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=1.8.3-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 "$1")"
71 fi
72 }
74 # try to auto detect CFLAGS and LDFLAGS
75 if command -v pkg-config >/dev/null; then
76 add_library "libtls"
77 add_library "openssl"
79 case "$(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 command -v ${YACC} >/dev/null || {
100 echo "${YACC} not found: trying bison" 1>&2
101 echo "${YACC} not found: trying bison" 1>&3
102 YACC=bison
103 command -v ${YACC} >/dev/null || {
104 echo "${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="$val" ;;
135 MANDIR) MANDIR="$val" ;;
136 PREFIX) PREFIX="$val" ;;
137 YACC) YACC="$val" ;;
138 --prefix) PREFIX="$val" ;;
139 *)
140 echo "$0: invalid key: $key" 1>&2
141 exit 1
142 esac
143 done
145 # --------
146 # tests functions
148 # Check whether this HAVE_ setting is manually overridden.
149 # If yes, use the override, if no, do not decide anything yet.
150 # Arguments: test file name, test var name, manual value
151 ismanual() {
152 [ -z "${3}" ] && return 1
153 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
154 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
155 echo 1>&3
156 return 0
159 # Run a single autoconfiguration test.
160 # In case of success, enable the feature.
161 # In case of failure, do not decide anything yet.
162 # Arguments: test file name, test var name, additional CFLAGS
163 singletest() {
164 n=${1}${3}
165 cat 1>&3 << __HEREDOC__
166 testing ${n} ...
167 ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
168 __HEREDOC__
170 if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
171 then
172 echo "tested ${n}: yes" 1>&2
173 echo "tested ${n}: yes" 1>&3
174 echo 1>&3
175 eval HAVE_${2}=1
176 [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
177 [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
178 [ "${3}" = "-lutil" ] && LD_IMSG="-lutil"
179 rm "have/${1}"
180 return 0
181 else
182 echo "tested ${n}: no (compilation failed)" 1>&2
183 echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
184 echo "result of compiling ${n}: no" 1>&3
185 echo 1>&3
186 return 1
187 fi
190 # Run a complete autoconfiguration test, including the check for
191 # a manual override and disabling the feature on failure.
192 # Arguments: test file name, test var name, additional CFLAGS
193 # The final argument can optionally be repeated a second time.
194 runtest() {
195 eval _manual=\${HAVE_${2}}
196 ismanual "${1}" "${2}" "${_manual}" && return 0
197 singletest "${1}" "${2}" "${3}" && return 0
198 [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
199 eval HAVE_${2}=0
200 return 1
203 # --------
204 # compiler options
206 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
208 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
209 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
210 echo 1>&3
212 if [ -n "${STATIC}" ]; then
213 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
214 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
215 echo 1>&3
216 else
217 runtest noop STATIC -static || true
218 [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
219 echo "selected STATIC=\"${STATIC}\"" 1>&2
220 echo "selected STATIC=\"${STATIC}\"" 1>&3
221 echo 1>&3
222 fi
224 if runtest noop MMD -MMD; then
225 CFLAGS="${CFLAGS} -MMD"
226 echo "adding -MMD to CFLAGS" 1>&2
227 echo "adding -MMD to CFLAGS" 1>&3
228 fi
230 # --------
231 # tests for config.h
233 runtest err ERR || true
234 runtest explicit_bzero EXPLICIT_BZERO || true
235 runtest freezero FREEZERO || true
236 runtest getdtablecount GETDTABLECOUNT || true
237 runtest getdtablesize GETDTABLESIZE || true
238 runtest getprogname GETPROGNAME || true
239 runtest imsg IMSG -lutil || true
240 runtest landlock LANDLOCK || true
241 runtest libevent LIBEVENT || true
242 runtest libevent2 LIBEVENT2 || true
243 runtest libtls LIBTLS || true
244 runtest openssl OPENSSL || true
245 runtest pr_set_name PR_SET_NAME || true
246 runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME "" -D_GNU_SOURCE || true
247 runtest queue_h QUEUE_H || true
248 runtest reallocarray REALLOCARRAY || true
249 runtest recallocarray RECALLOCARRAY || true
250 runtest setproctitle SETPROCTITLE || true
251 runtest strlcat STRLCAT || true
252 runtest strlcpy STRLCPY || true
253 runtest strtonum STRTONUM || true
254 runtest tree_h TREE_H || true
255 runtest vasprintf VASPRINTF "" -D_GNU_SOURCE || true
257 if [ ${HAVE_LIBTLS} -eq 0 ]; then
258 echo "FATAL: libtls not found" 1>&2
259 echo "FATAL: libtls not found" 1>&3
260 exit 1
261 fi
263 if [ ${HAVE_OPENSSL} -eq 0 ]; then
264 echo "FATAL: openssl not found" 1>&2
265 echo "FATAL: openssl not found" 1>&3
266 exit 1
267 fi
269 if [ ${HAVE_LIBEVENT} -eq 0 ]; then
270 echo "FATAL: libevent not found" 1>&2
271 echo "FATAL: libevent not found" 1>&3
272 exit 1
273 fi
275 if [ ${HAVE_QUEUE_H} -eq 0 -o ${HAVE_IMSG} -eq 0 -o ${HAVE_TREE_H} -eq 0 ]; then
276 CFLAGS="${CFLAGS} -I ${PWD}/compat"
277 fi
279 # --------
280 # write config.h
282 exec > config.h
284 cat <<__HEREDOC__
285 #ifdef __cplusplus
286 #error "Do not use C++."
287 #endif
288 __HEREDOC__
290 [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE"
291 [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE"
293 [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 -o ${HAVE_IMSG} -eq 0 ] \
294 && echo "#include <sys/types.h>"
295 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
297 if [ ${HAVE_QUEUE_H} -eq 1 ]; then
298 echo "#include <sys/queue.h>"
299 else
300 echo "#include <queue.h>"
301 fi
303 if [ ${HAVE_TREE_H} -eq 1 ]; then
304 echo "#include <sys/tree.h>"
305 else
306 echo "#include <tree.h>"
307 fi
309 echo "#include <sys/types.h>"
310 echo "#include <sys/uio.h>"
311 echo "#include <stdint.h>"
312 echo "#include <imsg.h>"
314 cat <<__HEREDOC__
316 #define VERSION "${VERSION}"
317 #define DISABLE_SANDBOX ${DISABLE_SANDBOX}
319 #define HAVE_ERR ${HAVE_ERR}
320 #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
321 #define HAVE_FREEZERO ${HAVE_FREEZERO}
322 #define HAVE_GETDTABLECOUNT ${HAVE_GETDTABLECOUNT}
323 #define HAVE_GETDTABLESIZE ${HAVE_GETDTABLESIZE}
324 #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
325 #define HAVE_IMSG ${HAVE_IMSG}
326 #define HAVE_LANDLOCK ${HAVE_LANDLOCK}
327 #define HAVE_LIBEVENT ${HAVE_LIBEVENT}
328 #define HAVE_LIBEVENT2 ${HAVE_LIBEVENT2}
329 #define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
330 #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
331 #define HAVE_QUEUE_H ${HAVE_QUEUE_H}
332 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
333 #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
334 #define HAVE_SETPROCTITLE ${HAVE_SETPROCTITLE}
335 #define HAVE_STRLCAT ${HAVE_STRLCAT}
336 #define HAVE_STRLCPY ${HAVE_STRLCPY}
337 #define HAVE_STRTONUM ${HAVE_STRTONUM}
338 #define HAVE_TREE_H ${HAVE_TREE_H}
339 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
341 __HEREDOC__
343 [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
344 ${HAVE_FREEZERO} -eq 0 -o \
345 ${HAVE_REALLOCARRAY} -eq 0 -o \
346 ${HAVE_RECALLOCARRAY} -eq 0 -o \
347 ${HAVE_STRLCAT} -eq 0 -o \
348 ${HAVE_STRLCPY} -eq 0 -o \
349 ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
351 if [ ${HAVE_ERR} -eq 0 ]; then
352 echo "extern void err(int, const char*, ...);"
353 echo "extern void errx(int, const char*, ...);"
354 echo "extern void warn(const char*, ...);"
355 echo "extern void warnx(const char*, ...);"
356 COMPAT="${COMPAT} compat/err.o"
357 else
358 echo "#include <err.h>"
359 fi
360 if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
361 echo "extern void explicit_bzero(void*, size_t);"
362 COMPAT="${COMPAT} compat/explicit_bzero.o"
363 fi
364 if [ ${HAVE_FREEZERO} -eq 0 ]; then
365 echo "extern void freezero(void*, size_t);"
366 COMPAT="${COMPAT} compat/freezero.o"
367 fi
368 if [ ${HAVE_GETDTABLECOUNT} -eq 0 ]; then
369 echo "extern int getdtablecount(void);"
370 COMPAT="${COMPAT} compat/getdtablecount.o"
371 fi
372 if [ ${HAVE_GETDTABLESIZE} -eq 0 ]; then
373 echo "extern int getdtablesize(void);"
374 COMPAT="${COMPAT} compat/getdtablesize.o"
375 fi
376 if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
377 echo "extern const char *getprogname(void);"
378 COMPAT="${COMPAT} compat/getprogname.o"
379 fi
380 if [ ${HAVE_IMSG} -eq 0 ]; then
381 COMPAT="${COMPAT} compat/imsg.o compat/imsg-buffer.o"
382 fi
383 if [ ${HAVE_REALLOCARRAY} -eq 0 ]; then
384 echo "extern void *reallocarray(void*, size_t, size_t);"
385 COMPAT="${COMPAT} compat/reallocarray.o"
386 fi
387 if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
388 echo "extern void *recallocarray(void*, size_t, size_t, size_t);"
389 COMPAT="${COMPAT} compat/recallocarray.o"
390 fi
391 if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
392 echo "extern void setproctitle(const char *fmt, ...);"
393 COMPAT="${COMPAT} compat/setproctitle.o"
394 fi
395 if [ ${HAVE_STRLCAT} -eq 0 ]; then
396 echo "extern size_t strlcat(char*, const char*, size_t);"
397 COMPAT="${COMPAT} compat/strlcat.o"
398 fi
399 if [ ${HAVE_STRLCPY} -eq 0 ]; then
400 echo "extern size_t strlcpy(char*, const char*, size_t);"
401 COMPAT="${COMPAT} compat/strlcpy.o"
402 fi
403 if [ ${HAVE_STRTONUM} -eq 0 ]; then
404 echo "extern long long strtonum(const char*, long long, long long, const char**);"
405 COMPAT="${COMPAT} compat/strtonum.o"
406 fi
407 if [ ${HAVE_VASPRINTF} -eq 0 ]; then
408 echo "extern int vasprintf(char**, const char*, va_list);"
409 COMPAT="${COMPAT} compat/vasprintf.o"
410 fi
411 echo "file config.h: written" 1>&2
412 echo "file config.h: written" 1>&3
414 # --------
415 # tests for Makefile.local
417 GMID_SRCS="dirs.c ex.c fcgi.c gmid.c iri.c log.c mime.c proxy.c puny.c"
418 GMID_SRCS="${GMID_SRCS} sandbox.c server.c utf8.c utils.c y.tab.c"
420 GMID_OBJS=
421 for src in ${GMID_SRCS}; do
422 GMID_OBJS="${GMID_OBJS} ${src%.c}.o"
423 done
424 GMID_OBJS="${GMID_OBJS} ${COMPAT}"
426 GG_SRCS="gg.c iri.c utf8.c"
428 GG_OBJS=
429 for src in ${GG_SRCS}; do
430 GG_OBJS="${GG_OBJS} ${src%.c}.o"
431 done
432 GG_OBJS="${GG_OBJS} ${COMPAT}"
434 ALL_SRCS="${GMID_SRCS} gg.c"
436 exec > Makefile.local
438 [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
439 [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
441 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
442 [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
443 [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
444 [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
446 cat << __HEREDOC__
447 CC = ${CC}
448 CFLAGS = ${CFLAGS}
449 LDFLAGS = ${LDFLAGS} ${LD_IMSG}
450 YACC = ${YACC}
451 STATIC = ${STATIC}
452 PREFIX = ${PREFIX}
453 BINDIR = ${BINDIR}
454 MANDIR = ${MANDIR}
455 INCLUDEDIR = ${INCLUDEDIR}
456 INSTALL = ${INSTALL}
457 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
458 INSTALL_LIB = ${INSTALL_LIB}
459 INSTALL_MAN = ${INSTALL_MAN}
460 INSTALL_DATA = ${INSTALL_DATA}
462 GMID_OBJS = ${GMID_OBJS}
463 GG_OBJS = ${GG_OBJS}
465 VERSION = ${VERSION}
467 __HEREDOC__
469 printf "COMPAT ="
470 for comp in ${COMPAT}; do
471 printf " %s/%s" "$PWD" "$comp"
472 done
473 printf "\n\n"
475 # Include dependency info
476 for src in ${ALL_SRCS}; do
477 printf "%s\n" "-include ${src%.c}.d"
478 done
480 for comp in ${COMPAT}; do
481 printf "%s\n" "-include ${comp%.o}.d"
482 done
484 echo "file Makefile.local: written" 1>&2
485 echo "file Makefile.local: written" 1>&3
487 exit 0