1 #!/bin/sh
2 #
3 # Copyright (c) 2021, 2022, 2023 Omar Polo <op@omarpolo.com>
4 # Copyright (c) 2011, 2013-2022 Ingo Schwarze <schwarze@openbsd.org>
5 # Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
6 #
7 # Permission to use, copy, modify, and distribute this software for any
8 # purpose with or without fee is hereby granted, provided that the above
9 # copyright notice and this permission notice appear in all copies.
10 #
11 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 
19 set -e
20 
21 RELEASE=no
22 VERSION=2.0-alpha1
23 
24 usage()
25 {
26 	echo "usage: $0 [--help] [--prefix=prefix] [OPTION=VALUE...]" >&2
27 	exit 1
28 }
29 
30 if command -v yacc 2>/dev/null >&2; then
31 	YACC=yacc
32 elif command -v bison 2>/dev/null >&2; then
33 	YACC=bison
34 else
35 	# assume yacc by default.  Make will fail building parse.y if
36 	# not from a release tarball, but at least it'll have a decent
37 	# error message.
38 	YACC=yacc
39 fi
40 
41 pkgconfig=
42 
43 CC=${CC:-cc}
44 
45 if [ "$RELEASE" = no ]; then
46 	CFLAGS=${CFLAGS:--O0 -g3}
47 else
48 	CFLAGS=${CFLAGS:--O2 -pipe}
49 fi
50 
51 INSTALL=${INSTALL-install}
52 PREFIX=${PREFIX-/usr/local}
53 
54 CDIAGFLAGS=
55 CDIAGFLAGS="${CDIAGFLAGS} -W -Wall -Wextra -Wpointer-arith -Wuninitialized"
56 CDIAGFLAGS="${CDIAGFLAGS} -Wstrict-prototypes -Wmissing-prototypes -Wunused"
57 CDIAGFLAGS="${CDIAGFLAGS} -Wsign-compare -Wno-unused-parameter" # -Wshadow
58 CDIAGFLAGS="${CDIAGFLAGS} -Wno-missing-field-initializers"
59 CDIAGFLAGS="${CDIAGFLAGS} -Wno-pointer-sign"
60 
61 LIBTLS=bundled # or system
62 if [ "$(uname || true)" = OpenBSD ]; then
63 	LIBTLS=system
64 fi
65 
66 while [ $# -gt 0 ]; do
67 	key="${1%%=*}"
68 	val="${1#*=}"
69 
70 	if [ "$key" = --help ]; then
71 		usage
72 	fi
73 
74 	if [ "$key" = -Werror ]; then
75 		CDIAGFLAGS="$CDIAGFLAGS -Werror"
76 		shift
77 		continue
78 	fi
79 
80 	if [ "$key" = --enable-sandbox ]; then
81 		key=DISABLE_SANDBOX
82 		val=0
83 	fi
84 
85 	if [ "$key" = --disable-sandbox ]; then
86 		key=DISABLE_SANDBOX
87 		val=1
88 	fi
89 
90 	if [ "$key" = "$1" ]; then
91 		# if no --xy=, look at the next arg
92 		if ! shift 2>/dev/null; then
93 			echo "$0: missing value for $key" >&2
94 			exit 1
95 		fi
96 		val="$1"
97 	fi
98 
99 	case "$key" in
100 	--bindir)	key=BINDIR ;;
101 	--mandir)	key=MANDIR ;;
102 	--prefix)	key=PREFIX ;;
103 	--with-libtls)	key=LIBTLS ;;
104 	esac
105 
106 	case "$key" in
107 	LIBTLS)
108 		case "$val" in
109 		bundled)	LIBTLS=bundled ;;
110 		system)		LIBTLS=system  ;;
111 		*)		usage ;;
112 		esac
113 		;;
114 	BINDIR)		BINDIR="$val" ;;
115 	CC)		CC="$val" ;;
116 	CFLAGS)		CFLAGS="$val" ;;
117 	CDIAGFLAGS)	CDIAGFLAGS="$val" ;;
118 	DISABLE_SANDBOX) DISABLE_SANDBOX="$val" ;;
119 	INSTALL)	INSTALL="$val" ;;
120 	LDFLAGS)	LDFLAGS="$val" ;;
121 	PKG_CONFIG)	PKG_CONFIG="$val" ;;
122 	PREFIX)		PREFIX="$val" ;;
123 	YACC)		YACC="$val" ;;
124 	*)		usage
125 	esac
126 
127 	shift
128 done
129 
130 [ -w config.log ] && mv config.log config.log.old
131 [ -w config.h   ] && mv config.h   config.h.old
132 
133 exec 3> config.log
134 echo "file config.log: writing..."
135 
136 NEED_GNU_SOURCE=0
137 NEED_OPENBSD_SOURCE=0
138 NEED_LIBBSD_OPENBSD_VIS=0
139 
140 COMPATS=
141 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
142 
143 # singletest name var extra-cflags extra-libs msg
144 singletest() {
145 	msg="$5"
146 	if [ -z "$msg" ]; then
147 		if [ -n "$3" ]; then
148 			msg=" ($3)"
149 		elif [ -n "$4" ]; then
150 			msg=" ($4)"
151 		fi
152 	elif [ "$msg" = no ]; then
153 		msg=""
154 	fi
155 
156 	cat >&3 <<EOF
157 ${1}: testing...
158 $COMP have/${1}.c $3 -o test-$1 $LDFLAGS $4
159 EOF
160 	if $COMP have/${1}.c $3 -o test-$1 $LDFLAGS $4 >&3 2>&3; then
161 		rm -f test-${1} test-${1}.d
162 
163 		echo "${1}: $CC$msg succeeded" >&3
164 		echo "${1}$msg: yes"
165 		echo >&3
166 
167 		return 0
168 	fi
169 
170 	echo "${1}: $CC$msg failed $?" >&3
171 	echo "${1}$msg: no"
172 	echo >&3
173 
174 	return 1
175 }
176 
177 # deptest name var
178 deptest() {
179 	if singletest "$1" "$2" "${CFLAGS}" "${LIBS}" no; then
180 		eval HAVE_${2}=1
181 		return 0
182 	fi
183 
184 	if [ -f compat/${1}.c ]; then
185 		COMPATS="compat/$1.c $COMPATS"
186 	fi
187 
188 	eval HAVE_${2}=0
189 	return 1
190 }
191 
192 # runtest name var extra-cflags extra-libs pkgconfig-name
193 runtest() {
194 	if singletest "$1" "$2" "" ""; then
195 		eval HAVE_${2}=1
196 		return 0
197 	fi
198 
199 	if [ -n "$3" -o -n "$4" ]; then
200 		echo "retrying with ${3+$3 }$4" >&3
201 		if singletest "$1" "$2" "$3" "$4"; then
202 			eval HAVE_${2}=1
203 			if [ "$3" = -D_GNU_SOURCE ]; then
204 				NEED_GNU_SOURCE=1
205 				return 0
206 			fi
207 			if [ "$4" = -D_OPENBSD_SOURCE ]; then
208 				NEED_OPENBSD_SOURCE=1
209 				return 0
210 			fi
211 			if [ "$4" = -DLIBBSD_OPENBSD_VIS ]; then
212 				NEED_LIBBSD_OPENBSD_VIS=1
213 				return 0
214 			fi
215 			if [ -n "$3" ]; then
216 				CFLAGS="$CFLAGS $3"
217 			fi
218 			if [ -n "$4" ]; then
219 				LIBS="$LIBS $4"
220 			fi
221 			return 0
222 		fi
223 	fi
224 
225 	if [ -n "$5" -a -n "$pkgconfig" ]; then
226 		if $pkgconfig $5; then
227 			cflags="$($pkgconfig --cflags $5)"
228 			ldflags="$($pkgconfig --libs $5)"
229 			echo "retrying with pkg-config" >&3
230 			if singletest "$1" "$2" "$cflags" "$ldflags"; then
231 				CFLAGS="$CFLAGS $cflags"
232 				LIBS="$LIBS $ldflags"
233 				eval HAVE_$2=1
234 				return 0
235 			fi
236 		fi
237 	fi
238 
239 	if [ -f compat/$1.c ]; then
240 		COMPATS="compat/$1.c $COMPATS"
241 	fi
242 
243 	eval HAVE_$2=0
244 	return 1
245 }
246 
247 if [ "$PKG_CONFIG" = no ]; then
248 	echo "pkg-config: disabled"
249 elif [ -n "$PKG_CONFIG" ]; then
250 	pkgconfig="$PKG_CONFIG"
251 	echo "pkg-config: (manual) $PKG_CONFIG"
252 elif command -v pkg-config 2>/dev/null >&2; then
253 	pkgconfig="pkg-config"
254 	echo "pkg-config: (auto) pkg-config"
255 else
256 	echo "pkg-config: not found"
257 fi
258 
259 if singletest noop MMD -MMD; then
260 	CFLAGS="${CFLAGS} -MMD"
261 fi
262 
263 if ! runtest wait_any WAIT_ANY; then
264 	CFLAGS="${CFLAGS} -DWAIT_ANY=-1"
265 fi
266 
267 HAVE_ENDIAN_H=0
268 HAVE_SYS_ENDIAN_H=0
269 HAVE_MACHINE_ENDIAN=0
270 
271 runtest endian_h	ENDIAN_H	|| \
272 runtest sys_endian_h	SYS_ENDIAN_H	|| \
273 runtest machine_endian	MACHINE_ENDIAN	|| true
274 
275 if [ ${HAVE_ENDIAN_H} -eq 0 -a \
276      ${HAVE_SYS_ENDIAN_H} -eq 0 -a \
277      ${HAVE_MACHINE_ENDIAN} -eq 0 ]; then
278 	echo "FATAL: no endian header found" 1>&2
279 	echo "FATAL: no endian header found" 1>&3
280 	exit 1
281 fi
282 
283 runtest arc4random	ARC4RANDOM	|| true
284 runtest arc4random_buf	ARC4RANDOM_BUF	|| true
285 runtest err		ERR		|| true
286 runtest explicit_bzero	EXPLICIT_BZERO	|| true
287 runtest freezero	FREEZERO	|| true
288 runtest getdtablecount	GETDTABLECOUNT	|| true
289 runtest getdtablesize	GETDTABLESIZE	|| true
290 runtest getprogname	GETPROGNAME	|| true
291 runtest imsg		IMSG		"" -lutil libimsg || true
292 runtest landlock	LANDLOCK	|| true
293 runtest libevent	LIBEVENT	"" -levent libevent_core|| true
294 runtest memmem		MEMMEM		-D_GNU_SOURCE || true
295 runtest openssl		OPENSSL		"" '-lcrypto -lssl' 'libcrypto libssl' || true
296 runtest pr_set_name	PR_SET_NAME	|| true
297 runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME -D_GNU_SOURCE || true
298 runtest queue_h		QUEUE_H		|| true
299 runtest reallocarray	REALLOCARRAY	-D_OPENBSD_SOURCE	|| true
300 runtest recallocarray	RECALLOCARRAY	|| true
301 runtest setproctitle	SETPROCTITLE	|| true
302 runtest setresgid	SETRESGID	-D_GNU_SOURCE || true
303 runtest setresuid	SETRESUID	-D_GNU_SOURCE || true
304 runtest strlcat		STRLCAT		|| true
305 runtest strlcpy		STRLCPY		|| true
306 runtest strtonum	STRTONUM	-D_OPENBSD_SOURCE	|| true
307 runtest timingsafe_memcmp TIMINGSAFE_MEMCMP || true
308 runtest tree_h		TREE_H		|| true
309 runtest vasprintf	VASPRINTF	-D_GNU_SOURCE || true
310 runtest vis		VIS		-DLIBBSD_OPENBSD_VIS	|| true
311 
312 if [ ${HAVE_ARC4RANDOM} -eq 1 -a ${HAVE_ARC4RANDOM_BUF} -eq 0 ]; then
313 	COMPATS="compat/arc4random.c ${COMPATS}"
314 fi
315 
316 if [ ${HAVE_ARC4RANDOM} -eq 0 ]; then
317 	runtest getentropy GETENTROPY || true
318 else
319 	# fake it
320 	HAVE_GETENTROPY=1
321 fi
322 
323 if [ ${HAVE_ARC4RANDOM} -eq 0 -a ${HAVE_GETENTROPY} -eq 1 ]; then
324 	COMPATS="compat/getentropy.c ${COMPATS}"
325 fi
326 
327 if [ "${LIBTLS}" = system ]; then
328 	runtest libtls	LIBTLS		"" -ltls libtls || true
329 
330 	# not actually needed
331 	HAVE_ASN1_TIME_TM_CMP=1
332 	HAVE_ASN1_TIME_TM_CLAMP_NOTAFTER=1
333 	HAVE_ASN1_TIME_PARSE=1
334 	HAVE_SSL_CTX_UCCM=1
335 	HAVE_SSL_CTX_LVM=1
336 	HAVE_X509_LOOKUP_MEM=1
337 else
338 	# use bundled one
339 	HAVE_LIBTLS=1
340 	for f in compat/libtls/*.c; do
341 		COMPATS="$f ${COMPATS}"
342 	done
343 
344 	CFLAGS="-Icompat/libtls -I../compat/libtls ${CFLAGS}"
345 
346 	deptest ASN1_time_tm_cmp ASN1_TIME_TM_CMP			|| true
347 	deptest ASN1_time_tm_clamp_notafter ASN1_TIME_TM_CLAMP_NOTAFTER	|| true
348 	deptest ASN1_time_parse ASN1_TIME_PARSE				|| true
349 	deptest SSL_CTX_use_certificate_chain_mem SSL_CTX_UCCM		|| true
350 	deptest SSL_CTX_load_verify_mem SSL_CTX_LVM			|| true
351 	deptest X509_LOOKUP_mem X509_LOOKUP_MEM				|| true
352 fi
353 
354 deptest libevent2	LIBEVENT2	|| true
355 
356 if [ ${HAVE_LIBTLS} -eq 0 ]; then
357 	echo "FATAL: openssl not found" 1>&2
358 	echo "FATAL: openssl not found" 1>&3
359 	exit 1
360 fi
361 
362 if [ ${HAVE_OPENSSL} -eq 0 ]; then
363 	echo "FATAL: openssl not found" 1>&2
364 	echo "FATAL: openssl not found" 1>&3
365 	exit 1
366 fi
367 
368 if [ ${HAVE_LIBEVENT} -eq 0 ]; then
369 	echo "FATAL: libevent not found" 1>&2
370 	echo "FATAL: libevent not found" 1>&3
371 	exit 1
372 fi
373 
374 if [ ${HAVE_IMSG} -eq 0 ]; then
375 	# compat/imsg.c is implicitly added
376 	COMPATS="$COMPATS compat/imsg-buffer.c"
377 fi
378 
379 if [ ${HAVE_QUEUE_H} -eq 0 -o ${HAVE_IMSG} -eq 0 -o ${HAVE_TREE_H} -eq 0 ]; then
380 	CFLAGS="${CFLAGS} -I ${PWD}/compat"
381 fi
382 
383 if [ ${HAVE_VIS} -eq 0 ]; then
384 	CFLAGS="${CFLAGS} -I ${PWD}/compat/vis"
385 fi
386 
387 if [ $HAVE_LIBEVENT2 -eq 1 ]; then
388 	CFLAGS="$CFLAGS -DHAVE_LIBEVENT2=1"
389 fi
390 
391 if [ $NEED_GNU_SOURCE = 1 ]; then
392 	CFLAGS="$CFLAGS -D_GNU_SOURCE"
393 fi
394 if [ $NEED_OPENBSD_SOURCE = 1 ]; then
395 	CFLAGS="$CFLAGS -D_OPENBSD_SOURCE"
396 fi
397 if [ $NEED_LIBBSD_OPENBSD_VIS = 1 ]; then
398 	CFLAGS="$CFLAGS -DLIBBSD_OPENBSD_VIS"
399 fi
400 
401 CFLAGS="-I. ${CFLAGS} ${CDIAGFLAGS}"
402 
403 exec > config.h
404 echo "config.h: writing.." >&2
405 
406 cat <<__HEREDOC__
407 #ifdef __cplusplus
408 #error "Do not use C++."
409 #endif
410 __HEREDOC__
411 
412 [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 -o ${HAVE_IMSG} -eq 0 ] \
413 	&& echo "#include <sys/types.h>"
414 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
415 
416 if [ ${HAVE_QUEUE_H} -eq 1 ]; then
417 	echo "#include <sys/queue.h>"
418 else
419 	echo "#include <queue.h>"
420 fi
421 
422 if [ ${HAVE_TREE_H} -eq 1 ]; then
423 	echo "#include <sys/tree.h>"
424 else
425 	echo "#include <tree.h>"
426 fi
427 
428 echo "#include <sys/types.h>"
429 echo "#include <sys/uio.h>"
430 echo "#include <stdint.h>"
431 echo "#include <imsg.h>"
432 echo "#include <limits.h>"
433 
434 cat <<__HEREDOC__
435 
436 #define VERSION			"${VERSION}"
437 #define DISABLE_SANDBOX		${DISABLE_SANDBOX}
438 #define HAVE_LANDLOCK		${HAVE_LANDLOCK}
439 
440 __HEREDOC__
441 
442 if [ ${HAVE_ENDIAN_H} -eq 1 ]; then
443 	echo "#include <endian.h>"
444 elif [ ${HAVE_SYS_ENDIAN_H} -eq 1 ]; then
445 	echo "#include <sys/endian.h>"
446 elif [ ${HAVE_MACHINE_ENDIAN} -eq 1 ]; then
447 	cat <<__HEREDOC__
448 #include <machine/endian.h>
449 #include <libkern/OSByteOrder.h>
450 #define htobe16(x) OSSwapHostToBigInt16(x)
451 #define htobe32(x) OSSwapHostToBigInt32(x)
452 #define htobe64(x) OSSwapHostToBigInt64(x)
453 __HEREDOC__
454 fi
455 
456 [ ${HAVE_ARC4RANDOM_BUF} -eq 0 -o \
457   ${HAVE_ASN1_TIME_PARSE} -eq 0 -o \
458   ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
459   ${HAVE_FREEZERO} -eq 0 -o \
460   ${HAVE_GETENTROPY} -eq 0 -o \
461   ${HAVE_REALLOCARRAY} -eq 0 -o \
462   ${HAVE_RECALLOCARRAY} -eq 0 -o \
463   ${HAVE_STRLCAT} -eq 0 -o \
464   ${HAVE_STRLCPY} -eq 0 -o \
465   ${HAVE_STRTONUM} -eq 0 -o \
466   ${HAVE_TIMINGSAFE_MEMCMP} -eq 0 ] && echo "#include <stddef.h>"
467 
468 [ ${HAVE_ARC4RANDOM} -eq 0 ] && echo "#include <stdint.h>"
469 
470 [ ${HAVE_SETRESGID} -eq 0 -o \
471   ${HAVE_SETRESUID} -eq 0 ] && echo "#include <unistd.h>"
472 
473 if [ ${HAVE_GETENTROPY} -eq 1 ]; then
474 	echo "#define HAVE_GETENTROPY 1"
475 else
476 	echo "#define WITH_OPENSSL 1"
477 	echo "#define OPENSSL_PRNG_ONLY 1"
478 fi
479 
480 if [ ${HAVE_ARC4RANDOM} -eq 0 ]; then
481 	echo "extern	uint32_t arc4random(void);"
482 else
483 	echo "#define HAVE_ARC4RANDOM 1"
484 fi
485 if [ ${HAVE_ARC4RANDOM_BUF} -eq 0 ]; then
486 	echo "extern	void	 arc4random_buf(void *, size_t);"
487 else
488 	echo "#define HAVE_ARC4RANDOM_BUF 1"
489 fi
490 
491 if [ ${HAVE_ASN1_TIME_TM_CMP} -eq 0 ]; then
492 	echo "struct tm;"
493 	echo "extern	int	ASN1_time_tm_cmp(struct tm *, struct tm *);"
494 else
495 	echo "#define HAVE_ASN1_TIME_TM_CMP 1"
496 fi
497 
498 if [ ${HAVE_ASN1_TIME_TM_CLAMP_NOTAFTER} -eq 0 ]; then
499 	echo "struct tm;"
500 	echo "extern	int	ASN1_time_tm_clamp_notafter(struct tm *);"
501 else
502 	echo "#define HAVE_ASN1_TIME_TM_CLAMP_NOTAFTER 1"
503 fi
504 
505 if [ ${HAVE_ASN1_TIME_PARSE} -eq 0 ]; then
506 	echo "struct tm;"
507 	echo "extern	int	ASN1_time_parse(const char *, size_t, struct tm *, int);"
508 else
509 	echo "#define HAVE_ASN1_TIME_PARSE 1"
510 fi
511 
512 if [ ${HAVE_ERR} -eq 0 ]; then
513 	echo "extern	void	 err(int, const char*, ...);"
514 	echo "extern	void	 errx(int, const char*, ...);"
515 	echo "extern	void	 warn(const char*, ...);"
516 	echo "extern	void	 warnx(const char*, ...);"
517 else
518 	echo "#include <err.h>"
519 fi
520 if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
521 	echo "extern	void	 explicit_bzero(void*, size_t);"
522 fi
523 if [ ${HAVE_FREEZERO} -eq 0 ]; then
524 	echo "extern	void	 freezero(void*, size_t);"
525 fi
526 if [ ${HAVE_GETDTABLECOUNT} -eq 0 ]; then
527 	echo "extern	int	 getdtablecount(void);"
528 fi
529 if [ ${HAVE_GETDTABLESIZE} -eq 0 ]; then
530 	echo "extern	int	 getdtablesize(void);"
531 fi
532 if [ ${HAVE_GETENTROPY} -eq 0 ]; then
533 	echo "extern	int	 getentropy(void *, size_t);"
534 fi
535 if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
536 	echo "extern	const char *getprogname(void);"
537 fi
538 if [ ${HAVE_MEMMEM} -eq 0 ]; then
539 	echo "extern void *memmem(const void *, size_t, const void *, size_t);"
540 fi
541 if [ ${HAVE_REALLOCARRAY} -eq 0 ]; then
542 	echo "extern	void	*reallocarray(void*, size_t, size_t);"
543 fi
544 if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
545 	echo "extern	void	*recallocarray(void*, size_t, size_t, size_t);"
546 fi
547 if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
548 	echo "extern	void	 setproctitle(const char *fmt, ...);"
549 fi
550 if [ ${HAVE_SETRESGID} -eq 0 ]; then
551 	echo "extern	int	 setresgid(gid_t, gid_t, gid_t);"
552 fi
553 if [ ${HAVE_SETRESUID} -eq 0 ]; then
554 	echo "extern	int	 setresuid(uid_t, uid_t, uid_t);"
555 fi
556 if [ ${HAVE_STRLCAT} -eq 0 ]; then
557 	echo "extern	size_t	 strlcat(char*, const char*, size_t);"
558 fi
559 if [ ${HAVE_STRLCPY} -eq 0 ]; then
560 	echo "extern	size_t	 strlcpy(char*, const char*, size_t);"
561 fi
562 if [ ${HAVE_STRTONUM} -eq 0 ]; then
563 	echo "extern	long long strtonum(const char*, long long, long long, const char**);"
564 fi
565 if [ ${HAVE_TIMINGSAFE_MEMCMP} -eq 0 ]; then
566 	echo "extern	int	timingsafe_memcmp(const void *, const void *, size_t);"
567 fi
568 if [ ${HAVE_VASPRINTF} -eq 0 ]; then
569 	echo "extern	int	 vasprintf(char**, const char*, va_list);"
570 fi
571 
572 if [ ${HAVE_ASN1_TIME_TM_CMP} -eq 0 ]; then
573 	echo "#include <openssl/asn1.h>"
574 	echo "struct tm;"
575 	echo "int ASN1_time_tm_cmp(struct tm *, struct tm *);"
576 else
577 	echo "#define HAVE_ASN1_TIME_TM_CMP 1"
578 fi
579 
580 if [ ${HAVE_SSL_CTX_UCCM} -eq 0 -o ${HAVE_SSL_CTX_LVM} -eq 0 ]; then
581 	echo "#include <openssl/ssl.h>"
582 fi
583 
584 if [ ${HAVE_SSL_CTX_UCCM} -eq 0 ]; then
585 	echo "int SSL_CTX_use_certificate_chain_mem(SSL_CTX *, void *, int);"
586 else
587 	echo "#define HAVE_SSL_CTX_USE_CERTIFICATE_CHAIN_MEM 1"
588 fi
589 
590 if [ ${HAVE_SSL_CTX_LVM} -eq 0 ]; then
591 	echo "int SSL_CTX_load_verify_mem(SSL_CTX *, void *, int);"
592 else
593 	echo "#define HAVE_SSL_CTX_LOAD_VERIFY_MEM 1"
594 fi
595 
596 if [ ${HAVE_X509_LOOKUP_MEM} -eq 0 ]; then
597 	echo "#include <openssl/x509_vfy.h>"
598 	echo "X509_LOOKUP_METHOD *X509_LOOKUP_mem(void);"
599 else
600 	echo "#define HAVE_X509_LOOKUP_MEM 1"
601 fi
602 
603 cat <<__HEREDOC__
604 
605 #ifndef __dead
606 #define __dead __attribute__((noreturn))
607 #endif
608 
609 /* Linux and OpenBSD have LOGIN_NAME_MAX, FreeBSD MAXLOGNAME. */
610 #ifndef LOGIN_NAME_MAX
611 # if defined(MAXLOGNAME)
612 #  define LOGIN_NAME_MAX MAXLOGNAME
613 # elif defined(_POSIX_LOGIN_NAME_MAX)
614 #  define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX
615 # else
616 #  define LOGIN_NAME_MAX 32
617 # endif
618 #endif
619 
620 #ifndef HOST_NAME_MAX
621 # if defined(_POSIX_HOST_NAME_MAX)
622 #  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
623 # else
624 #  define HOST_NAME_MAX 255
625 # endif
626 #endif
627 __HEREDOC__
628 
629 echo "file config.h: written" 1>&2
630 echo "file config.h: written" 1>&3
631 
632 exec > config.mk
633 
634 [ -z "${BINDIR}" ] && BINDIR="\${PREFIX}/bin"
635 [ -z "${MANDIR}" ] && MANDIR="\${PREFIX}/man"
636 
637 cat << __HEREDOC__
638 CC		= ${CC}
639 CFLAGS		= ${CFLAGS}
640 LDFLAGS		= ${LDFLAGS}
641 LIBS		= ${LIBS}
642 YACC		= ${YACC}
643 STATIC		= ${STATIC}
644 PREFIX		= ${PREFIX}
645 BINDIR		= ${BINDIR}
646 MANDIR		= ${MANDIR}
647 
648 INSTALL		= ${INSTALL}
649 INSTALL_PROGRAM	= \${INSTALL} -m 0555
650 INSTALL_LIB	= \${INSTALL} -m 0444
651 INSTALL_MAN	= \${INSTALL} -m 0444
652 INSTALL_DATA	= \${INSTALL} -m 0444
653 
654 COMPATS=	${COMPATS}
655 
656 VERSION		= ${VERSION}
657 
658 __HEREDOC__
659 
660 echo "file config.mk: written" 1>&2
661 echo "file config.mk: written" 1>&3
662 
663 echo >&2
664 echo "Now run \`make' to compile." >&2
665 echo >&2
666 
667 exit 0