1 #! /bin/sh
2 #
3 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
4 # Copyright (c) 2017, 2018 Kristaps Dzonsons <kristaps@bsd.lv>
5 # Copyright (c) 2022 Omar Polo <op@omarpolo.com>
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 OCONFIGURE_VERSION="0.3.8"
20 
21 #
22 # This script outputs two files: config.h and Makefile.configure.
23 # It tries to read from configure.local, which contains predefined
24 # values we won't autoconfigure.
25 #
26 # If you want to use configure with your project, have your GNUmakefile
27 # or BSDmakefile---whichever---try to import/include Makefile.configure
28 # at the beginning of the file.
29 #
30 # Like so (note no quotes, no period, etc.):
31 #
32 #   include Makefile.configure
33 #
34 # If it exists, configure was run; otherwise, it wasn't.
35 #
36 # You'll probably want to change parts of this file.  I've noted the
37 # parts that you'll probably change in the section documentation.
38 #
39 # See https://github.com/kristapsdz/oconfigure for more.
40 
41 set -e
42 
43 # try to be helpful
44 case "$1" in
45 --help|-h)
46 	cat <<EOF
47 \`configure' configures lstun to adapt to many kinds of systems.
48 
49 Usage: $0 [-h] [--prefix=path] [VAR=VALUE]...
50 
51 The options are as follows:
52 
53     -h, --help     print this help message
54 
55     --prefix=path  equivalent to specifying the PREFIX variable, supported
56                    for compatibility with other common "configure" scripts.
57 
58 Variables available:
59 
60     SSH_PROG               absolute path to the ssh(1) binary
61     LDADD                  generic linker flags
62     LDADD_LIBEVENT         linker flags for libevent
63     LDADD_LIBEVENT2        linker flags for libevent2
64     LDADD_LIBSOCKET        linker flags for libsocket
65     LDFLAGS                extra linker flags
66     CPPFLAGS               C preprocessors flags
67     DESTDIR                destination directory
68     PREFIX                 where to install files
69     MANDIR                 where to install man pages (PREFIX/man)
70     LIBDIR                 where to install libraries (PREFIX/lib)
71     BINDIR                 where to install executables (PREFIX/bin)
72     SHAREDIR               where to install misc files (PREFIX/share)
73     SBINDIR                where to install system executables (PREFIX/sbin)
74     INCLUDEDIR             where to install header files (PREFIX/include)
75     PKG_CONFIG             path to the pkg-config program or \`false'
76 
77 Additionally, the following environment variables are used if set:
78 
79     CC        the C compiler to use (defaults to cc, clang or gcc)
80     CFLAGS    generic C compiler flags
81 
82 EOF
83 	exit 0 ;;
84 esac
85 
86 #----------------------------------------------------------------------
87 # Prepare for running: move aside previous configure runs.
88 # Output file descriptor usage:
89 #  1 (stdout): config.h or Makefile.configure
90 #  2 (stderr): original stderr, usually to the console
91 #  3: config.log
92 # You DO NOT want to change this.
93 #----------------------------------------------------------------------
94 
95 [ -w config.log ] && mv config.log config.log.old
96 [ -w config.h   ] && mv config.h config.h.old
97 
98 exec 3> config.log
99 echo "config.log: writing..."
100 
101 # GNU submake prints different output if invoked recursively, which
102 # messes up CC and CFLAGS detection.  Pass --no-print-directory if
103 # we have a MAKELEVEL (GNU and FreeBSD make) and the argument is
104 # allowed.
105 
106 MAKE_FLAGS=""
107 
108 if [ -n "${MAKELEVEL}" ]; then
109 	if [ "${MAKELEVEL}" -gt 0 ] ; then
110 		MAKE_FLAGS="--no-print-directory"
111 		echo "all:" | make ${MAKE_FLAGS} -sf - 2>/dev/null || MAKE_FLAGS=""
112 	fi
113 fi
114 
115 if [ -n "$MAKE_FLAGS" ]; then
116 	echo "GNU submake detected: using --no-print-directory" 1>&2
117 	echo "GNU submake detected: using --no-print-directory" 1>&3
118 fi
119 
120 #----------------------------------------------------------------------
121 # Initialize all variables here such that nothing can leak in from the
122 # environment except for CC and CFLAGS, which we might have passed in.
123 #----------------------------------------------------------------------
124 
125 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make ${MAKE_FLAGS} -sf -`
126 CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
127 CFLAGS="${CFLAGS} -g -W -Wall -Wmissing-prototypes -Wstrict-prototypes"
128 CFLAGS="${CFLAGS} -Wmissing-declarations -Wno-unused-parameter"
129 CFLAGS="${CFLAGS} -Wno-sign-compare"
130 LDADD=
131 LDADD_LIBEVENT=
132 LDADD_LIBEVENT2=
133 LDADD_LIB_SOCKET=
134 LDADD_STATIC=
135 CPPFLAGS=
136 LDFLAGS=
137 DESTDIR=
138 PREFIX="/usr/local"
139 BINDIR=
140 SBINDIR=
141 INCLUDEDIR=
142 LIBDIR=
143 MANDIR=
144 SHAREDIR=
145 INSTALL="install"
146 INSTALL_PROGRAM=
147 INSTALL_LIB=
148 INSTALL_MAN=
149 INSTALL_DATA=
150 PKG_CONFIG=
151 SSH_PROG=
152 
153 # SunOS sets "cc", but this doesn't exist.
154 # It does have gcc, so try that instead.
155 # Prefer clang, though.
156 
157 command -v ${CC} 2>/dev/null 1>&2 || {
158 	echo "${CC} not found: trying clang" 1>&2
159 	echo "${CC} not found: trying clang" 1>&3
160 	CC=clang
161 	command -v ${CC} 2>/dev/null 1>&2 || {
162 		echo "${CC} not found: trying gcc" 1>&2
163 		echo "${CC} not found: trying gcc" 1>&3
164 		CC=gcc
165 		command -v ${CC} 2>/dev/null 1>&2 || {
166 			echo "gcc not found: giving up" 1>&2
167 			echo "gcc not found: giving up" 1>&3
168 			exit 1
169 		}
170 	}
171 }
172 
173 #----------------------------------------------------------------------
174 # Allow certain variables to be overriden on the command line.
175 #----------------------------------------------------------------------
176 
177 while [ $# -gt 0 ]; do
178 	key=${1%%=*}
179 	val=${1#*=}
180 
181 	if [ "$key" = "--prefix" ]; then
182 		key=PREFIX
183 		if [ "$1" = "--prefix" ]; then
184 			if ! shift 2>&1 >/dev/null; then
185 				echo "$0: missing value for --prefix" 1>&2
186 				exit 1
187 			fi
188 			val="$1"
189 		fi
190 	fi
191 
192 	if [ "$1" = "$key" ]; then
193 		echo "$0: invalid key-value: $1" 1>&2
194 		exit 1
195 	fi
196 
197 	shift
198 
199 	case "$key" in
200 	LDADD)
201 		LDADD="$val" ;;
202 	LDADD_LIBEVENT)
203 		LDADD_LIBEVENT="$val" ;;
204 	LDADD_LIBEVENT2)
205 		LDADD_LIBEVENT2="$val" ;;
206 	LDADD_LIBSOCKET)
207 		LDADD_LIBSOCKET="$val" ;;
208 	LDFLAGS)
209 		LDFLAGS="$val" ;;
210 	CPPFLAGS)
211 		CPPFLAGS="$val" ;;
212 	DESTDIR)
213 		DESTDIR="$val" ;;
214 	PREFIX)
215 		PREFIX="$val" ;;
216 	MANDIR)
217 		MANDIR="$val" ;;
218 	LIBDIR)
219 		LIBDIR="$val" ;;
220 	BINDIR)
221 		BINDIR="$val" ;;
222 	SHAREDIR)
223 		SHAREDIR="$val" ;;
224 	SBINDIR)
225 		SBINDIR="$val" ;;
226 	INCLUDEDIR)
227 		INCLUDEDIR="$val" ;;
228 	PKG_CONFIG)
229 		PKG_CONFIG="$val" ;;
230 	SSH_PROG)
231 		SSH_PROG="$val" ;;
232 	*)
233 		echo "$0: invalid key: $key" 1>&2
234 		exit 1
235 	esac
236 done
237 
238 test -z "${PKG_CONFIG}" && {
239 	command -v pkg-config 2>/dev/null >&2 && {
240 		PKG_CONFIG="$(command -v pkg-config)"
241 		echo "found pkg-config: $PKG_CONFIG" 1>&2
242 		echo "found pkg-config: $PKG_CONFIG" 1>&3
243 	} || {
244 		PKG_CONFIG=false
245 		echo "pkg-config not found" 1>&2
246 		echo "pkg-config not found" 1>&3
247 	}
248 }
249 
250 test -z "${SSH_PROG}" && {
251 	command -v ssh 2>/dev/null 1>&2 && {
252 		SSH_PROG="$(command -v ssh)"
253 		echo "found ssh: $SSH_PROG" 1>&2
254 		echo "found ssh: $SSH_PROG" 1>&3
255 	} || {
256 		echo "ssh not found: giving up" >&2
257 		echo "ssh not found: giving up" >&3
258 		exit 1
259 	}
260 }
261 
262 
263 #----------------------------------------------------------------------
264 # These are the values that will be pushed into config.h after we test
265 # for whether they're supported or not.
266 # Each of these must have a runtest(), below.
267 # Please sort by alpha, for clarity.
268 # You WANT to change this.
269 #----------------------------------------------------------------------
270 
271 HAVE_GETEXECNAME=
272 HAVE_GETPROGNAME=
273 HAVE_LIBEVENT=
274 HAVE_LIBEVENT2=
275 HAVE_PLEDGE=
276 HAVE_PROGRAM_INVOCATION_SHORT_NAME=
277 HAVE_PR_SET_NAME=
278 HAVE_SO_SPLICE=
279 HAVE_STRLCAT=
280 HAVE_STRLCPY=
281 HAVE_STRTONUM=
282 HAVE_UNVEIL=
283 HAVE___PROGNAME=
284 
285 #----------------------------------------------------------------------
286 # Allow configure.local to override all variables, default settings,
287 # command-line arguments, and tested features, above.
288 # You PROBABLY DO NOT want to change this.
289 #----------------------------------------------------------------------
290 
291 if [ -r ./configure.local ]; then
292 	echo "configure.local: reading..." 1>&2
293 	echo "configure.local: reading..." 1>&3
294 	cat ./configure.local 1>&3
295 	. ./configure.local
296 else
297 	echo "configure.local: no (fully automatic configuration)" 1>&2
298 	echo "configure.local: no (fully automatic configuration)" 1>&3
299 fi
300 
301 echo 1>&3
302 
303 #----------------------------------------------------------------------
304 # Infrastructure for running tests.
305 # These consists of a series of functions that will attempt to run the
306 # given test file and record its exit into a HAVE_xxx variable.
307 # You DO NOT want to change this.
308 #----------------------------------------------------------------------
309 
310 COMP="${CC} ${CFLAGS} ${CPPFLAGS} -Wno-unused -Werror"
311 
312 # Check whether this HAVE_ setting is manually overridden.
313 # If yes, use the override, if no, do not decide anything yet.
314 # Arguments: lower-case test name, manual value
315 
316 ismanual() {
317 	[ -z "${3}" ] && return 1
318 	echo "${1}: manual (HAVE_${2}=${3})" 1>&2
319 	echo "${1}: manual (HAVE_${2}=${3})" 1>&3
320 	echo 1>&3
321 	return 0
322 }
323 
324 # Run a single autoconfiguration test.
325 # In case of success, enable the feature.
326 # In case of failure, do not decide anything yet.
327 # Arguments: lower-case test name, upper-case test name, additional
328 # CFLAGS, additional LIBS.
329 
330 singletest() {
331 	extralib=""
332 	pkgcfs=""
333 	pkglib=""
334 
335 	cat 1>&3 <<EOF
336 ${1}: testing...
337 ${COMP} -DTEST_${2} ${3} -o test-${1} tests.c ${LDFLAGS} ${4}
338 EOF
339 	if ${COMP} -DTEST_${2} ${3} -o "test-${1}" tests.c ${LDFLAGS} ${4} 1>&3 2>&3; then
340 		echo "${1}: ${CC} succeeded" 1>&3
341 	else
342 		if [ -n "${5}" ] ; then
343 			echo "${1}: ${CC} failed with $? (retrying)" 1>&3
344 			cat 1>&3 <<EOF
345 ${1}: testing...
346 ${COMP} -DTEST_${2} ${3} -o test-${1} tests.c ${LDFLAGS} ${5}
347 EOF
348 			if ${COMP} -DTEST_${2} ${3} -o "test-${1}" tests.c ${LDFLAGS} ${5} 1>&3 2>&3; then
349 				echo "${1}: ${CC} succeeded" 1>&3
350 				extralib="(with ${5})"
351 			else
352 				test -n "${6}" && ${PKG_CONFIG} "$6"
353 				if [ $? -eq 0 ]; then
354 					echo "${1}: ${CC} failed with $? (retrying)" 1>&3
355 					pkgcfs=$($PKG_CONFIG --cflags "${6}")
356 					pkglib=$($PKG_CONFIG --libs "${6}")
357 					cat 1>&3 <<EOF
358 ${1}: testing...
359 ${COMP} -DTEST_${2} ${3} ${pkgcfs} -o test-${1} tests.c ${LDFLAGS} ${pkglib}
360 EOF
361 					if ${COMP} -DTEST_${2} ${3} ${pkgcfs} -o test-${1} tests.c ${LDFLAGS} ${pkglib} 1>&3 2>&3; then
362 						echo "${1}: ${CC} succeeded" 1>&3
363 						extralib="(with ${pkgcfs} ${pkglib})"
364 					else
365 						echo "${1}: ${CC} failed with $?" 1>&3
366 						echo 1>&3
367 						return 1
368 					fi
369 				else
370 					echo "${1}: ${CC} failed with $?" 1>&3
371 					echo 1>&3
372 					return 1
373 				fi
374 			fi
375 		else
376 			echo "${1}: ${CC} failed with $?" 1>&3
377 			echo 1>&3
378 			return 1
379 		fi
380 	fi
381 
382 	rm -f test-${1}.d
383 
384 	if [ -n "${pkgcfs}" -o -n "${pkglib}" ]
385 	then
386 		CFLAGS="${CFLAGS} ${pkgcfs}"
387 		eval "LDADD_${2}=\"${pkglib}\""
388 	elif [ -n "${extralib}" ]
389 	then
390 		eval "LDADD_${2}=\"${5}\""
391 	elif [ -n "${4}" ]
392 	then
393 		eval "LDADD_${2}=\"${4}\""
394 	fi
395 
396 	echo "${1}: yes ${extralib}" 1>&2
397 	echo "${1}: yes ${extralib}" 1>&3
398 	echo 1>&3
399 	eval HAVE_${2}=1
400 	rm "test-${1}"
401 	return 0
402 }
403 
404 # Run a complete autoconfiguration test, including the check for
405 # a manual override and disabling the feature on failure.
406 # Arguments: lower case name, upper case name, additional CFLAGS,
407 # additional LDADD, alternative LDADD, pkg-config name.
408 
409 runtest() {
410 	eval _manual=\${HAVE_${2}}
411 	ismanual "${1}" "${2}" "${_manual}" && return 0
412 	singletest "${1}" "${2}" "${3}" "${4}" "${5}" "${6}" && return 0
413 	echo "${1}: no" 1>&2
414 	eval HAVE_${2}=0
415 	return 1
416 }
417 
418 #----------------------------------------------------------------------
419 # Begin running the tests themselves.
420 # All of your tests must be defined here.
421 # Please sort as the HAVE_xxxx values were defined.
422 # You WANT to change this.
423 # It consists of the following columns:
424 #    runtest
425 #    (1) test file
426 #    (2) macro to set
427 #    (3) argument to cc *before* -o
428 #    (4) argument to cc *after*
429 #    (5) alternative argument to cc *after*
430 #    (6) name for pkg-config auto-discovery
431 #----------------------------------------------------------------------
432 
433 if runtest -MMD _MMD -MMD; then
434 	CFLAGS="${CFLAGS} -MMD"
435 	echo "adding -MMD to CFLAGS" 1>&2
436 	echo "adding -MMD to CFLAGS" 1>&3
437 fi
438 
439 runtest getexecname	GETEXECNAME			  || true
440 runtest getprogname	GETPROGNAME			  || true
441 
442 runtest libevent	LIBEVENT "" "" "-levent"	  || \
443 runtest libevent2	LIBEVENT2 "" "" "-levent_extra -levent_core" "libevent" || true
444 
445 runtest lib_socket	LIB_SOCKET "" "" "-lsocket -lnsl" || true
446 runtest pledge		PLEDGE				  || true
447 runtest program_invocation_short_name	PROGRAM_INVOCATION_SHORT_NAME || true
448 runtest PR_SET_NAME	PR_SET_NAME			  || true
449 runtest SO_SPLICE	SO_SPLICE			  || true
450 runtest static		STATIC "" "-static"		  || true
451 runtest strlcat		STRLCAT				  || true
452 runtest strlcpy		STRLCPY				  || true
453 runtest strtonum	STRTONUM			  || true
454 runtest unveil		UNVEIL				  || true
455 runtest __progname	__PROGNAME			  || true
456 
457 if [ "${HAVE_LIBEVENT}" -eq 0 -a "${HAVE_LIBEVENT2:-0}" -eq 0 ]; then
458 	echo "Fatal: missing libevent" 1>&2
459 	echo "Fatal: missing libevent" 1>&3
460 	exit 1
461 fi
462 
463 #----------------------------------------------------------------------
464 # Output writing: generate the config.h file.
465 # This file contains all of the HAVE_xxxx variables necessary for
466 # compiling your source.
467 # You must include "config.h" BEFORE any other variables.
468 # You WANT to change this.
469 #----------------------------------------------------------------------
470 
471 exec > config.h
472 
473 # Start with prologue.
474 
475 cat <<EOF
476 #ifndef OCONFIGURE_CONFIG_H
477 #define OCONFIGURE_CONFIG_H
478 
479 #ifdef __cplusplus
480 # error "Do not use C++: this is a C application."
481 #endif
482 #if !defined(__GNUC__) || (__GNUC__ < 4)
483 # define __attribute__(x)
484 #endif
485 #if defined(__linux__) || defined(__MINT__)
486 # define _GNU_SOURCE /* memmem, memrchr, setresuid... */
487 # define _DEFAULT_SOURCE /* le32toh, crypt, ... */
488 #endif
489 #if defined(__NetBSD__)
490 # define _OPENBSD_SOURCE /* reallocarray, etc. */
491 #endif
492 #if defined(__sun)
493 # ifndef _XOPEN_SOURCE /* SunOS already defines */
494 #  define _XOPEN_SOURCE /* XPGx */
495 # endif
496 # define _XOPEN_SOURCE_EXTENDED 1 /* XPG4v2 */
497 # ifndef __EXTENSIONS__ /* SunOS already defines */
498 #  define __EXTENSIONS__ /* reallocarray, etc. */
499 # endif
500 #endif
501 #if !defined(__BEGIN_DECLS)
502 # define __BEGIN_DECLS
503 #endif
504 #if !defined(__END_DECLS)
505 # define __END_DECLS
506 #endif
507 
508 EOF
509 
510 # This is just for size_t, mode_t, and dev_t.
511 # Most of these functions, in the real world, pull in <string.h> or
512 # someting that pulls in support for size_t.
513 # Our function declarations are standalone, so specify them here.
514 
515 if [ ${HAVE_STRLCAT} -eq 0 -o \
516      ${HAVE_STRLCPY} -eq 0 ]
517 then
518 	echo "#include <sys/types.h> /* size_t, mode_t, dev_t */ "
519 	echo
520 fi
521 
522 if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
523 	echo "#include <stdlib.h>"
524 	echo
525 fi
526 
527 if [ ${HAVE_PLEDGE} -eq 0 -o ${HAVE_UNVEIL} -eq 0 ]; then
528 	echo "#include <unistd.h>"
529 	echo
530 fi
531 
532 if [ ${HAVE_LIBEVENT2:-0} -eq 1 ]; then
533 	cat <<EOF
534 #include <event2/event.h>
535 #include <event2/event_compat.h>
536 #include <event2/event_struct.h>
537 #include <event2/buffer.h>
538 #include <event2/buffer_compat.h>
539 #include <event2/bufferevent.h>
540 #include <event2/bufferevent_struct.h>
541 #include <event2/bufferevent_compat.h>
542 EOF
543 fi
544 
545 if [ ${HAVE_LIBEVENT} -eq 1 ]; then
546 	cat <<EOF
547 #include <event.h>
548 EOF
549 fi
550 
551 # Now we handle our HAVE_xxxx values.
552 # Most will just be defined as 0 or 1.
553 
554 cat <<EOF
555 
556 /*
557  * Results of configuration feature-testing.
558  */
559 #define HAVE_GETEXECNAME ${HAVE_GETEXECNAME}
560 #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
561 #define HAVE_PLEDGE ${HAVE_PLEDGE}
562 #define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
563 #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
564 #define HAVE_SO_SPLICE ${HAVE_SO_SPLICE}
565 #define HAVE_STRLCAT ${HAVE_STRLCAT}
566 #define HAVE_STRLCPY ${HAVE_STRLCPY}
567 #define HAVE_STRTONUM ${HAVE_STRTONUM}
568 #define HAVE_UNVEIL ${HAVE_UNVEIL}
569 #define HAVE___PROGNAME ${HAVE___PROGNAME}
570 
571 /* Now we do our function declarations for missing functions. */
572 
573 #if !HAVE_GETPROGNAME
574 extern const char *getprogname(void);
575 #endif
576 
577 #if !HAVE_PLEDGE
578 # define pledge(a, b) (0)
579 #endif
580 
581 #if !HAVE_STRLCAT
582 extern size_t strlcat(char *, const char *, size_t);
583 #endif
584 
585 #if !HAVE_STRLCPY
586 extern size_t strlcpy(char *, const char *, size_t);
587 #endif
588 
589 #if !HAVE_STRTONUM
590 extern long long strtonum(const char *, long long, long long, const char **);
591 #endif
592 
593 #if !HAVE_UNVEIL
594 # define unveil(a, b) (0)
595 #endif
596 
597 #ifndef __dead
598 # define __dead __attribute__((noreturn))
599 #endif
600 
601 #define SSH_PROG "${SSH_PROG}"
602 
603 #endif /*!OCONFIGURE_CONFIG_H*/
604 EOF
605 
606 echo "config.h: written" 1>&2
607 echo "config.h: written" 1>&3
608 
609 #----------------------------------------------------------------------
610 # Now we go to generate our Makefile.configure.
611 # This file is simply a bunch of Makefile variables.
612 # They'll work in both GNUmakefile and BSDmakefile.
613 # You MIGHT want to change this.
614 #----------------------------------------------------------------------
615 
616 exec > Makefile.configure
617 
618 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
619 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
620 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include"
621 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib"
622 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
623 [ -z "${SHAREDIR}"   ] && SHAREDIR="${PREFIX}/share"
624 
625 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
626 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
627 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
628 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
629 
630 cat <<EOF
631 CC		 = ${CC}
632 CFLAGS		 = ${CFLAGS}
633 CPPFLAGS	 = ${CPPFLAGS}
634 LDADD		 = ${LDADD} ${LDADD_LIB_SOCKET} ${LDADD_LIBEVENT} ${LDADD_LIBEVENT2}
635 LDADD_STATIC	 = ${LDADD_STATIC}
636 LDFLAGS		 = ${LDFLAGS}
637 PREFIX		 = ${PREFIX}
638 BINDIR		 = ${BINDIR}
639 SHAREDIR	 = ${SHAREDIR}
640 SBINDIR		 = ${SBINDIR}
641 INCLUDEDIR	 = ${INCLUDEDIR}
642 LIBDIR		 = ${LIBDIR}
643 MANDIR		 = ${MANDIR}
644 INSTALL		 = ${INSTALL}
645 INSTALL_PROGRAM	 = ${INSTALL_PROGRAM}
646 INSTALL_LIB	 = ${INSTALL_LIB}
647 INSTALL_MAN	 = ${INSTALL_MAN}
648 INSTALL_DATA	 = ${INSTALL_DATA}
649 EOF
650 
651 echo "Makefile.configure: written" 1>&2
652 echo "Makefile.configure: written" 1>&3
653 
654 exit 0