3 12042ad7 2021-01-21 op # Copyright (c) 2021 Omar Polo <op@omarpolo.com>
5 12042ad7 2021-01-21 op # Permission to use, copy, modify, and distribute this software for any
6 12042ad7 2021-01-21 op # purpose with or without fee is hereby granted, provided that the above
7 12042ad7 2021-01-21 op # copyright notice and this permission notice appear in all copies.
9 12042ad7 2021-01-21 op # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 12042ad7 2021-01-21 op # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 12042ad7 2021-01-21 op # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 12042ad7 2021-01-21 op # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 12042ad7 2021-01-21 op # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 12042ad7 2021-01-21 op # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 12042ad7 2021-01-21 op # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 12042ad7 2021-01-21 op # adapted from mandoc configure and oconfigure, thanks schwarze@ and
22 12042ad7 2021-01-21 op [ -w config.log ] && mv config.log config.log.old
23 12042ad7 2021-01-21 op [ -w config.h ] && mv config.h config.h.old
25 12042ad7 2021-01-21 op # Output file descriptor usage:
26 12042ad7 2021-01-21 op # 1 (stdout): config.h, Makefile.local
27 12042ad7 2021-01-21 op # 2 (stderr): original stderr, usually to the console
28 12042ad7 2021-01-21 op # 3: config.log
30 12042ad7 2021-01-21 op exec 3> config.log
31 12042ad7 2021-01-21 op echo "file config.log: writing..."
34 40dc608f 2021-01-27 op # default settings: initialize all vars here such that nothing is
35 40dc608f 2021-01-27 op # leaked from the environment except for CC and CFLAGS
37 40dc608f 2021-01-27 op CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make ${MAKE_FLAGS} -sf -`
38 40dc608f 2021-01-27 op CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
39 40dc608f 2021-01-27 op CFLAGS="${CFLAGS} -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes"
40 40dc608f 2021-01-27 op CFLAGS="${CFLAGS} -Wwrite-strings -Wno-unused-parameter"
41 337c7420 2021-02-08 op LDFLAGS="-ltls -levent"
47 5c342d05 2021-01-21 op HAVE_EXPLICIT_BZERO=
48 12042ad7 2021-01-21 op HAVE_GETPROGNAME=
49 337c7420 2021-02-08 op HAVE_LIBEVENT=
52 fe90d24f 2021-02-04 op HAVE_PR_SET_NAME=
53 5c342d05 2021-01-21 op HAVE_RECALLOCARRAY=
54 fe90d24f 2021-02-04 op HAVE_SETPROCTITLE=
57 5c342d05 2021-01-21 op HAVE_STRTONUM=
58 12042ad7 2021-01-21 op HAVE_VASPRINTF=
60 12042ad7 2021-01-21 op NEED_GNU_SOURCE=0
61 12042ad7 2021-01-21 op NEED_OPENBSD_SOURCE=0
63 12042ad7 2021-01-21 op PREFIX="/usr/local"
66 12042ad7 2021-01-21 op INSTALL="install"
68 12042ad7 2021-01-21 op # try to auto detect CFLAGS and LDFLAGS
69 8443bff7 2021-01-25 op if which pkg-config 2>/dev/null 1>&2; then
70 8443bff7 2021-01-25 op if pkg-config libtls; then
71 809c4bd0 2021-02-07 op CFLAGS="${CFLAGS} $(pkg-config --cflags libtls)"
72 8443bff7 2021-01-25 op LDFLAGS="$(pkg-config --libs libtls)"
74 8443bff7 2021-01-25 op if pkg-config openssl; then
75 8443bff7 2021-01-25 op CFLAGS="${CFLAGS} $(pkg-config --cflags openssl)"
76 8443bff7 2021-01-25 op LDFLAGS="${LDFLAGS} $(pkg-config --libs openssl)"
79 337c7420 2021-02-08 op if ! [ "$(uname)" = "OpenBSD" ]; then
80 337c7420 2021-02-08 op if pkg-config libevent; then
81 337c7420 2021-02-08 op CFLAGS="${CFLAGS} $(pkg-config --cflags openssl)"
82 337c7420 2021-02-08 op LDFLAGS="${LDFLAGS} $(pkg-config --libs openssl)"
87 12042ad7 2021-01-21 op # auto detect lex/flex
88 12042ad7 2021-01-21 op which ${LEX} 2>/dev/null 1>&2 || {
89 12042ad7 2021-01-21 op echo "${LEX} not found: trying flex" 1>&2
90 12042ad7 2021-01-21 op echo "${LEX} not found: trying flex" 1>&3
92 12042ad7 2021-01-21 op which ${LEX} 2>/dev/null 1>&2 || {
93 12042ad7 2021-01-21 op echo "${LEX} not found: giving up" 1>&2
94 12042ad7 2021-01-21 op echo "${LEX} not found: giving up" 1>&3
98 12042ad7 2021-01-21 op # auto detect yacc/bison
99 12042ad7 2021-01-21 op which ${YACC} 2>/dev/null 1>&2 || {
100 12042ad7 2021-01-21 op echo "${YACC} not found: trying bison" 1>&2
101 12042ad7 2021-01-21 op echo "${YACC} not found: trying bison" 1>&3
103 12042ad7 2021-01-21 op which ${YACC} 2>/dev/null 1>&2 || {
104 12042ad7 2021-01-21 op echo "${YACC} not found: giving up" 1>&2
105 12042ad7 2021-01-21 op echo "${YACC} not found: giving up" 1>&3
110 12042ad7 2021-01-21 op # allow certain variables to be overridden on the command line
112 12042ad7 2021-01-21 op for keyvals in "$@"; do
113 12042ad7 2021-01-21 op key=`echo $keyvals | cut -s -d '=' -f1`
114 12042ad7 2021-01-21 op if [ -z "$key" ]; then
115 12042ad7 2021-01-21 op echo "$0: invalid key-value: $keyvals" 1>&2
118 597ddf6c 2021-01-21 op val=`echo $keyvals | cut -d '=' -f 2-`
119 12042ad7 2021-01-21 op case "$key" in
120 12042ad7 2021-01-21 op BINDIR) BINDIR="$val" ;;
121 12042ad7 2021-01-21 op CC) CC="$val" ;;
122 12042ad7 2021-01-21 op CFLAGS) CFLAGS="$val" ;;
123 12042ad7 2021-01-21 op DESTDIR) DESTDIR="$val" ;;
124 12042ad7 2021-01-21 op LDFLAGS) LDFLAGS="$val" ;;
125 12042ad7 2021-01-21 op LEX) LEX="$lex" ;;
126 12042ad7 2021-01-21 op PREFIX) PREFIX="$val" ;;
127 12042ad7 2021-01-21 op YACC) YACC="$val" ;;
129 12042ad7 2021-01-21 op echo "$0: invalid key: $key" 1>&2
135 12042ad7 2021-01-21 op # tests functions
137 12042ad7 2021-01-21 op # Check whether this HAVE_ setting is manually overridden.
138 12042ad7 2021-01-21 op # If yes, use the override, if no, do not decide anything yet.
139 12042ad7 2021-01-21 op # Arguments: test file name, test var name, manual value
141 12042ad7 2021-01-21 op [ -z "${3}" ] && return 1
142 12042ad7 2021-01-21 op echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
143 12042ad7 2021-01-21 op echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
148 12042ad7 2021-01-21 op # Run a single autoconfiguration test.
149 12042ad7 2021-01-21 op # In case of success, enable the feature.
150 12042ad7 2021-01-21 op # In case of failure, do not decide anything yet.
151 12042ad7 2021-01-21 op # Arguments: test file name, test var name, additional CFLAGS
152 12042ad7 2021-01-21 op singletest() {
154 12042ad7 2021-01-21 op cat 1>&3 << __HEREDOC__
155 12042ad7 2021-01-21 op testing ${n} ...
156 12042ad7 2021-01-21 op ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
159 12042ad7 2021-01-21 op if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
161 12042ad7 2021-01-21 op echo "partial result of ${n}: ${CC} succeeded" 1>&3
163 12042ad7 2021-01-21 op echo "tested ${n}: no (compilation failed)" 1>&2
164 12042ad7 2021-01-21 op echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
165 12042ad7 2021-01-21 op echo "result of compiling ${n}: no" 1>&3
170 12042ad7 2021-01-21 op if ./have/${1} 1>&3 2>&3; then
171 12042ad7 2021-01-21 op echo "tested ${n}: yes" 1>&2
172 12042ad7 2021-01-21 op echo "result of running ${n}: yes" 1>&3
174 12042ad7 2021-01-21 op eval HAVE_${2}=1
175 12042ad7 2021-01-21 op [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
176 12042ad7 2021-01-21 op [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
177 12042ad7 2021-01-21 op [ "${3}" = "-lsocket" ] && LD_RECVMSG="-lsocket"
178 12042ad7 2021-01-21 op rm "have/${1}"
181 12042ad7 2021-01-21 op echo "tested ${n}: no (execution failed)" 1>&2
182 12042ad7 2021-01-21 op echo "result of ${n}: execution failed with exit status $?" 1>&3
183 12042ad7 2021-01-21 op echo "result of running ${n}: no" 1>&3
185 12042ad7 2021-01-21 op rm "have/${1}"
190 12042ad7 2021-01-21 op # Run a complete autoconfiguration test, including the check for
191 12042ad7 2021-01-21 op # a manual override and disabling the feature on failure.
192 12042ad7 2021-01-21 op # Arguments: test file name, test var name, additional CFLAGS
193 12042ad7 2021-01-21 op # The final argument can optionally be repeated a second time.
195 12042ad7 2021-01-21 op eval _manual=\${HAVE_${2}}
196 12042ad7 2021-01-21 op ismanual "${1}" "${2}" "${_manual}" && return 0
197 12042ad7 2021-01-21 op singletest "${1}" "${2}" "${3}" && return 0
198 12042ad7 2021-01-21 op [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
199 12042ad7 2021-01-21 op eval HAVE_${2}=0
204 12042ad7 2021-01-21 op # compiler options
206 40dc608f 2021-01-27 op COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
208 12042ad7 2021-01-21 op echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
209 12042ad7 2021-01-21 op echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
212 12042ad7 2021-01-21 op if [ -n "${STATIC}" ]; then
213 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
214 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
217 12042ad7 2021-01-21 op runtest noop STATIC -static || true
218 12042ad7 2021-01-21 op [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
219 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\"" 1>&2
220 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\"" 1>&3
225 12042ad7 2021-01-21 op # tests for config.h
227 12042ad7 2021-01-21 op runtest err ERR || true
228 5c342d05 2021-01-21 op runtest explicit_bzero EXPLICIT_BZERO || true
229 2d7abb70 2021-01-21 op runtest getprogname GETPROGNAME || true
230 337c7420 2021-02-08 op runtest libevent LIBEVENT || true
231 12042ad7 2021-01-21 op runtest libtls LIBTLS || true
232 8443bff7 2021-01-25 op runtest openssl OPENSSL || true
233 fe90d24f 2021-02-04 op runtest pr_set_name PR_SET_NAME || true
234 5c342d05 2021-01-21 op runtest recallocarray RECALLOCARRAY || true
235 fe90d24f 2021-02-04 op runtest setproctitle SETPROCTITLE || true
236 12042ad7 2021-01-21 op runtest strlcat STRLCAT || true
237 12042ad7 2021-01-21 op runtest strlcpy STRLCPY || true
238 5c342d05 2021-01-21 op runtest strtonum STRTONUM || true
239 12042ad7 2021-01-21 op runtest vasprintf VASPRINTF "" -D_GNU_SOURCE || true
241 12042ad7 2021-01-21 op if [ ${HAVE_LIBTLS} -eq 0 ]; then
242 12042ad7 2021-01-21 op echo "FATAL: libtls not found" 1>&2
243 12042ad7 2021-01-21 op echo "FATAL: libtls not found" 1>&3
247 8443bff7 2021-01-25 op if [ ${HAVE_OPENSSL} -eq 0 ]; then
248 8443bff7 2021-01-25 op echo "FATAL: openssl not found" 1>&2
249 8443bff7 2021-01-25 op echo "FATAL: openssl not found" 1>&3
253 337c7420 2021-02-08 op if [ ${HAVE_LIBEVENT} -eq 0 ]; then
254 337c7420 2021-02-08 op echo "FATAL: libevent not found" 1>&2
255 337c7420 2021-02-08 op echo "FATAL: libevent not found" 1>&3
260 12042ad7 2021-01-21 op # write config.h
262 12042ad7 2021-01-21 op exec > config.h
264 12042ad7 2021-01-21 op cat <<__HEREDOC__
265 12042ad7 2021-01-21 op #ifdef __cplusplus
266 12042ad7 2021-01-21 op #error "Do not use C++."
270 12042ad7 2021-01-21 op [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE"
271 12042ad7 2021-01-21 op [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE"
273 12042ad7 2021-01-21 op [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
274 12042ad7 2021-01-21 op && echo "#include <sys/types.h>"
275 12042ad7 2021-01-21 op [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
277 12042ad7 2021-01-21 op cat <<__HEREDOC__
279 12042ad7 2021-01-21 op #define HAVE_ERR ${HAVE_ERR}
280 5c342d05 2021-01-21 op #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
281 12042ad7 2021-01-21 op #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
282 337c7420 2021-02-08 op #define HAVE_LIBEVENT ${HAVE_LIBEVENT}
283 fe90d24f 2021-02-04 op #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
284 5c342d05 2021-01-21 op #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
285 fe90d24f 2021-02-04 op #define HAVE_SETPROCTITLE ${SETPROCTITLE}
286 12042ad7 2021-01-21 op #define HAVE_STRLCAT ${HAVE_STRLCAT}
287 12042ad7 2021-01-21 op #define HAVE_STRLCPY ${HAVE_STRLCPY}
288 5c342d05 2021-01-21 op #define HAVE_STRTONUM ${HAVE_STRTONUM}
289 12042ad7 2021-01-21 op #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
293 7e262563 2021-01-22 op [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
295 7e262563 2021-01-22 op [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
296 7e262563 2021-01-22 op ${HAVE_RECALLOCARRAY} -eq 0 -o \
297 7e262563 2021-01-22 op ${HAVE_STRLCAT} -eq 0 -o \
298 7e262563 2021-01-22 op ${HAVE_STRLCPY} -eq 0 -o \
299 7e262563 2021-01-22 op ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
301 12042ad7 2021-01-21 op if [ ${HAVE_ERR} -eq 0 ]; then
302 12042ad7 2021-01-21 op echo "extern void err(int, const char*, ...);"
303 12042ad7 2021-01-21 op echo "extern void errx(int, const char*, ...);"
304 12042ad7 2021-01-21 op echo "extern void warn(const char*, ...);"
305 12042ad7 2021-01-21 op echo "extern void warnx(const char*, ...);"
306 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/err.o"
308 2d7abb70 2021-01-21 op echo "#include <err.h>"
310 5c342d05 2021-01-21 op if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
311 5c342d05 2021-01-21 op echo "extern void explicit_bzero(void*, size_t);"
312 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/explicit_bzero.o"
314 333a6711 2021-01-25 op if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
315 333a6711 2021-01-25 op echo "extern const char *getprogname(void);"
316 333a6711 2021-01-25 op COMPAT="${COMPAT} compat/getprogname.o"
318 5c342d05 2021-01-21 op if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
319 5c342d05 2021-01-21 op echo "extern void* recallocarray(void*, size_t, size_t, size_t);"
320 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/recallocarray.o"
322 fe90d24f 2021-02-04 op if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
323 fe90d24f 2021-02-04 op echo "extern void setproctitle(const char *fmt, ...);"
324 fe90d24f 2021-02-04 op COMPAT="${COMPAT} compat/setproctitle.o"
326 12042ad7 2021-01-21 op if [ ${HAVE_STRLCAT} -eq 0 ]; then
327 12042ad7 2021-01-21 op echo "extern size_t strlcat(char*, const char*, size_t);"
328 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/strlcat.o"
330 12042ad7 2021-01-21 op if [ ${HAVE_STRLCPY} -eq 0 ]; then
331 12042ad7 2021-01-21 op echo "extern size_t strlcpy(char*, const char*, size_t);"
332 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/strlcpy.o"
334 5c342d05 2021-01-21 op if [ ${HAVE_STRTONUM} -eq 0 ]; then
335 3527b7a5 2021-01-22 op echo "extern long long strtonum(const char*, long long, long long, const char**);"
336 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/strtonum.o"
338 12042ad7 2021-01-21 op if [ ${HAVE_VASPRINTF} -eq 0 ]; then
339 12042ad7 2021-01-21 op echo "extern int vasprintf(char**, const char*, va_list);"
340 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/vasprintf.o"
342 12042ad7 2021-01-21 op echo "file config.h: written" 1>&2
343 12042ad7 2021-01-21 op echo "file config.h: written" 1>&3
346 12042ad7 2021-01-21 op # tests for Makefile.local
348 12042ad7 2021-01-21 op exec > Makefile.local
350 12042ad7 2021-01-21 op [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
351 12042ad7 2021-01-21 op [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
353 12042ad7 2021-01-21 op [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
354 12042ad7 2021-01-21 op [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
355 12042ad7 2021-01-21 op [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
356 12042ad7 2021-01-21 op [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
358 12042ad7 2021-01-21 op cat << __HEREDOC__
360 12042ad7 2021-01-21 op CFLAGS = ${CFLAGS}
361 12042ad7 2021-01-21 op LDFLAGS = ${LDFLAGS}
362 12042ad7 2021-01-21 op YACC = ${YACC}
364 12042ad7 2021-01-21 op COMPAT = ${COMPAT}
365 12042ad7 2021-01-21 op STATIC = ${STATIC}
366 12042ad7 2021-01-21 op PREFIX = ${PREFIX}
367 12042ad7 2021-01-21 op BINDIR = ${BINDIR}
368 60dbafbf 2021-02-07 op MANDIR = ${MANDIR}
369 12042ad7 2021-01-21 op INCLUDEDIR = ${INCLUDEDIR}
370 12042ad7 2021-01-21 op INSTALL = ${INSTALL}
371 12042ad7 2021-01-21 op INSTALL_PROGRAM = ${INSTALL_PROGRAM}
372 12042ad7 2021-01-21 op INSTALL_LIB = ${INSTALL_LIB}
373 12042ad7 2021-01-21 op INSTALL_MAN = ${INSTALL_MAN}
374 12042ad7 2021-01-21 op INSTALL_DATA = ${INSTALL_DATA}
377 12042ad7 2021-01-21 op echo "file Makefile.local: written" 1>&2
378 12042ad7 2021-01-21 op echo "file Makefile.local: written" 1>&3
