3 # Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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.
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
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
31 echo "file config.log: writing..."
34 # default settings: initialize all vars here such that nothing is
35 # leaked from the environment except for CC, CFLAGS and LDFLAGS
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 ${MAKE_FLAGS} -sf -`
45 CFLAGS="${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"
68 if pkg-config "$1"; then
69 CFLAGS="${CFLAGS} $(pkg-config --cflags "$1")"
70 LDFLAGS="${LDFLAGS} $(pkg-config --libs "$1")"
74 # try to auto detect CFLAGS and LDFLAGS
75 if which pkg-config 2>/dev/null 1>&2; then
81 # use libevent and imsg in base
84 add_library "libevent"
90 *BSD|DragonFly|Darwin)
93 add_library "libbsd-ctor libbsd-overlay"
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
103 which ${YACC} 2>/dev/null 1>&2 || {
104 echo "${YACC} not found: giving up" 1>&2
105 echo "${YACC} not found: giving up" 1>&3
110 # allow certain variables to be overridden on the command line
112 for keyvals in "$@"; do
113 if [ "$keyvals" = "--disable-sandbox" ]; then
118 if [ "$keyvals" = "--enable-sandbox" ]; then
123 key=`echo $keyvals | cut -s -d '=' -f1`
124 if [ -z "$key" ]; then
125 echo "$0: invalid key-value: $keyvals" 1>&2
128 val=`echo $keyvals | cut -d '=' -f 2-`
130 BINDIR) BINDIR="$val" ;;
132 CFLAGS) CFLAGS="$val" ;;
133 DESTDIR) DESTDIR="$val" ;;
134 LDFLAGS) LDFLAGS="$val" ;;
135 PREFIX) PREFIX="$val" ;;
138 echo "$0: invalid key: $key" 1>&2
146 # Check whether this HAVE_ setting is manually overridden.
147 # If yes, use the override, if no, do not decide anything yet.
148 # Arguments: test file name, test var name, manual value
150 [ -z "${3}" ] && return 1
151 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
152 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
157 # Run a single autoconfiguration test.
158 # In case of success, enable the feature.
159 # In case of failure, do not decide anything yet.
160 # Arguments: test file name, test var name, additional CFLAGS
163 cat 1>&3 << __HEREDOC__
165 ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
168 if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
170 echo "partial result of ${n}: ${CC} succeeded" 1>&3
172 echo "tested ${n}: no (compilation failed)" 1>&2
173 echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
174 echo "result of compiling ${n}: no" 1>&3
179 if ./have/${1} 1>&3 2>&3; then
180 echo "tested ${n}: yes" 1>&2
181 echo "result of running ${n}: yes" 1>&3
184 [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
185 [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
186 [ "${3}" = "-lutil" ] && LD_IMSG="-lutil"
190 echo "tested ${n}: no (execution failed)" 1>&2
191 echo "result of ${n}: execution failed with exit status $?" 1>&3
192 echo "result of running ${n}: no" 1>&3
199 # Run a complete autoconfiguration test, including the check for
200 # a manual override and disabling the feature on failure.
201 # Arguments: test file name, test var name, additional CFLAGS
202 # The final argument can optionally be repeated a second time.
204 eval _manual=\${HAVE_${2}}
205 ismanual "${1}" "${2}" "${_manual}" && return 0
206 singletest "${1}" "${2}" "${3}" && return 0
207 [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
215 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
217 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
218 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
221 if [ -n "${STATIC}" ]; then
222 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
223 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
226 runtest noop STATIC -static || true
227 [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
228 echo "selected STATIC=\"${STATIC}\"" 1>&2
229 echo "selected STATIC=\"${STATIC}\"" 1>&3
236 runtest err ERR || true
237 runtest explicit_bzero EXPLICIT_BZERO || true
238 runtest freezero FREEZERO || true
239 runtest getdtablecount GETDTABLECOUNT || true
240 runtest getdtablesize GETDTABLESIZE || true
241 runtest getprogname GETPROGNAME || true
242 runtest imsg IMSG -lutil || true
243 runtest libevent LIBEVENT || true
244 runtest libtls LIBTLS || true
245 runtest openssl OPENSSL || true
246 runtest pr_set_name PR_SET_NAME || true
247 runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME "" -D_GNU_SOURCE || true
248 runtest queue_h QUEUE_H || true
249 runtest reallocarray REALLOCARRAY || true
250 runtest recallocarray RECALLOCARRAY || true
251 runtest setproctitle SETPROCTITLE || true
252 runtest strlcat STRLCAT || true
253 runtest strlcpy STRLCPY || true
254 runtest strtonum STRTONUM || 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
263 if [ ${HAVE_OPENSSL} -eq 0 ]; then
264 echo "FATAL: openssl not found" 1>&2
265 echo "FATAL: openssl not found" 1>&3
269 if [ ${HAVE_LIBEVENT} -eq 0 ]; then
270 echo "FATAL: libevent not found" 1>&2
271 echo "FATAL: libevent not found" 1>&3
275 if [ ${HAVE_QUEUE_H} -eq 0 -o ${HAVE_IMSG} -eq 0 ]; then
276 CFLAGS="${CFLAGS} -I ${PWD}/compat"
286 #error "Do not use C++."
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 [ ${HAVE_QUEUE_H} -eq 1 ]; then
298 echo "#include <sys/queue.h>"
300 echo "#include <queue.h>"
303 echo "#include <sys/types.h>"
304 echo "#include <sys/uio.h>"
305 echo "#include <stdint.h>"
306 echo "#include <imsg.h>"
310 #define VERSION "${VERSION}"
311 #define DISABLE_SANDBOX ${DISABLE_SANDBOX}
313 #define HAVE_ERR ${HAVE_ERR}
314 #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
315 #define HAVE_FREEZERO ${HAVE_FREEZERO}
316 #define HAVE_GETDTABLECOUNT ${HAVE_GETDTABLECOUNT}
317 #define HAVE_GETDTABLESIZE ${HAVE_GETDTABLESIZE}
318 #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
319 #define HAVE_IMSG ${HAVE_IMSG}
320 #define HAVE_LIBEVENT ${HAVE_LIBEVENT}
321 #define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
322 #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
323 #define HAVE_QUEUE_H ${HAVE_QUEUE_H}
324 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
325 #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
326 #define HAVE_SETPROCTITLE ${HAVE_SETPROCTITLE}
327 #define HAVE_STRLCAT ${HAVE_STRLCAT}
328 #define HAVE_STRLCPY ${HAVE_STRLCPY}
329 #define HAVE_STRTONUM ${HAVE_STRTONUM}
330 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
334 [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
335 ${HAVE_FREEZERO} -eq 0 -o \
336 ${HAVE_REALLOCARRAY} -eq 0 -o \
337 ${HAVE_RECALLOCARRAY} -eq 0 -o \
338 ${HAVE_STRLCAT} -eq 0 -o \
339 ${HAVE_STRLCPY} -eq 0 -o \
340 ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
342 if [ ${HAVE_ERR} -eq 0 ]; then
343 echo "extern void err(int, const char*, ...);"
344 echo "extern void errx(int, const char*, ...);"
345 echo "extern void warn(const char*, ...);"
346 echo "extern void warnx(const char*, ...);"
347 COMPAT="${COMPAT} compat/err.o"
349 echo "#include <err.h>"
351 if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
352 echo "extern void explicit_bzero(void*, size_t);"
353 COMPAT="${COMPAT} compat/explicit_bzero.o"
355 if [ ${HAVE_FREEZERO} -eq 0 ]; then
356 echo "extern void freezero(void*, size_t);"
357 COMPAT="${COMPAT} compat/freezero.o"
359 if [ ${HAVE_GETDTABLECOUNT} -eq 0 ]; then
360 echo "extern int getdtablecount(void);"
361 COMPAT="${COMPAT} compat/getdtablecount.o"
363 if [ ${HAVE_GETDTABLESIZE} -eq 0 ]; then
364 echo "extern int getdtablesize(void);"
365 COMPAT="${COMPAT} compat/getdtablesize.o"
367 if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
368 echo "extern const char *getprogname(void);"
369 COMPAT="${COMPAT} compat/getprogname.o"
371 if [ ${HAVE_IMSG} -eq 0 ]; then
372 COMPAT="${COMPAT} compat/imsg.o compat/imsg-buffer.o"
374 if [ ${HAVE_REALLOCARRAY} -eq 0 ]; then
375 echo "extern void *reallocarray(void*, size_t, size_t);"
376 COMPAT="${COMPAT} compat/reallocarray.o"
378 if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
379 echo "extern void *recallocarray(void*, size_t, size_t, size_t);"
380 COMPAT="${COMPAT} compat/recallocarray.o"
382 if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
383 echo "extern void setproctitle(const char *fmt, ...);"
384 COMPAT="${COMPAT} compat/setproctitle.o"
386 if [ ${HAVE_STRLCAT} -eq 0 ]; then
387 echo "extern size_t strlcat(char*, const char*, size_t);"
388 COMPAT="${COMPAT} compat/strlcat.o"
390 if [ ${HAVE_STRLCPY} -eq 0 ]; then
391 echo "extern size_t strlcpy(char*, const char*, size_t);"
392 COMPAT="${COMPAT} compat/strlcpy.o"
394 if [ ${HAVE_STRTONUM} -eq 0 ]; then
395 echo "extern long long strtonum(const char*, long long, long long, const char**);"
396 COMPAT="${COMPAT} compat/strtonum.o"
398 if [ ${HAVE_VASPRINTF} -eq 0 ]; then
399 echo "extern int vasprintf(char**, const char*, va_list);"
400 COMPAT="${COMPAT} compat/vasprintf.o"
402 echo "file config.h: written" 1>&2
403 echo "file config.h: written" 1>&3
406 # tests for Makefile.local
408 exec > Makefile.local
410 [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
411 [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
413 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
414 [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
415 [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
416 [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
421 LDFLAGS = ${LDFLAGS} ${LD_IMSG}
427 INCLUDEDIR = ${INCLUDEDIR}
429 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
430 INSTALL_LIB = ${INSTALL_LIB}
431 INSTALL_MAN = ${INSTALL_MAN}
432 INSTALL_DATA = ${INSTALL_DATA}
439 for comp in ${COMPAT}; do
440 printf " %s/%s" "$PWD" "$comp"
444 echo "file Makefile.local: written" 1>&2
445 echo "file Makefile.local: written" 1>&3