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 [ -e config.log ] && mv config.log config.log.old
  20 [ -e 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_FGETLN=
  48 HAVE_FTS=
  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 EXAMPLEDIR=
  80 HOMEBREWDIR=
  81
  82 WWWPREFIX="/var/www"
  83 HTDOCDIR=
  84 CGIBINDIR=
  85
  86 BINM_APROPOS="apropos"
  87 BINM_MAKEWHATIS="makewhatis"
  88 BINM_MAN="man"
  89 BINM_SOELIM="soelim"
  90 BINM_WHATIS="whatis"
  91 MANM_MAN="man"
  92 MANM_MANCONF="man.conf"
  93 MANM_MDOC="mdoc"
  94 MANM_ROFF="roff"
  95 MANM_EQN="eqn"
  96 MANM_TBL="tbl"
  97
  98 INSTALL="install"
  99 INSTALL_PROGRAM=
 100 INSTALL_LIB=
 101 INSTALL_MAN=
 102 INSTALL_DATA=
 103
 104 # --- manual settings from configure.local -----------------------------
 105
 106 if [ -e ./configure.local ]; then
 107         echo "configure.local: reading..." 1>&2
 108         echo "configure.local: reading..." 1>&3
 109         cat ./configure.local 1>&3
 110         . ./configure.local
 111 else
 112         echo "configure.local: no (fully automatic configuration)" 1>&2
 113         echo "configure.local: no (fully automatic configuration)" 1>&3
 114 fi
 115 echo 1>&3
 116
 117 # --- tests for config.h  ----------------------------------------------
 118
 119 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 120
 121 # Check whether this HAVE_ setting is manually overridden.
 122 # If yes, use the override, if no, do not decide anything yet.
 123 # Arguments: lower-case test name, manual value
 124 ismanual() {
 125         [ -z "${2}" ] && return 1
 126         echo "${1}: manual (${2})" 1>&2
 127         echo "${1}: manual (${2})" 1>&3
 128         echo 1>&3
 129         return 0
 130 }
 131
 132 # Run a single autoconfiguration test.
 133 # In case of success, enable the feature.
 134 # In case of failure, do not decide anything yet.
 135 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 136 singletest() {
 137         cat 1>&3 << __HEREDOC__
 138 ${1}: testing...
 139 ${COMP} ${3} -o test-${1} test-${1}.c
 140 __HEREDOC__
 141
 142         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 143                 echo "${1}: ${CC} succeeded" 1>&3
 144         else
 145                 echo "${1}: ${CC} failed with $?" 1>&3
 146                 echo 1>&3
 147                 return 1
 148         fi
 149
 150         if ./test-${1} 1>&3 2>&3; then
 151                 echo "${1}: yes" 1>&2
 152                 echo "${1}: yes" 1>&3
 153                 echo 1>&3
 154                 eval HAVE_${2}=1
 155                 rm "test-${1}"
 156                 return 0
 157         else
 158                 echo "${1}: execution failed with $?" 1>&3
 159                 echo 1>&3
 160                 rm "test-${1}"
 161                 return 1
 162         fi
 163 }
 164
 165 # Run a complete autoconfiguration test, including the check for
 166 # a manual override and disabling the feature on failure.
 167 # Arguments: lower case name, upper case name, additional CFLAGS
 168 runtest() {
 169         eval _manual=\${HAVE_${2}}
 170         ismanual "${1}" "${_manual}" && return 0
 171         singletest "${1}" "${2}" "${3}" && return 0
 172         echo "${1}: no" 1>&2
 173         eval HAVE_${2}=0
 174         return 1
 175 }
 176
 177 # --- library functions ---
 178 runtest dirent-namlen   DIRENT_NAMLEN   || true
 179 runtest err             ERR             || true
 180 runtest fgetln          FGETLN          || true
 181 runtest fts             FTS             || true
 182 runtest getsubopt       GETSUBOPT       || true
 183 runtest isblank         ISBLANK         || true
 184 runtest mkdtemp         MKDTEMP         || true
 185 runtest mmap            MMAP            || true
 186 runtest pledge          PLEDGE          || true
 187 runtest progname        PROGNAME        || true
 188 runtest reallocarray    REALLOCARRAY    || true
 189 runtest rewb-bsd        REWB_BSD        || true
 190 runtest rewb-sysv       REWB_SYSV       || true
 191 runtest strcasestr      STRCASESTR      || true
 192 runtest stringlist      STRINGLIST      || true
 193 runtest strlcat         STRLCAT         || true
 194 runtest strlcpy         STRLCPY         || true
 195 runtest strptime        STRPTIME        || true
 196 runtest strsep          STRSEP          || true
 197 runtest strtonum        STRTONUM        || true
 198 runtest vasprintf       VASPRINTF       || true
 199 runtest wchar           WCHAR           || true
 200
 201 # --- sqlite3 ---
 202 DETECTLIB=
 203 if [ ${BUILD_DB} -eq 0 ]; then
 204         echo "BUILD_DB=0 (manual)" 1>&2
 205         echo "BUILD_DB=0 (manual)" 1>&3
 206         echo 1>&3
 207         HAVE_SQLITE3=0
 208 elif ismanual sqlite3 "${HAVE_SQLITE3}"; then
 209         DETECTLIB="-lsqlite3"
 210 elif [ -n "${DBLIB}" ]; then
 211         runtest sqlite3 SQLITE3 "${DBLIB}" || true
 212 elif singletest sqlite3 SQLITE3 "-lsqlite3"; then
 213         DETECTLIB="-lsqlite3"
 214 elif runtest sqlite3 SQLITE3 \
 215                 "-I/usr/local/include -L/usr/local/lib -lsqlite3"; then
 216         DETECTLIB="-L/usr/local/lib -lsqlite3"
 217         CFLAGS="${CFLAGS} -I/usr/local/include"
 218 fi
 219 if [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3} -eq 0 ]; then
 220         echo "BUILD_DB=0 (no sqlite3)" 1>&2
 221         echo "BUILD_DB=0 (no sqlite3)" 1>&3
 222         echo 1>&3
 223         BUILD_DB=0
 224 fi
 225
 226 # --- sqlite3_errstr ---
 227 if [ ${BUILD_DB} -eq 0 ]; then
 228         HAVE_SQLITE3_ERRSTR=1
 229 elif ismanual sqlite3_errstr "${HAVE_SQLITE3_ERRSTR}"; then
 230         :
 231 elif [ -n "${DBLIB}" ]; then
 232         runtest sqlite3_errstr SQLITE3_ERRSTR "${DBLIB}" || true
 233 else
 234         runtest sqlite3_errstr SQLITE3_ERRSTR "${DETECTLIB}" || true
 235 fi
 236
 237 # --- ohash ---
 238 if [ ${BUILD_DB} -eq 0 ]; then
 239         HAVE_OHASH=1
 240 elif ismanual ohash "${HAVE_OHASH}"; then
 241         :
 242 elif [ -n "${DBLIB}" ]; then
 243         runtest ohash OHASH "${DBLIB}" || true
 244 elif singletest ohash OHASH; then
 245         :
 246 elif runtest ohash OHASH "-lutil"; then
 247         DETECTLIB="${DETECTLIB} -lutil"
 248 fi
 249
 250 # --- DBLIB ---
 251 if [ ${BUILD_DB} -eq 0 ]; then
 252         DBLIB="-lz"
 253 elif [ -z "${DBLIB}" ]; then
 254         DBLIB="${DETECTLIB} -lz"
 255         echo "DBLIB=\"${DBLIB}\"" 1>&2
 256         echo "DBLIB=\"${DBLIB}\"" 1>&3
 257         echo 1>&3
 258 fi
 259
 260 # --- manpath ---
 261 if ismanual manpath "${HAVE_MANPATH}"; then
 262         :
 263 elif manpath 1>&3 2>&3; then
 264         echo "manpath: yes" 1>&2
 265         echo "manpath: yes" 1>&3
 266         echo 1>&3
 267         HAVE_MANPATH=1
 268 else
 269         echo "manpath: no" 1>&2
 270         echo "manpath: no" 1>&3
 271         echo 1>&3
 272         HAVE_MANPATH=0
 273 fi
 274
 275 # --- write config.h ---
 276
 277 exec > config.h
 278
 279 cat << __HEREDOC__
 280 #ifndef MANDOC_CONFIG_H
 281 #define MANDOC_CONFIG_H
 282
 283 #if defined(__linux__) || defined(__MINT__)
 284 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 285 #endif
 286
 287 __HEREDOC__
 288
 289 [ ${HAVE_FGETLN} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 290   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 291         && echo "#include <sys/types.h>"
 292 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 293 [ ${HAVE_FGETLN} -eq 0 ] && echo "#include <stdio.h>"
 294
 295 echo
 296 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 297 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 298 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 299 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 300
 301 cat << __HEREDOC__
 302 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 303 #define HAVE_ERR ${HAVE_ERR}
 304 #define HAVE_FGETLN ${HAVE_FGETLN}
 305 #define HAVE_FTS ${HAVE_FTS}
 306 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 307 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 308 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 309 #define HAVE_MMAP ${HAVE_MMAP}
 310 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 311 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 312 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 313 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 314 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 315 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 316 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 317 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 318 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 319 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 320 #define HAVE_STRSEP ${HAVE_STRSEP}
 321 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 322 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 323 #define HAVE_WCHAR ${HAVE_WCHAR}
 324 #define HAVE_SQLITE3 ${HAVE_SQLITE3}
 325 #define HAVE_SQLITE3_ERRSTR ${HAVE_SQLITE3_ERRSTR}
 326 #define HAVE_OHASH ${HAVE_OHASH}
 327 #define HAVE_MANPATH ${HAVE_MANPATH}
 328
 329 #define BINM_APROPOS "${BINM_APROPOS}"
 330 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 331 #define BINM_MAN "${BINM_MAN}"
 332 #define BINM_SOELIM "${BINM_SOELIM}"
 333 #define BINM_WHATIS "${BINM_WHATIS}"
 334
 335 #if !defined(__BEGIN_DECLS)
 336 #  ifdef __cplusplus
 337 #  define       __BEGIN_DECLS           extern "C" {
 338 #  else
 339 #  define       __BEGIN_DECLS
 340 #  endif
 341 #endif
 342 #if !defined(__END_DECLS)
 343 #  ifdef __cplusplus
 344 #  define       __END_DECLS             }
 345 #  else
 346 #  define       __END_DECLS
 347 #  endif
 348 #endif
 349
 350 __HEREDOC__
 351
 352 if [ ${HAVE_ERR} -eq 0 ]; then
 353         echo "extern    void      err(int, const char *, ...);"
 354         echo "extern    void      warn(const char *, ...);"
 355         echo "extern    void      warnx(const char *, ...);"
 356 fi
 357
 358 [ ${HAVE_FGETLN} -eq 0 ] && \
 359         echo "extern    char     *fgetln(FILE *, size_t *);"
 360
 361 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 362         echo "extern    int       getsubopt(char **, char * const *, char **);"
 363
 364 [ ${HAVE_ISBLANK} -eq 0 ] && \
 365         echo "extern    int       isblank(int);"
 366
 367 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 368         echo "extern    char     *mkdtemp(char *);"
 369
 370 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 371         echo "extern    const char *getprogname(void);"
 372         echo "extern    void      setprogname(const char *);"
 373 fi
 374
 375 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 376         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 377
 378 [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3_ERRSTR} -eq 0 ] &&
 379         echo "extern    const char *sqlite3_errstr(int);"
 380
 381 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 382         echo "extern    char     *strcasestr(const char *, const char *);"
 383
 384 [ ${HAVE_STRLCAT} -eq 0 ] && \
 385         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 386
 387 [ ${HAVE_STRLCPY} -eq 0 ] && \
 388         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 389
 390 [ ${HAVE_STRSEP} -eq 0 ] && \
 391         echo "extern    char     *strsep(char **, const char *);"
 392
 393 [ ${HAVE_STRTONUM} -eq 0 ] && \
 394         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 395
 396 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 397         echo "extern    int       vasprintf(char **, const char *, va_list);"
 398
 399 echo
 400 echo "#endif /* MANDOC_CONFIG_H */"
 401
 402 echo "config.h: written" 1>&2
 403 echo "config.h: written" 1>&3
 404
 405 # --- tests for Makefile.local -----------------------------------------
 406
 407 exec > Makefile.local
 408
 409 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 410 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 411 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 412 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 413 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 414 [ -z "${EXAMPLEDIR}" ] && EXAMPLEDIR="${PREFIX}/share/examples/mandoc"
 415
 416 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 417 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 418
 419 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 420 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 421 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 422 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 423
 424 if [ ${BUILD_DB} -eq 0 -a ${BUILD_CGI} -gt 0 ]; then
 425         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&2
 426         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&3
 427         BUILD_CGI=0
 428 fi
 429
 430 BUILD_TARGETS="base-build"
 431 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="${BUILD_TARGETS} cgi-build"
 432 INSTALL_TARGETS="base-install"
 433 [ ${BUILD_DB}  -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} db-install"
 434 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install"
 435
 436 cat << __HEREDOC__
 437 BUILD_TARGETS   = ${BUILD_TARGETS}
 438 INSTALL_TARGETS = ${INSTALL_TARGETS}
 439 CC              = ${CC}
 440 CFLAGS          = ${CFLAGS}
 441 DBLIB           = ${DBLIB}
 442 STATIC          = ${STATIC}
 443 PREFIX          = ${PREFIX}
 444 BINDIR          = ${BINDIR}
 445 SBINDIR         = ${SBINDIR}
 446 INCLUDEDIR      = ${INCLUDEDIR}
 447 LIBDIR          = ${LIBDIR}
 448 MANDIR          = ${MANDIR}
 449 EXAMPLEDIR      = ${EXAMPLEDIR}
 450 WWWPREFIX       = ${WWWPREFIX}
 451 HTDOCDIR        = ${HTDOCDIR}
 452 CGIBINDIR       = ${CGIBINDIR}
 453 BINM_APROPOS    = ${BINM_APROPOS}
 454 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 455 BINM_MAN        = ${BINM_MAN}
 456 BINM_SOELIM     = ${BINM_SOELIM}
 457 BINM_WHATIS     = ${BINM_WHATIS}
 458 MANM_MAN        = ${MANM_MAN}
 459 MANM_MANCONF    = ${MANM_MANCONF}
 460 MANM_MDOC       = ${MANM_MDOC}
 461 MANM_ROFF       = ${MANM_ROFF}
 462 MANM_EQN        = ${MANM_EQN}
 463 MANM_TBL        = ${MANM_TBL}
 464 INSTALL         = ${INSTALL}
 465 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 466 INSTALL_LIB     = ${INSTALL_LIB}
 467 INSTALL_MAN     = ${INSTALL_MAN}
 468 INSTALL_DATA    = ${INSTALL_DATA}
 469 __HEREDOC__
 470
 471 [ ${BUILD_DB} -gt 0 ] && \
 472         echo "MAIN_OBJS = \$(BASE_OBJS) \$(DB_OBJS)"
 473
 474 echo "Makefile.local: written" 1>&2
 475 echo "Makefile.local: written" 1>&3
 476
 477 exit 0