configure

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