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