Blob


1 #!/bin/sh
2 #
3 # Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 # adapted from mandoc configure and oconfigure, thanks schwarze@ and
18 # kristaps@!
20 set -e
22 [ -w config.log ] && mv config.log config.log.old
23 [ -w config.h ] && mv config.h config.h.old
25 # Output file descriptor usage:
26 # 1 (stdout): config.h, Makefile.local
27 # 2 (stderr): original stderr, usually to the console
28 # 3: config.log
30 exec 3> config.log
31 echo "file config.log: writing..."
33 # --------
34 # default settings: initialize all vars here such that nothing is
35 # leaked from the environment except for CC, CFLAGS and LDFLAGS
37 VERSION=1.8-current
39 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make ${MAKE_FLAGS} -sf -`
41 if [ -z "${CFLAGS}" ]; then
42 CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
43 fi
45 CFLAGS="${CFLAGS} -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes"
46 CFLAGS="${CFLAGS} -Wwrite-strings -Wno-unused-parameter"
48 if [ -z "${LDFLAGS}" ]; then
49 LDFLAGS=`printf "all:\\n\\t@echo \\\$(LDFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
50 LDFLAGS="-ltls -levent -lcrypto"
51 fi
53 LD_IMSG=
54 STATIC=
55 YACC=yacc
57 DISABLE_SANDBOX=0
59 NEED_GNU_SOURCE=0
60 NEED_OPENBSD_SOURCE=0
62 PREFIX="/usr/local"
63 BINDIR=
65 INSTALL="install"
67 add_library() {
68 if pkg-config "$1"; then
69 CFLAGS="${CFLAGS} $(pkg-config --cflags "$1")"
70 LDFLAGS="${LDFLAGS} $(pkg-config --libs "$1")"
71 fi
72 }
74 # try to auto detect CFLAGS and LDFLAGS
75 if which pkg-config 2>/dev/null 1>&2; then
76 add_library "libtls"
77 add_library "openssl"
79 case "$(uname)" in
80 OpenBSD)
81 # use libevent and imsg in base
82 ;;
83 *)
84 add_library "libevent"
85 add_library "libimsg"
86 ;;
87 esac
89 case "$(uname)" in
90 *BSD|DragonFly|Darwin)
91 ;;
92 *)
93 add_library "libbsd-ctor libbsd-overlay"
94 ;;
95 esac
96 fi
98 # auto detect yacc/bison
99 which ${YACC} 2>/dev/null 1>&2 || {
100 echo "${YACC} not found: trying bison" 1>&2
101 echo "${YACC} not found: trying bison" 1>&3
102 YACC=bison
103 which ${YACC} 2>/dev/null 1>&2 || {
104 echo "${YACC} not found: giving up" 1>&2
105 echo "${YACC} not found: giving up" 1>&3
109 # --------
110 # allow certain variables to be overridden on the command line
112 for keyvals in "$@"; do
113 if [ "$keyvals" = "--disable-sandbox" ]; then
114 DISABLE_SANDBOX=1
115 continue
116 fi
118 if [ "$keyvals" = "--enable-sandbox" ]; then
119 DISABLE_SANDBOX=0
120 continue
121 fi
123 key=`echo $keyvals | cut -s -d '=' -f1`
124 if [ -z "$key" ]; then
125 echo "$0: invalid key-value: $keyvals" 1>&2
126 exit 1
127 fi
128 val=`echo $keyvals | cut -d '=' -f 2-`
129 case "$key" in
130 BINDIR) BINDIR="$val" ;;
131 CC) CC="$val" ;;
132 CFLAGS) CFLAGS="$val" ;;
133 DESTDIR) DESTDIR="$val" ;;
134 LDFLAGS) LDFLAGS="$val" ;;
135 PREFIX) PREFIX="$val" ;;
136 YACC) YACC="$val" ;;
137 --prefix) PREFIX="$val" ;;
138 *)
139 echo "$0: invalid key: $key" 1>&2
140 exit 1
141 esac
142 done
144 # --------
145 # tests functions
147 # Check whether this HAVE_ setting is manually overridden.
148 # If yes, use the override, if no, do not decide anything yet.
149 # Arguments: test file name, test var name, manual value
150 ismanual() {
151 [ -z "${3}" ] && return 1
152 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
153 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
154 echo 1>&3
155 return 0
158 # Run a single autoconfiguration test.
159 # In case of success, enable the feature.
160 # In case of failure, do not decide anything yet.
161 # Arguments: test file name, test var name, additional CFLAGS
162 singletest() {
163 n=${1}${3}
164 cat 1>&3 << __HEREDOC__
165 testing ${n} ...
166 ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
167 __HEREDOC__
169 if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
170 then
171 echo "tested ${n}: yes" 1>&2
172 echo "tested ${n}: yes" 1>&3
173 echo 1>&3
174 eval HAVE_${2}=1
175 [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
176 [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
177 [ "${3}" = "-lutil" ] && LD_IMSG="-lutil"
178 rm "have/${1}"
179 return 0
180 else
181 echo "tested ${n}: no (compilation failed)" 1>&2
182 echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
183 echo "result of compiling ${n}: no" 1>&3
184 echo 1>&3
185 return 1
186 fi
189 # Run a complete autoconfiguration test, including the check for
190 # a manual override and disabling the feature on failure.
191 # Arguments: test file name, test var name, additional CFLAGS
192 # The final argument can optionally be repeated a second time.
193 runtest() {
194 eval _manual=\${HAVE_${2}}
195 ismanual "${1}" "${2}" "${_manual}" && return 0
196 singletest "${1}" "${2}" "${3}" && return 0
197 [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
198 eval HAVE_${2}=0
199 return 1
202 # --------
203 # compiler options
205 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
207 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
208 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
209 echo 1>&3
211 if [ -n "${STATIC}" ]; then
212 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
213 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
214 echo 1>&3
215 else
216 runtest noop STATIC -static || true
217 [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
218 echo "selected STATIC=\"${STATIC}\"" 1>&2
219 echo "selected STATIC=\"${STATIC}\"" 1>&3
220 echo 1>&3
221 fi
223 if runtest noop MMD -MMD; then
224 CFLAGS="${CFLAGS} -MMD"
225 echo "adding -MMD to CFLAGS" 1>&2
226 echo "adding -MMD to CFLAGS" 1>&3
227 fi
229 # --------
230 # tests for config.h
232 runtest err ERR || true
233 runtest explicit_bzero EXPLICIT_BZERO || true
234 runtest freezero FREEZERO || true
235 runtest getdtablecount GETDTABLECOUNT || true
236 runtest getdtablesize GETDTABLESIZE || true
237 runtest getprogname GETPROGNAME || true
238 runtest imsg IMSG -lutil || true
239 runtest landlock LANDLOCK || true
240 runtest libevent LIBEVENT || true
241 runtest libevent2 LIBEVENT2 || true
242 runtest libtls LIBTLS || true
243 runtest openssl OPENSSL || true
244 runtest pr_set_name PR_SET_NAME || true
245 runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME "" -D_GNU_SOURCE || true
246 runtest queue_h QUEUE_H || true
247 runtest reallocarray REALLOCARRAY || true
248 runtest recallocarray RECALLOCARRAY || true
249 runtest setproctitle SETPROCTITLE || true
250 runtest strlcat STRLCAT || true
251 runtest strlcpy STRLCPY || true
252 runtest strtonum STRTONUM || true
253 runtest tree_h TREE_H || true
254 runtest vasprintf VASPRINTF "" -D_GNU_SOURCE || true
256 if [ ${HAVE_LIBTLS} -eq 0 ]; then
257 echo "FATAL: libtls not found" 1>&2
258 echo "FATAL: libtls not found" 1>&3
259 exit 1
260 fi
262 if [ ${HAVE_OPENSSL} -eq 0 ]; then
263 echo "FATAL: openssl not found" 1>&2
264 echo "FATAL: openssl not found" 1>&3
265 exit 1
266 fi
268 if [ ${HAVE_LIBEVENT} -eq 0 ]; then
269 echo "FATAL: libevent not found" 1>&2
270 echo "FATAL: libevent not found" 1>&3
271 exit 1
272 fi
274 if [ ${HAVE_QUEUE_H} -eq 0 -o ${HAVE_IMSG} -eq 0 -o ${HAVE_TREE_H} -eq 0 ]; then
275 CFLAGS="${CFLAGS} -I ${PWD}/compat"
276 fi
278 # --------
279 # write config.h
281 exec > config.h
283 cat <<__HEREDOC__
284 #ifdef __cplusplus
285 #error "Do not use C++."
286 #endif
287 __HEREDOC__
289 [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE"
290 [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE"
292 [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 -o ${HAVE_IMSG} -eq 0 ] \
293 && echo "#include <sys/types.h>"
294 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
296 if [ ${HAVE_QUEUE_H} -eq 1 ]; then
297 echo "#include <sys/queue.h>"
298 else
299 echo "#include <queue.h>"
300 fi
302 if [ ${HAVE_TREE_H} -eq 1 ]; then
303 echo "#include <sys/tree.h>"
304 else
305 echo "#include <tree.h>"
306 fi
308 echo "#include <sys/types.h>"
309 echo "#include <sys/uio.h>"
310 echo "#include <stdint.h>"
311 echo "#include <imsg.h>"
313 cat <<__HEREDOC__
315 #define VERSION "${VERSION}"
316 #define DISABLE_SANDBOX ${DISABLE_SANDBOX}
318 #define HAVE_ERR ${HAVE_ERR}
319 #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
320 #define HAVE_FREEZERO ${HAVE_FREEZERO}
321 #define HAVE_GETDTABLECOUNT ${HAVE_GETDTABLECOUNT}
322 #define HAVE_GETDTABLESIZE ${HAVE_GETDTABLESIZE}
323 #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
324 #define HAVE_IMSG ${HAVE_IMSG}
325 #define HAVE_LANDLOCK ${HAVE_LANDLOCK}
326 #define HAVE_LIBEVENT ${HAVE_LIBEVENT}
327 #define HAVE_LIBEVENT2 ${HAVE_LIBEVENT2}
328 #define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
329 #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
330 #define HAVE_QUEUE_H ${HAVE_QUEUE_H}
331 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
332 #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
333 #define HAVE_SETPROCTITLE ${HAVE_SETPROCTITLE}
334 #define HAVE_STRLCAT ${HAVE_STRLCAT}
335 #define HAVE_STRLCPY ${HAVE_STRLCPY}
336 #define HAVE_STRTONUM ${HAVE_STRTONUM}
337 #define HAVE_TREE_H ${HAVE_TREE_H}
338 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
340 __HEREDOC__
342 [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
343 ${HAVE_FREEZERO} -eq 0 -o \
344 ${HAVE_REALLOCARRAY} -eq 0 -o \
345 ${HAVE_RECALLOCARRAY} -eq 0 -o \
346 ${HAVE_STRLCAT} -eq 0 -o \
347 ${HAVE_STRLCPY} -eq 0 -o \
348 ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
350 if [ ${HAVE_ERR} -eq 0 ]; then
351 echo "extern void err(int, const char*, ...);"
352 echo "extern void errx(int, const char*, ...);"
353 echo "extern void warn(const char*, ...);"
354 echo "extern void warnx(const char*, ...);"
355 COMPAT="${COMPAT} compat/err.o"
356 else
357 echo "#include <err.h>"
358 fi
359 if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
360 echo "extern void explicit_bzero(void*, size_t);"
361 COMPAT="${COMPAT} compat/explicit_bzero.o"
362 fi
363 if [ ${HAVE_FREEZERO} -eq 0 ]; then
364 echo "extern void freezero(void*, size_t);"
365 COMPAT="${COMPAT} compat/freezero.o"
366 fi
367 if [ ${HAVE_GETDTABLECOUNT} -eq 0 ]; then
368 echo "extern int getdtablecount(void);"
369 COMPAT="${COMPAT} compat/getdtablecount.o"
370 fi
371 if [ ${HAVE_GETDTABLESIZE} -eq 0 ]; then
372 echo "extern int getdtablesize(void);"
373 COMPAT="${COMPAT} compat/getdtablesize.o"
374 fi
375 if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
376 echo "extern const char *getprogname(void);"
377 COMPAT="${COMPAT} compat/getprogname.o"
378 fi
379 if [ ${HAVE_IMSG} -eq 0 ]; then
380 COMPAT="${COMPAT} compat/imsg.o compat/imsg-buffer.o"
381 fi
382 if [ ${HAVE_REALLOCARRAY} -eq 0 ]; then
383 echo "extern void *reallocarray(void*, size_t, size_t);"
384 COMPAT="${COMPAT} compat/reallocarray.o"
385 fi
386 if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
387 echo "extern void *recallocarray(void*, size_t, size_t, size_t);"
388 COMPAT="${COMPAT} compat/recallocarray.o"
389 fi
390 if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
391 echo "extern void setproctitle(const char *fmt, ...);"
392 COMPAT="${COMPAT} compat/setproctitle.o"
393 fi
394 if [ ${HAVE_STRLCAT} -eq 0 ]; then
395 echo "extern size_t strlcat(char*, const char*, size_t);"
396 COMPAT="${COMPAT} compat/strlcat.o"
397 fi
398 if [ ${HAVE_STRLCPY} -eq 0 ]; then
399 echo "extern size_t strlcpy(char*, const char*, size_t);"
400 COMPAT="${COMPAT} compat/strlcpy.o"
401 fi
402 if [ ${HAVE_STRTONUM} -eq 0 ]; then
403 echo "extern long long strtonum(const char*, long long, long long, const char**);"
404 COMPAT="${COMPAT} compat/strtonum.o"
405 fi
406 if [ ${HAVE_VASPRINTF} -eq 0 ]; then
407 echo "extern int vasprintf(char**, const char*, va_list);"
408 COMPAT="${COMPAT} compat/vasprintf.o"
409 fi
410 echo "file config.h: written" 1>&2
411 echo "file config.h: written" 1>&3
413 # --------
414 # tests for Makefile.local
416 GMID_SRCS="dirs.c ex.c fcgi.c gmid.c iri.c log.c mime.c proxy.c puny.c"
417 GMID_SRCS="${GMID_SRCS} sandbox.c server.c utf8.c utils.c y.tab.c"
419 GMID_OBJS=
420 for src in ${GMID_SRCS}; do
421 GMID_OBJS="${GMID_OBJS} ${src%.c}.o"
422 done
423 GMID_OBJS="${GMID_OBJS} ${COMPAT}"
425 GG_SRCS="gg.c iri.c utf8.c"
427 GG_OBJS=
428 for src in ${GG_SRCS}; do
429 GG_OBJS="${GG_OBJS} ${src%.c}.o"
430 done
431 GG_OBJS="${GG_OBJS} ${COMPAT}"
433 ALL_SRCS="${GMID_SRCS} gg.c"
435 exec > Makefile.local
437 [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
438 [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
440 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
441 [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
442 [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
443 [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
445 cat << __HEREDOC__
446 CC = ${CC}
447 CFLAGS = ${CFLAGS}
448 LDFLAGS = ${LDFLAGS} ${LD_IMSG}
449 YACC = ${YACC}
450 STATIC = ${STATIC}
451 PREFIX = ${PREFIX}
452 BINDIR = ${BINDIR}
453 MANDIR = ${MANDIR}
454 INCLUDEDIR = ${INCLUDEDIR}
455 INSTALL = ${INSTALL}
456 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
457 INSTALL_LIB = ${INSTALL_LIB}
458 INSTALL_MAN = ${INSTALL_MAN}
459 INSTALL_DATA = ${INSTALL_DATA}
461 GMID_OBJS = ${GMID_OBJS}
462 GG_OBJS = ${GG_OBJS}
464 VERSION = ${VERSION}
466 __HEREDOC__
468 printf "COMPAT ="
469 for comp in ${COMPAT}; do
470 printf " %s/%s" "$PWD" "$comp"
471 done
472 printf "\n\n"
474 # Include dependency info
475 for src in ${ALL_SRCS}; do
476 printf "%s\n" "-include ${src%.c}.d"
477 done
479 for comp in ${COMPAT}; do
480 printf "%s\n" "-include ${comp%.o}.d"
481 done
483 echo "file Makefile.local: written" 1>&2
484 echo "file Makefile.local: written" 1>&3
486 exit 0