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 set -e
20 
21 RELEASE="${RELEASE:-no}"
22 
23 usage()
24 {
25 	echo "usage: $0 [--help] [--prefix=prefix] [OPTION=VALUE...]" >&2
26 	exit 1
27 }
28 
29 if command -v yacc 2>/dev/null >&2; then
30 	YACC=yacc
31 elif command -v bison 2>/dev/null >&2; then
32 	YACC=bison
33 else
34 	# assume yacc by default.  Make will fail building parse.y if
35 	# not from a release tarball, but at least it'll have a decent
36 	# error message.
37 	YACC=yacc
38 fi
39 
40 if command -v pkg-config 2>/dev/null >&2; then
41 	pkgconfig=pkg-config
42 else
43 	pkgconfig=
44 fi
45 
46 db=
47 user=
48 sock=
49 while [ $# -gt 0 ]; do
50 	key="${1%%=*}"
51 	val="${1#*=}"
52 
53 	if [ "$key" = --help ]; then
54 		usage
55 	fi
56 
57 	if [ "$key" = --prefix ]; then
58 		key=PREFIX
59 		if [ "$1" = --prefix ]; then # no =, look at next arg
60 			if !shift 2>&1 >/dev/null; then
61 				echo "$0: missing value for --prefix" >&2
62 				exit 1
63 			fi
64 			val="$1"
65 		fi
66 	fi
67 
68 	if [ "$1" = "$key" ]; then
69 		echo "$0: invalid key-value: $1" >&2
70 		exit 1
71 	fi
72 
73 	case "$key" in
74 	CC)
75 		CC="$val" ;;
76 	CFLAGS)
77 		CFLAGS="$val" ;;
78 	DB)
79 		db="$val" ;;
80 	LDADD)
81 		LDADD="$val" ;;
82 	LDADD_LIBEVENT)
83 		LDADD_LIBEVENT="$val" ;;
84 	LDADD_LIBSQLITE3)
85 		LDADD_LIBSQLITE3="$val" ;;
86 	LDADD_LIBSOCKET)
87 		LDADD_LIBSOCKET="$val" ;;
88 	PKG_CONFIG)
89 		pkgconfig="$val" ;;
90 	SOCK)
91 		sock="$sock" ;;
92 	USER)
93 		user="$val" ;;
94 	YACC)
95 		YACC="$val" ;;
96 	esac
97 
98 	shift
99 done
100 
101 CDIAGFLAGS=
102 CDIAGFLAGS="${CDIAGFLAGS} -Wall -Wextra -Wpointer-arith -Wuninitialized"
103 CDIAGFLAGS="${CDIAGFLAGS} -Wstrict-prototypes -Wmissing-prototypes -Wunused"
104 CDIAGFLAGS="${CDIAGFLAGS} -Wsign-compare -Wshadow -Wno-unused-parameter"
105 CDIAGFLAGS="${CDIAGFLAGS} -Wno-missing-field-initializers"
106 CDIAGFLAGS="${CDIAGFLAGS} -Wno-pointer-sign"
107 
108 # don't ship releases with -Werror
109 test "$RELEASE" = no && CDIAGFLAGS="${CDIAGFLAGS} -Werror"
110 
111 CFLAGS="${CFLAGS:--O2 -pipe} ${CDIAGFLAGS}"
112 CC="${CC:-cc}"
113 LIBS="${LIBS:-}"
114 LDFLAGS="${LDFLAGS:-}"
115 
116 HOSTCC="${HOSTCC:-${CC}}"
117 HOSTCFLAGS="${HOSTCFLAGS:-${CFLAGS}}"
118 
119 # echo "running configure for \`template':" >&2
120 # (cd ./template && ./configure CC="$HOSTCC" CFLAGS="$HOSTCFLAGS" YACC="$YACC")
121 # echo "returning to the configure for \`pkg_fcgi':" >&2
122 
123 CFLAGS="${CFLAGS} -I. -Itemplate"
124 test -n "$db"   && CFLAGS="${CFLAGS} -DPKG_FCGI_DB=\"\\\"$conf\\\"\""
125 test -n "$user" && CFLAGS="${CFLAGS} -DPKG_FCGI_USER=\"\\\"$user\\\"\""
126 test -n "$sock" && CFLAGS="${CFLAGS} -DPKG_FCGI_SOCK=\"\\\"$conf\\\"\""
127 
128 [ -w config.log ] && mv config.log config.log.old
129 
130 exec 3> config.log
131 echo "config.log: writing..."
132 
133 COMPATS=
134 
135 HAVE_ACCEPT4=
136 HAVE_ASR_RUN=
137 HAVE_ERR=
138 HAVE_FREEZERO=
139 HAVE_GETDTABLECOUNT=
140 HAVE_GETDTABLESIZE=
141 HAVE_GETEXECNAME=
142 HAVE_GETPROGNAME=
143 HAVE_LIBEVENT=
144 HAVE_LIBSQLITE3=
145 HAVE_PLEDGE=
146 HAVE_REALLOCARRAY=
147 HAVE_RECALLOCARRAY=
148 HAVE_SETGROUPS=
149 HAVE_SETPROCTITLE=
150 HAVE_SETRESGID=
151 HAVE_SETRESUID=
152 HAVE_STRLCAT=
153 HAVE_STRLCPY=
154 HAVE_STRTONUM=
155 HAVE_SYS_QUEUE=
156 HAVE_SYS_TREE=
157 HAVE_UNVEIL=
158 HAVE_VASPRINTF=
159 HAVE_WAIT_ANY=
160 HAVE___PROGNAME=
161 
162 # singletest name var extra-cflags extra-libs msg
163 singletest() {
164 	msg="$5"
165 	if [ -z "$msg" ]; then
166 		if [ -n "$3" -a "$4" ]; then
167 			msg=" ($3 $4)"
168 		elif [ -n "$3" ]; then
169 			msg=" ($3)"
170 		elif [ -n "$4" ]; then
171 			msg=" ($4)"
172 		fi
173 	elif [ "$msg" = no ]; then
174 	     msg=""
175 	fi
176 
177 	cat >&3 <<EOF
178 ${1}: testing...
179 $CC tests/${1}.c -Werror $3 -o test-$1 $LDFLAGS $4
180 EOF
181 	if $CC tests/${1}.c -Werror $3 -o test-$1 $LDFLAGS $4 >&3 2>&3; then
182 		rm -f test-${1} test-${1}.d
183 
184 		echo "${1}: $CC$msg succeeded" >&3
185 		echo "${1}$msg: yes"
186 		echo >&3
187 
188 		return 0
189 	fi
190 
191 	echo "${1}: $CC$msg failed with $?" >&3
192 	echo "${1}$msg: no"
193 	echo >&3
194 
195 	return 1
196 }
197 
198 # deptest name var
199 deptest() {
200 	if singletest "$1" "$2" "${CFLAGS}" "${LIBS}" no; then
201 		eval HAVE_${2}=1
202 		return 0
203 	fi
204 
205 	if [ -f compat/${1}.c ]; then
206 		COMPATS="compat/${1}.c $COMPATS"
207 	fi
208 
209 	eval HAVE_${2}=0
210 	return 1
211 }
212 
213 # runtest name var extra-cflags extra-libs pkgconfig-name
214 runtest() {
215 	if singletest "$1" "$2" "" ""; then
216 		eval HAVE_${2}=1
217 		return 0
218 	fi
219 
220 	if [ -n "$3" -o -n "$4" ]; then
221 		echo "retrying with ${3+$3 }$4" >&3
222 		if singletest "$1" "$2" "$3" "$4"; then
223 			if [ -n "$3" ]; then
224 				CFLAGS="$CFLAGS $3"
225 			fi
226 			if [ -n "${4}" ]; then
227 				LIBS="$LIBS $4"
228 			fi
229 			eval HAVE_${2}=1
230 			return 0
231 		fi
232 	fi
233 
234 	if [ -n "$5" -a -n "$pkgconfig" ]; then
235 		if $pkgconfig "$5"; then
236 			cflags="$($pkgconfig --cflags "$5")"
237 			ldflags="$($pkgconfig --libs "$5")"
238 			echo "retrying with pkg-config" >&3
239 			if singletest "$1" "$2" "$3" "$cflags" "$ldflags"; then
240 				CFLAGS="$CFLAGS $cflags"
241 				LIBS="$LIBS $ldflags"
242 				eval HAVE_${2}=1
243 				return 0
244 			fi
245 		fi
246 	fi
247 
248 	if [ -f compat/${1}.c ]; then
249 		COMPATS="compat/${1}.c $COMPATS"
250 	fi
251 
252 	eval HAVE_${2}=0
253 	return 1
254 }
255 
256 if singletest MMD _MMD -MMD >/dev/null; then
257 	CFLAGS="${CFLAGS} -MMD"
258 	echo "adding -MMD to CFLAGS" >&2
259 	echo "adding -MMD to CFLAGS" >&3
260 fi
261 
262 if ! singletest WAIT_ANY WAIT_ANY; then
263 	CFLAGS="${CFLAGS} -DWAIT_ANY=-1"
264 fi
265 
266 runtest accept4		ACCEPT4 -D_GNU_SOURCE			|| true
267 runtest asr_run		ASR_RUN "" "-lasr"			|| true
268 runtest err		ERR					|| true
269 runtest freezero	FREEZERO				|| true
270 runtest getdtablecount	GETDTABLECOUNT				|| true
271 runtest getdtablesize	GETDTABLESIZE				|| true
272 runtest getexecname	GETEXECNAME				|| true
273 runtest getprogname	GETPROGNAME				|| true
274 runtest libevent	LIBEVENT "" "-levent"	libevent_core	|| true
275 runtest libsqlite3	LIBSQLITE3 "-I/usr/local/include" "-L/usr/local/lib -lsqlite3" sqlite3	|| true
276 runtest pledge		PLEDGE					|| true
277 runtest reallocarray	REALLOCARRAY -D_OPENBSD_SOURCE		|| true
278 runtest recallocarray	RECALLOCARRAY -D_OPENBSD_SOURCE		|| true
279 runtest setgroups	SETGROUPS -D_BSD_SOURCE			|| true
280 runtest setproctitle	SETPROCTITLE				|| true
281 runtest setresgid	SETRESGID -D_GNU_SOURCE			|| true
282 runtest setresuid	SETRESUID -D_GNU_SOURCE			|| true
283 runtest strlcat		STRLCAT					|| true
284 runtest strlcpy		STRLCPY					|| true
285 runtest strtonum	STRTONUM				|| true
286 runtest sys_queue	SYS_QUEUE				|| true
287 runtest sys_tree	SYS_TREE				|| true
288 runtest unveil		UNVEIL					|| true
289 runtest vasprintf	VASPRINTF -D_GNU_SOURCE			|| true
290 runtest __progname	__PROGNAME				|| true
291 
292 # mandatory things:
293 
294 if [ "${HAVE_ACCEPT4}" -eq 0 ]; then
295 	echo "Fatal: missing accept4(2)" >&2
296 	echo "Fatal: missing accept4(2)" >&3
297 	exit 1
298 fi
299 
300 if [ "${HAVE_ASR_RUN}" -eq 0 ]; then
301 	echo "Fatal: missing libasr" >&2
302 	echo "Fatal: missing libasr" >&3
303 	exit 1
304 fi
305 
306 if [ "${HAVE_LIBEVENT}" -eq 0 ]; then
307 	echo "Fatal: missing libevent" >&2
308 	echo "Fatal: missing libevent" >&3
309 	exit 1
310 fi
311 
312 if [ "${HAVE_LIBSQLITE3}" -eq 0 ]; then
313 	echo "Fatal: missing libsqlite3" >&2
314 	echo "Fatal: missing libsqlite3" >&3
315 	exit 1
316 fi
317 
318 if [ "${HAVE_SETGROUPS}" -eq 0 ]; then
319 	echo "Fatal: missing setgroups(2)" >&2
320 	echo "Fatal: missing setgroups(2)" >&3
321 	exit 1
322 fi
323 
324 # things we can provide by ourselves:
325 
326 if [ "${HAVE_SYS_QUEUE}" -eq 0 -o "${HAVE_SYS_TREE}" -eq 0 ]; then
327 	CFLAGS="-I compat/sys ${CFLAGS}"
328 fi
329 
330 if [ -n "${COMPATS}" ]; then
331 	CFLAGS="-I compat/ ${CFLAGS}"
332 fi
333 
334 exec > config.h
335 echo "config.h: writing..." >&2
336 
337 cat <<EOF
338 #ifndef CONFIG_H
339 #define CONFIG_H
340 
341 #ifdef __cplusplus
342 # error "Do not use C++: this is a C application."
343 #endif
344 
345 #define HAVE_ACCEPT4		${HAVE_ACCEPT4}
346 #define HAVE_ASR_RUN		${HAVE_ASR_RUN}
347 #define HAVE_ERR		${HAVE_ERR}
348 #define HAVE_FREEZERO		${HAVE_FREEZERO}
349 #define HAVE_GETDTABLECOUNT	${HAVE_GETDTABLECOUNT}
350 #define HAVE_GETDTABLESIZE	${HAVE_GETDTABLESIZE}
351 #define HAVE_GETEXECNAME	${HAVE_GETEXECNAME}
352 #define HAVE_GETPROGNAME	${HAVE_GETPROGNAME}
353 #define HAVE_LIBEVENT		${HAVE_LIBEVENT}
354 #define HAVE_LIBSQLITE3		${HAVE_LIBSQLITE3}
355 #define HAVE_PLEDGE		${HAVE_PLEDGE}
356 #define HAVE_REALLOCARRAY	${HAVE_REALLOCARRAY}
357 #define HAVE_RECALLOCARRAY	${HAVE_RECALLOCARRAY}
358 #define HAVE_SETGROUPS		${HAVE_SETGROUPS}
359 #define HAVE_SETPROCTITLE	${HAVE_SETPROCTITLE}
360 #define HAVE_SETRESGID		${HAVE_SETRESGID}
361 #define HAVE_SETRESUID		${HAVE_SETRESUID}
362 #define HAVE_STRLCAT		${HAVE_STRLCAT}
363 #define HAVE_STRLCPY		${HAVE_STRLCPY}
364 #define HAVE_STRTONUM		${HAVE_STRTONUM}
365 #define HAVE_SYS_QUEUE		${HAVE_SYS_QUEUE}
366 #define HAVE_SYS_TREE		${HAVE_SYS_TREE}
367 #define HAVE_UNVEIL		${HAVE_UNVEIL}
368 #define HAVE_VASPRINTF		${HAVE_VASPRINTF}
369 #define HAVE___PROGNAME		${HAVE___PROGNAME}
370 
371 #endif
372 EOF
373 
374 exec > config.mk
375 echo "config.mk: writing..." >&2
376 
377 cat <<EOF
378 CC=		${CC}
379 CFLAGS=		${CFLAGS}
380 LIBS=		${LIBS}
381 LDFLAGS=	${LDFLAGS}
382 YACC=		${YACC}
383 
384 COMPATS=	${COMPATS}
385 
386 INSTALL=	install
387 INSTALL_PROGRAM=\${INSTALL} -m 0555
388 INSTALL_LIB=	\${INSTALL} -m 0444
389 INSTALL_MAN=	\${INSTALL} -m 0444
390 INSTALL_DATA=	\${INSTALL} -m 0444
391 
392 EOF
393 
394 echo "done!" >&2
395 
396 echo >&2
397 echo "Now run \`make' to compile." >&2
398 echo >&2