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 and CFLAGS
37 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make ${MAKE_FLAGS} -sf -`
38 CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
39 CFLAGS="${CFLAGS} -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes"
40 CFLAGS="${CFLAGS} -Wwrite-strings -Wno-unused-parameter"
41 LDFLAGS="-ltls -levent"
53 HAVE_PROGRAM_INVOCATION_SHORT_NAME=
71 # try to auto detect CFLAGS and LDFLAGS
72 if which pkg-config 2>/dev/null 1>&2; then
73 if pkg-config libtls; then
74 CFLAGS="${CFLAGS} $(pkg-config --cflags libtls)"
75 LDFLAGS="$(pkg-config --libs libtls)"
77 if pkg-config openssl; then
78 CFLAGS="${CFLAGS} $(pkg-config --cflags openssl)"
79 LDFLAGS="${LDFLAGS} $(pkg-config --libs openssl)"
85 if pkg-config libevent; then
86 CFLAGS="${CFLAGS} $(pkg-config --cflags libevent)"
87 LDFLAGS="${LDFLAGS} $(pkg-config --libs libevent)"
93 # auto detect lex/flex
94 which ${LEX} 2>/dev/null 1>&2 || {
95 echo "${LEX} not found: trying flex" 1>&2
96 echo "${LEX} not found: trying flex" 1>&3
98 which ${LEX} 2>/dev/null 1>&2 || {
99 echo "${LEX} not found: giving up" 1>&2
100 echo "${LEX} not found: giving up" 1>&3
104 # auto detect yacc/bison
105 which ${YACC} 2>/dev/null 1>&2 || {
106 echo "${YACC} not found: trying bison" 1>&2
107 echo "${YACC} not found: trying bison" 1>&3
109 which ${YACC} 2>/dev/null 1>&2 || {
110 echo "${YACC} not found: giving up" 1>&2
111 echo "${YACC} not found: giving up" 1>&3
116 # allow certain variables to be overridden on the command line
118 for keyvals in "$@"; do
119 key=`echo $keyvals | cut -s -d '=' -f1`
120 if [ -z "$key" ]; then
121 echo "$0: invalid key-value: $keyvals" 1>&2
124 val=`echo $keyvals | cut -d '=' -f 2-`
126 BINDIR) BINDIR="$val" ;;
128 CFLAGS) CFLAGS="$val" ;;
129 DESTDIR) DESTDIR="$val" ;;
130 LDFLAGS) LDFLAGS="$val" ;;
132 PREFIX) PREFIX="$val" ;;
135 echo "$0: invalid key: $key" 1>&2
143 # Check whether this HAVE_ setting is manually overridden.
144 # If yes, use the override, if no, do not decide anything yet.
145 # Arguments: test file name, test var name, manual value
147 [ -z "${3}" ] && return 1
148 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
149 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
154 # Run a single autoconfiguration test.
155 # In case of success, enable the feature.
156 # In case of failure, do not decide anything yet.
157 # Arguments: test file name, test var name, additional CFLAGS
160 cat 1>&3 << __HEREDOC__
162 ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
165 if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
167 echo "partial result of ${n}: ${CC} succeeded" 1>&3
169 echo "tested ${n}: no (compilation failed)" 1>&2
170 echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
171 echo "result of compiling ${n}: no" 1>&3
176 if ./have/${1} 1>&3 2>&3; then
177 echo "tested ${n}: yes" 1>&2
178 echo "result of running ${n}: yes" 1>&3
181 [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
182 [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
183 [ "${3}" = "-lutil" ] && LD_IMSG="-lutil"
187 echo "tested ${n}: no (execution failed)" 1>&2
188 echo "result of ${n}: execution failed with exit status $?" 1>&3
189 echo "result of running ${n}: no" 1>&3
196 # Run a complete autoconfiguration test, including the check for
197 # a manual override and disabling the feature on failure.
198 # Arguments: test file name, test var name, additional CFLAGS
199 # The final argument can optionally be repeated a second time.
201 eval _manual=\${HAVE_${2}}
202 ismanual "${1}" "${2}" "${_manual}" && return 0
203 singletest "${1}" "${2}" "${3}" && return 0
204 [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
212 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
214 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
215 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
218 if [ -n "${STATIC}" ]; then
219 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
220 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
223 runtest noop STATIC -static || true
224 [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
225 echo "selected STATIC=\"${STATIC}\"" 1>&2
226 echo "selected STATIC=\"${STATIC}\"" 1>&3
233 runtest err ERR || true
234 runtest explicit_bzero EXPLICIT_BZERO || true
235 runtest getprogname GETPROGNAME || true
236 runtest imsg IMSG -lutil || true
237 runtest libevent LIBEVENT || true
238 runtest libtls LIBTLS || true
239 runtest openssl OPENSSL || true
240 runtest pr_set_name PR_SET_NAME || true
241 runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME "" -D_GNU_SOURCE || true
242 runtest queue_h QUEUE_H || true
243 runtest recallocarray RECALLOCARRAY || true
244 runtest setproctitle SETPROCTITLE || true
245 runtest strlcat STRLCAT || true
246 runtest strlcpy STRLCPY || true
247 runtest strtonum STRTONUM || true
248 runtest vasprintf VASPRINTF "" -D_GNU_SOURCE || true
250 if [ ${HAVE_LIBTLS} -eq 0 ]; then
251 echo "FATAL: libtls not found" 1>&2
252 echo "FATAL: libtls not found" 1>&3
256 if [ ${HAVE_OPENSSL} -eq 0 ]; then
257 echo "FATAL: openssl not found" 1>&2
258 echo "FATAL: openssl not found" 1>&3
262 if [ ${HAVE_LIBEVENT} -eq 0 ]; then
263 echo "FATAL: libevent not found" 1>&2
264 echo "FATAL: libevent not found" 1>&3
268 if [ ${HAVE_QUEUE_H} -eq 0 -o ${HAVE_IMSG} -eq 0 ]; then
269 CFLAGS="${CFLAGS} -I ${PWD}/compat"
279 #error "Do not use C++."
283 [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE"
284 [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE"
286 [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 -o ${HAVE_IMSG} -eq 0 ] \
287 && echo "#include <sys/types.h>"
288 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
290 if [ ${HAVE_QUEUE_H} -eq 1 ]; then
291 echo "#include <sys/queue.h>"
293 echo "#include <queue.h>"
296 echo "#include <sys/uio.h>"
297 echo "#include <stdint.h>"
298 echo "#include <imsg.h>"
302 #define HAVE_ERR ${HAVE_ERR}
303 #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
304 #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
305 #define HAVE_IMSG ${HAVE_IMSG}
306 #define HAVE_LIBEVENT ${HAVE_LIBEVENT}
307 #define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
308 #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
309 #define HAVE_QUEUE_H ${HAVE_QUEUE_H}
310 #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
311 #define HAVE_SETPROCTITLE ${HAVE_SETPROCTITLE}
312 #define HAVE_STRLCAT ${HAVE_STRLCAT}
313 #define HAVE_STRLCPY ${HAVE_STRLCPY}
314 #define HAVE_STRTONUM ${HAVE_STRTONUM}
315 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
319 [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
320 ${HAVE_RECALLOCARRAY} -eq 0 -o \
321 ${HAVE_STRLCAT} -eq 0 -o \
322 ${HAVE_STRLCPY} -eq 0 -o \
323 ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
325 if [ ${HAVE_ERR} -eq 0 ]; then
326 echo "extern void err(int, const char*, ...);"
327 echo "extern void errx(int, const char*, ...);"
328 echo "extern void warn(const char*, ...);"
329 echo "extern void warnx(const char*, ...);"
330 COMPAT="${COMPAT} compat/err.o"
332 echo "#include <err.h>"
334 if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
335 echo "extern void explicit_bzero(void*, size_t);"
336 COMPAT="${COMPAT} compat/explicit_bzero.o"
338 if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
339 echo "extern const char *getprogname(void);"
340 COMPAT="${COMPAT} compat/getprogname.o"
342 if [ ${HAVE_IMSG} -eq 0 ]; then
343 COMPAT="${COMPAT} compat/imsg.o compat/imsg-buffer.o"
345 if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
346 echo "extern void* recallocarray(void*, size_t, size_t, size_t);"
347 COMPAT="${COMPAT} compat/recallocarray.o"
349 if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
350 echo "extern void setproctitle(const char *fmt, ...);"
351 COMPAT="${COMPAT} compat/setproctitle.o"
353 if [ ${HAVE_STRLCAT} -eq 0 ]; then
354 echo "extern size_t strlcat(char*, const char*, size_t);"
355 COMPAT="${COMPAT} compat/strlcat.o"
357 if [ ${HAVE_STRLCPY} -eq 0 ]; then
358 echo "extern size_t strlcpy(char*, const char*, size_t);"
359 COMPAT="${COMPAT} compat/strlcpy.o"
361 if [ ${HAVE_STRTONUM} -eq 0 ]; then
362 echo "extern long long strtonum(const char*, long long, long long, const char**);"
363 COMPAT="${COMPAT} compat/strtonum.o"
365 if [ ${HAVE_VASPRINTF} -eq 0 ]; then
366 echo "extern int vasprintf(char**, const char*, va_list);"
367 COMPAT="${COMPAT} compat/vasprintf.o"
369 echo "file config.h: written" 1>&2
370 echo "file config.h: written" 1>&3
373 # tests for Makefile.local
375 exec > Makefile.local
377 [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
378 [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
380 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
381 [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
382 [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
383 [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
388 LDFLAGS = ${LDFLAGS} ${LD_IMSG}
395 INCLUDEDIR = ${INCLUDEDIR}
397 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
398 INSTALL_LIB = ${INSTALL_LIB}
399 INSTALL_MAN = ${INSTALL_MAN}
400 INSTALL_DATA = ${INSTALL_DATA}
405 for comp in ${COMPAT}; do
406 printf " %s/%s" "$PWD" "$comp"
410 echo "file Makefile.local: written" 1>&2
411 echo "file Makefile.local: written" 1>&3