}" ] ; then
574	program_prefix=
575	else
576	program_prefix=${target}-
577	fi
578	fi
579	changequote([,])dnl
580	])
581
582	dnl
583	dnl $Id$
584	dnl
585	dnl Check whether the target compiler accepts -specs
586	dnl
587	dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de
588	dnl
589
590	AC_DEFUN(RTEMS_GCC_SPECS,
591	[AC_REQUIRE([RTEMS_PROG_CC])
592	AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts -specs,rtems_cv_gcc_specs,
593	[
594	rtems_cv_gcc_specs=no
595	if test "$rtems_cv_prog_gcc" = "yes"; then
596	touch confspec
597	echo 'void f(){}' >conftest.c
598	if test -z "`${CC_FOR_TARGET} -specs confspec -c conftest.c 2>&1`";then
599	rtems_cv_gcc_specs=yes
600	fi
601	fi
602	rm -f confspec conftest*
603	])])
604
605	dnl
606	dnl $Id$
607	dnl
608	dnl Check whether the target compiler accepts -pipe
609	dnl
610	dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de
611	dnl
612
613	AC_DEFUN(RTEMS_GCC_PIPE,
614	[AC_REQUIRE([RTEMS_PROG_CC])
615	AC_REQUIRE([AC_CANONICAL_HOST])
616	AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe,
617	[
618	rtems_cv_gcc_pipe=no
619	if test "$rtems_cv_prog_gcc" = "yes"; then
620	case "$host_os" in
621	cygwin*)
622	;;
623	*)
624	echo 'void f(){}' >conftest.c
625	if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then
626	rtems_cv_gcc_pipe=yes
627	fi
628	rm -f conftest*
629	;;
630	esac
631	fi
632	])
633	])
634
635	dnl
636	dnl $Id$
637	dnl
638	dnl Check for target g++
639	dnl
640	dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
641	dnl Completely reworked
642
643	AC_DEFUN(RTEMS_PROG_CXX,
644	[
645	AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
646	AC_BEFORE([$0], [AC_PROG_CXX])dnl
647	AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl
648
649	dnl Only accept g++ and c++
650	dnl NOTE: This might be too restrictive for native compilation
651	AC_PATH_PROGS(CXX_FOR_TARGET, "$program_prefix"g++ "$program_prefix"c++)
652	test -z "$CXX_FOR_TARGET" \
653	&& AC_MSG_ERROR([no acceptable c++ found in \$PATH])
654
655	dnl backup
656	rtems_save_CXX=$CXX
657	rtems_save_CXXFLAGS=$CXXFLAGS
658
659	dnl temporarily set CXX
660	CXX=$CXX_FOR_TARGET
661
662	AC_PROG_CXX_WORKS
663	AC_PROG_CXX_GNU
664
665	if test $ac_cv_prog_gxx = yes; then
666	GXX=yes
667	dnl Check whether -g works, even if CXXFLAGS is set, in case the package
668	dnl plays around with CXXFLAGS (such as to build both debugging and
669	dnl normal versions of a library), tasteless as that idea is.
670	ac_test_CXXFLAGS="${CXXFLAGS+set}"
671	ac_save_CXXFLAGS="$CXXFLAGS"
672	CXXFLAGS=
673	AC_PROG_CXX_G
674	if test "$ac_test_CXXFLAGS" = set; then
675	CXXFLAGS="$ac_save_CXXFLAGS"
676	elif test $ac_cv_prog_cxx_g = yes; then
677	CXXFLAGS="-g -O2"
678	else
679	CXXFLAGS="-O2"
680	fi
681	else
682	GXX=
683	test "${CXXFLAGS+set}" = set \|\| CXXFLAGS="-g"
684	fi
685
686	rtems_cv_prog_gxx=$ac_cv_prog_gxx
687	rtems_cv_prog_cxx_g=$ac_cv_prog_cxx_g
688	rtems_cv_prog_cxx_works=$ac_cv_prog_cxx_works
689	rtems_cv_prog_cxx_cross=$ac_cv_prog_cxx_cross
690
691	CXX=$rtems_save_CXX
692	CXXFLAGS=$rtems_save_CXXFLAGS
693
694	dnl restore initial values
695	unset ac_cv_prog_gxx
696	unset ac_cv_prog_cc_g
697	unset ac_cv_prog_cxx_works
698	unset ac_cv_prog_cxx_cross
699	])
700
701	AC_DEFUN(RTEMS_PROG_CXX_FOR_TARGET,
702	[
703	RTEMS_PROG_CXX
704	if test "$rtems_cv_prog_cc_cross" != "$rtems_cv_prog_cxx_cross"; then
705	AC_MSG_ERROR([***]
706	[Inconsistency in compiler configuration:]
707	[Target C compiler and Target C++ compiler]
708	[must both either be cross compilers or native compilers]
709	[Hint: If building a posix bsp: LD_LIBRARY_PATH?] )
710	fi
711	])
712
713	dnl
714	dnl $Id$
715	dnl
716	dnl Set target tools
717	dnl
718	dnl 98/06/23 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
719	dnl fixing cache/environment variable handling
720	dnl adding checks for cygwin/egcs '\\'-bug
721	dnl adding checks for ranlib/ar -s problem
722	dnl
723	dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
724	dnl
725
726	AC_DEFUN(RTEMS_GCC_PRINT,
727	[ case $host_os in
728	cygwin)
729	dnl FIXME: Hack for cygwin/egcs reporting mixed '\\' and '/'
730	dnl Should be removed once cygwin/egcs reports '/' only
731	$1=`$CC_FOR_TARGET --print-prog-name=$2 \| sed -e 's%\\\\%/%g' `
732	;;
733	*)
734	$1=`$CC_FOR_TARGET --print-prog-name=$2`
735	;;
736	esac
737	])
738
739	AC_DEFUN(RTEMS_PATH_TOOL,
740	[
741	AC_MSG_CHECKING([target's $2])
742	AC_CACHE_VAL(ac_cv_path_$1,:)
743	AC_MSG_RESULT([$ac_cv_path_$1])
744
745	if test -n "$ac_cv_path_$1"; then
746	dnl retrieve the value from the cache
747	$1=$ac_cv_path_$1
748	else
749	dnl the cache was not set
750	if test -z "[$]$1" ; then
751	if test "$rtems_cv_prog_gcc" = "yes"; then
752	# We are using gcc, ask it about its tool
753	# NOTE: Necessary if gcc was configured to use the target's
754	# native tools or uses prefixes for gnutools (e.g. gas instead of as)
755	RTEMS_GCC_PRINT($1,$2)
756	fi
757	else
758	# The user set an environment variable.
759	# Check whether it is an absolute path, otherwise AC_PATH_PROG
760	# will override the environment variable, which isn't what the user
761	# intends
762	AC_MSG_CHECKING([whether environment variable $1 is an absolute path])
763	case "[$]$1" in
764	/*) # valid
765	AC_MSG_RESULT("yes")
766	;;
767	*) # invalid for AC_PATH_PROG
768	AC_MSG_RESULT("no")
769	AC_MSG_ERROR([***]
770	[Environment variable $1 should either]
771	[be unset (preferred) or contain an absolute path])
772	;;
773	esac
774	fi
775
776	AC_PATH_PROG($1,"$program_prefix"$2,$3)
777	fi
778	])
779
780	AC_DEFUN(RTEMS_CANONICALIZE_TOOLS,
781	[AC_REQUIRE([RTEMS_PROG_CC])dnl
782
783	dnl FIXME: What shall be done if these tools are not available?
784	RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no)
785	RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no)
786	RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no)
787	RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no)
788
789	dnl special treatment of ranlib
790	RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no)
791	if test "$RANLIB_FOR_TARGET" = "no"; then
792	# ranlib wasn't found; check if ar -s is available
793	RTEMS_AR_FOR_TARGET_S
794	if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then
795	dnl override RANLIB_FOR_TARGET's cache
796	ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s"
797	RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET
798	else
799	AC_MSG_ERROR([***]
800	[Can't figure out how to build a library index]
801	[Neither ranlib nor ar -s seem to be available] )
802	fi
803	fi
804
805	dnl NOTE: These may not be available if not using gnutools
806	RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no)
807	RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no)
808	RTEMS_PATH_TOOL(STRIP_FOR_TARGET,strip,no)
809	])
810
811	dnl
812	dnl $Id$
813	dnl
814
815	AC_DEFUN(RTEMS_AR_FOR_TARGET_S,
816	[
817	AC_CACHE_CHECK(whether $AR_FOR_TARGET -s works,
818	rtems_cv_AR_FOR_TARGET_S,
819	[
820	cat > conftest.$ac_ext <<EOF
821	int foo( int b )
822	{ return b; }
823	EOF
824	if AC_TRY_COMMAND($CC_FOR_TARGET -o conftest.o -c conftest.$ac_ext) \
825	&& AC_TRY_COMMAND($AR_FOR_TARGET -sr conftest.a conftest.o) \
826	&& test -s conftest.a ; \
827	then
828	rtems_cv_AR_FOR_TARGET_S="yes"
829	else
830	rtems_cv_AR_FOR_TARGET_S="no"
831	fi
832	rm -f conftest*
833	])
834	])
835
836
837	dnl $Id$
838
839	dnl Report all available bsps for a target,
840	dnl check if a bsp-subdirectory is present for all bsps found
841	dnl
842	dnl RTEMS_CHECK_BSPS(bsp_list)
843	AC_DEFUN(RTEMS_CHECK_BSPS,
844	[
845	AC_REQUIRE([RTEMS_CHECK_CPU])dnl sets RTEMS_CPU, target
846	AC_REQUIRE([RTEMS_TOP])dnl sets RTEMS_TOPdir
847	AC_MSG_CHECKING([for bsps])
848	case "${target}" in
849	changequote(,)dnl
850	i[3456]86-go32-rtems*)
851	changequote([,])dnl
852	$1="go32 go32_p5"
853	;;
854	*)
855	files=`ls $srcdir/$RTEMS_TOPdir/c/src/lib/libbsp/$RTEMS_CPU`
856	for file in $files; do
857	case $file in
858	shared*);;
859	Makefile*);;
860	READ*);;
861	CVS*);;
862	pxfl*);;
863	go32*);; # so the i386 port can pick up the other Makefiles
864	# Now account for BSPs with build variants
865	gen68360) rtems_bsp="$rtems_bsp gen68360 gen68360_040";;
866	p4000) rtems_bsp="$rtems_bsp p4600 p4650";;
867	mvme162) rtems_bsp="$rtems_bsp mvme162 mvme162lx";;
868	*) $1="[$]$1 $file";;
869	esac;
870	done
871	;;
872	esac
873	AC_MSG_RESULT([[$]$1 .. done])
874	])dnl
875
876	AC_DEFUN(RTEMS_CHECK_CUSTOM_BSP,
877	[dnl
878	AC_MSG_CHECKING([for make/custom/[$]$1.cfg])
879	if test -r "$srcdir/$RTEMS_TOPdir/make/custom/[$]$1.cfg"; then
880	AC_MSG_RESULT([yes])
881	else
882	AC_MSG_ERROR([no])
883	fi
884	])dnl
885
886	dnl
887	dnl $Id$
888	dnl
889
890	AC_DEFUN(RTEMS_CHECK_MULTIPROCESSING,
891	[dnl
892	AC_REQUIRE([RTEMS_TOP])dnl
893	AC_REQUIRE([RTEMS_CHECK_CPU])dnl
894	AC_CACHE_CHECK([whether BSP supports multiprocessing],
895	rtems_cv_HAS_MP,
896	[dnl
897	if test -d "$srcdir/${RTEMS_TOPdir}/c/src/lib/libbsp/${RTEMS_CPU}/${$1}/shmsupp"; then
898	if test "$RTEMS_HAS_MULTIPROCESSING" = "yes"; then
899	rtems_cv_HAS_MP="yes" ;
900	else
901	rtems_cv_HAS_MP="disabled";
902	fi
903	else
904	rtems_cv_HAS_MP="no";
905	fi])
906	if test "$rtems_cv_HAS_MP" = "yes"; then
907	HAS_MP="yes"
908	else
909	HAS_MP="no"
910	fi
911	AC_SUBST(HAS_MP)
912	])
913
914	dnl $Id$
915	dnl
916	AC_DEFUN(RTEMS_CHECK_POSIX_API,
917	[dnl
918	AC_REQUIRE([RTEMS_CHECK_CPU])dnl
919	AC_CACHE_CHECK([whether BSP supports libposix],
920	rtems_cv_HAS_POSIX_API,
921	[dnl
922	case "$RTEMS_CPU" in
923	unix*)
924	rtems_cv_HAS_POSIX_API="no"
925	;;
926	*)
927	if test "${RTEMS_HAS_POSIX_API}" = "yes"; then
928	rtems_cv_HAS_POSIX_API="yes";
929	else
930	rtems_cv_HAS_POSIX_API="disabled";
931	fi
932	;;
933	esac])
934	if test "$rtems_cv_HAS_POSIX_API" = "yes"; then
935	HAS_POSIX_API="yes";
936	else
937	HAS_POSIX_API="no";
938	fi
939	AC_SUBST(HAS_POSIX_API)dnl
940	])
941

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