configure

   1 #!/bin/sh
   2 #
   3 # $Id: configure,v 1.48 2016/07/31 09:29:13 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="${CFLAGS} -Wno-unused-parameter"
  43 LDADD=
  44 LDFLAGS=
  45 LD_NANOSLEEP=
  46 LD_OHASH=
  47 STATIC="-static"
  48
  49 BUILD_CGI=0
  50
  51 HAVE_DIRENT_NAMLEN=
  52 HAVE_EFTYPE=
  53 HAVE_ERR=
  54 HAVE_FTS=
  55 HAVE_GETLINE=
  56 HAVE_GETSUBOPT=
  57 HAVE_ISBLANK=
  58 HAVE_MKDTEMP=
  59 HAVE_NANOSLEEP=
  60 HAVE_OHASH=
  61 HAVE_PLEDGE=
  62 HAVE_PROGNAME=
  63 HAVE_REALLOCARRAY=
  64 HAVE_REWB_BSD=
  65 HAVE_REWB_SYSV=
  66 HAVE_SANDBOX_INIT=
  67 HAVE_STRCASESTR=
  68 HAVE_STRINGLIST=
  69 HAVE_STRLCAT=
  70 HAVE_STRLCPY=
  71 HAVE_STRPTIME=
  72 HAVE_STRSEP=
  73 HAVE_STRTONUM=
  74 HAVE_VASPRINTF=
  75 HAVE_WCHAR=
  76
  77 PREFIX="/usr/local"
  78 BINDIR=
  79 SBINDIR=
  80 INCLUDEDIR=
  81 LIBDIR=
  82 MANDIR=
  83 HOMEBREWDIR=
  84
  85 WWWPREFIX="/var/www"
  86 HTDOCDIR=
  87 CGIBINDIR=
  88
  89 BINM_APROPOS="apropos"
  90 BINM_MAKEWHATIS="makewhatis"
  91 BINM_MAN="man"
  92 BINM_SOELIM="soelim"
  93 BINM_WHATIS="whatis"
  94 MANM_MAN="man"
  95 MANM_MANCONF="man.conf"
  96 MANM_MDOC="mdoc"
  97 MANM_ROFF="roff"
  98 MANM_EQN="eqn"
  99 MANM_TBL="tbl"
 100
 101 INSTALL="install"
 102 INSTALL_PROGRAM=
 103 INSTALL_LIB=
 104 INSTALL_MAN=
 105 INSTALL_DATA=
 106
 107 # --- manual settings from configure.local -----------------------------
 108
 109 if [ -r ./configure.local ]; then
 110         echo "configure.local: reading..." 1>&2
 111         echo "configure.local: reading..." 1>&3
 112         cat ./configure.local 1>&3
 113         . ./configure.local
 114 else
 115         echo "configure.local: no (fully automatic configuration)" 1>&2
 116         echo "configure.local: no (fully automatic configuration)" 1>&3
 117 fi
 118 echo 1>&3
 119
 120 # --- tests for config.h  ----------------------------------------------
 121
 122 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 123
 124 # Check whether this HAVE_ setting is manually overridden.
 125 # If yes, use the override, if no, do not decide anything yet.
 126 # Arguments: lower-case test name, manual value
 127 ismanual() {
 128         [ -z "${2}" ] && return 1
 129         echo "${1}: manual (${2})" 1>&2
 130         echo "${1}: manual (${2})" 1>&3
 131         echo 1>&3
 132         return 0
 133 }
 134
 135 # Run a single autoconfiguration test.
 136 # In case of success, enable the feature.
 137 # In case of failure, do not decide anything yet.
 138 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 139 singletest() {
 140         cat 1>&3 << __HEREDOC__
 141 ${1}: testing...
 142 ${COMP} ${3} -o test-${1} test-${1}.c
 143 __HEREDOC__
 144
 145         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 146                 echo "${1}: ${CC} succeeded" 1>&3
 147         else
 148                 echo "${1}: ${CC} failed with $?" 1>&3
 149                 echo 1>&3
 150                 return 1
 151         fi
 152
 153         if ./test-${1} 1>&3 2>&3; then
 154                 echo "${1}: yes" 1>&2
 155                 echo "${1}: yes" 1>&3
 156                 echo 1>&3
 157                 eval HAVE_${2}=1
 158                 rm "test-${1}"
 159                 return 0
 160         else
 161                 echo "${1}: execution failed with $?" 1>&3
 162                 echo 1>&3
 163                 rm "test-${1}"
 164                 return 1
 165         fi
 166 }
 167
 168 # Run a complete autoconfiguration test, including the check for
 169 # a manual override and disabling the feature on failure.
 170 # Arguments: lower case name, upper case name, additional CFLAGS
 171 runtest() {
 172         eval _manual=\${HAVE_${2}}
 173         ismanual "${1}" "${_manual}" && return 0
 174         singletest "${1}" "${2}" "${3}" && return 0
 175         echo "${1}: no" 1>&2
 176         eval HAVE_${2}=0
 177         return 1
 178 }
 179
 180 # Select a UTF-8 locale.
 181 get_locale() {
 182         [ -n "${HAVE_WCHAR}" ] && [ "${HAVE_WCHAR}" -eq 0 ] && return 0
 183         ismanual UTF8_LOCALE "$UTF8_LOCALE" && return 0
 184         echo "UTF8_LOCALE: testing..." 1>&3
 185         UTF8_LOCALE=`locale -a | grep -i '^en_US\.UTF-*8$' | head -n 1`
 186         if [ -z "${UTF8_LOCALE}" ]; then
 187                 UTF8_LOCALE=`locale -a | grep -i '\.UTF-*8' | head -n 1`
 188                 [ -n "${UTF8_LOCALE}" ] || return 1
 189         fi
 190         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&2
 191         echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&3
 192         echo 1>&3
 193         return 0;
 194 }
 195
 196
 197 # --- library functions ---
 198 runtest dirent-namlen   DIRENT_NAMLEN   || true
 199 runtest EFTYPE          EFTYPE          || true
 200 runtest err             ERR             || true
 201 runtest fts             FTS             || true
 202 runtest getline         GETLINE         || true
 203 runtest getsubopt       GETSUBOPT       || true
 204 runtest isblank         ISBLANK         || true
 205 runtest mkdtemp         MKDTEMP         || true
 206 runtest pledge          PLEDGE          || true
 207 runtest sandbox_init    SANDBOX_INIT    || true
 208 runtest progname        PROGNAME        || true
 209 runtest reallocarray    REALLOCARRAY    || true
 210 runtest rewb-bsd        REWB_BSD        || true
 211 runtest rewb-sysv       REWB_SYSV       || true
 212 runtest strcasestr      STRCASESTR      || true
 213 runtest stringlist      STRINGLIST      || true
 214 runtest strlcat         STRLCAT         || true
 215 runtest strlcpy         STRLCPY         || true
 216 runtest strptime        STRPTIME        || true
 217 runtest strsep          STRSEP          || true
 218 runtest strtonum        STRTONUM        || true
 219 runtest vasprintf       VASPRINTF       || true
 220
 221 # --- wide character and locale support ---
 222 if get_locale; then
 223         runtest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true
 224 else
 225         HAVE_WCHAR=0
 226         echo "wchar: no (no UTF8_LOCALE)" 1>&2
 227         echo "wchar: no (no UTF8_LOCALE)" 1>&3
 228 fi
 229
 230 # --- nanosleep ---
 231 if [ -n "${LD_NANOSLEEP}" ]; then
 232         runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
 233 elif singletest nanosleep NANOSLEEP; then
 234         :
 235 elif runtest nanosleep NANOSLEEP "-lrt"; then
 236         LD_NANOSLEEP="-lrt"
 237 fi
 238 if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
 239         echo "FATAL: nanosleep: no" 1>&2
 240         echo "FATAL: nanosleep: no" 1>&3
 241         exit 1
 242 fi
 243
 244 # --- ohash ---
 245 if ismanual ohash "${HAVE_OHASH}"; then
 246         :
 247 elif [ -n "${LD_OHASH}" ]; then
 248         runtest ohash OHASH "${LD_OHASH}" || true
 249 elif singletest ohash OHASH; then
 250         :
 251 elif runtest ohash OHASH "-lutil"; then
 252         LD_OHASH="-lutil"
 253 fi
 254 if [ "${HAVE_OHASH}" -eq 0 ]; then
 255         LD_OHASH=
 256 fi
 257
 258 # --- LDADD ---
 259 LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 260 echo "LDADD=\"${LDADD}\"" 1>&2
 261 echo "LDADD=\"${LDADD}\"" 1>&3
 262 echo 1>&3
 263
 264 # --- write config.h ---
 265
 266 exec > config.h
 267
 268 cat << __HEREDOC__
 269 #ifdef __cplusplus
 270 #error "Do not use C++.  See the INSTALL file."
 271 #endif
 272
 273 #if !defined(__GNUC__) || (__GNUC__ < 4)
 274 #define __attribute__(x)
 275 #endif
 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_GETLINE} -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 [ ${HAVE_GETLINE} -eq 0 ] && echo "#include <stdio.h>"
 288
 289 echo
 290 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 291 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 292 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 293 [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\""
 294 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 295 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"
 296
 297 cat << __HEREDOC__
 298 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 299 #define HAVE_ERR ${HAVE_ERR}
 300 #define HAVE_FTS ${HAVE_FTS}
 301 #define HAVE_GETLINE ${HAVE_GETLINE}
 302 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 303 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 304 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 305 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 306 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 307 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 308 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 309 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 310 #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 311 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 312 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 313 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 314 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 315 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 316 #define HAVE_STRSEP ${HAVE_STRSEP}
 317 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 318 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 319 #define HAVE_WCHAR ${HAVE_WCHAR}
 320 #define HAVE_OHASH ${HAVE_OHASH}
 321
 322 #define BINM_APROPOS "${BINM_APROPOS}"
 323 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 324 #define BINM_MAN "${BINM_MAN}"
 325 #define BINM_SOELIM "${BINM_SOELIM}"
 326 #define BINM_WHATIS "${BINM_WHATIS}"
 327
 328 __HEREDOC__
 329
 330 if [ ${HAVE_ERR} -eq 0 ]; then
 331         echo "extern    void      err(int, const char *, ...);"
 332         echo "extern    void      errx(int, const char *, ...);"
 333         echo "extern    void      warn(const char *, ...);"
 334         echo "extern    void      warnx(const char *, ...);"
 335 fi
 336
 337 [ ${HAVE_GETLINE} -eq 0 ] && \
 338         echo "extern    ssize_t   getline(char **, size_t *, FILE *);"
 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 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 350         echo "extern    const char *getprogname(void);"
 351         echo "extern    void      setprogname(const char *);"
 352 fi
 353
 354 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 355         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 356
 357 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 358         echo "extern    char     *strcasestr(const char *, const char *);"
 359
 360 [ ${HAVE_STRLCAT} -eq 0 ] && \
 361         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 362
 363 [ ${HAVE_STRLCPY} -eq 0 ] && \
 364         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 365
 366 [ ${HAVE_STRSEP} -eq 0 ] && \
 367         echo "extern    char     *strsep(char **, const char *);"
 368
 369 [ ${HAVE_STRTONUM} -eq 0 ] && \
 370         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 371
 372 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 373         echo "extern    int       vasprintf(char **, const char *, va_list);"
 374
 375 echo "config.h: written" 1>&2
 376 echo "config.h: written" 1>&3
 377
 378 # --- tests for Makefile.local -----------------------------------------
 379
 380 exec > Makefile.local
 381
 382 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 383 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 384 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 385 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 386 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 387
 388 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 389 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 390
 391 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 392 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 393 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 394 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 395
 396 BUILD_TARGETS=
 397 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="cgi-build"
 398 INSTALL_TARGETS=
 399 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="cgi-install"
 400
 401 cat << __HEREDOC__
 402 BUILD_TARGETS   = ${BUILD_TARGETS}
 403 INSTALL_TARGETS = ${INSTALL_TARGETS}
 404 CC              = ${CC}
 405 CFLAGS          = ${CFLAGS}
 406 LDADD           = ${LDADD}
 407 LDFLAGS         = ${LDFLAGS}
 408 STATIC          = ${STATIC}
 409 PREFIX          = ${PREFIX}
 410 BINDIR          = ${BINDIR}
 411 SBINDIR         = ${SBINDIR}
 412 INCLUDEDIR      = ${INCLUDEDIR}
 413 LIBDIR          = ${LIBDIR}
 414 MANDIR          = ${MANDIR}
 415 WWWPREFIX       = ${WWWPREFIX}
 416 HTDOCDIR        = ${HTDOCDIR}
 417 CGIBINDIR       = ${CGIBINDIR}
 418 BINM_APROPOS    = ${BINM_APROPOS}
 419 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 420 BINM_MAN        = ${BINM_MAN}
 421 BINM_SOELIM     = ${BINM_SOELIM}
 422 BINM_WHATIS     = ${BINM_WHATIS}
 423 MANM_MAN        = ${MANM_MAN}
 424 MANM_MANCONF    = ${MANM_MANCONF}
 425 MANM_MDOC       = ${MANM_MDOC}
 426 MANM_ROFF       = ${MANM_ROFF}
 427 MANM_EQN        = ${MANM_EQN}
 428 MANM_TBL        = ${MANM_TBL}
 429 INSTALL         = ${INSTALL}
 430 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 431 INSTALL_LIB     = ${INSTALL_LIB}
 432 INSTALL_MAN     = ${INSTALL_MAN}
 433 INSTALL_DATA    = ${INSTALL_DATA}
 434 __HEREDOC__
 435
 436 echo "Makefile.local: written" 1>&2
 437 echo "Makefile.local: written" 1>&3
 438
 439 exit 0