configure

   1 #!/bin/sh
   2 #
   3 # $Id: configure,v 1.49 2016/08/02 11:09:46 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 -f -`
  41 CFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings"
  42 CFLAGS="${CFLAGS} -Wno-unused-parameter"
  43 LDADD=
  44 LDFLAGS=
  45 LD_NANOSLEEP=
  46 LD_OHASH=
  47 STATIC="-static"
  48
  49 BUILD_CGI=0
  50
  51 HAVE_DIRENT_NAMLEN=
  52 HAVE_EFTYPE=
  53 HAVE_ERR=
  54 HAVE_FTS=
  55 HAVE_GETLINE=
  56 HAVE_GETSUBOPT=
  57 HAVE_ISBLANK=
  58 HAVE_MKDTEMP=
  59 HAVE_NANOSLEEP=
  60 HAVE_OHASH=
  61 HAVE_PATH_MAX=
  62 HAVE_PLEDGE=
  63 HAVE_PROGNAME=
  64 HAVE_REALLOCARRAY=
  65 HAVE_REWB_BSD=
  66 HAVE_REWB_SYSV=
  67 HAVE_SANDBOX_INIT=
  68 HAVE_STRCASESTR=
  69 HAVE_STRINGLIST=
  70 HAVE_STRLCAT=
  71 HAVE_STRLCPY=
  72 HAVE_STRPTIME=
  73 HAVE_STRSEP=
  74 HAVE_STRTONUM=
  75 HAVE_VASPRINTF=
  76 HAVE_WCHAR=
  77
  78 PREFIX="/usr/local"
  79 BINDIR=
  80 SBINDIR=
  81 INCLUDEDIR=
  82 LIBDIR=
  83 MANDIR=
  84 HOMEBREWDIR=
  85
  86 WWWPREFIX="/var/www"
  87 HTDOCDIR=
  88 CGIBINDIR=
  89
  90 BINM_APROPOS="apropos"
  91 BINM_MAKEWHATIS="makewhatis"
  92 BINM_MAN="man"
  93 BINM_SOELIM="soelim"
  94 BINM_WHATIS="whatis"
  95 MANM_MAN="man"
  96 MANM_MANCONF="man.conf"
  97 MANM_MDOC="mdoc"
  98 MANM_ROFF="roff"
  99 MANM_EQN="eqn"
 100 MANM_TBL="tbl"
 101
 102 INSTALL="install"
 103 INSTALL_PROGRAM=
 104 INSTALL_LIB=
 105 INSTALL_MAN=
 106 INSTALL_DATA=
 107
 108 # --- manual settings from configure.local -----------------------------
 109
 110 if [ -r ./configure.local ]; then
 111         echo "configure.local: reading..." 1>&2
 112         echo "configure.local: reading..." 1>&3
 113         cat ./configure.local 1>&3
 114         . ./configure.local
 115 else
 116         echo "configure.local: no (fully automatic configuration)" 1>&2
 117         echo "configure.local: no (fully automatic configuration)" 1>&3
 118 fi
 119 echo 1>&3
 120
 121 # --- tests for config.h  ----------------------------------------------
 122
 123 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 124
 125 # Check whether this HAVE_ setting is manually overridden.
 126 # If yes, use the override, if no, do not decide anything yet.
 127 # Arguments: lower-case test name, manual value
 128 ismanual() {
 129         [ -z "${2}" ] && return 1
 130         echo "${1}: manual (${2})" 1>&2
 131         echo "${1}: manual (${2})" 1>&3
 132         echo 1>&3
 133         return 0
 134 }
 135
 136 # Run a single autoconfiguration test.
 137 # In case of success, enable the feature.
 138 # In case of failure, do not decide anything yet.
 139 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 140 singletest() {
 141         cat 1>&3 << __HEREDOC__
 142 ${1}: testing...
 143 ${COMP} ${3} -o test-${1} test-${1}.c
 144 __HEREDOC__
 145
 146         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 147                 echo "${1}: ${CC} succeeded" 1>&3
 148         else
 149                 echo "${1}: ${CC} failed with $?" 1>&3
 150                 echo 1>&3
 151                 return 1
 152         fi
 153
 154         if ./test-${1} 1>&3 2>&3; then
 155                 echo "${1}: yes" 1>&2
 156                 echo "${1}: yes" 1>&3
 157                 echo 1>&3
 158                 eval HAVE_${2}=1
 159                 rm "test-${1}"
 160                 return 0
 161         else
 162                 echo "${1}: execution failed with $?" 1>&3
 163                 echo 1>&3
 164                 rm "test-${1}"
 165                 return 1
 166         fi
 167 }
 168
 169 # Run a complete autoconfiguration test, including the check for
 170 # a manual override and disabling the feature on failure.
 171 # Arguments: lower case name, upper case name, additional CFLAGS
 172 runtest() {
 173         eval _manual=\${HAVE_${2}}
 174         ismanual "${1}" "${_manual}" && return 0
 175         singletest "${1}" "${2}" "${3}" && return 0
 176         echo "${1}: no" 1>&2
 177         eval HAVE_${2}=0
 178         return 1
 179 }
 180
 181 # Select a UTF-8 locale.
 182 get_locale() {
 183         [ -n "${HAVE_WCHAR}" ] && [ "${HAVE_WCHAR}" -eq 0 ] && return 0
 184         ismanual UTF8_LOCALE "$UTF8_LOCALE" && return 0
 185         echo "UTF8_LOCALE: testing..." 1>&3
 186         UTF8_LOCALE=`locale -a | grep -i '^en_US\.UTF-*8$' | head -n 1`
 187         if [ -z "${UTF8_LOCALE}" ]; then
 188                 UTF8_LOCALE=`locale -a | grep -i '\.UTF-*8' | head -n 1`
 189                 [ -n "${UTF8_LOCALE}" ] || return 1
 190         fi
 191         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&2
 192         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&3
 193         echo 1>&3
 194         return 0;
 195 }
 196
 197
 198 # --- library functions ---
 199 runtest dirent-namlen   DIRENT_NAMLEN   || true
 200 runtest EFTYPE          EFTYPE          || true
 201 runtest err             ERR             || true
 202 runtest fts             FTS             || true
 203 runtest getline         GETLINE         || true
 204 runtest getsubopt       GETSUBOPT       || true
 205 runtest isblank         ISBLANK         || true
 206 runtest mkdtemp         MKDTEMP         || true
 207 runtest PATH_MAX        PATH_MAX        || true
 208 runtest pledge          PLEDGE          || true
 209 runtest sandbox_init    SANDBOX_INIT    || true
 210 runtest progname        PROGNAME        || true
 211 runtest reallocarray    REALLOCARRAY    || true
 212 runtest rewb-bsd        REWB_BSD        || true
 213 runtest rewb-sysv       REWB_SYSV       || true
 214 runtest strcasestr      STRCASESTR      || true
 215 runtest stringlist      STRINGLIST      || true
 216 runtest strlcat         STRLCAT         || true
 217 runtest strlcpy         STRLCPY         || true
 218 runtest strptime        STRPTIME        || true
 219 runtest strsep          STRSEP          || true
 220 runtest strtonum        STRTONUM        || true
 221 runtest vasprintf       VASPRINTF       || true
 222
 223 # --- wide character and locale support ---
 224 if get_locale; then
 225         runtest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true
 226 else
 227         HAVE_WCHAR=0
 228         echo "wchar: no (no UTF8_LOCALE)" 1>&2
 229         echo "wchar: no (no UTF8_LOCALE)" 1>&3
 230 fi
 231
 232 # --- nanosleep ---
 233 if [ -n "${LD_NANOSLEEP}" ]; then
 234         runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
 235 elif singletest nanosleep NANOSLEEP; then
 236         :
 237 elif runtest nanosleep NANOSLEEP "-lrt"; then
 238         LD_NANOSLEEP="-lrt"
 239 fi
 240 if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
 241         echo "FATAL: nanosleep: no" 1>&2
 242         echo "FATAL: nanosleep: no" 1>&3
 243         exit 1
 244 fi
 245
 246 # --- ohash ---
 247 if ismanual ohash "${HAVE_OHASH}"; then
 248         :
 249 elif [ -n "${LD_OHASH}" ]; then
 250         runtest ohash OHASH "${LD_OHASH}" || true
 251 elif singletest ohash OHASH; then
 252         :
 253 elif runtest ohash OHASH "-lutil"; then
 254         LD_OHASH="-lutil"
 255 fi
 256 if [ "${HAVE_OHASH}" -eq 0 ]; then
 257         LD_OHASH=
 258 fi
 259
 260 # --- LDADD ---
 261 LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 262 echo "LDADD=\"${LDADD}\"" 1>&2
 263 echo "LDADD=\"${LDADD}\"" 1>&3
 264 echo 1>&3
 265
 266 # --- write config.h ---
 267
 268 exec > config.h
 269
 270 cat << __HEREDOC__
 271 #ifdef __cplusplus
 272 #error "Do not use C++.  See the INSTALL file."
 273 #endif
 274
 275 #if !defined(__GNUC__) || (__GNUC__ < 4)
 276 #define __attribute__(x)
 277 #endif
 278
 279 #if defined(__linux__) || defined(__MINT__)
 280 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 281 #endif
 282
 283 __HEREDOC__
 284
 285 [ ${HAVE_GETLINE} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 286   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 287         && echo "#include <sys/types.h>"
 288 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 289 [ ${HAVE_GETLINE} -eq 0 ] && echo "#include <stdio.h>"
 290
 291 echo
 292 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 293 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 294 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 295 [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\""
 296 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 297 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"
 298 [ ${HAVE_PATH_MAX} -eq 0 ] && echo "#define PATH_MAX 4096"
 299
 300 cat << __HEREDOC__
 301 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 302 #define HAVE_ERR ${HAVE_ERR}
 303 #define HAVE_FTS ${HAVE_FTS}
 304 #define HAVE_GETLINE ${HAVE_GETLINE}
 305 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 306 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 307 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 308 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 309 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 310 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 311 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 312 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 313 #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 314 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 315 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 316 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 317 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 318 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 319 #define HAVE_STRSEP ${HAVE_STRSEP}
 320 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 321 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 322 #define HAVE_WCHAR ${HAVE_WCHAR}
 323 #define HAVE_OHASH ${HAVE_OHASH}
 324
 325 #define BINM_APROPOS "${BINM_APROPOS}"
 326 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 327 #define BINM_MAN "${BINM_MAN}"
 328 #define BINM_SOELIM "${BINM_SOELIM}"
 329 #define BINM_WHATIS "${BINM_WHATIS}"
 330
 331 __HEREDOC__
 332
 333 if [ ${HAVE_ERR} -eq 0 ]; then
 334         echo "extern    void      err(int, const char *, ...);"
 335         echo "extern    void      errx(int, const char *, ...);"
 336         echo "extern    void      warn(const char *, ...);"
 337         echo "extern    void      warnx(const char *, ...);"
 338 fi
 339
 340 [ ${HAVE_GETLINE} -eq 0 ] && \
 341         echo "extern    ssize_t   getline(char **, size_t *, FILE *);"
 342
 343 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 344         echo "extern    int       getsubopt(char **, char * const *, char **);"
 345
 346 [ ${HAVE_ISBLANK} -eq 0 ] && \
 347         echo "extern    int       isblank(int);"
 348
 349 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 350         echo "extern    char     *mkdtemp(char *);"
 351
 352 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 353         echo "extern    const char *getprogname(void);"
 354         echo "extern    void      setprogname(const char *);"
 355 fi
 356
 357 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 358         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 359
 360 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 361         echo "extern    char     *strcasestr(const char *, const char *);"
 362
 363 [ ${HAVE_STRLCAT} -eq 0 ] && \
 364         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 365
 366 [ ${HAVE_STRLCPY} -eq 0 ] && \
 367         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 368
 369 [ ${HAVE_STRSEP} -eq 0 ] && \
 370         echo "extern    char     *strsep(char **, const char *);"
 371
 372 [ ${HAVE_STRTONUM} -eq 0 ] && \
 373         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 374
 375 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 376         echo "extern    int       vasprintf(char **, const char *, va_list);"
 377
 378 echo "config.h: written" 1>&2
 379 echo "config.h: written" 1>&3
 380
 381 # --- tests for Makefile.local -----------------------------------------
 382
 383 exec > Makefile.local
 384
 385 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 386 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 387 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 388 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 389 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 390
 391 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 392 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 393
 394 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 395 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 396 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 397 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 398
 399 BUILD_TARGETS=
 400 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="cgi-build"
 401 INSTALL_TARGETS=
 402 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="cgi-install"
 403
 404 cat << __HEREDOC__
 405 BUILD_TARGETS   = ${BUILD_TARGETS}
 406 INSTALL_TARGETS = ${INSTALL_TARGETS}
 407 CC              = ${CC}
 408 CFLAGS          = ${CFLAGS}
 409 LDADD           = ${LDADD}
 410 LDFLAGS         = ${LDFLAGS}
 411 STATIC          = ${STATIC}
 412 PREFIX          = ${PREFIX}
 413 BINDIR          = ${BINDIR}
 414 SBINDIR         = ${SBINDIR}
 415 INCLUDEDIR      = ${INCLUDEDIR}
 416 LIBDIR          = ${LIBDIR}
 417 MANDIR          = ${MANDIR}
 418 WWWPREFIX       = ${WWWPREFIX}
 419 HTDOCDIR        = ${HTDOCDIR}
 420 CGIBINDIR       = ${CGIBINDIR}
 421 BINM_APROPOS    = ${BINM_APROPOS}
 422 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 423 BINM_MAN        = ${BINM_MAN}
 424 BINM_SOELIM     = ${BINM_SOELIM}
 425 BINM_WHATIS     = ${BINM_WHATIS}
 426 MANM_MAN        = ${MANM_MAN}
 427 MANM_MANCONF    = ${MANM_MANCONF}
 428 MANM_MDOC       = ${MANM_MDOC}
 429 MANM_ROFF       = ${MANM_ROFF}
 430 MANM_EQN        = ${MANM_EQN}
 431 MANM_TBL        = ${MANM_TBL}
 432 INSTALL         = ${INSTALL}
 433 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 434 INSTALL_LIB     = ${INSTALL_LIB}
 435 INSTALL_MAN     = ${INSTALL_MAN}
 436 INSTALL_DATA    = ${INSTALL_DATA}
 437 __HEREDOC__
 438
 439 echo "Makefile.local: written" 1>&2
 440 echo "Makefile.local: written" 1>&3
 441
 442 exit 0