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