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