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source: rtems/c/src/lib/aclocal.m4 @ e1929ce

4.104.114.84.95

Last change on this file since e1929ce 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: 24.7 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	# Add --enable-maintainer-mode option to configure.
89	# From Jim Meyering
90
91	# serial 1
92
93	AC_DEFUN(AM_MAINTAINER_MODE,
94	[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
95	dnl maintainer-mode is disabled by default
96	AC_ARG_ENABLE(maintainer-mode,
97	[ --enable-maintainer-mode enable make rules and dependencies not useful
98	(and sometimes confusing) to the casual installer],
99	USE_MAINTAINER_MODE=$enableval,
100	USE_MAINTAINER_MODE=no)
101	AC_MSG_RESULT($USE_MAINTAINER_MODE)
102	AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
103	MAINT=$MAINTAINER_MODE_TRUE
104	AC_SUBST(MAINT)dnl
105	]
106	)
107
108	# Define a conditional.
109
110	AC_DEFUN(AM_CONDITIONAL,
111	[AC_SUBST($1_TRUE)
112	AC_SUBST($1_FALSE)
113	if $2; then
114	$1_TRUE=
115	$1_FALSE='#'
116	else
117	$1_TRUE='#'
118	$1_FALSE=
119	fi])
120
121	dnl $Id$
122
123	AC_DEFUN(RTEMS_ENABLE_MULTIPROCESSING,
124	[
125	AC_ARG_ENABLE(multiprocessing,
126	[ --enable-multiprocessing enable multiprocessing interface],
127	[case "${enableval}" in
128	yes) RTEMS_HAS_MULTIPROCESSING=yes ;;
129	no) RTEMS_HAS_MULTIPROCESSING=no ;;
130	*) AC_MSG_ERROR(bad value ${enableval} for enable-multiprocessing option) ;;
131	esac],[RTEMS_HAS_MULTIPROCESSING=no])
132	AC_SUBST(RTEMS_HAS_MULTIPROCESSING)dnl
133	])
134
135	dnl $Id$
136
137	AC_DEFUN(RTEMS_ENABLE_NETWORKING,
138	[
139	AC_ARG_ENABLE(networking,
140	[ --enable-networking enable TCP/IP stack],
141	[case "${enableval}" in
142	yes) RTEMS_HAS_NETWORKING=yes ;;
143	no) RTEMS_HAS_NETWORKING=no ;;
144	*) AC_MSG_ERROR(bad value ${enableval} for enable-networking option) ;;
145	esac],[RTEMS_HAS_NETWORKING=yes])
146	AC_SUBST(RTEMS_HAS_NETWORKING)dnl
147	])
148
149	dnl $Id$
150
151	AC_DEFUN(RTEMS_ENABLE_RDBG,
152	[
153	AC_ARG_ENABLE(rdbg,
154	[ --enable-rdbg enable remote debugger],
155	[case "${enableval}" in
156	yes) RTEMS_HAS_RDBG=yes ;;
157	no) RTEMS_HAS_RDBG=no ;;
158	*) AC_MSG_ERROR(bad value ${enableval} for enable-rdbg option) ;;
159	esac],[RTEMS_HAS_RDBG=no])
160	AC_SUBST(RTEMS_HAS_RDBG)dnl
161	])
162
163	dnl $Id$
164
165	AC_DEFUN(RTEMS_ENABLE_CXX,
166	[
167	AC_ARG_ENABLE(cxx,
168	[ --enable-cxx enable C++ support,]
169	[ and build the rtems++ library],
170	[case "${enableval}" in
171	yes) RTEMS_HAS_CPLUSPLUS=yes ;;
172	no) RTEMS_HAS_CPLUSPLUS=no ;;
173	*) AC_MSG_ERROR(bad value ${enableval} for enable-cxx option) ;;
174	esac], [RTEMS_HAS_CPLUSPLUS=no])
175	])
176
177	dnl $Id$
178
179	AC_DEFUN(RTEMS_ENABLE_GCC28,
180	[
181	AC_ARG_ENABLE(gcc28,
182	[ --enable-gcc28 enable use of gcc 2.8.x features],
183	[case "${enableval}" in
184	yes) RTEMS_USE_GCC272=no ;;
185	no) RTEMS_USE_GCC272=yes ;;
186	*) AC_MSG_ERROR(bad value ${enableval} for gcc-28 option) ;;
187	esac],[RTEMS_USE_GCC272=no])
188	])
189
190	dnl $Id$
191
192	AC_DEFUN(RTEMS_ENABLE_LIBCDIR,
193	[
194	AC_ARG_ENABLE(libcdir,
195	[ --enable-libcdir=directory set the directory for the C library],
196	[ RTEMS_LIBC_DIR="${enableval}" ; \
197	test -d ${enableval} \|\| AC_MSG_ERROR("$enableval is not a directory" ) ] )
198	AC_SUBST(RTEMS_LIBC_DIR)dnl
199	])
200
201	AC_DEFUN(RTEMS_ENABLE_BARE,
202	[
203	AC_ARG_ENABLE(bare-cpu-cflags,
204	[ --enable-bare-cpu-cflags specify a particular cpu cflag]
205	[ (bare bsp specific)],
206	[case "${enableval}" in
207	no) BARE_CPU_CFLAGS="" ;;
208	*) BARE_CPU_CFLAGS="${enableval}" ;;
209	esac],
210	[BARE_CPU_CFLAGS=""])
211
212	AC_ARG_ENABLE(bare-cpu-model,
213	[ --enable-bare-cpu-model specify a particular cpu model]
214	[ (bare bsp specific)],
215	[case "${enableval}" in
216	no) BARE_CPU_MODEL="" ;;
217	*) BARE_CPU_MODEL="${enableval}" ;;
218	esac],
219	[BARE_CPU_MODEL=""])
220	])
221
222
223	dnl $Id$
224	dnl
225	dnl FIXME: this needs to be reworked
226
227	AC_DEFUN(RTEMS_ENABLE_HWAPI,
228	[dnl
229	AC_ARG_ENABLE(hwapi, \
230	[ --enable-hwapi enable hardware API library],
231	[case "${enableval}" in
232	yes) RTEMS_HAS_HWAPI=yes ;;
233	no) RTEMS_HAS_HWAPI=no ;;
234	*) AC_MSG_ERROR(bad value ${enableval} for hwapi option) ;;
235	esac],[RTEMS_HAS_HWAPI=no])
236	AC_SUBST(RTEMS_HAS_HWAPI)dnl
237	])dnl
238
239	dnl $Id$
240
241	dnl Override the set of BSPs to be built.
242	dnl used by the toplevel configure script
243	dnl RTEMS_ENABLE_RTEMSBSP(rtems_bsp_list)
244	AC_DEFUN(RTEMS_ENABLE_RTEMSBSP,
245	[
246	AC_ARG_ENABLE(rtemsbsp,
247	[ --enable-rtemsbsp=bsp1 bsp2 .. BSPs to include in build],
248	[case "${enableval}" in
249	yes\|no) AC_MSG_ERROR([missing argument to --enable-rtemsbsp=\"bsp1 bsp2\"]);;
250	*) $1=$enableval;;
251	esac],[$1=""])
252	])
253
254	dnl Pass a single BSP via an environment variable
255	dnl used by per BSP configure scripts
256	AC_DEFUN(RTEMS_ENV_RTEMSBSP,
257	[dnl
258	AC_MSG_CHECKING([for RTEMS_BSP])
259	AC_CACHE_VAL(rtems_cv_RTEMS_BSP,
260	[dnl
261	test -n "${RTEMS_BSP}" && rtems_cv_RTEMS_BSP="$RTEMS_BSP";
262	])dnl
263	if test -z "$rtems_cv_RTEMS_BSP"; then
264	AC_MSG_ERROR([Missing RTEMS_BSP])
265	fi
266	RTEMS_BSP="$rtems_cv_RTEMS_BSP"
267	AC_MSG_RESULT(${RTEMS_BSP})
268	AC_SUBST(RTEMS_BSP)
269	])
270
271	dnl $Id$
272
273	dnl check if RTEMS support a cpu
274	AC_DEFUN(RTEMS_CHECK_CPU,
275	[dnl
276	AC_REQUIRE([RTEMS_TOP])
277	AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU])
278	# Is this a supported CPU?
279	AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported])
280	if test -d "$srcdir/$RTEMS_TOPdir/c/src/exec/score/cpu/$RTEMS_CPU"; then
281	AC_MSG_RESULT(yes)
282	else
283	AC_MSG_ERROR(no)
284	fi
285	])dnl
286
287
288	dnl $Id$
289
290	AC_DEFUN(RTEMS_CANONICAL_HOST,
291	[dnl
292	AC_REQUIRE([AC_CANONICAL_HOST])
293	RTEMS_HOST=$host_os
294	changequote(,)dnl
295	case "${target}" in
296	# hpux unix port should go here
297	i[3456]86-pc-linux*) # unix "simulator" port
298	RTEMS_HOST=Linux
299	;;
300	i[3456]86-freebsd2) # unix "simulator" port
301	RTEMS_HOST=FreeBSD
302	;;
303	sparc-sun-solaris*) # unix "simulator" port
304	RTEMS_HOST=Solaris
305	;;
306	*)
307	;;
308	esac
309	changequote([,])dnl
310	AC_SUBST(RTEMS_HOST)
311	])dnl
312
313	dnl
314	dnl $Id$
315	dnl
316
317	AC_DEFUN(RTEMS_PROJECT_ROOT,
318	[dnl
319	AC_REQUIRE([RTEMS_TOP])
320	if test "$TARGET_SUBDIR" = "." ; then
321	PROJECT_ROOT=$RTEMS_TOPdir/'$(top_builddir)';
322	else
323	PROJECT_ROOT=../$RTEMS_TOPdir/'$(top_builddir)'
324	fi
325	AC_SUBST(PROJECT_ROOT)
326
327	RTEMS_ROOT=$RTEMS_TOPdir/'$(top_builddir)'/c/$RTEMS_BSP
328	AC_SUBST(RTEMS_ROOT)
329
330	INSTALL_CHANGE="\$(KSH) \$(PROJECT_ROOT)/tools/build/install-if-change"
331	AC_SUBST(INSTALL_CHANGE)
332
333	PACKHEX="\$(PROJECT_ROOT)/tools/build/packhex"
334	AC_SUBST(PACKHEX)
335	])
336
337
338	dnl
339	dnl $Id$
340	dnl
341	dnl Check for target gcc
342	dnl
343	dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
344	dnl Completely reworked
345
346	AC_DEFUN(RTEMS_PROG_CC,
347	[
348	AC_BEFORE([$0], [AC_PROG_CPP])dnl
349	AC_BEFORE([$0], [AC_PROG_CC])dnl
350	AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl
351
352	dnl Only accept gcc and cc
353	dnl NOTE: This might be too restrictive for native compilation
354	AC_PATH_PROGS(CC_FOR_TARGET, "$program_prefix"gcc "$program_prefix"cc )
355	test -z "$CC_FOR_TARGET" \
356	&& AC_MSG_ERROR([no acceptable cc found in \$PATH])
357
358	dnl backup
359	rtems_save_CC=$CC
360	rtems_save_CFLAGS=$CFLAGS
361
362	dnl temporarily set CC
363	CC=$CC_FOR_TARGET
364
365	AC_PROG_CC_WORKS
366	AC_PROG_CC_GNU
367
368	if test $ac_cv_prog_gcc = yes; then
369	GCC=yes
370	dnl Check whether -g works, even if CFLAGS is set, in case the package
371	dnl plays around with CFLAGS (such as to build both debugging and
372	dnl normal versions of a library), tasteless as that idea is.
373	ac_test_CFLAGS="${CFLAGS+set}"
374	ac_save_CFLAGS="$CFLAGS"
375	CFLAGS=
376	AC_PROG_CC_G
377	if test "$ac_test_CFLAGS" = set; then
378	CFLAGS="$ac_save_CFLAGS"
379	elif test $ac_cv_prog_cc_g = yes; then
380	CFLAGS="-g -O2"
381	else
382	CFLAGS="-O2"
383	fi
384	else
385	GCC=
386	test "${CFLAGS+set}" = set \|\| CFLAGS="-g"
387	fi
388
389	rtems_cv_prog_gcc=$ac_cv_prog_gcc
390	rtems_cv_prog_cc_g=$ac_cv_prog_cc_g
391	rtems_cv_prog_cc_works=$ac_cv_prog_cc_works
392	rtems_cv_prog_cc_cross=$ac_cv_prog_cc_cross
393
394	dnl restore initial values
395	CC=$rtems_save_CC
396	CFLAGS=$rtems_save_CFLAGS
397
398	unset ac_cv_prog_gcc
399	unset ac_cv_prog_cc_g
400	unset ac_cv_prog_cc_works
401	unset ac_cv_prog_cc_cross
402	])
403
404	AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET,
405	[
406	dnl check target cc
407	RTEMS_PROG_CC
408	dnl check if the compiler supports --specs
409	RTEMS_GCC_SPECS
410	dnl check if the target compiler may use --pipe
411	RTEMS_GCC_PIPE
412	dnl check if the compiler supports --specs if gcc28 is requested
413	if test "$RTEMS_USE_GCC272" != "yes" ; then
414	if test "$rtems_cv_gcc_specs" = "no"; then
415	AC_MSG_WARN([*** disabling --enable-gcc28])
416	RTEMS_USE_GCC272=yes
417	fi
418	fi
419	test "$rtems_cv_gcc_pipe" = "yes" && CC_FOR_TARGET="$CC_FOR_TARGET --pipe"
420
421	dnl FIXME: HACK for egcs/cygwin mixing '\\' and '/' in gcc -print-*
422	case $host_os in
423	cygwin) GCCSED="\| sed 's%\\\\%/%g'" ;;
424	*) ;;
425	esac
426	AC_SUBST(GCCSED)
427	])
428
429	dnl
430	dnl $Id$
431	dnl
432	dnl Set program_prefix
433	dnl
434	dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
435	dnl Extracted from configure
436
437	AC_DEFUN(RTEMS_TOOL_PREFIX,
438	[AC_REQUIRE([AC_CANONICAL_TARGET])dnl
439	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
440
441	changequote(,)dnl
442	if [ "${program_prefix}" = "NONE" ] ; then
443	if [ "${target}" = "${host}" ] ; then
444	program_prefix=
445	else
446	program_prefix=${target}-
447	fi
448	fi
449	changequote([,])dnl
450	])
451
452	dnl
453	dnl $Id$
454	dnl
455	dnl Check whether the target compiler accepts -specs
456	dnl
457	dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de
458	dnl
459
460	AC_DEFUN(RTEMS_GCC_SPECS,
461	[AC_REQUIRE([RTEMS_PROG_CC])
462	AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts -specs,rtems_cv_gcc_specs,
463	[
464	rtems_cv_gcc_specs=no
465	if test "$rtems_cv_prog_gcc" = "yes"; then
466	touch confspec
467	echo 'void f(){}' >conftest.c
468	if test -z "`${CC_FOR_TARGET} -specs confspec -c conftest.c 2>&1`";then
469	rtems_cv_gcc_specs=yes
470	fi
471	fi
472	rm -f confspec conftest*
473	])])
474
475	dnl
476	dnl $Id$
477	dnl
478	dnl Check whether the target compiler accepts -pipe
479	dnl
480	dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de
481	dnl
482
483	AC_DEFUN(RTEMS_GCC_PIPE,
484	[AC_REQUIRE([RTEMS_PROG_CC])
485	AC_REQUIRE([AC_CANONICAL_HOST])
486	AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe,
487	[
488	rtems_cv_gcc_pipe=no
489	if test "$rtems_cv_prog_gcc" = "yes"; then
490	case "$host_os" in
491	cygwin*)
492	;;
493	*)
494	echo 'void f(){}' >conftest.c
495	if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then
496	rtems_cv_gcc_pipe=yes
497	fi
498	rm -f conftest*
499	;;
500	esac
501	fi
502	])
503	])
504
505	dnl
506	dnl $Id$
507	dnl
508	dnl Check for target g++
509	dnl
510	dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
511	dnl Completely reworked
512
513	AC_DEFUN(RTEMS_PROG_CXX,
514	[
515	AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
516	AC_BEFORE([$0], [AC_PROG_CXX])dnl
517	AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl
518
519	dnl Only accept g++ and c++
520	dnl NOTE: This might be too restrictive for native compilation
521	AC_PATH_PROGS(CXX_FOR_TARGET, "$program_prefix"g++ "$program_prefix"c++)
522	test -z "$CXX_FOR_TARGET" \
523	&& AC_MSG_ERROR([no acceptable c++ found in \$PATH])
524
525	dnl backup
526	rtems_save_CXX=$CXX
527	rtems_save_CXXFLAGS=$CXXFLAGS
528
529	dnl temporarily set CXX
530	CXX=$CXX_FOR_TARGET
531
532	AC_PROG_CXX_WORKS
533	AC_PROG_CXX_GNU
534
535	if test $ac_cv_prog_gxx = yes; then
536	GXX=yes
537	dnl Check whether -g works, even if CXXFLAGS is set, in case the package
538	dnl plays around with CXXFLAGS (such as to build both debugging and
539	dnl normal versions of a library), tasteless as that idea is.
540	ac_test_CXXFLAGS="${CXXFLAGS+set}"
541	ac_save_CXXFLAGS="$CXXFLAGS"
542	CXXFLAGS=
543	AC_PROG_CXX_G
544	if test "$ac_test_CXXFLAGS" = set; then
545	CXXFLAGS="$ac_save_CXXFLAGS"
546	elif test $ac_cv_prog_cxx_g = yes; then
547	CXXFLAGS="-g -O2"
548	else
549	CXXFLAGS="-O2"
550	fi
551	else
552	GXX=
553	test "${CXXFLAGS+set}" = set \|\| CXXFLAGS="-g"
554	fi
555
556	rtems_cv_prog_gxx=$ac_cv_prog_gxx
557	rtems_cv_prog_cxx_g=$ac_cv_prog_cxx_g
558	rtems_cv_prog_cxx_works=$ac_cv_prog_cxx_works
559	rtems_cv_prog_cxx_cross=$ac_cv_prog_cxx_cross
560
561	CXX=$rtems_save_CXX
562	CXXFLAGS=$rtems_save_CXXFLAGS
563
564	dnl restore initial values
565	unset ac_cv_prog_gxx
566	unset ac_cv_prog_cc_g
567	unset ac_cv_prog_cxx_works
568	unset ac_cv_prog_cxx_cross
569	])
570
571	AC_DEFUN(RTEMS_PROG_CXX_FOR_TARGET,
572	[
573	RTEMS_PROG_CXX
574	if test "$rtems_cv_prog_cc_cross" != "$rtems_cv_prog_cxx_cross"; then
575	AC_MSG_ERROR([***]
576	[Inconsistency in compiler configuration:]
577	[Target C compiler and Target C++ compiler]
578	[must both either be cross compilers or native compilers]
579	[Hint: If building a posix bsp: LD_LIBRARY_PATH?] )
580	fi
581	])
582
583	dnl
584	dnl $Id$
585	dnl
586	dnl Set target tools
587	dnl
588	dnl 98/06/23 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
589	dnl fixing cache/environment variable handling
590	dnl adding checks for cygwin/egcs '\\'-bug
591	dnl adding checks for ranlib/ar -s problem
592	dnl
593	dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
594	dnl
595
596	AC_DEFUN(RTEMS_GCC_PRINT,
597	[ case $host_os in
598	cygwin)
599	dnl FIXME: Hack for cygwin/egcs reporting mixed '\\' and '/'
600	dnl Should be removed once cygwin/egcs reports '/' only
601	$1=`$CC_FOR_TARGET --print-prog-name=$2 \| sed -e 's%\\\\%/%g' `
602	;;
603	*)
604	$1=`$CC_FOR_TARGET --print-prog-name=$2`
605	;;
606	esac
607	])
608
609	AC_DEFUN(RTEMS_PATH_TOOL,
610	[
611	AC_MSG_CHECKING([target's $2])
612	AC_CACHE_VAL(ac_cv_path_$1,:)
613	AC_MSG_RESULT([$ac_cv_path_$1])
614
615	if test -n "$ac_cv_path_$1"; then
616	dnl retrieve the value from the cache
617	$1=$ac_cv_path_$1
618	else
619	dnl the cache was not set
620	if test -z "[$]$1" ; then
621	if test "$rtems_cv_prog_gcc" = "yes"; then
622	# We are using gcc, ask it about its tool
623	# NOTE: Necessary if gcc was configured to use the target's
624	# native tools or uses prefixes for gnutools (e.g. gas instead of as)
625	RTEMS_GCC_PRINT($1,$2)
626	fi
627	else
628	# The user set an environment variable.
629	# Check whether it is an absolute path, otherwise AC_PATH_PROG
630	# will override the environment variable, which isn't what the user
631	# intends
632	AC_MSG_CHECKING([whether environment variable $1 is an absolute path])
633	case "[$]$1" in
634	/*) # valid
635	AC_MSG_RESULT("yes")
636	;;
637	*) # invalid for AC_PATH_PROG
638	AC_MSG_RESULT("no")
639	AC_MSG_ERROR([***]
640	[Environment variable $1 should either]
641	[be unset (preferred) or contain an absolute path])
642	;;
643	esac
644	fi
645
646	AC_PATH_PROG($1,"$program_prefix"$2,$3)
647	fi
648	])
649
650	AC_DEFUN(RTEMS_CANONICALIZE_TOOLS,
651	[AC_REQUIRE([RTEMS_PROG_CC])dnl
652
653	dnl FIXME: What shall be done if these tools are not available?
654	RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no)
655	RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no)
656	RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no)
657	RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no)
658
659	dnl special treatment of ranlib
660	RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no)
661	if test "$RANLIB_FOR_TARGET" = "no"; then
662	# ranlib wasn't found; check if ar -s is available
663	RTEMS_AR_FOR_TARGET_S
664	if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then
665	dnl override RANLIB_FOR_TARGET's cache
666	ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s"
667	RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET
668	else
669	AC_MSG_ERROR([***]
670	[Can't figure out how to build a library index]
671	[Neither ranlib nor ar -s seem to be available] )
672	fi
673	fi
674
675	dnl NOTE: These may not be available if not using gnutools
676	RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no)
677	RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no)
678	RTEMS_PATH_TOOL(STRIP_FOR_TARGET,strip,no)
679	])
680
681	dnl
682	dnl $Id$
683	dnl
684
685	AC_DEFUN(RTEMS_AR_FOR_TARGET_S,
686	[
687	AC_CACHE_CHECK(whether $AR_FOR_TARGET -s works,
688	rtems_cv_AR_FOR_TARGET_S,
689	[
690	cat > conftest.$ac_ext <<EOF
691	int foo( int b )
692	{ return b; }
693	EOF
694	if AC_TRY_COMMAND($CC_FOR_TARGET -o conftest.o -c conftest.$ac_ext) \
695	&& AC_TRY_COMMAND($AR_FOR_TARGET -sr conftest.a conftest.o) \
696	&& test -s conftest.a ; \
697	then
698	rtems_cv_AR_FOR_TARGET_S="yes"
699	else
700	rtems_cv_AR_FOR_TARGET_S="no"
701	fi
702	rm -f conftest*
703	])
704	])
705
706
707	dnl
708	dnl $Id$
709	dnl
710
711	dnl check for i386 gas supporting 16 bit mode
712	dnl - binutils 2.9.1.0.7 and higher
713
714	AC_DEFUN(RTEMS_I386_GAS_CODE16,
715	[ if test "${target_cpu}" = "i386"; then
716	AC_CACHE_CHECK([for 16 bit mode assembler support],
717	rtems_cv_prog_gas_code16,
718	[cat > conftest.s << EOF
719	.code16
720	data32
721	addr32
722	lgdt 0
723	EOF
724	if AC_TRY_COMMAND($AS_FOR_TARGET -o conftest.o conftest.s); then
725	rtems_cv_prog_gas_code16=yes
726	else
727	rtems_cv_prog_gas_code16=no
728	fi])
729	RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
730	fi
731	AC_SUBST(RTEMS_GAS_CODE16)
732	])
733
734
735	dnl
736	dnl $Id$
737	dnl
738	dnl Check for System V IPC calls used by Unix simulators
739	dnl
740	dnl 98/07/17 Dario Alcocer alcocer@netcom.com
741	dnl Ralf Corsepius corsepiu@faw.uni-ulm.de
742	dnl
743	dnl Note: $host_os should probably not ever be used here to
744	dnl determine if host supports System V IPC calls, since some
745	dnl (e.g. FreeBSD 2.x) are configured by default to include only
746	dnl a subset of the System V IPC calls. Therefore, to make sure
747	dnl all of the required calls are found, test for each call explicitly.
748	dnl
749	dnl All of the calls use IPC_PRIVATE, so tests will not unintentionally
750	dnl modify any existing key sets. See the man pages for semget, shmget,
751	dnl msgget, semctl, shmctl and msgctl for details.
752
753	AC_DEFUN(RTEMS_SYSV_SEM,
754	[AC_REQUIRE([AC_PROG_CC])
755	AC_REQUIRE([RTEMS_CANONICAL_HOST])
756	AC_CACHE_CHECK(whether $RTEMS_HOST supports System V semaphores,
757	rtems_cv_sysv_sem,
758	[
759	AC_TRY_RUN([
760	#include <sys/types.h>
761	#include <sys/ipc.h>
762	#include <sys/sem.h>
763	int main () {
764	#if !defined(sun)
765	union semun arg ;
766	#else
767	union semun {
768	int val;
769	struct semid_ds *buf;
770	ushort *array;
771	} arg;
772	#endif
773	int id=semget(IPC_PRIVATE,1,IPC_CREAT\|0400);
774	if (id == -1)
775	exit(1);
776	arg.val = 0; /* avoid implicit type cast to union */
777	if (semctl(id, 0, IPC_RMID, arg) == -1)
778	exit(1);
779	exit(0);
780	}
781	],
782	rtems_cv_sysv_sem="yes", rtems_cv_sysv_sem="no", :)
783	])
784	])
785
786	AC_DEFUN(RTEMS_SYSV_SHM,
787	[AC_REQUIRE([AC_PROG_CC])
788	AC_REQUIRE([RTEMS_CANONICAL_HOST])
789	AC_CACHE_CHECK(whether $RTEMS_HOST supports System V shared memory,
790	rtems_cv_sysv_shm,
791	[
792	AC_TRY_RUN([
793	#include <sys/types.h>
794	#include <sys/ipc.h>
795	#include <sys/shm.h>
796	int main () {
797	int id=shmget(IPC_PRIVATE,1,IPC_CREAT\|0400);
798	if (id == -1)
799	exit(1);
800	if (shmctl(id, IPC_RMID, 0) == -1)
801	exit(1);
802	exit(0);
803	}
804	],
805	rtems_cv_sysv_shm="yes", rtems_cv_sysv_shm="no", :)
806	])
807	])
808
809	AC_DEFUN(RTEMS_SYSV_MSG,
810	[AC_REQUIRE([AC_PROG_CC])
811	AC_REQUIRE([RTEMS_CANONICAL_HOST])
812	AC_CACHE_CHECK(whether $RTEMS_HOST supports System V messages,
813	rtems_cv_sysv_msg,
814	[
815	AC_TRY_RUN([
816	#include <sys/types.h>
817	#include <sys/ipc.h>
818	#include <sys/msg.h>
819	int main () {
820	int id=msgget(IPC_PRIVATE,IPC_CREAT\|0400);
821	if (id == -1)
822	exit(1);
823	if (msgctl(id, IPC_RMID, 0) == -1)
824	exit(1);
825	exit(0);
826	}
827	],
828	rtems_cv_sysv_msg="yes", rtems_cv_sysv_msg="no", :)
829	])
830	])
831
832	AC_DEFUN(RTEMS_CHECK_SYSV_UNIX,
833	[AC_REQUIRE([RTEMS_CANONICAL_HOST])
834	if test "$RTEMS_CPU" = "unix" ; then
835	RTEMS_SYSV_SEM
836	if test "$rtems_cv_sysv_sem" != "yes" ; then
837	AC_MSG_ERROR([System V semaphores don't work, required by simulator])
838	fi
839	RTEMS_SYSV_SHM
840	if test "$rtems_cv_sysv_shm" != "yes" ; then
841	AC_MSG_ERROR([System V shared memory doesn't work, required by simulator])
842	fi
843	RTEMS_SYSV_MSG
844	if test "$rtems_cv_sysv_msg" != "yes" ; then
845	AC_MSG_ERROR([System V messages don't work, required by simulator])
846	fi
847	fi
848	])
849
850	dnl $Id$
851
852	dnl Report all available bsps for a target,
853	dnl check if a bsp-subdirectory is present for all bsps found
854	dnl
855	dnl RTEMS_CHECK_BSPS(bsp_list)
856	AC_DEFUN(RTEMS_CHECK_BSPS,
857	[
858	AC_REQUIRE([RTEMS_CHECK_CPU])dnl sets RTEMS_CPU, target
859	AC_REQUIRE([RTEMS_TOP])dnl sets RTEMS_TOPdir
860	AC_MSG_CHECKING([for bsps])
861	case "${target}" in
862	changequote(,)dnl
863	i[3456]86-go32-rtems*)
864	changequote([,])dnl
865	$1="go32 go32_p5"
866	;;
867	*)
868	files=`ls $srcdir/$RTEMS_TOPdir/c/src/lib/libbsp/$RTEMS_CPU`
869	for file in $files; do
870	case $file in
871	shared*);;
872	Makefile*);;
873	READ*);;
874	CVS*);;
875	pxfl*);;
876	go32*);; # so the i386 port can pick up the other Makefiles
877	# Now account for BSPs with build variants
878	gen68360) rtems_bsp="$rtems_bsp gen68360 gen68360_040";;
879	p4000) rtems_bsp="$rtems_bsp p4600 p4650";;
880	mvme162) rtems_bsp="$rtems_bsp mvme162 mvme162lx";;
881	*) $1="[$]$1 $file";;
882	esac;
883	done
884	;;
885	esac
886	AC_MSG_RESULT([[$]$1 .. done])
887	])dnl
888
889	AC_DEFUN(RTEMS_CHECK_CUSTOM_BSP,
890	[dnl
891	AC_MSG_CHECKING([for make/custom/[$]$1.cfg])
892	if test -r "$srcdir/$RTEMS_TOPdir/make/custom/[$]$1.cfg"; then
893	AC_MSG_RESULT([yes])
894	else
895	AC_MSG_ERROR([no])
896	fi
897	])dnl
898
899	dnl
900	dnl $Id$
901	dnl
902
903	AC_DEFUN(RTEMS_CHECK_MULTIPROCESSING,
904	[dnl
905	AC_REQUIRE([RTEMS_TOP])dnl
906	AC_REQUIRE([RTEMS_CHECK_CPU])dnl
907	AC_CACHE_CHECK([whether BSP supports multiprocessing],
908	rtems_cv_HAS_MP,
909	[dnl
910	if test -d "$srcdir/${RTEMS_TOPdir}/c/src/lib/libbsp/${RTEMS_CPU}/${$1}/shmsupp"; then
911	if test "$RTEMS_HAS_MULTIPROCESSING" = "yes"; then
912	rtems_cv_HAS_MP="yes" ;
913	else
914	rtems_cv_HAS_MP="disabled";
915	fi
916	else
917	rtems_cv_HAS_MP="no";
918	fi])
919	if test "$rtems_cv_HAS_MP" = "yes"; then
920	HAS_MP="yes"
921	else
922	HAS_MP="no"
923	fi
924	AC_SUBST(HAS_MP)
925	])
926
927	dnl $Id$
928	dnl
929	AC_DEFUN(RTEMS_CHECK_CXX,
930	[dnl
931	AC_REQUIRE([RTEMS_CHECK_CPU])dnl
932	AC_REQUIRE([RTEMS_PROG_CXX_FOR_TARGET])dnl
933	AC_CACHE_VAL(rtems_cv_HAS_CPLUSPLUS,
934	[dnl
935	if test "$RTEMS_HAS_CPLUSPLUS" = "yes"; then
936	if test -n "$CXX_FOR_TARGET"; then
937	rtems_cv_HAS_CPLUSPLUS="yes";
938	else
939	rtems_cv_HAS_CPLUSPLUS="no";
940	fi
941	else
942	rtems_cv_HAS_CPLUSPLUS="no";
943	fi
944	])dnl
945	HAS_CPLUSPLUS="$rtems_cv_HAS_CPLUSPLUS";
946	AC_SUBST(HAS_CPLUSPLUS)dnl
947	])
948
949	dnl $Id$
950	dnl
951	AC_DEFUN(RTEMS_CHECK_NETWORKING,
952	[dnl
953	AC_REQUIRE([RTEMS_CHECK_CPU])dnl
954	AC_CACHE_VAL(rtems_cv_HAS_NETWORKING,
955	[dnl
956	if test "$RTEMS_HAS_NETWORKING" = "yes"; then
957	rtems_cv_HAS_NETWORKING="yes";
958	else
959	rtems_cv_HAS_NETWORKING="no";
960	fi
961	])dnl
962	HAS_NETWORKING="$rtems_cv_HAS_NETWORKING";
963	AC_SUBST(HAS_NETWORKING)dnl
964	])
965
966	dnl
967	dnl $Id$
968	dnl
969
970	dnl RTEMS_BSP_ALIAS(BSP_ALIAS,BSP_RETURNED)
971	dnl convert a bsp alias $1 into its bsp directory $2
972	AC_DEFUN(RTEMS_BSP_ALIAS,
973	[
974	# account for "aliased" bsps which share source code
975	case $1 in
976	mvme162lx) $2=mvme162 ;; # mvme162 board variant
977	gen68360_040) $2=gen68360 ;; # 68360 in companion mode
978	go32_p5) $2=go32 ;; # go32 on Pentium class CPU
979	p4600) $2=p4000 ;; # p4000 board with IDT 4600
980	p4650) $2=p4000 ;; # p4000 board with IDT 4650
981	*) $2=$1;;
982	esac
983	])
984
985	dnl
986	dnl $Id$
987	dnl
988
989	dnl RTEMS_CHECK_MAKEFILE(path)
990	dnl Search for Makefile.in's within the directory starting
991	dnl at path and append an entry for Makefile to global variable
992	dnl "makefiles" (from configure.in) for each Makefile.in found
993	dnl
994	AC_DEFUN(RTEMS_CHECK_MAKEFILE,
995	[RTEMS_CHECK_FILES_IN($1,Makefile,makefiles)
996	])
997
998	dnl
999	dnl $Id$
1000	dnl
1001
1002	dnl RTEMS_CHECK_FILES_IN(path,file,var)
1003	dnl path .. path relative to srcdir, where to start searching for files
1004	dnl file .. name of the files to search for
1005	dnl var .. shell variable to append files found
1006
1007	AC_DEFUN(RTEMS_CHECK_FILES_IN,
1008	[
1009	AC_MSG_CHECKING(for $2.in in $1)
1010	if test -d $srcdir/$1; then
1011	rtems_av_save_dir=`pwd`;
1012	cd $srcdir;
1013	rtems_av_tmp=`find $1 -name "$2.in" -print \| sed "s/$2\.in/%/" \| sort \| sed "s/%/$2/"`
1014	$3="$$3 $rtems_av_tmp";
1015	cd $rtems_av_save_dir;
1016	AC_MSG_RESULT(done)
1017	else
1018	AC_MSG_RESULT(no)
1019	fi
1020	])
1021
1022
1023	dnl $Id$
1024	dnl
1025	AC_DEFUN(RTEMS_CHECK_RDBG,
1026	[dnl
1027	AC_REQUIRE([RTEMS_TOP])dnl
1028	AC_REQUIRE([RTEMS_CHECK_CPU])dnl
1029	AC_CACHE_CHECK([whether BSP supports librdbg],
1030	rtems_cv_HAS_RDBG,
1031	[
1032	if test -d "$srcdir/${RTEMS_TOPdir}/c/src/lib/librdbg/${RTEMS_CPU}/${$1}"; then
1033	rtems_cv_HAS_RDBG="yes" ;
1034	else
1035	rtems_cv_HAS_RDBG="no";
1036	fi
1037	])
1038	HAS_RDBG="$rtems_cv_HAS_RDBG"
1039	AC_SUBST(HAS_RDBG)
1040	])
1041

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