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} $(pkg-config --libs openssl)"
79 1516fd4d 2021-02-08 op case "$(uname)" in
82 1516fd4d 2021-02-08 op if pkg-config libevent; then
83 1516fd4d 2021-02-08 op CFLAGS="${CFLAGS} $(pkg-config --cflags libevent)"
84 1516fd4d 2021-02-08 op LDFLAGS="${LDFLAGS} $(pkg-config --libs libevent)"
90 12042ad7 2021-01-21 op # auto detect lex/flex
91 12042ad7 2021-01-21 op which ${LEX} 2>/dev/null 1>&2 || {
92 12042ad7 2021-01-21 op echo "${LEX} not found: trying flex" 1>&2
93 12042ad7 2021-01-21 op echo "${LEX} not found: trying flex" 1>&3
95 12042ad7 2021-01-21 op which ${LEX} 2>/dev/null 1>&2 || {
96 12042ad7 2021-01-21 op echo "${LEX} not found: giving up" 1>&2
97 12042ad7 2021-01-21 op echo "${LEX} not found: giving up" 1>&3
101 12042ad7 2021-01-21 op # auto detect yacc/bison
102 12042ad7 2021-01-21 op which ${YACC} 2>/dev/null 1>&2 || {
103 12042ad7 2021-01-21 op echo "${YACC} not found: trying bison" 1>&2
104 12042ad7 2021-01-21 op echo "${YACC} not found: trying bison" 1>&3
106 12042ad7 2021-01-21 op which ${YACC} 2>/dev/null 1>&2 || {
107 12042ad7 2021-01-21 op echo "${YACC} not found: giving up" 1>&2
108 12042ad7 2021-01-21 op echo "${YACC} not found: giving up" 1>&3
113 12042ad7 2021-01-21 op # allow certain variables to be overridden on the command line
115 12042ad7 2021-01-21 op for keyvals in "$@"; do
116 12042ad7 2021-01-21 op key=`echo $keyvals | cut -s -d '=' -f1`
117 12042ad7 2021-01-21 op if [ -z "$key" ]; then
118 12042ad7 2021-01-21 op echo "$0: invalid key-value: $keyvals" 1>&2
121 597ddf6c 2021-01-21 op val=`echo $keyvals | cut -d '=' -f 2-`
122 12042ad7 2021-01-21 op case "$key" in
123 12042ad7 2021-01-21 op BINDIR) BINDIR="$val" ;;
124 12042ad7 2021-01-21 op CC) CC="$val" ;;
125 12042ad7 2021-01-21 op CFLAGS) CFLAGS="$val" ;;
126 12042ad7 2021-01-21 op DESTDIR) DESTDIR="$val" ;;
127 12042ad7 2021-01-21 op LDFLAGS) LDFLAGS="$val" ;;
128 12042ad7 2021-01-21 op LEX) LEX="$lex" ;;
129 12042ad7 2021-01-21 op PREFIX) PREFIX="$val" ;;
130 12042ad7 2021-01-21 op YACC) YACC="$val" ;;
132 12042ad7 2021-01-21 op echo "$0: invalid key: $key" 1>&2
138 12042ad7 2021-01-21 op # tests functions
140 12042ad7 2021-01-21 op # Check whether this HAVE_ setting is manually overridden.
141 12042ad7 2021-01-21 op # If yes, use the override, if no, do not decide anything yet.
142 12042ad7 2021-01-21 op # Arguments: test file name, test var name, manual value
144 12042ad7 2021-01-21 op [ -z "${3}" ] && return 1
145 12042ad7 2021-01-21 op echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
146 12042ad7 2021-01-21 op echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
151 12042ad7 2021-01-21 op # Run a single autoconfiguration test.
152 12042ad7 2021-01-21 op # In case of success, enable the feature.
153 12042ad7 2021-01-21 op # In case of failure, do not decide anything yet.
154 12042ad7 2021-01-21 op # Arguments: test file name, test var name, additional CFLAGS
155 12042ad7 2021-01-21 op singletest() {
157 12042ad7 2021-01-21 op cat 1>&3 << __HEREDOC__
158 12042ad7 2021-01-21 op testing ${n} ...
159 12042ad7 2021-01-21 op ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
162 12042ad7 2021-01-21 op if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
164 12042ad7 2021-01-21 op echo "partial result of ${n}: ${CC} succeeded" 1>&3
166 12042ad7 2021-01-21 op echo "tested ${n}: no (compilation failed)" 1>&2
167 12042ad7 2021-01-21 op echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
168 12042ad7 2021-01-21 op echo "result of compiling ${n}: no" 1>&3
173 12042ad7 2021-01-21 op if ./have/${1} 1>&3 2>&3; then
174 12042ad7 2021-01-21 op echo "tested ${n}: yes" 1>&2
175 12042ad7 2021-01-21 op echo "result of running ${n}: yes" 1>&3
177 12042ad7 2021-01-21 op eval HAVE_${2}=1
178 12042ad7 2021-01-21 op [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
179 12042ad7 2021-01-21 op [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
180 12042ad7 2021-01-21 op [ "${3}" = "-lsocket" ] && LD_RECVMSG="-lsocket"
181 12042ad7 2021-01-21 op rm "have/${1}"
184 12042ad7 2021-01-21 op echo "tested ${n}: no (execution failed)" 1>&2
185 12042ad7 2021-01-21 op echo "result of ${n}: execution failed with exit status $?" 1>&3
186 12042ad7 2021-01-21 op echo "result of running ${n}: no" 1>&3
188 12042ad7 2021-01-21 op rm "have/${1}"
193 12042ad7 2021-01-21 op # Run a complete autoconfiguration test, including the check for
194 12042ad7 2021-01-21 op # a manual override and disabling the feature on failure.
195 12042ad7 2021-01-21 op # Arguments: test file name, test var name, additional CFLAGS
196 12042ad7 2021-01-21 op # The final argument can optionally be repeated a second time.
198 12042ad7 2021-01-21 op eval _manual=\${HAVE_${2}}
199 12042ad7 2021-01-21 op ismanual "${1}" "${2}" "${_manual}" && return 0
200 12042ad7 2021-01-21 op singletest "${1}" "${2}" "${3}" && return 0
201 12042ad7 2021-01-21 op [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
202 12042ad7 2021-01-21 op eval HAVE_${2}=0
207 12042ad7 2021-01-21 op # compiler options
209 40dc608f 2021-01-27 op COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
211 12042ad7 2021-01-21 op echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
212 12042ad7 2021-01-21 op echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
215 12042ad7 2021-01-21 op if [ -n "${STATIC}" ]; then
216 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
217 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
220 12042ad7 2021-01-21 op runtest noop STATIC -static || true
221 12042ad7 2021-01-21 op [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
222 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\"" 1>&2
223 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\"" 1>&3
228 12042ad7 2021-01-21 op # tests for config.h
230 12042ad7 2021-01-21 op runtest err ERR || true
231 5c342d05 2021-01-21 op runtest explicit_bzero EXPLICIT_BZERO || true
232 2d7abb70 2021-01-21 op runtest getprogname GETPROGNAME || true
233 337c7420 2021-02-08 op runtest libevent LIBEVENT || true
234 12042ad7 2021-01-21 op runtest libtls LIBTLS || true
235 8443bff7 2021-01-25 op runtest openssl OPENSSL || true
236 fe90d24f 2021-02-04 op runtest pr_set_name PR_SET_NAME || true
237 5c342d05 2021-01-21 op runtest recallocarray RECALLOCARRAY || true
238 fe90d24f 2021-02-04 op runtest setproctitle SETPROCTITLE || true
239 12042ad7 2021-01-21 op runtest strlcat STRLCAT || true
240 12042ad7 2021-01-21 op runtest strlcpy STRLCPY || true
241 5c342d05 2021-01-21 op runtest strtonum STRTONUM || true
242 12042ad7 2021-01-21 op runtest vasprintf VASPRINTF "" -D_GNU_SOURCE || true
244 12042ad7 2021-01-21 op if [ ${HAVE_LIBTLS} -eq 0 ]; then
245 12042ad7 2021-01-21 op echo "FATAL: libtls not found" 1>&2
246 12042ad7 2021-01-21 op echo "FATAL: libtls not found" 1>&3
250 8443bff7 2021-01-25 op if [ ${HAVE_OPENSSL} -eq 0 ]; then
251 8443bff7 2021-01-25 op echo "FATAL: openssl not found" 1>&2
252 8443bff7 2021-01-25 op echo "FATAL: openssl not found" 1>&3
256 337c7420 2021-02-08 op if [ ${HAVE_LIBEVENT} -eq 0 ]; then
257 337c7420 2021-02-08 op echo "FATAL: libevent not found" 1>&2
258 337c7420 2021-02-08 op echo "FATAL: libevent not found" 1>&3
263 12042ad7 2021-01-21 op # write config.h
265 12042ad7 2021-01-21 op exec > config.h
267 12042ad7 2021-01-21 op cat <<__HEREDOC__
268 12042ad7 2021-01-21 op #ifdef __cplusplus
269 12042ad7 2021-01-21 op #error "Do not use C++."
273 12042ad7 2021-01-21 op [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE"
274 12042ad7 2021-01-21 op [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE"
276 12042ad7 2021-01-21 op [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
277 12042ad7 2021-01-21 op && echo "#include <sys/types.h>"
278 12042ad7 2021-01-21 op [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
280 12042ad7 2021-01-21 op cat <<__HEREDOC__
282 12042ad7 2021-01-21 op #define HAVE_ERR ${HAVE_ERR}
283 5c342d05 2021-01-21 op #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
284 12042ad7 2021-01-21 op #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
285 337c7420 2021-02-08 op #define HAVE_LIBEVENT ${HAVE_LIBEVENT}
286 fe90d24f 2021-02-04 op #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
287 5c342d05 2021-01-21 op #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
288 fe90d24f 2021-02-04 op #define HAVE_SETPROCTITLE ${SETPROCTITLE}
289 12042ad7 2021-01-21 op #define HAVE_STRLCAT ${HAVE_STRLCAT}
290 12042ad7 2021-01-21 op #define HAVE_STRLCPY ${HAVE_STRLCPY}
291 5c342d05 2021-01-21 op #define HAVE_STRTONUM ${HAVE_STRTONUM}
292 12042ad7 2021-01-21 op #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
296 7e262563 2021-01-22 op [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
298 7e262563 2021-01-22 op [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
299 7e262563 2021-01-22 op ${HAVE_RECALLOCARRAY} -eq 0 -o \
300 7e262563 2021-01-22 op ${HAVE_STRLCAT} -eq 0 -o \
301 7e262563 2021-01-22 op ${HAVE_STRLCPY} -eq 0 -o \
302 7e262563 2021-01-22 op ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
304 12042ad7 2021-01-21 op if [ ${HAVE_ERR} -eq 0 ]; then
305 12042ad7 2021-01-21 op echo "extern void err(int, const char*, ...);"
306 12042ad7 2021-01-21 op echo "extern void errx(int, const char*, ...);"
307 12042ad7 2021-01-21 op echo "extern void warn(const char*, ...);"
308 12042ad7 2021-01-21 op echo "extern void warnx(const char*, ...);"
309 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/err.o"
311 2d7abb70 2021-01-21 op echo "#include <err.h>"
313 5c342d05 2021-01-21 op if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
314 5c342d05 2021-01-21 op echo "extern void explicit_bzero(void*, size_t);"
315 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/explicit_bzero.o"
317 333a6711 2021-01-25 op if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
318 333a6711 2021-01-25 op echo "extern const char *getprogname(void);"
319 333a6711 2021-01-25 op COMPAT="${COMPAT} compat/getprogname.o"
321 5c342d05 2021-01-21 op if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
322 5c342d05 2021-01-21 op echo "extern void* recallocarray(void*, size_t, size_t, size_t);"
323 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/recallocarray.o"
325 fe90d24f 2021-02-04 op if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
326 fe90d24f 2021-02-04 op echo "extern void setproctitle(const char *fmt, ...);"
327 fe90d24f 2021-02-04 op COMPAT="${COMPAT} compat/setproctitle.o"
329 12042ad7 2021-01-21 op if [ ${HAVE_STRLCAT} -eq 0 ]; then
330 12042ad7 2021-01-21 op echo "extern size_t strlcat(char*, const char*, size_t);"
331 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/strlcat.o"
333 12042ad7 2021-01-21 op if [ ${HAVE_STRLCPY} -eq 0 ]; then
334 12042ad7 2021-01-21 op echo "extern size_t strlcpy(char*, const char*, size_t);"
335 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/strlcpy.o"
337 5c342d05 2021-01-21 op if [ ${HAVE_STRTONUM} -eq 0 ]; then
338 3527b7a5 2021-01-22 op echo "extern long long strtonum(const char*, long long, long long, const char**);"
339 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/strtonum.o"
341 12042ad7 2021-01-21 op if [ ${HAVE_VASPRINTF} -eq 0 ]; then
342 12042ad7 2021-01-21 op echo "extern int vasprintf(char**, const char*, va_list);"
343 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/vasprintf.o"
345 12042ad7 2021-01-21 op echo "file config.h: written" 1>&2
346 12042ad7 2021-01-21 op echo "file config.h: written" 1>&3
349 12042ad7 2021-01-21 op # tests for Makefile.local
351 12042ad7 2021-01-21 op exec > Makefile.local
353 12042ad7 2021-01-21 op [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
354 12042ad7 2021-01-21 op [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
356 12042ad7 2021-01-21 op [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
357 12042ad7 2021-01-21 op [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
358 12042ad7 2021-01-21 op [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
359 12042ad7 2021-01-21 op [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
361 12042ad7 2021-01-21 op cat << __HEREDOC__
363 12042ad7 2021-01-21 op CFLAGS = ${CFLAGS}
364 12042ad7 2021-01-21 op LDFLAGS = ${LDFLAGS}
365 12042ad7 2021-01-21 op YACC = ${YACC}
367 12042ad7 2021-01-21 op COMPAT = ${COMPAT}
368 12042ad7 2021-01-21 op STATIC = ${STATIC}
369 12042ad7 2021-01-21 op PREFIX = ${PREFIX}
370 12042ad7 2021-01-21 op BINDIR = ${BINDIR}
371 60dbafbf 2021-02-07 op MANDIR = ${MANDIR}
372 12042ad7 2021-01-21 op INCLUDEDIR = ${INCLUDEDIR}
373 12042ad7 2021-01-21 op INSTALL = ${INSTALL}
374 12042ad7 2021-01-21 op INSTALL_PROGRAM = ${INSTALL_PROGRAM}
375 12042ad7 2021-01-21 op INSTALL_LIB = ${INSTALL_LIB}
376 12042ad7 2021-01-21 op INSTALL_MAN = ${INSTALL_MAN}
377 12042ad7 2021-01-21 op INSTALL_DATA = ${INSTALL_DATA}
380 12042ad7 2021-01-21 op echo "file Makefile.local: written" 1>&2
381 12042ad7 2021-01-21 op echo "file Makefile.local: written" 1>&3
