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