configure

   1 #!/bin/sh
   2 #
   3 # $Id: configure,v 1.53 2016/10/20 18:47:49 schwarze Exp $
   4 #
   5 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
   6 #
   7 # Permission to use, copy, modify, and distribute this software for any
   8 # purpose with or without fee is hereby granted, provided that the above
   9 # copyright notice and this permission notice appear in all copies.
  10 #
  11 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18
  19 set -e
  20
  21 [ -w config.log ] && mv config.log config.log.old
  22 [ -w config.h   ] && mv config.h config.h.old
  23
  24 # Output file descriptor usage:
  25 # 1 (stdout): config.h, Makefile.local
  26 # 2 (stderr): original stderr, usually to the console
  27 # 3: config.log
  28
  29 exec 3> config.log
  30 echo "config.log: writing..."
  31
  32 # --- default settings -------------------------------------------------
  33 # Initialize all variables here,
  34 # such that nothing can leak in from the environment.
  35
  36 MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man"
  37 OSNAME=
  38 UTF8_LOCALE=
  39
  40 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -sf -`
  41 CFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings"
  42 CFLAGS="${CFLAGS} -Wno-unused-parameter"
  43 LDADD=
  44 LDFLAGS=
  45 LD_NANOSLEEP=
  46 LD_OHASH=
  47 STATIC="-static"
  48
  49 BUILD_CGI=0
  50
  51 HAVE_DIRENT_NAMLEN=
  52 HAVE_EFTYPE=
  53 HAVE_ENDIAN=
  54 HAVE_ERR=
  55 HAVE_FTS=
  56 HAVE_FTS_COMPARE_CONST=
  57 HAVE_GETLINE=
  58 HAVE_GETSUBOPT=
  59 HAVE_ISBLANK=
  60 HAVE_MKDTEMP=
  61 HAVE_NANOSLEEP=
  62 HAVE_NTOHL=
  63 HAVE_OHASH=
  64 HAVE_PATH_MAX=
  65 HAVE_PLEDGE=
  66 HAVE_PROGNAME=
  67 HAVE_REALLOCARRAY=
  68 HAVE_REWB_BSD=
  69 HAVE_REWB_SYSV=
  70 HAVE_SANDBOX_INIT=
  71 HAVE_STRCASESTR=
  72 HAVE_STRINGLIST=
  73 HAVE_STRLCAT=
  74 HAVE_STRLCPY=
  75 HAVE_STRPTIME=
  76 HAVE_STRSEP=
  77 HAVE_STRTONUM=
  78 HAVE_SYS_ENDIAN=
  79 HAVE_VASPRINTF=
  80 HAVE_WCHAR=
  81
  82 PREFIX="/usr/local"
  83 BINDIR=
  84 SBINDIR=
  85 INCLUDEDIR=
  86 LIBDIR=
  87 MANDIR=
  88 HOMEBREWDIR=
  89
  90 WWWPREFIX="/var/www"
  91 HTDOCDIR=
  92 CGIBINDIR=
  93
  94 BINM_APROPOS="apropos"
  95 BINM_MAKEWHATIS="makewhatis"
  96 BINM_MAN="man"
  97 BINM_SOELIM="soelim"
  98 BINM_WHATIS="whatis"
  99 MANM_MAN="man"
 100 MANM_MANCONF="man.conf"
 101 MANM_MDOC="mdoc"
 102 MANM_ROFF="roff"
 103 MANM_EQN="eqn"
 104 MANM_TBL="tbl"
 105
 106 INSTALL="install"
 107 INSTALL_PROGRAM=
 108 INSTALL_LIB=
 109 INSTALL_MAN=
 110 INSTALL_DATA=
 111
 112 # --- manual settings from configure.local -----------------------------
 113
 114 if [ -r ./configure.local ]; then
 115         echo "configure.local: reading..." 1>&2
 116         echo "configure.local: reading..." 1>&3
 117         cat ./configure.local 1>&3
 118         . ./configure.local
 119 else
 120         echo "configure.local: no (fully automatic configuration)" 1>&2
 121         echo "configure.local: no (fully automatic configuration)" 1>&3
 122 fi
 123 echo 1>&3
 124
 125 # --- tests for config.h  ----------------------------------------------
 126
 127 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 128
 129 # Check whether this HAVE_ setting is manually overridden.
 130 # If yes, use the override, if no, do not decide anything yet.
 131 # Arguments: lower-case test name, manual value
 132 ismanual() {
 133         [ -z "${3}" ] && return 1
 134         echo "${1}: manual (HAVE_${2}=${3})" 1>&2
 135         echo "${1}: manual (HAVE_${2}=${3})" 1>&3
 136         echo 1>&3
 137         return 0
 138 }
 139
 140 # Run a single autoconfiguration test.
 141 # In case of success, enable the feature.
 142 # In case of failure, do not decide anything yet.
 143 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 144 singletest() {
 145         cat 1>&3 << __HEREDOC__
 146 ${1}${3}: testing...
 147 ${COMP} ${3} -o test-${1} test-${1}.c
 148 __HEREDOC__
 149
 150         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 151                 echo "${1}${3}: ${CC} succeeded" 1>&3
 152         else
 153                 echo "${1}${3}: ${CC} failed with $?" 1>&3
 154                 echo 1>&3
 155                 return 1
 156         fi
 157
 158         if ./test-${1} 1>&3 2>&3; then
 159                 echo "${1}${3}: yes" 1>&2
 160                 echo "${1}${3}: yes" 1>&3
 161                 echo 1>&3
 162                 eval HAVE_${2}=1
 163                 rm "test-${1}"
 164                 return 0
 165         else
 166                 echo "${1}${3}: execution failed with $?" 1>&3
 167                 echo 1>&3
 168                 rm "test-${1}"
 169                 return 1
 170         fi
 171 }
 172
 173 # Run a complete autoconfiguration test, including the check for
 174 # a manual override and disabling the feature on failure.
 175 # Arguments: lower case name, upper case name, additional CFLAGS
 176 runtest() {
 177         eval _manual=\${HAVE_${2}}
 178         ismanual "${1}" "${2}" "${_manual}" && return 0
 179         singletest "${1}" "${2}" "${3}" && return 0
 180         echo "${1}${3}: no" 1>&2
 181         eval HAVE_${2}=0
 182         return 1
 183 }
 184
 185 # Select a UTF-8 locale.
 186 get_locale() {
 187         [ -n "${HAVE_WCHAR}" ] && [ "${HAVE_WCHAR}" -eq 0 ] && return 0
 188         ismanual UTF8_LOCALE UTF8_LOCALE "$UTF8_LOCALE" && return 0
 189         echo "UTF8_LOCALE: testing..." 1>&3
 190         UTF8_LOCALE=`locale -a | grep -i '^en_US\.UTF-*8$' | head -n 1`
 191         if [ -z "${UTF8_LOCALE}" ]; then
 192                 UTF8_LOCALE=`locale -a | grep -i '\.UTF-*8' | head -n 1`
 193                 [ -n "${UTF8_LOCALE}" ] || return 1
 194         fi
 195         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&2
 196         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&3
 197         echo 1>&3
 198         return 0;
 199 }
 200
 201
 202 # --- library functions ---
 203 runtest dirent-namlen   DIRENT_NAMLEN   || true
 204 runtest be32toh         ENDIAN          || true
 205 runtest be32toh         SYS_ENDIAN      -DSYS_ENDIAN || true
 206 runtest EFTYPE          EFTYPE          || true
 207 runtest err             ERR             || true
 208 runtest getline         GETLINE         || true
 209 runtest getsubopt       GETSUBOPT       || true
 210 runtest isblank         ISBLANK         || true
 211 runtest mkdtemp         MKDTEMP         || true
 212 runtest ntohl           NTOHL           || true
 213 runtest PATH_MAX        PATH_MAX        || true
 214 runtest pledge          PLEDGE          || true
 215 runtest sandbox_init    SANDBOX_INIT    || true
 216 runtest progname        PROGNAME        || true
 217 runtest reallocarray    REALLOCARRAY    || true
 218 runtest rewb-bsd        REWB_BSD        || true
 219 runtest rewb-sysv       REWB_SYSV       || true
 220 runtest strcasestr      STRCASESTR      || true
 221 runtest stringlist      STRINGLIST      || true
 222 runtest strlcat         STRLCAT         || true
 223 runtest strlcpy         STRLCPY         || true
 224 runtest strptime        STRPTIME        || true
 225 runtest strsep          STRSEP          || true
 226 runtest strtonum        STRTONUM        || true
 227 runtest vasprintf       VASPRINTF       || true
 228
 229 if [ ${HAVE_ENDIAN} -eq 0 -a \
 230      ${HAVE_SYS_ENDIAN} -eq 0 -a \
 231      ${HAVE_NTOHL} -eq 0 ]; then
 232         echo "FATAL: no endian conversion functions found" 1>&2
 233         echo "FATAL: no endian conversion functions found" 1>&3
 234         exit 1
 235 fi
 236
 237 if ismanual fts FTS ${HAVE_FTS}; then
 238         HAVE_FTS_COMPARE_CONST=0
 239 elif runtest fts FTS_COMPARE_CONST -DFTS_COMPARE_CONST; then
 240         HAVE_FTS=1
 241 else
 242         runtest fts FTS || true
 243 fi
 244
 245 # --- wide character and locale support ---
 246 if get_locale; then
 247         runtest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true
 248 else
 249         HAVE_WCHAR=0
 250         echo "wchar: no (no UTF8_LOCALE)" 1>&2
 251         echo "wchar: no (no UTF8_LOCALE)" 1>&3
 252 fi
 253
 254 # --- nanosleep ---
 255 if [ -n "${LD_NANOSLEEP}" ]; then
 256         runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
 257 elif singletest nanosleep NANOSLEEP; then
 258         :
 259 elif runtest nanosleep NANOSLEEP "-lrt"; then
 260         LD_NANOSLEEP="-lrt"
 261 fi
 262 if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
 263         echo "FATAL: nanosleep: no" 1>&2
 264         echo "FATAL: nanosleep: no" 1>&3
 265         exit 1
 266 fi
 267
 268 # --- ohash ---
 269 if ismanual ohash OHASH "${HAVE_OHASH}"; then
 270         :
 271 elif [ -n "${LD_OHASH}" ]; then
 272         runtest ohash OHASH "${LD_OHASH}" || true
 273 elif singletest ohash OHASH; then
 274         :
 275 elif runtest ohash OHASH "-lutil"; then
 276         LD_OHASH="-lutil"
 277 fi
 278 if [ "${HAVE_OHASH}" -eq 0 ]; then
 279         LD_OHASH=
 280 fi
 281
 282 # --- LDADD ---
 283 LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 284 echo "LDADD=\"${LDADD}\"" 1>&2
 285 echo "LDADD=\"${LDADD}\"" 1>&3
 286 echo 1>&3
 287
 288 # --- write config.h ---
 289
 290 exec > config.h
 291
 292 cat << __HEREDOC__
 293 #ifdef __cplusplus
 294 #error "Do not use C++.  See the INSTALL file."
 295 #endif
 296
 297 #if !defined(__GNUC__) || (__GNUC__ < 4)
 298 #define __attribute__(x)
 299 #endif
 300
 301 #if defined(__linux__) || defined(__MINT__)
 302 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 303 #endif
 304
 305 __HEREDOC__
 306
 307 [ ${HAVE_GETLINE} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 308   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 309         && echo "#include <sys/types.h>"
 310 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 311 [ ${HAVE_GETLINE} -eq 0 ] && echo "#include <stdio.h>"
 312
 313 echo
 314 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 315 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 316 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 317 [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\""
 318 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 319 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"
 320 [ ${HAVE_PATH_MAX} -eq 0 ] && echo "#define PATH_MAX 4096"
 321 if [ ${HAVE_ENDIAN} -eq 0 -a ${HAVE_SYS_ENDIAN} -eq 0 ]; then
 322         echo "#define be32toh ntohl"
 323         echo "#define htobe32 htonl"
 324 fi
 325
 326 cat << __HEREDOC__
 327 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 328 #define HAVE_ENDIAN ${HAVE_ENDIAN}
 329 #define HAVE_ERR ${HAVE_ERR}
 330 #define HAVE_FTS ${HAVE_FTS}
 331 #define HAVE_FTS_COMPARE_CONST ${HAVE_FTS_COMPARE_CONST}
 332 #define HAVE_GETLINE ${HAVE_GETLINE}
 333 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 334 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 335 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 336 #define HAVE_NTOHL ${HAVE_NTOHL}
 337 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 338 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 339 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 340 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 341 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 342 #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 343 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 344 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 345 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 346 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 347 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 348 #define HAVE_STRSEP ${HAVE_STRSEP}
 349 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 350 #define HAVE_SYS_ENDIAN ${HAVE_SYS_ENDIAN}
 351 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 352 #define HAVE_WCHAR ${HAVE_WCHAR}
 353 #define HAVE_OHASH ${HAVE_OHASH}
 354
 355 #define BINM_APROPOS "${BINM_APROPOS}"
 356 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 357 #define BINM_MAN "${BINM_MAN}"
 358 #define BINM_SOELIM "${BINM_SOELIM}"
 359 #define BINM_WHATIS "${BINM_WHATIS}"
 360
 361 __HEREDOC__
 362
 363 if [ ${HAVE_ERR} -eq 0 ]; then
 364         echo "extern    void      err(int, const char *, ...);"
 365         echo "extern    void      errx(int, const char *, ...);"
 366         echo "extern    void      warn(const char *, ...);"
 367         echo "extern    void      warnx(const char *, ...);"
 368 fi
 369
 370 [ ${HAVE_GETLINE} -eq 0 ] && \
 371         echo "extern    ssize_t   getline(char **, size_t *, FILE *);"
 372
 373 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 374         echo "extern    int       getsubopt(char **, char * const *, char **);"
 375
 376 [ ${HAVE_ISBLANK} -eq 0 ] && \
 377         echo "extern    int       isblank(int);"
 378
 379 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 380         echo "extern    char     *mkdtemp(char *);"
 381
 382 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 383         echo "extern    const char *getprogname(void);"
 384         echo "extern    void      setprogname(const char *);"
 385 fi
 386
 387 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 388         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 389
 390 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 391         echo "extern    char     *strcasestr(const char *, const char *);"
 392
 393 [ ${HAVE_STRLCAT} -eq 0 ] && \
 394         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 395
 396 [ ${HAVE_STRLCPY} -eq 0 ] && \
 397         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 398
 399 [ ${HAVE_STRSEP} -eq 0 ] && \
 400         echo "extern    char     *strsep(char **, const char *);"
 401
 402 [ ${HAVE_STRTONUM} -eq 0 ] && \
 403         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 404
 405 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 406         echo "extern    int       vasprintf(char **, const char *, va_list);"
 407
 408 echo "config.h: written" 1>&2
 409 echo "config.h: written" 1>&3
 410
 411 # --- tests for Makefile.local -----------------------------------------
 412
 413 exec > Makefile.local
 414
 415 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 416 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 417 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 418 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 419 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 420
 421 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 422 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 423
 424 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 425 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 426 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 427 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 428
 429 BUILD_TARGETS=
 430 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="cgi-build"
 431 INSTALL_TARGETS=
 432 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="cgi-install"
 433
 434 cat << __HEREDOC__
 435 BUILD_TARGETS   = ${BUILD_TARGETS}
 436 INSTALL_TARGETS = ${INSTALL_TARGETS}
 437 CC              = ${CC}
 438 CFLAGS          = ${CFLAGS}
 439 LDADD           = ${LDADD}
 440 LDFLAGS         = ${LDFLAGS}
 441 STATIC          = ${STATIC}
 442 PREFIX          = ${PREFIX}
 443 BINDIR          = ${BINDIR}
 444 SBINDIR         = ${SBINDIR}
 445 INCLUDEDIR      = ${INCLUDEDIR}
 446 LIBDIR          = ${LIBDIR}
 447 MANDIR          = ${MANDIR}
 448 WWWPREFIX       = ${WWWPREFIX}
 449 HTDOCDIR        = ${HTDOCDIR}
 450 CGIBINDIR       = ${CGIBINDIR}
 451 BINM_APROPOS    = ${BINM_APROPOS}
 452 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 453 BINM_MAN        = ${BINM_MAN}
 454 BINM_SOELIM     = ${BINM_SOELIM}
 455 BINM_WHATIS     = ${BINM_WHATIS}
 456 MANM_MAN        = ${MANM_MAN}
 457 MANM_MANCONF    = ${MANM_MANCONF}
 458 MANM_MDOC       = ${MANM_MDOC}
 459 MANM_ROFF       = ${MANM_ROFF}
 460 MANM_EQN        = ${MANM_EQN}
 461 MANM_TBL        = ${MANM_TBL}
 462 INSTALL         = ${INSTALL}
 463 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 464 INSTALL_LIB     = ${INSTALL_LIB}
 465 INSTALL_MAN     = ${INSTALL_MAN}
 466 INSTALL_DATA    = ${INSTALL_DATA}
 467 __HEREDOC__
 468
 469 echo "Makefile.local: written" 1>&2
 470 echo "Makefile.local: written" 1>&3
 471
 472 exit 0