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="${CFLAGS} -Wwrite-strings -Wno-unused-parameter"
47 5c342d05 2021-01-21 op HAVE_EXPLICIT_BZERO=
48 12042ad7 2021-01-21 op HAVE_GETPROGNAME=
51 fe90d24f 2021-02-04 op HAVE_PR_SET_NAME=
52 5c342d05 2021-01-21 op HAVE_RECALLOCARRAY=
53 fe90d24f 2021-02-04 op HAVE_SETPROCTITLE=
56 5c342d05 2021-01-21 op HAVE_STRTONUM=
57 12042ad7 2021-01-21 op HAVE_VASPRINTF=
59 12042ad7 2021-01-21 op NEED_GNU_SOURCE=0
60 12042ad7 2021-01-21 op NEED_OPENBSD_SOURCE=0
62 12042ad7 2021-01-21 op PREFIX="/usr/local"
65 12042ad7 2021-01-21 op INSTALL="install"
67 12042ad7 2021-01-21 op # try to auto detect CFLAGS and LDFLAGS
68 8443bff7 2021-01-25 op if which pkg-config 2>/dev/null 1>&2; then
69 8443bff7 2021-01-25 op if pkg-config libtls; then
70 809c4bd0 2021-02-07 op CFLAGS="${CFLAGS} $(pkg-config --cflags libtls)"
71 8443bff7 2021-01-25 op LDFLAGS="$(pkg-config --libs libtls)"
73 8443bff7 2021-01-25 op if pkg-config openssl; then
74 8443bff7 2021-01-25 op CFLAGS="${CFLAGS} $(pkg-config --cflags openssl)"
75 8443bff7 2021-01-25 op LDFLAGS="${LDFLAGS} $(pkg-config --libs openssl)"
79 12042ad7 2021-01-21 op # auto detect lex/flex
80 12042ad7 2021-01-21 op which ${LEX} 2>/dev/null 1>&2 || {
81 12042ad7 2021-01-21 op echo "${LEX} not found: trying flex" 1>&2
82 12042ad7 2021-01-21 op echo "${LEX} not found: trying flex" 1>&3
84 12042ad7 2021-01-21 op which ${LEX} 2>/dev/null 1>&2 || {
85 12042ad7 2021-01-21 op echo "${LEX} not found: giving up" 1>&2
86 12042ad7 2021-01-21 op echo "${LEX} not found: giving up" 1>&3
90 12042ad7 2021-01-21 op # auto detect yacc/bison
91 12042ad7 2021-01-21 op which ${YACC} 2>/dev/null 1>&2 || {
92 12042ad7 2021-01-21 op echo "${YACC} not found: trying bison" 1>&2
93 12042ad7 2021-01-21 op echo "${YACC} not found: trying bison" 1>&3
95 12042ad7 2021-01-21 op which ${YACC} 2>/dev/null 1>&2 || {
96 12042ad7 2021-01-21 op echo "${YACC} not found: giving up" 1>&2
97 12042ad7 2021-01-21 op echo "${YACC} not found: giving up" 1>&3
102 12042ad7 2021-01-21 op # allow certain variables to be overridden on the command line
104 12042ad7 2021-01-21 op for keyvals in "$@"; do
105 12042ad7 2021-01-21 op key=`echo $keyvals | cut -s -d '=' -f1`
106 12042ad7 2021-01-21 op if [ -z "$key" ]; then
107 12042ad7 2021-01-21 op echo "$0: invalid key-value: $keyvals" 1>&2
110 597ddf6c 2021-01-21 op val=`echo $keyvals | cut -d '=' -f 2-`
111 12042ad7 2021-01-21 op case "$key" in
112 12042ad7 2021-01-21 op BINDIR) BINDIR="$val" ;;
113 12042ad7 2021-01-21 op CC) CC="$val" ;;
114 12042ad7 2021-01-21 op CFLAGS) CFLAGS="$val" ;;
115 12042ad7 2021-01-21 op DESTDIR) DESTDIR="$val" ;;
116 12042ad7 2021-01-21 op LDFLAGS) LDFLAGS="$val" ;;
117 12042ad7 2021-01-21 op LEX) LEX="$lex" ;;
118 12042ad7 2021-01-21 op PREFIX) PREFIX="$val" ;;
119 12042ad7 2021-01-21 op YACC) YACC="$val" ;;
121 12042ad7 2021-01-21 op echo "$0: invalid key: $key" 1>&2
127 12042ad7 2021-01-21 op # tests functions
129 12042ad7 2021-01-21 op # Check whether this HAVE_ setting is manually overridden.
130 12042ad7 2021-01-21 op # If yes, use the override, if no, do not decide anything yet.
131 12042ad7 2021-01-21 op # Arguments: test file name, test var name, manual value
133 12042ad7 2021-01-21 op [ -z "${3}" ] && return 1
134 12042ad7 2021-01-21 op echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2
135 12042ad7 2021-01-21 op echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3
140 12042ad7 2021-01-21 op # Run a single autoconfiguration test.
141 12042ad7 2021-01-21 op # In case of success, enable the feature.
142 12042ad7 2021-01-21 op # In case of failure, do not decide anything yet.
143 12042ad7 2021-01-21 op # Arguments: test file name, test var name, additional CFLAGS
144 12042ad7 2021-01-21 op singletest() {
146 12042ad7 2021-01-21 op cat 1>&3 << __HEREDOC__
147 12042ad7 2021-01-21 op testing ${n} ...
148 12042ad7 2021-01-21 op ${COMP} -o have/${1} have/${1}.c ${3} ${LDFLAGS}
151 12042ad7 2021-01-21 op if ${COMP} -o "have/${1}" "have/${1}.c" ${3} ${LDFLAGS} 1>&3 2>&3
153 12042ad7 2021-01-21 op echo "partial result of ${n}: ${CC} succeeded" 1>&3
155 12042ad7 2021-01-21 op echo "tested ${n}: no (compilation failed)" 1>&2
156 12042ad7 2021-01-21 op echo "result of ${n}: ${CC} failed with exit status $?" 1>&3
157 12042ad7 2021-01-21 op echo "result of compiling ${n}: no" 1>&3
162 12042ad7 2021-01-21 op if ./have/${1} 1>&3 2>&3; then
163 12042ad7 2021-01-21 op echo "tested ${n}: yes" 1>&2
164 12042ad7 2021-01-21 op echo "result of running ${n}: yes" 1>&3
166 12042ad7 2021-01-21 op eval HAVE_${2}=1
167 12042ad7 2021-01-21 op [ "${3}" = "-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1
168 12042ad7 2021-01-21 op [ "${3}" = "-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1
169 12042ad7 2021-01-21 op [ "${3}" = "-lsocket" ] && LD_RECVMSG="-lsocket"
170 12042ad7 2021-01-21 op rm "have/${1}"
173 12042ad7 2021-01-21 op echo "tested ${n}: no (execution failed)" 1>&2
174 12042ad7 2021-01-21 op echo "result of ${n}: execution failed with exit status $?" 1>&3
175 12042ad7 2021-01-21 op echo "result of running ${n}: no" 1>&3
177 12042ad7 2021-01-21 op rm "have/${1}"
182 12042ad7 2021-01-21 op # Run a complete autoconfiguration test, including the check for
183 12042ad7 2021-01-21 op # a manual override and disabling the feature on failure.
184 12042ad7 2021-01-21 op # Arguments: test file name, test var name, additional CFLAGS
185 12042ad7 2021-01-21 op # The final argument can optionally be repeated a second time.
187 12042ad7 2021-01-21 op eval _manual=\${HAVE_${2}}
188 12042ad7 2021-01-21 op ismanual "${1}" "${2}" "${_manual}" && return 0
189 12042ad7 2021-01-21 op singletest "${1}" "${2}" "${3}" && return 0
190 12042ad7 2021-01-21 op [ -n "${4}" ] && singletest "${1}" "${2}" "${4}" && return 0
191 12042ad7 2021-01-21 op eval HAVE_${2}=0
196 12042ad7 2021-01-21 op # compiler options
198 40dc608f 2021-01-27 op COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
200 12042ad7 2021-01-21 op echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2
201 12042ad7 2021-01-21 op echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3
204 12042ad7 2021-01-21 op if [ -n "${STATIC}" ]; then
205 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2
206 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3
209 12042ad7 2021-01-21 op runtest noop STATIC -static || true
210 12042ad7 2021-01-21 op [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static"
211 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\"" 1>&2
212 12042ad7 2021-01-21 op echo "selected STATIC=\"${STATIC}\"" 1>&3
217 12042ad7 2021-01-21 op # tests for config.h
219 12042ad7 2021-01-21 op runtest err ERR || true
220 5c342d05 2021-01-21 op runtest explicit_bzero EXPLICIT_BZERO || true
221 2d7abb70 2021-01-21 op runtest getprogname GETPROGNAME || true
222 12042ad7 2021-01-21 op runtest libtls LIBTLS || true
223 8443bff7 2021-01-25 op runtest openssl OPENSSL || true
224 fe90d24f 2021-02-04 op runtest pr_set_name PR_SET_NAME || true
225 5c342d05 2021-01-21 op runtest recallocarray RECALLOCARRAY || true
226 fe90d24f 2021-02-04 op runtest setproctitle SETPROCTITLE || true
227 12042ad7 2021-01-21 op runtest strlcat STRLCAT || true
228 12042ad7 2021-01-21 op runtest strlcpy STRLCPY || true
229 5c342d05 2021-01-21 op runtest strtonum STRTONUM || true
230 12042ad7 2021-01-21 op runtest vasprintf VASPRINTF "" -D_GNU_SOURCE || true
232 12042ad7 2021-01-21 op if [ ${HAVE_LIBTLS} -eq 0 ]; then
233 12042ad7 2021-01-21 op echo "FATAL: libtls not found" 1>&2
234 12042ad7 2021-01-21 op echo "FATAL: libtls not found" 1>&3
238 8443bff7 2021-01-25 op if [ ${HAVE_OPENSSL} -eq 0 ]; then
239 8443bff7 2021-01-25 op echo "FATAL: openssl not found" 1>&2
240 8443bff7 2021-01-25 op echo "FATAL: openssl not found" 1>&3
245 12042ad7 2021-01-21 op # write config.h
247 12042ad7 2021-01-21 op exec > config.h
249 12042ad7 2021-01-21 op cat <<__HEREDOC__
250 12042ad7 2021-01-21 op #ifdef __cplusplus
251 12042ad7 2021-01-21 op #error "Do not use C++."
255 12042ad7 2021-01-21 op [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE"
256 12042ad7 2021-01-21 op [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE"
258 12042ad7 2021-01-21 op [ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
259 12042ad7 2021-01-21 op && echo "#include <sys/types.h>"
260 12042ad7 2021-01-21 op [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
262 12042ad7 2021-01-21 op cat <<__HEREDOC__
264 12042ad7 2021-01-21 op #define HAVE_ERR ${HAVE_ERR}
265 5c342d05 2021-01-21 op #define HAVE_EXPLICIT_BZERO ${HAVE_EXPLICIT_BZERO}
266 12042ad7 2021-01-21 op #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
267 fe90d24f 2021-02-04 op #define HAVE_PR_SET_NAME ${HAVE_PR_SET_NAME}
268 5c342d05 2021-01-21 op #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
269 fe90d24f 2021-02-04 op #define HAVE_SETPROCTITLE ${SETPROCTITLE}
270 12042ad7 2021-01-21 op #define HAVE_STRLCAT ${HAVE_STRLCAT}
271 12042ad7 2021-01-21 op #define HAVE_STRLCPY ${HAVE_STRLCPY}
272 5c342d05 2021-01-21 op #define HAVE_STRTONUM ${HAVE_STRTONUM}
273 12042ad7 2021-01-21 op #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
277 7e262563 2021-01-22 op [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
279 7e262563 2021-01-22 op [ ${HAVE_EXPLICIT_BZERO} -eq 0 -o \
280 7e262563 2021-01-22 op ${HAVE_RECALLOCARRAY} -eq 0 -o \
281 7e262563 2021-01-22 op ${HAVE_STRLCAT} -eq 0 -o \
282 7e262563 2021-01-22 op ${HAVE_STRLCPY} -eq 0 -o \
283 7e262563 2021-01-22 op ${HAVE_STRTONUM} -eq 0 ] && echo "#include <stddef.h>"
285 12042ad7 2021-01-21 op if [ ${HAVE_ERR} -eq 0 ]; then
286 12042ad7 2021-01-21 op echo "extern void err(int, const char*, ...);"
287 12042ad7 2021-01-21 op echo "extern void errx(int, const char*, ...);"
288 12042ad7 2021-01-21 op echo "extern void warn(const char*, ...);"
289 12042ad7 2021-01-21 op echo "extern void warnx(const char*, ...);"
290 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/err.o"
292 2d7abb70 2021-01-21 op echo "#include <err.h>"
294 5c342d05 2021-01-21 op if [ ${HAVE_EXPLICIT_BZERO} -eq 0 ]; then
295 5c342d05 2021-01-21 op echo "extern void explicit_bzero(void*, size_t);"
296 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/explicit_bzero.o"
298 333a6711 2021-01-25 op if [ ${HAVE_GETPROGNAME} -eq 0 ]; then
299 333a6711 2021-01-25 op echo "extern const char *getprogname(void);"
300 333a6711 2021-01-25 op COMPAT="${COMPAT} compat/getprogname.o"
302 5c342d05 2021-01-21 op if [ ${HAVE_RECALLOCARRAY} -eq 0 ]; then
303 5c342d05 2021-01-21 op echo "extern void* recallocarray(void*, size_t, size_t, size_t);"
304 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/recallocarray.o"
306 fe90d24f 2021-02-04 op if [ ${HAVE_SETPROCTITLE} -eq 0 ]; then
307 fe90d24f 2021-02-04 op echo "extern void setproctitle(const char *fmt, ...);"
308 fe90d24f 2021-02-04 op COMPAT="${COMPAT} compat/setproctitle.o"
310 12042ad7 2021-01-21 op if [ ${HAVE_STRLCAT} -eq 0 ]; then
311 12042ad7 2021-01-21 op echo "extern size_t strlcat(char*, const char*, size_t);"
312 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/strlcat.o"
314 12042ad7 2021-01-21 op if [ ${HAVE_STRLCPY} -eq 0 ]; then
315 12042ad7 2021-01-21 op echo "extern size_t strlcpy(char*, const char*, size_t);"
316 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/strlcpy.o"
318 5c342d05 2021-01-21 op if [ ${HAVE_STRTONUM} -eq 0 ]; then
319 3527b7a5 2021-01-22 op echo "extern long long strtonum(const char*, long long, long long, const char**);"
320 5c342d05 2021-01-21 op COMPAT="${COMPAT} compat/strtonum.o"
322 12042ad7 2021-01-21 op if [ ${HAVE_VASPRINTF} -eq 0 ]; then
323 12042ad7 2021-01-21 op echo "extern int vasprintf(char**, const char*, va_list);"
324 12042ad7 2021-01-21 op COMPAT="${COMPAT} compat/vasprintf.o"
326 12042ad7 2021-01-21 op echo "file config.h: written" 1>&2
327 12042ad7 2021-01-21 op echo "file config.h: written" 1>&3
330 12042ad7 2021-01-21 op # tests for Makefile.local
332 12042ad7 2021-01-21 op exec > Makefile.local
334 12042ad7 2021-01-21 op [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
335 12042ad7 2021-01-21 op [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
337 12042ad7 2021-01-21 op [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
338 12042ad7 2021-01-21 op [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
339 12042ad7 2021-01-21 op [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
340 12042ad7 2021-01-21 op [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
342 12042ad7 2021-01-21 op cat << __HEREDOC__
344 12042ad7 2021-01-21 op CFLAGS = ${CFLAGS}
345 12042ad7 2021-01-21 op LDFLAGS = ${LDFLAGS}
346 12042ad7 2021-01-21 op YACC = ${YACC}
348 12042ad7 2021-01-21 op COMPAT = ${COMPAT}
349 12042ad7 2021-01-21 op STATIC = ${STATIC}
350 12042ad7 2021-01-21 op PREFIX = ${PREFIX}
351 12042ad7 2021-01-21 op BINDIR = ${BINDIR}
352 60dbafbf 2021-02-07 op MANDIR = ${MANDIR}
353 12042ad7 2021-01-21 op INCLUDEDIR = ${INCLUDEDIR}
354 12042ad7 2021-01-21 op INSTALL = ${INSTALL}
355 12042ad7 2021-01-21 op INSTALL_PROGRAM = ${INSTALL_PROGRAM}
356 12042ad7 2021-01-21 op INSTALL_LIB = ${INSTALL_LIB}
357 12042ad7 2021-01-21 op INSTALL_MAN = ${INSTALL_MAN}
358 12042ad7 2021-01-21 op INSTALL_DATA = ${INSTALL_DATA}
361 12042ad7 2021-01-21 op echo "file Makefile.local: written" 1>&2
362 12042ad7 2021-01-21 op echo "file Makefile.local: written" 1>&3
