1 # Process this file with autoconf to produce a configure script.
2 
3 AC_PREREQ([2.69])
4 AC_INIT([got-portable],
5 	m4_esyscmd_s(util/got-portable-ver.sh),
6 	[thomas@xteddy.org])
7 AC_CONFIG_AUX_DIR(etc)
8 AC_CONFIG_SRCDIR([lib/rcsutil.h])
9 AM_INIT_AUTOMAKE([foreign subdir-objects])
10 
11 AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
12 AC_SUBST(VERSION)
13 AC_SUBST(GOT_RELEASE)
14 
15 AC_USE_SYSTEM_EXTENSIONS
16 AC_CANONICAL_HOST
17 
18 AC_CONFIG_SUBDIRS([template])
19 
20 # When CFLAGS isn't set at this stage and gcc is detected by the macro below,
21 # autoconf will automatically use CFLAGS="-O2 -g". Prevent that by using an
22 # empty default.
23 : ${CFLAGS=""}
24 
25 # Save user CPPFLAGS, CFLAGS and LDFLAGS. We need to change them because
26 # AC_CHECK_HEADER doesn't give us any other way to update the include
27 # paths. But for Makefile.am we want to use AM_CPPFLAGS and friends.
28 SAVED_CFLAGS="$CFLAGS"
29 SAVED_CPPFLAGS="$CPPFLAGS"
30 SAVED_LDFLAGS="$LDFLAGS"
31 
32 # Checks for programs.
33 AC_PROG_CC
34 AC_PROG_CPP
35 AC_PROG_INSTALL
36 AC_PROG_LN_S
37 AC_PROG_MAKE_SET
38 AC_PROG_YACC
39 AM_PROG_AR
40 AC_PROG_RANLIB
41 PKG_PROG_PKG_CONFIG
42 
43 # Checks for header files.
44 AC_CHECK_HEADERS([ \
45 	fcntl.h \
46 	langinfo.h \
47 	limits.h \
48 	linux/landlock.h \
49 	locale.h \
50 	netdb.h \
51 	netinet/in.h \
52 	paths.h \
53 	poll.h \
54 	stddef.h \
55 	stdint.h \
56 	stdlib.h \
57 	string.h \
58 	sys/ioctl.h \
59 	sys/param.h \
60 	sys/poll.h \
61 	sys/queue.h \
62 	sys/socket.h \
63 	sys/time.h \
64 	sys/tree.h \
65 	util.h \
66 	unistd.h \
67 	wchar.h \
68 ])
69 
70 # Checks for typ edefs, structures, and compiler characteristics.
71 AC_CHECK_HEADER_STDBOOL
72 AC_C_INLINE
73 AC_TYPE_INT64_T
74 AC_TYPE_MODE_T
75 AC_TYPE_OFF_T
76 AC_TYPE_PID_T
77 AC_TYPE_SIZE_T
78 AC_TYPE_SSIZE_T
79 AC_TYPE_UINT16_T
80 AC_TYPE_UINT32_T
81 AC_TYPE_UINT64_T
82 AC_TYPE_UINT8_T
83 
84 # Check for ifgroupreq which is only available on BSD.
85 AC_CHECK_TYPES([struct ifgroupreq])
86 
87 # Check for sockaddr_storage.  On some systems, ss_len is filled out, although
88 # this is not mandated by POSIX, and hence systems such as linux, don't have
89 # it.
90 AC_CHECK_TYPES([struct sockaddr_storage], [], [], [
91 #include <sys/types.h>
92 #include <sys/socket.h>
93 ])
94 
95 # Same thing as sockaddr_storage above, only now check if the member exists in
96 # the struct as well.
97 AC_CHECK_MEMBERS([struct sockaddr_storage.ss_len], , ,
98 	[ #include <netdb.h>
99 	  #include <netinet/in.h>
100 	  #include <sys/socket.h> ]
101 )
102 
103 AC_CHECK_MEMBERS([struct sockaddr.sa_len], , ,
104 	[ #include <netdb.h>
105 	  #include <netinet/in.h>
106 	  #include <sys/socket.h> ]
107 )
108 
109 # Both checks above will result in:
110 #
111 # HAVE_STRUCT_SOCKADDR_AS_LEN
112 # SS_LEN
113 #
114 # Either being defined or not.
115 
116 # Look for library needed for flock.
117 AC_SEARCH_LIBS(flock, bsd)
118 
119 # Checks for library functions.
120 AC_FUNC_FORK
121 AC_FUNC_FSEEKO
122 AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
123 AC_FUNC_MALLOC
124 AC_FUNC_MMAP
125 AC_FUNC_REALLOC
126 AC_FUNC_STRERROR_R
127 AC_FUNC_STRNLEN
128 AC_CHECK_FUNCS([ \
129 	dup2 \
130 	flock \
131 	getcwd \
132 	localtime_r \
133 	memchr \
134 	memmove \
135 	memset \
136 	mkdir \
137 	munmap \
138 	nl_langinfo \
139 	realpath \
140 	regcomp \
141 	rmdir \
142 	setlocale \
143 	socket \
144 	setresgid \
145 	setresuid \
146 	setproctitle \
147 	strcasecmp \
148 	strchr \
149 	strcspn \
150 	strdup \
151 	strerror \
152 	strlcpy \
153 	strncasecmp \
154 	strndup \
155 	strrchr \
156 	strspn \
157 	strstr \
158 	strtol \
159 	strtoul \
160 	wcwidth \
161 ])
162 
163 AM_CONDITIONAL([HAVE_SETPROCTITLE], [test "x$ac_cv_func_setproctitle" = xyes])
164 AM_CONDITIONAL([HAVE_SETRESGID], [test "x$ac_cv_func_setresgid" = xyes])
165 AM_CONDITIONAL([HAVE_SETRESUID], [test "x$ac_cv_func_setresuid" = xyes])
166 
167 # Siphash support.
168 AC_CHECK_FUNCS([SipHash])
169 AM_CONDITIONAL([HAVE_SIPHASH], [test "x$ac_cv_func_SipHash" = xyes])
170 
171 # Check for functions with a compatibility implementation.
172 AC_REPLACE_FUNCS([ \
173 	asprintf \
174 	closefrom \
175 	explicit_bzero \
176 	fmt_scaled \
177 	freezero \
178 	getdtablecount \
179 	getline \
180 	getprogname \
181 	recallocarray \
182 	reallocarray \
183 	strlcat \
184 	strlcpy \
185 	strndup \
186 	strsep \
187 	strtonum \
188 ])
189 
190 # Always use our getopt because 1) glibc's doesn't enforce argument order 2)
191 # musl does not set optarg to NULL for flags without arguments (although it is
192 # not required to, but it is helpful) 3) there are probably other weird
193 # implementations.
194 AC_LIBOBJ(getopt)
195 
196 # Check the platform we're compiling on.
197 AC_MSG_CHECKING(platform)
198 case "$host_os" in
199 	*linux*)
200 		AC_MSG_RESULT(linux)
201 		PLATFORM=linux
202 		;;
203 	*freebsd*)
204 		AC_MSG_RESULT(freebsd)
205 		PLATFORM=freebsd
206 		;;
207 	*darwin*)
208 		AC_MSG_RESULT(darwin)
209 		PLATFORM=darwin
210 		;;
211 	*netbsd*)
212 		AC_MSG_RESULT(netbsd)
213 		PLATFORM=netbsd
214 		;;
215 	*dragonfly*)
216 		AC_MSG_RESULT(dragonfly)
217 		PLATFORM=dragonflybsd
218 		;;
219 	*)
220 		AC_MSG_RESULT(unknown)
221 		PLATFORM=unknown
222 		;;
223 esac
224 AC_SUBST(PLATFORM)
225 AM_CONDITIONAL([HOST_FREEBSD], [test "$PLATFORM" = "freebsd"])
226 AM_CONDITIONAL([HOST_LINUX], [test "$PLATFORM" = "linux"])
227 AM_CONDITIONAL([HOST_DARWIN], [test "$PLATFORM" = "darwin"])
228 AM_CONDITIONAL([HOST_NETBSD], [test "$PLATFORM" = "netbsd"])
229 AM_CONDITIONAL([HOST_DRAGONFLYBSD], [test "$PLATFORM" = "dragonflybsd"])
230 
231 if test x"$PLATFORM" = "xdarwin"; then
232 	# Check for and/or set HOMEBREW_PREFIX.  brew is a common way of
233 	# installing applications.  The other is MacPorts.
234 	#
235 	# Before Apple Silicon existed (M1 onward), the paths for applications
236 	# installed via homebrew was typically /usr/local.  However, with M1
237 	# onward, this changed to a different path.
238 	#
239 	# Rather than hardcode this, check for HOMEBREW_PREFIX in the
240 	# environment if it's already set, and use it.  Otherwise, check for
241 	# brew(1) and use that.  If that fails, default to /usr/local
242 	#
243 	# This also means that MacPorts should continue to work.
244 	#
245 	# But with MacPorts, we should also check --prefix, and use that if it
246 	# has been supplied.
247 	#
248 	# In both cases, the variable HOMEBREW_PREFIX is used for both.
249 	HB_PREFIX=""
250 	FOUND_BISON="no"
251 	GNUBISON=""
252 	if test -z "$HOMEBREW_PREFIX" -o "$HOMEBREW_PREFIX" = "NONE"; then
253 		# HOMEBREW_PREFIX not set, check for brew(1)
254 		if command -v brew >/dev/null 2>&1; then
255 			AC_MSG_NOTICE("HOMEBREW_PREFIX set via 'brew --prefix'")
256 			export HOMEBREW_PREFIX="$(brew --prefix)"
257 		fi
258 
259 		if test -z "$HOMEBREW_PREFIX" -o "$HOMEBREW_PREFIX" = "NONE"
260 		then
261 			# Default.
262 			if test -z "${prefix}" -o "${prefix}" = "NONE"; then
263 				export HOMEBREW_PREFIX="/usr/local"
264 				HB_PREFIX="/usr/local"
265 				AC_MSG_NOTICE("HOMEBREW_PREFIX defaulting to $HB_PREFIX")
266 			else
267 				HB_PREFIX="$(eval echo ${prefix})"
268 				if test "$HB_PREFIX" = "NONE"; then
269 					HB_PREFIX="/opt/local"
270 				else
271 					AC_MSG_NOTICE("HOMEBREW_PREFIX using --prefix")
272 				fi
273 				export HOMEBREW_PREFIX="$HB_PREFIX"
274 			fi
275 		fi
276 	fi
277 
278 	AC_MSG_NOTICE("HOMEBREW_PREFIX determined as: $HOMEBREW_PREFIX")
279 
280 	if ! test -x "${HOMEBREW_PREFIX}/opt/bison/bin/bison"; then
281 		AC_MSG_WARN([
282 			     "***********************************************************
283 			     GNU Bison not found: ${HOMEBREW_PREFIX}/opt/bison/bin/bison
284 			     ***********************************************************
285 
286 			     Falling back to checking either /usr/local or \${prefix}"
287 		])
288 
289 		FOUND_BISON="no"
290 		AC_MSG_WARN("Trying ${HB_PREFIX}/opt/bison/bin/bison")
291 		if test -x "${HB_PREFIX}/opt/bison/bin/bison"; then
292 			export HOMEBREW_PREFIX="/usr/local"
293 			FOUND_BISON="yes"
294 			GNUBISON="${HB_PREFIX}/opt/bison/bin/bison"
295 		fi
296 
297 		if test "$FOUND_BISON" = "no"; then
298 			HB_PREFIX="/opt/local"
299 			AC_MSG_WARN("Trying ${HB_PREFIX}/bin/bison")
300 
301 			if test -x "${HB_PREFIX}/bin/bison"; then
302 				export HOMEBREW_PREFIX="${HB_PREFIX}"
303 				GNUBISON="${HB_PREFIX}/bin/bison"
304 				FOUND_BISON="yes"
305 			fi
306 		fi
307 	else
308 		FOUND_BISON="yes"
309 		GNUBISON="${HOMEBREW_PREFIX}/opt/bison/bin/bison"
310 	fi
311 
312 	if test "$FOUND_BISON" = "no"; then
313 		AC_MSG_ERROR("*** Couldn't find GNU BISON ***")
314 	fi
315 
316 	AC_MSG_NOTICE("Found GNU Bison as: $GNUBISON")
317 
318 	# Override YACC here to point to the GNU version of bison.
319 	export YACC="${GNUBISON} -y"
320 	export LDFLAGS="-L${HOMEBREW_PREFIX}/opt/ncurses/lib -L${HOMEBREW_PREFIX}/opt/openssl@3/lib $LDFLAGS"
321 	export CPPFLAGS="-I${HOMEBREW_PREFIX}/opt/ncurses/include -I${HOMEBREW_PREFIX}/opt/openssl@3/include $CPPFLAGS"
322 	export PKG_CONFIG_PATH="${HOMEBREW_PREFIX}/opt/ncurses/lib/pkgconfig"
323 	export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:${HOMEBREW_PREFIX}/opt/openssl@3/lib/pkgconfig"
324 fi
325 
326 # Landlock detection.
327 AC_MSG_CHECKING([for landlock])
328 AM_CONDITIONAL([HAVE_LINUX_LANDLOCK],
329     [test "x$ac_cv_header_linux_landlock_h" = "xyes"])
330 if test "x$ac_cv_header_linux_landlock_h" = "xyes"; then
331 	AC_MSG_RESULT(yes)
332 else
333 	AC_MSG_RESULT(no)
334 fi
335 
336 # Clang sanitizers wrap reallocarray even if it isn't available on the target
337 # system. When compiled it always returns NULL and crashes the program. To
338 # detect this we need a more complicated test.
339 AC_MSG_CHECKING([for working reallocarray])
340 AC_RUN_IFELSE([AC_LANG_PROGRAM(
341 		[#include <stdlib.h>],
342 		[return (reallocarray(NULL, 1, 1) == NULL);]
343 	)],
344 	AC_MSG_RESULT(yes),
345 	[AC_LIBOBJ(reallocarray) AC_MSG_RESULT([no])],
346 	[AC_LIBOBJ(reallocarray) AC_MSG_RESULT([no])]
347 )
348 AC_MSG_CHECKING([for working recallocarray])
349 AC_RUN_IFELSE([AC_LANG_PROGRAM(
350 		[#include <stdlib.h>],
351 		[return (recallocarray(NULL, 1, 1, 1) == NULL);]
352 	)],
353 	AC_MSG_RESULT(yes),
354 	[AC_LIBOBJ(recallocarray) AC_MSG_RESULT([no])],
355 	[AC_LIBOBJ(recallocarray) AC_MSG_RESULT([no])]
356 )
357 
358 # Look for imsg_init in libutil.
359 AC_SEARCH_LIBS(imsg_init, util, found_imsg_init=yes, found_imsg_init=no)
360 AM_CONDITIONAL([HAVE_IMSG], [test "x$found_imsg_init" = "xyes"])
361 if test "x$found_imsg_init" = xno; then
362 	AC_LIBOBJ(imsg)
363 	AC_LIBOBJ(imsg-buffer)
364 fi
365 
366 # libevent (for gotwebd).  Lifted from tmux.
367 # Look for libevent. Try libevent_core or libevent with pkg-config first then
368 # look for the library.
369 PKG_CHECK_MODULES(
370 	LIBEVENT_CORE,
371 	[libevent_core >= 2],
372 	[
373 		AM_CPPFLAGS="$LIBEVENT_CORE_CFLAGS $AM_CPPFLAGS"
374 		CPPFLAGS="$AM_CPPFLAGS $SAVED_CPPFLAGS"
375 		LIBS="$LIBEVENT_CORE_LIBS $LIBS"
376 		found_libevent=yes
377 	],
378 	found_libevent=no
379 )
380 if test x$found_libevent = xno; then
381 	PKG_CHECK_MODULES(
382 		LIBEVENT,
383 		[libevent >= 2],
384 		[
385 			AM_CPPFLAGS="$LIBEVENT_CFLAGS $AM_CPPFLAGS"
386 			CPPFLAGS="$AM_CPPFLAGS $SAVED_CPPFLAGS"
387 			LIBS="$LIBEVENT_LIBS $LIBS"
388 			found_libevent=yes
389 		],
390 		found_libevent=no
391 	)
392 fi
393 if test x$found_libevent = xno; then
394 	AC_SEARCH_LIBS(
395 		event_init,
396 		[event_core event event-1.4],
397 		found_libevent=yes,
398 		found_libevent=no
399 	)
400 fi
401 AC_CHECK_HEADER(
402 	event2/event.h,
403 	AC_DEFINE(HAVE_EVENT2_EVENT_H),
404 	[
405 		AC_CHECK_HEADER(
406 			event.h,
407 			AC_DEFINE(HAVE_EVENT_H),
408 			found_libevent=no
409 		)
410 	]
411 )
412 if test "x$found_libevent" = xno; then
413 	AC_MSG_ERROR("libevent not found")
414 fi
415 
416 # libcrypto (via libssl for SHA information)
417 PKG_CHECK_MODULES(
418 	LIBCRYPTO,
419 	libcrypto,
420 	[
421 	 	AM_CFLAGS="$LIBCRYPTO_CFLAGS $AM_CFLAGS"
422 		CFLAGS="$AM_CFLAGS $SAVED_CFLAGS"
423 		LIBS="$LIBCRYPTO_LIBS $LIBS"
424 		found_libcrypto=yes
425 	],
426 	[
427 	 	found_libcrypto=no
428 	]
429 )
430 
431 if test "x$found_libcrypto" = "xyes"; then
432 	AC_DEFINE(HAVE_LIBCRYPTO)
433 fi
434 
435 AC_SEARCH_LIBS(uuid_create, , AC_DEFINE(HAVE_BSD_UUID))
436 AC_SEARCH_LIBS(uuid_create, found_uuid=no, found_uuid=yes)
437 AC_SEARCH_LIBS(mergesort, , AC_DEFINE(HAVE_BSD_MERGESORT))
438 
439 # Don't define HAVE_BSD_UUID on darwin (Apple) as this breaks the BSD API.
440 # Instead, use the UUID implementation wrapper that's in compat/ plus uuid
441 # ossp
442 if test "x$found_uuid" = "xyes" -a "x$PLATFORM" != "darwin"; then
443 	AC_DEFINE(HAVE_BSD_UUID)
444 else
445 	PKG_CHECK_MODULES(
446 		LIBUUID,
447 		uuid,
448 		[
449 			AM_CFLAGS="$LIBUUID_CFLAGS $AM_CFLAGS"
450 			CFLAGS="$AM_CFLAGS $SAVED_CFLAGS"
451 			LIBS="$LIBUUID_LIBS $LIBS"
452 			found_libuuid=yes
453 		],
454 		[
455 			found_libuuid=no
456 		]
457 	)
458 
459 	if test "x$found_libuuid" = "xno"; then
460 		AC_CHECK_HEADER(
461 			uuid.h,
462 			found_libuuid=yes,
463 			found_libuuid=no)
464 	fi
465 fi
466 
467 if test "x$found_libuuid" = "xno"; then
468 	AC_MSG_ERROR("*** couldn't find uuid ***")
469 fi
470 
471 PKG_CHECK_MODULES(
472 	ZLIB,
473 	zlib,
474 	[
475 	 	AM_CFLAGS="$ZLIB_CFLAGS $AM_CFLAGS"
476 		CFLAGS="$AM_CFLAGS $SAVED_CFLAGS"
477 		LIBS="$ZLIB_LIBS $LIBS"
478 		found_zlib=yes
479 	],
480 	[
481 	 	found_zlib=no
482 	]
483 )
484 
485 if test "x$found_zlib" = "xno"; then
486 	AC_CHECK_HEADER(
487 		zlib.h,
488 		,
489 		found_zlib=no)
490 fi
491 
492 if test "x$found_zlib" = "xno"; then
493 	AC_MSG_ERROR("*** couldn't find zlib ***")
494 fi
495 
496 if test "$PLATFORM" = "linux"; then
497 	PKG_CHECK_MODULES(
498 		LIBMD,
499 		libmd,
500 		[
501 			AM_CFLAGS="$LIBMD_CFLAGS $AM_CFLAGS"
502 			CFLAGS="$AM_CFLAGS $SAVED_CFLAGS"
503 			LIBS="$LIBMD_LIBS $LIBS"
504 		],
505 		[
506 			AC_MSG_ERROR("*** couldn't find libmd via pkg-config")
507 		]
508 	)
509 	PKG_CHECK_MODULES(
510 		LIBBSD,
511 		libbsd-overlay,
512 		[
513 			AM_CFLAGS="$LIBBSD_CFLAGS $AM_CFLAGS"
514 			CFLAGS="$AM_CFLAGS $SAVED_CFLAGS"
515 			LIBS="$LIBBSD_LIBS $LIBS"
516 			found_libbsd=yes
517 			AC_DEFINE(HAVE_LIBBSD)
518 		],
519 		[
520 			AC_MSG_ERROR("*** couldn't find libbsd-overlay via pkg-config")
521 		]
522 
523 	)
524 fi
525 
526 # Look for a suitable queue.h.  We hope libbsd is enough, but that is missing
527 # some declarations.
528 AC_CHECK_DECL(
529 	TAILQ_CONCAT,
530 	found_queue_h=yes,
531 	found_queue_h=no,
532 	[#include <sys/queue.h>]
533 )
534 AC_CHECK_DECL(
535 	TAILQ_PREV,
536 	,
537 	found_queue_h=no,
538 	[#include <sys/queue.h>]
539 )
540 AC_CHECK_DECL(
541 	TAILQ_FOREACH_SAFE,
542 	,
543 	found_queue_h=no,
544 	[#include <sys/queue.h>]
545 )
546 
547 if test "x$found_queue_h" = xyes; then
548 	AC_DEFINE(HAVE_QUEUE_H)
549 else
550 	AC_MSG_ERROR("*** sys/queue.h missing key defines ***)
551 fi
552 
553 AC_CHECK_DECL(
554 	RB_GENERATE_STATIC,
555 	found_sys_tree_h=yes,
556 	found_sys_tree_h=no,
557 	[#include <sys/tree.h>]
558 )
559 
560 if test "x$found_sys_tree_h" = xyes; then
561 	AC_DEFINE(HAVE_TREE_H)
562 else
563 	AC_MSG_NOTICE("Using compat/tree.h")
564 fi
565 
566 # Look for __progname.
567 AC_MSG_CHECKING(for __progname)
568 AC_LINK_IFELSE([AC_LANG_SOURCE(
569 	[
570 		#include <stdio.h>
571 		#include <stdlib.h>
572 		extern char *__progname;
573 		int main(void) {
574 			const char *cp = __progname;
575 			printf("%s\n", cp);
576 			exit(0);
577 		}
578 	])],
579 	[AC_DEFINE(HAVE___PROGNAME) AC_MSG_RESULT(yes)],
580 	AC_MSG_RESULT(no)
581 )
582 
583 PKG_CHECK_MODULES(
584 	LIBPANELW,
585 	panelw,
586 	found_panel=yes,
587 	found_panel=no
588 )
589 
590 PKG_CHECK_MODULES(
591 	LIBPANELW,
592 	gnupanelw,
593 	found_panel=yes,
594 	found_panel=no
595 )
596 
597 PKG_CHECK_MODULES(
598 	LIBPANELW,
599 	panel,
600 	found_panel=yes,
601 	found_panel=no
602 )
603 if test "x$found_panel" = "xno"; then
604 	AC_CHECK_LIB(panelw, update_panels, [],
605 		AC_MSG_ERROR([ "*** panelw not found for ncurses. ***"]),
606 		[-lncurses]
607 	)
608 
609 	LIBPANELW_LIBS="-lpanelw"
610 fi
611 
612 PKG_CHECK_MODULES(
613 	LIBNCURSES,
614 	ncursesw,
615 	found_ncurses=yes,
616 	found_ncurses=no
617 )
618 if test "x$found_ncurses" = xyes; then
619 	AM_CFLAGS="$LIBNCURSES_CFLAGS $LIBTINFO_CFLAGS $LIBPANELW_CFLAGS $AM_CFLAGS"
620 	CFLAGS="$LIBNCURSES_CFLAGS $LIBTINFO_CFLAGS $LIBPANELW_CFLAGS $CFLAGS"
621 	LIBS="$LIBNCURSES_LIBS $LIBTINFO_LIBS $LIBPANELW_LIBS $LIBS"
622 else
623 	AC_CHECK_LIB(
624 		ncursesw,
625 		setupterm,
626 		found_ncurses=yes,
627 		found_ncurses=no
628 	)
629 	if test "x$found_ncurses" = xyes; then
630 		AC_CHECK_HEADER(
631 			ncurses.h,
632 			AM_CFLAGS="$LIBPANELW_CFLAGS $AM_CFLAGS"
633 			CFLAGS="$LIBPANEL_CFLAGS $CFLAGS"
634 			LIBS="$LIBS -lncursesw $LIBPANELW_LIBS",
635 			found_ncurses=no
636 		)
637 	fi
638 fi
639 if test "x$found_ncurses" = xyes; then
640 	AC_DEFINE(HAVE_NCURSES_H)
641 else
642 	# No ncurses, try curses.
643 	AC_CHECK_LIB(
644 		cursesw,
645 		setupterm,
646 		found_curses=yes,
647 		found_curses=no
648 	)
649 	AC_CHECK_HEADER(
650 		curses.h,
651 		,
652 		found_curses=no)
653 	if test "x$found_curses" = xyes; then
654 		AM_CFLAGS="$LIBPANELW_CFLAGS $AM_CFLAGS"
655 		CFLAGS="$LIBPANEL_CFLAGS $CFLAGS"
656 		LIBS="$LIBS -lcursesw $LIBPANELW_LIBS"
657 		AC_DEFINE(HAVE_CURSES_H)
658 	else
659 		AC_MSG_ERROR("curses not found")
660 	fi
661 fi
662 
663 # Save our CFLAGS/CPPFLAGS/LDFLAGS for the Makefile and restore the old user
664 # variables.
665 AC_SUBST(AM_CPPFLAGS)
666 CPPFLAGS="$SAVED_CPPFLAGS"
667 AC_SUBST(AM_CFLAGS)
668 CFLAGS="$SAVED_CFLAGS"
669 AC_SUBST(AM_LDFLAGS)
670 LDFLAGS="$SAVED_LDFLAGS"
671 
672 AC_CONFIG_FILES([Makefile
673 		 compat/Makefile
674 		 libexec/Makefile
675 		 libexec/got-read-tree/Makefile
676 		 libexec/got-fetch-pack/Makefile
677 		 libexec/got-index-pack/Makefile
678 		 libexec/got-read-blob/Makefile
679 		 libexec/got-read-commit/Makefile
680 		 libexec/got-read-gitconfig/Makefile
681 		 libexec/got-read-gotconfig/Makefile
682 		 libexec/got-read-object/Makefile
683 		 libexec/got-read-pack/Makefile
684 		 libexec/got-read-patch/Makefile
685 		 libexec/got-read-tag/Makefile
686 		 libexec/got-send-pack/Makefile
687 		 got/Makefile
688 		 gotadmin/Makefile
689 		 gotwebd/Makefile
690 		 tog/Makefile
691 		 Makefile.common:Makefile.common.in])
692 AC_OUTPUT
693 
694 executables="$(eval echo ${exec_prefix}/bin)"
695 helpers="$(eval echo ${libexecdir})"
696 manpages="$(eval echo ${mandir})"
697 
698 echo "
699 Configured got-portable with:
700 
701  Version:      $VERSION
702 
703  Prefix:       ${prefix}
704  Executables:  ${executables}
705  Helpers:      ${helpers}
706  Man pages:    ${manpages}
707 "