configure

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
   4 #
   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.
   8 #
   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.
  16
  17 set -e
  18
  19 [ -w config.log ] && mv config.log config.log.old
  20 [ -w config.h   ] && mv config.h config.h.old
  21
  22 # Output file descriptor usage:
  23 # 1 (stdout): config.h, Makefile.local
  24 # 2 (stderr): original stderr, usually to the console
  25 # 3: config.log
  26
  27 exec 3> config.log
  28 echo "config.log: writing..."
  29
  30 # --- default settings -------------------------------------------------
  31 # Initialize all variables here,
  32 # such that nothing can leak in from the environment.
  33
  34 MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man"
  35 OSNAME=
  36
  37 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -f -`
  38 CFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings"
  39 CFLAGS="${CFLAGS} -Wno-unused-parameter"
  40 LDADD=
  41 LDFLAGS=
  42 LD_OHASH=
  43 LD_SQLITE3=
  44 STATIC="-static"
  45
  46 BUILD_DB=1
  47 BUILD_CGI=0
  48
  49 HAVE_DIRENT_NAMLEN=
  50 HAVE_ERR=
  51 HAVE_FTS=
  52 HAVE_GETLINE=
  53 HAVE_GETSUBOPT=
  54 HAVE_ISBLANK=
  55 HAVE_MKDTEMP=
  56 HAVE_MMAP=
  57 HAVE_PLEDGE=
  58 HAVE_PROGNAME=
  59 HAVE_REALLOCARRAY=
  60 HAVE_REWB_BSD=
  61 HAVE_REWB_SYSV=
  62 HAVE_SANDBOX_INIT=
  63 HAVE_STRCASESTR=
  64 HAVE_STRINGLIST=
  65 HAVE_STRLCAT=
  66 HAVE_STRLCPY=
  67 HAVE_STRPTIME=
  68 HAVE_STRSEP=
  69 HAVE_STRTONUM=
  70 HAVE_VASPRINTF=
  71 HAVE_WCHAR=
  72
  73 HAVE_SQLITE3=
  74 HAVE_SQLITE3_ERRSTR=
  75 HAVE_OHASH=
  76 HAVE_MANPATH=
  77
  78 PREFIX="/usr/local"
  79 BINDIR=
  80 SBINDIR=
  81 INCLUDEDIR=
  82 LIBDIR=
  83 MANDIR=
  84 HOMEBREWDIR=
  85
  86 WWWPREFIX="/var/www"
  87 HTDOCDIR=
  88 CGIBINDIR=
  89
  90 BINM_APROPOS="apropos"
  91 BINM_MAKEWHATIS="makewhatis"
  92 BINM_MAN="man"
  93 BINM_SOELIM="soelim"
  94 BINM_WHATIS="whatis"
  95 MANM_MAN="man"
  96 MANM_MANCONF="man.conf"
  97 MANM_MDOC="mdoc"
  98 MANM_ROFF="roff"
  99 MANM_EQN="eqn"
 100 MANM_TBL="tbl"
 101
 102 INSTALL="install"
 103 INSTALL_PROGRAM=
 104 INSTALL_LIB=
 105 INSTALL_MAN=
 106 INSTALL_DATA=
 107
 108 # --- manual settings from configure.local -----------------------------
 109
 110 if [ -r ./configure.local ]; then
 111         echo "configure.local: reading..." 1>&2
 112         echo "configure.local: reading..." 1>&3
 113         cat ./configure.local 1>&3
 114         . ./configure.local
 115 else
 116         echo "configure.local: no (fully automatic configuration)" 1>&2
 117         echo "configure.local: no (fully automatic configuration)" 1>&3
 118 fi
 119 echo 1>&3
 120
 121 # --- tests for config.h  ----------------------------------------------
 122
 123 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 124
 125 # Check whether this HAVE_ setting is manually overridden.
 126 # If yes, use the override, if no, do not decide anything yet.
 127 # Arguments: lower-case test name, manual value
 128 ismanual() {
 129         [ -z "${2}" ] && return 1
 130         echo "${1}: manual (${2})" 1>&2
 131         echo "${1}: manual (${2})" 1>&3
 132         echo 1>&3
 133         return 0
 134 }
 135
 136 # Run a single autoconfiguration test.
 137 # In case of success, enable the feature.
 138 # In case of failure, do not decide anything yet.
 139 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 140 singletest() {
 141         cat 1>&3 << __HEREDOC__
 142 ${1}: testing...
 143 ${COMP} ${3} -o test-${1} test-${1}.c
 144 __HEREDOC__
 145
 146         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 147                 echo "${1}: ${CC} succeeded" 1>&3
 148         else
 149                 echo "${1}: ${CC} failed with $?" 1>&3
 150                 echo 1>&3
 151                 return 1
 152         fi
 153
 154         if ./test-${1} 1>&3 2>&3; then
 155                 echo "${1}: yes" 1>&2
 156                 echo "${1}: yes" 1>&3
 157                 echo 1>&3
 158                 eval HAVE_${2}=1
 159                 rm "test-${1}"
 160                 return 0
 161         else
 162                 echo "${1}: execution failed with $?" 1>&3
 163                 echo 1>&3
 164                 rm "test-${1}"
 165                 return 1
 166         fi
 167 }
 168
 169 # Run a complete autoconfiguration test, including the check for
 170 # a manual override and disabling the feature on failure.
 171 # Arguments: lower case name, upper case name, additional CFLAGS
 172 runtest() {
 173         eval _manual=\${HAVE_${2}}
 174         ismanual "${1}" "${_manual}" && return 0
 175         singletest "${1}" "${2}" "${3}" && return 0
 176         echo "${1}: no" 1>&2
 177         eval HAVE_${2}=0
 178         return 1
 179 }
 180
 181 # --- library functions ---
 182 runtest dirent-namlen   DIRENT_NAMLEN   || true
 183 runtest err             ERR             || true
 184 runtest fts             FTS             || true
 185 runtest getline         GETLINE         || true
 186 runtest getsubopt       GETSUBOPT       || true
 187 runtest isblank         ISBLANK         || true
 188 runtest mkdtemp         MKDTEMP         || true
 189 runtest mmap            MMAP            || true
 190 runtest pledge          PLEDGE          || true
 191 runtest sandbox_init    SANDBOX_INIT    || true
 192 runtest progname        PROGNAME        || true
 193 runtest reallocarray    REALLOCARRAY    || true
 194 runtest rewb-bsd        REWB_BSD        || true
 195 runtest rewb-sysv       REWB_SYSV       || true
 196 runtest strcasestr      STRCASESTR      || true
 197 runtest stringlist      STRINGLIST      || true
 198 runtest strlcat         STRLCAT         || true
 199 runtest strlcpy         STRLCPY         || true
 200 runtest strptime        STRPTIME        || true
 201 runtest strsep          STRSEP          || true
 202 runtest strtonum        STRTONUM        || true
 203 runtest vasprintf       VASPRINTF       || true
 204 runtest wchar           WCHAR           || true
 205
 206 # --- sqlite3 ---
 207 if [ ${BUILD_DB} -eq 0 ]; then
 208         echo "BUILD_DB=0 (manual)" 1>&2
 209         echo "BUILD_DB=0 (manual)" 1>&3
 210         echo 1>&3
 211         HAVE_SQLITE3=0
 212 elif ismanual sqlite3 "${HAVE_SQLITE3}"; then
 213         if [ -z "${LD_SQLITE3}" ]; then
 214                 LD_SQLITE3="-lsqlite3"
 215         fi
 216 elif [ -n "${LD_SQLITE3}" ]; then
 217         runtest sqlite3 SQLITE3 "${LD_SQLITE3}" || true
 218 elif singletest sqlite3 SQLITE3 "-lsqlite3"; then
 219         LD_SQLITE3="-lsqlite3"
 220 elif runtest sqlite3 SQLITE3 \
 221                 "-I/usr/local/include -L/usr/local/lib -lsqlite3"; then
 222         LD_SQLITE3="-L/usr/local/lib -lsqlite3"
 223         CFLAGS="${CFLAGS} -I/usr/local/include"
 224 fi
 225 if [ ${HAVE_SQLITE3} -eq 0 ]; then
 226         LD_SQLITE3=
 227         if [ ${BUILD_DB} -gt 0 ]; then
 228                 echo "BUILD_DB=0 (no sqlite3)" 1>&2
 229                 echo "BUILD_DB=0 (no sqlite3)" 1>&3
 230                 echo 1>&3
 231                 BUILD_DB=0
 232         fi
 233 fi
 234
 235 # --- sqlite3_errstr ---
 236 if [ ${BUILD_DB} -eq 0 ]; then
 237         HAVE_SQLITE3_ERRSTR=1
 238 elif ismanual sqlite3_errstr "${HAVE_SQLITE3_ERRSTR}"; then
 239         :
 240 else
 241         runtest sqlite3_errstr SQLITE3_ERRSTR "${LD_SQLITE3}" || true
 242 fi
 243
 244 # --- ohash ---
 245 if ismanual ohash "${HAVE_OHASH}"; then
 246         :
 247 elif [ -n "${LD_OHASH}" ]; then
 248         runtest ohash OHASH "${LD_OHASH}" || true
 249 elif singletest ohash OHASH; then
 250         :
 251 elif runtest ohash OHASH "-lutil"; then
 252         LD_OHASH="-lutil"
 253 fi
 254 if [ "${HAVE_OHASH}" -eq 0 ]; then
 255         LD_OHASH=
 256 fi
 257
 258 # --- LDADD ---
 259 LDADD="${LDADD} ${LD_SQLITE3} ${LD_OHASH} -lz"
 260 echo "LDADD=\"${LDADD}\"" 1>&2
 261 echo "LDADD=\"${LDADD}\"" 1>&3
 262 echo 1>&3
 263
 264 # --- manpath ---
 265 if ismanual manpath "${HAVE_MANPATH}"; then
 266         :
 267 elif manpath 1>&3 2>&3; then
 268         echo "manpath: yes" 1>&2
 269         echo "manpath: yes" 1>&3
 270         echo 1>&3
 271         HAVE_MANPATH=1
 272 else
 273         echo "manpath: no" 1>&2
 274         echo "manpath: no" 1>&3
 275         echo 1>&3
 276         HAVE_MANPATH=0
 277 fi
 278
 279 # --- write config.h ---
 280
 281 exec > config.h
 282
 283 cat << __HEREDOC__
 284 #ifdef __cplusplus
 285 #error "Do not use C++.  See the INSTALL file."
 286 #endif
 287
 288 #if !defined(__GNUC__) || (__GNUC__ < 4)
 289 #define __attribute__(x)
 290 #endif
 291
 292 #if defined(__linux__) || defined(__MINT__)
 293 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 294 #endif
 295
 296 __HEREDOC__
 297
 298 [ ${HAVE_GETLINE} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 299   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 300         && echo "#include <sys/types.h>"
 301 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 302 [ ${HAVE_GETLINE} -eq 0 ] && echo "#include <stdio.h>"
 303
 304 echo
 305 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 306 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 307 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 308 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 309
 310 cat << __HEREDOC__
 311 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 312 #define HAVE_ERR ${HAVE_ERR}
 313 #define HAVE_FTS ${HAVE_FTS}
 314 #define HAVE_GETLINE ${HAVE_GETLINE}
 315 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 316 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 317 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 318 #define HAVE_MMAP ${HAVE_MMAP}
 319 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 320 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 321 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 322 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 323 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 324 #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 325 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 326 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 327 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 328 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 329 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 330 #define HAVE_STRSEP ${HAVE_STRSEP}
 331 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 332 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 333 #define HAVE_WCHAR ${HAVE_WCHAR}
 334 #define HAVE_SQLITE3 ${HAVE_SQLITE3}
 335 #define HAVE_SQLITE3_ERRSTR ${HAVE_SQLITE3_ERRSTR}
 336 #define HAVE_OHASH ${HAVE_OHASH}
 337 #define HAVE_MANPATH ${HAVE_MANPATH}
 338
 339 #define BINM_APROPOS "${BINM_APROPOS}"
 340 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 341 #define BINM_MAN "${BINM_MAN}"
 342 #define BINM_SOELIM "${BINM_SOELIM}"
 343 #define BINM_WHATIS "${BINM_WHATIS}"
 344
 345 __HEREDOC__
 346
 347 if [ ${HAVE_ERR} -eq 0 ]; then
 348         echo "extern    void      err(int, const char *, ...);"
 349         echo "extern    void      errx(int, const char *, ...);"
 350         echo "extern    void      warn(const char *, ...);"
 351         echo "extern    void      warnx(const char *, ...);"
 352 fi
 353
 354 [ ${HAVE_GETLINE} -eq 0 ] && \
 355         echo "extern    ssize_t   getline(char **, size_t *, FILE *);"
 356
 357 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 358         echo "extern    int       getsubopt(char **, char * const *, char **);"
 359
 360 [ ${HAVE_ISBLANK} -eq 0 ] && \
 361         echo "extern    int       isblank(int);"
 362
 363 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 364         echo "extern    char     *mkdtemp(char *);"
 365
 366 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 367         echo "extern    const char *getprogname(void);"
 368         echo "extern    void      setprogname(const char *);"
 369 fi
 370
 371 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 372         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 373
 374 [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3_ERRSTR} -eq 0 ] &&
 375         echo "extern    const char *sqlite3_errstr(int);"
 376
 377 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 378         echo "extern    char     *strcasestr(const char *, const char *);"
 379
 380 [ ${HAVE_STRLCAT} -eq 0 ] && \
 381         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 382
 383 [ ${HAVE_STRLCPY} -eq 0 ] && \
 384         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 385
 386 [ ${HAVE_STRSEP} -eq 0 ] && \
 387         echo "extern    char     *strsep(char **, const char *);"
 388
 389 [ ${HAVE_STRTONUM} -eq 0 ] && \
 390         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 391
 392 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 393         echo "extern    int       vasprintf(char **, const char *, va_list);"
 394
 395 echo "config.h: written" 1>&2
 396 echo "config.h: written" 1>&3
 397
 398 # --- tests for Makefile.local -----------------------------------------
 399
 400 exec > Makefile.local
 401
 402 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 403 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 404 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 405 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 406 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 407
 408 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 409 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 410
 411 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 412 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 413 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 414 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 415
 416 if [ ${BUILD_DB} -eq 0 -a ${BUILD_CGI} -gt 0 ]; then
 417         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&2
 418         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&3
 419         BUILD_CGI=0
 420 fi
 421
 422 BUILD_TARGETS="base-build"
 423 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="${BUILD_TARGETS} cgi-build"
 424 INSTALL_TARGETS="base-install"
 425 [ ${BUILD_DB}  -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} db-install"
 426 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install"
 427
 428 cat << __HEREDOC__
 429 BUILD_TARGETS   = ${BUILD_TARGETS}
 430 INSTALL_TARGETS = ${INSTALL_TARGETS}
 431 CC              = ${CC}
 432 CFLAGS          = ${CFLAGS}
 433 LDADD           = ${LDADD}
 434 LDFLAGS         = ${LDFLAGS}
 435 STATIC          = ${STATIC}
 436 PREFIX          = ${PREFIX}
 437 BINDIR          = ${BINDIR}
 438 SBINDIR         = ${SBINDIR}
 439 INCLUDEDIR      = ${INCLUDEDIR}
 440 LIBDIR          = ${LIBDIR}
 441 MANDIR          = ${MANDIR}
 442 WWWPREFIX       = ${WWWPREFIX}
 443 HTDOCDIR        = ${HTDOCDIR}
 444 CGIBINDIR       = ${CGIBINDIR}
 445 BINM_APROPOS    = ${BINM_APROPOS}
 446 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 447 BINM_MAN        = ${BINM_MAN}
 448 BINM_SOELIM     = ${BINM_SOELIM}
 449 BINM_WHATIS     = ${BINM_WHATIS}
 450 MANM_MAN        = ${MANM_MAN}
 451 MANM_MANCONF    = ${MANM_MANCONF}
 452 MANM_MDOC       = ${MANM_MDOC}
 453 MANM_ROFF       = ${MANM_ROFF}
 454 MANM_EQN        = ${MANM_EQN}
 455 MANM_TBL        = ${MANM_TBL}
 456 INSTALL         = ${INSTALL}
 457 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 458 INSTALL_LIB     = ${INSTALL_LIB}
 459 INSTALL_MAN     = ${INSTALL_MAN}
 460 INSTALL_DATA    = ${INSTALL_DATA}
 461 __HEREDOC__
 462
 463 [ ${BUILD_DB} -gt 0 ] && \
 464         echo "MAIN_OBJS = \$(BASE_OBJS) \$(DB_OBJS)"
 465
 466 echo "Makefile.local: written" 1>&2
 467 echo "Makefile.local: written" 1>&3
 468
 469 exit 0