configure

   1 #!/bin/sh
   2 #
   3 # $Id: configure,v 1.55 2017/01/12 15:45:05 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="${CFLAGS} -Wno-unused-parameter"
  43 LDADD=
  44 LDFLAGS=
  45 LD_NANOSLEEP=
  46 LD_OHASH=
  47 STATIC="-static"
  48
  49 BUILD_CGI=0
  50 INSTALL_LIBMANDOC=0
  51
  52 HAVE_DIRENT_NAMLEN=
  53 HAVE_EFTYPE=
  54 HAVE_ENDIAN=
  55 HAVE_ERR=
  56 HAVE_FTS=
  57 HAVE_FTS_COMPARE_CONST=
  58 HAVE_GETLINE=
  59 HAVE_GETSUBOPT=
  60 HAVE_ISBLANK=
  61 HAVE_MKDTEMP=
  62 HAVE_NANOSLEEP=
  63 HAVE_NTOHL=
  64 HAVE_OHASH=
  65 HAVE_PATH_MAX=
  66 HAVE_PLEDGE=
  67 HAVE_PROGNAME=
  68 HAVE_REALLOCARRAY=
  69 HAVE_REWB_BSD=
  70 HAVE_REWB_SYSV=
  71 HAVE_SANDBOX_INIT=
  72 HAVE_STRCASESTR=
  73 HAVE_STRINGLIST=
  74 HAVE_STRLCAT=
  75 HAVE_STRLCPY=
  76 HAVE_STRPTIME=
  77 HAVE_STRSEP=
  78 HAVE_STRTONUM=
  79 HAVE_SYS_ENDIAN=
  80 HAVE_VASPRINTF=
  81 HAVE_WCHAR=
  82
  83 PREFIX="/usr/local"
  84 BINDIR=
  85 SBINDIR=
  86 INCLUDEDIR=
  87 LIBDIR=
  88 MANDIR=
  89 HOMEBREWDIR=
  90
  91 WWWPREFIX="/var/www"
  92 HTDOCDIR=
  93 CGIBINDIR=
  94
  95 BINM_APROPOS="apropos"
  96 BINM_MAKEWHATIS="makewhatis"
  97 BINM_MAN="man"
  98 BINM_SOELIM="soelim"
  99 BINM_WHATIS="whatis"
 100 MANM_MAN="man"
 101 MANM_MANCONF="man.conf"
 102 MANM_MDOC="mdoc"
 103 MANM_ROFF="roff"
 104 MANM_EQN="eqn"
 105 MANM_TBL="tbl"
 106
 107 INSTALL="install"
 108 INSTALL_PROGRAM=
 109 INSTALL_LIB=
 110 INSTALL_MAN=
 111 INSTALL_DATA=
 112
 113 # --- manual settings from configure.local -----------------------------
 114
 115 if [ -r ./configure.local ]; then
 116         echo "configure.local: reading..." 1>&2
 117         echo "configure.local: reading..." 1>&3
 118         cat ./configure.local 1>&3
 119         . ./configure.local
 120 else
 121         echo "configure.local: no (fully automatic configuration)" 1>&2
 122         echo "configure.local: no (fully automatic configuration)" 1>&3
 123 fi
 124 echo 1>&3
 125
 126 # --- tests for config.h  ----------------------------------------------
 127
 128 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 129
 130 # Check whether this HAVE_ setting is manually overridden.
 131 # If yes, use the override, if no, do not decide anything yet.
 132 # Arguments: lower-case test name, manual value
 133 ismanual() {
 134         [ -z "${3}" ] && return 1
 135         echo "${1}: manual (HAVE_${2}=${3})" 1>&2
 136         echo "${1}: manual (HAVE_${2}=${3})" 1>&3
 137         echo 1>&3
 138         return 0
 139 }
 140
 141 # Run a single autoconfiguration test.
 142 # In case of success, enable the feature.
 143 # In case of failure, do not decide anything yet.
 144 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 145 singletest() {
 146         cat 1>&3 << __HEREDOC__
 147 ${1}${3}: testing...
 148 ${COMP} -o test-${1} test-${1}.c ${3}
 149 __HEREDOC__
 150
 151         if ${COMP} -o "test-${1}" "test-${1}.c" ${3} 1>&3 2>&3; then
 152                 echo "${1}${3}: ${CC} succeeded" 1>&3
 153         else
 154                 echo "${1}${3}: ${CC} failed with $?" 1>&3
 155                 echo 1>&3
 156                 return 1
 157         fi
 158
 159         if ./test-${1} 1>&3 2>&3; then
 160                 echo "${1}${3}: yes" 1>&2
 161                 echo "${1}${3}: yes" 1>&3
 162                 echo 1>&3
 163                 eval HAVE_${2}=1
 164                 rm "test-${1}"
 165                 return 0
 166         else
 167                 echo "${1}${3}: execution failed with $?" 1>&3
 168                 echo 1>&3
 169                 rm "test-${1}"
 170                 return 1
 171         fi
 172 }
 173
 174 # Run a complete autoconfiguration test, including the check for
 175 # a manual override and disabling the feature on failure.
 176 # Arguments: lower case name, upper case name, additional CFLAGS
 177 runtest() {
 178         eval _manual=\${HAVE_${2}}
 179         ismanual "${1}" "${2}" "${_manual}" && return 0
 180         singletest "${1}" "${2}" "${3}" && return 0
 181         echo "${1}${3}: no" 1>&2
 182         eval HAVE_${2}=0
 183         return 1
 184 }
 185
 186 # Select a UTF-8 locale.
 187 get_locale() {
 188         [ -n "${HAVE_WCHAR}" ] && [ "${HAVE_WCHAR}" -eq 0 ] && return 0
 189         ismanual UTF8_LOCALE UTF8_LOCALE "$UTF8_LOCALE" && return 0
 190         echo "UTF8_LOCALE: testing..." 1>&3
 191         UTF8_LOCALE=`locale -a | grep -i '^en_US\.UTF-*8$' | head -n 1`
 192         if [ -z "${UTF8_LOCALE}" ]; then
 193                 UTF8_LOCALE=`locale -a | grep -i '\.UTF-*8' | head -n 1`
 194                 [ -n "${UTF8_LOCALE}" ] || return 1
 195         fi
 196         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&2
 197         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&3
 198         echo 1>&3
 199         return 0;
 200 }
 201
 202
 203 # --- library functions ---
 204 runtest dirent-namlen   DIRENT_NAMLEN   || true
 205 runtest be32toh         ENDIAN          || true
 206 runtest be32toh         SYS_ENDIAN      -DSYS_ENDIAN || true
 207 runtest EFTYPE          EFTYPE          || true
 208 runtest err             ERR             || true
 209 runtest getline         GETLINE         || true
 210 runtest getsubopt       GETSUBOPT       || true
 211 runtest isblank         ISBLANK         || true
 212 runtest mkdtemp         MKDTEMP         || true
 213 runtest ntohl           NTOHL           || true
 214 runtest PATH_MAX        PATH_MAX        || true
 215 runtest pledge          PLEDGE          || true
 216 runtest sandbox_init    SANDBOX_INIT    || true
 217 runtest progname        PROGNAME        || true
 218 runtest reallocarray    REALLOCARRAY    || true
 219 runtest rewb-bsd        REWB_BSD        || true
 220 runtest rewb-sysv       REWB_SYSV       || true
 221 runtest strcasestr      STRCASESTR      || true
 222 runtest stringlist      STRINGLIST      || true
 223 runtest strlcat         STRLCAT         || true
 224 runtest strlcpy         STRLCPY         || true
 225 runtest strptime        STRPTIME        || true
 226 runtest strsep          STRSEP          || true
 227 runtest strtonum        STRTONUM        || true
 228 runtest vasprintf       VASPRINTF       || true
 229
 230 if [ ${HAVE_ENDIAN} -eq 0 -a \
 231      ${HAVE_SYS_ENDIAN} -eq 0 -a \
 232      ${HAVE_NTOHL} -eq 0 ]; then
 233         echo "FATAL: no endian conversion functions found" 1>&2
 234         echo "FATAL: no endian conversion functions found" 1>&3
 235         exit 1
 236 fi
 237
 238 if ismanual fts FTS ${HAVE_FTS}; then
 239         HAVE_FTS_COMPARE_CONST=0
 240 elif runtest fts FTS_COMPARE_CONST -DFTS_COMPARE_CONST; then
 241         HAVE_FTS=1
 242 else
 243         runtest fts FTS || true
 244 fi
 245
 246 # --- wide character and locale support ---
 247 if get_locale; then
 248         runtest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true
 249 else
 250         HAVE_WCHAR=0
 251         echo "wchar: no (no UTF8_LOCALE)" 1>&2
 252         echo "wchar: no (no UTF8_LOCALE)" 1>&3
 253 fi
 254
 255 # --- nanosleep ---
 256 if [ -n "${LD_NANOSLEEP}" ]; then
 257         runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
 258 elif singletest nanosleep NANOSLEEP; then
 259         :
 260 elif runtest nanosleep NANOSLEEP "-lrt"; then
 261         LD_NANOSLEEP="-lrt"
 262 fi
 263 if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
 264         echo "FATAL: nanosleep: no" 1>&2
 265         echo "FATAL: nanosleep: no" 1>&3
 266         exit 1
 267 fi
 268
 269 # --- ohash ---
 270 if ismanual ohash OHASH "${HAVE_OHASH}"; then
 271         :
 272 elif [ -n "${LD_OHASH}" ]; then
 273         runtest ohash OHASH "${LD_OHASH}" || true
 274 elif singletest ohash OHASH; then
 275         :
 276 elif runtest ohash OHASH "-lutil"; then
 277         LD_OHASH="-lutil"
 278 fi
 279 if [ "${HAVE_OHASH}" -eq 0 ]; then
 280         LD_OHASH=
 281 fi
 282
 283 # --- LDADD ---
 284 LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 285 echo "LDADD=\"${LDADD}\"" 1>&2
 286 echo "LDADD=\"${LDADD}\"" 1>&3
 287 echo 1>&3
 288
 289 # --- write config.h ---
 290
 291 exec > config.h
 292
 293 cat << __HEREDOC__
 294 #ifdef __cplusplus
 295 #error "Do not use C++.  See the INSTALL file."
 296 #endif
 297
 298 #if !defined(__GNUC__) || (__GNUC__ < 4)
 299 #define __attribute__(x)
 300 #endif
 301
 302 #if defined(__linux__) || defined(__MINT__)
 303 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 304 #endif
 305
 306 __HEREDOC__
 307
 308 [ ${HAVE_GETLINE} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 309   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 310         && echo "#include <sys/types.h>"
 311 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 312 [ ${HAVE_GETLINE} -eq 0 ] && echo "#include <stdio.h>"
 313
 314 echo
 315 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 316 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 317 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 318 [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\""
 319 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 320 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"
 321 [ ${HAVE_PATH_MAX} -eq 0 ] && echo "#define PATH_MAX 4096"
 322 if [ ${HAVE_ENDIAN} -eq 0 -a ${HAVE_SYS_ENDIAN} -eq 0 ]; then
 323         echo "#define be32toh ntohl"
 324         echo "#define htobe32 htonl"
 325 fi
 326
 327 cat << __HEREDOC__
 328 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 329 #define HAVE_ENDIAN ${HAVE_ENDIAN}
 330 #define HAVE_ERR ${HAVE_ERR}
 331 #define HAVE_FTS ${HAVE_FTS}
 332 #define HAVE_FTS_COMPARE_CONST ${HAVE_FTS_COMPARE_CONST}
 333 #define HAVE_GETLINE ${HAVE_GETLINE}
 334 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 335 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 336 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 337 #define HAVE_NTOHL ${HAVE_NTOHL}
 338 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 339 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 340 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 341 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 342 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 343 #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 344 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 345 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 346 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 347 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 348 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 349 #define HAVE_STRSEP ${HAVE_STRSEP}
 350 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 351 #define HAVE_SYS_ENDIAN ${HAVE_SYS_ENDIAN}
 352 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 353 #define HAVE_WCHAR ${HAVE_WCHAR}
 354 #define HAVE_OHASH ${HAVE_OHASH}
 355
 356 #define BINM_APROPOS "${BINM_APROPOS}"
 357 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 358 #define BINM_MAN "${BINM_MAN}"
 359 #define BINM_SOELIM "${BINM_SOELIM}"
 360 #define BINM_WHATIS "${BINM_WHATIS}"
 361
 362 __HEREDOC__
 363
 364 if [ ${HAVE_ERR} -eq 0 ]; then
 365         echo "extern    void      err(int, const char *, ...);"
 366         echo "extern    void      errx(int, const char *, ...);"
 367         echo "extern    void      warn(const char *, ...);"
 368         echo "extern    void      warnx(const char *, ...);"
 369 fi
 370
 371 [ ${HAVE_GETLINE} -eq 0 ] && \
 372         echo "extern    ssize_t   getline(char **, size_t *, FILE *);"
 373
 374 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 375         echo "extern    int       getsubopt(char **, char * const *, char **);"
 376
 377 [ ${HAVE_ISBLANK} -eq 0 ] && \
 378         echo "extern    int       isblank(int);"
 379
 380 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 381         echo "extern    char     *mkdtemp(char *);"
 382
 383 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 384         echo "extern    const char *getprogname(void);"
 385         echo "extern    void      setprogname(const char *);"
 386 fi
 387
 388 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 389         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 390
 391 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 392         echo "extern    char     *strcasestr(const char *, const char *);"
 393
 394 [ ${HAVE_STRLCAT} -eq 0 ] && \
 395         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 396
 397 [ ${HAVE_STRLCPY} -eq 0 ] && \
 398         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 399
 400 [ ${HAVE_STRSEP} -eq 0 ] && \
 401         echo "extern    char     *strsep(char **, const char *);"
 402
 403 [ ${HAVE_STRTONUM} -eq 0 ] && \
 404         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 405
 406 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 407         echo "extern    int       vasprintf(char **, const char *, va_list);"
 408
 409 echo "config.h: written" 1>&2
 410 echo "config.h: written" 1>&3
 411
 412 # --- tests for Makefile.local -----------------------------------------
 413
 414 exec > Makefile.local
 415
 416 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 417 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 418 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 419 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 420 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 421
 422 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 423 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 424
 425 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 426 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 427 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 428 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 429
 430 BUILD_TARGETS=
 431 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="cgi-build"
 432 INSTALL_TARGETS=
 433 [ ${INSTALL_LIBMANDOC} -gt 0 ] && INSTALL_TARGETS="lib-install"
 434 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install"
 435
 436 cat << __HEREDOC__
 437 BUILD_TARGETS   = ${BUILD_TARGETS}
 438 INSTALL_TARGETS = ${INSTALL_TARGETS}
 439 CC              = ${CC}
 440 CFLAGS          = ${CFLAGS}
 441 LDADD           = ${LDADD}
 442 LDFLAGS         = ${LDFLAGS}
 443 STATIC          = ${STATIC}
 444 PREFIX          = ${PREFIX}
 445 BINDIR          = ${BINDIR}
 446 SBINDIR         = ${SBINDIR}
 447 INCLUDEDIR      = ${INCLUDEDIR}
 448 LIBDIR          = ${LIBDIR}
 449 MANDIR          = ${MANDIR}
 450 WWWPREFIX       = ${WWWPREFIX}
 451 HTDOCDIR        = ${HTDOCDIR}
 452 CGIBINDIR       = ${CGIBINDIR}
 453 BINM_APROPOS    = ${BINM_APROPOS}
 454 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 455 BINM_MAN        = ${BINM_MAN}
 456 BINM_SOELIM     = ${BINM_SOELIM}
 457 BINM_WHATIS     = ${BINM_WHATIS}
 458 MANM_MAN        = ${MANM_MAN}
 459 MANM_MANCONF    = ${MANM_MANCONF}
 460 MANM_MDOC       = ${MANM_MDOC}
 461 MANM_ROFF       = ${MANM_ROFF}
 462 MANM_EQN        = ${MANM_EQN}
 463 MANM_TBL        = ${MANM_TBL}
 464 INSTALL         = ${INSTALL}
 465 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 466 INSTALL_LIB     = ${INSTALL_LIB}
 467 INSTALL_MAN     = ${INSTALL_MAN}
 468 INSTALL_DATA    = ${INSTALL_DATA}
 469 __HEREDOC__
 470
 471 echo "Makefile.local: written" 1>&2
 472 echo "Makefile.local: written" 1>&3
 473
 474 exit 0