configure

   1 #!/bin/sh
   2 #
   3 # $Id: configure,v 1.47 2016/07/20 14:03:06 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
  39 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -f -`
  40 CFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings"
  41 CFLAGS="${CFLAGS} -Wno-unused-parameter"
  42 LDADD=
  43 LDFLAGS=
  44 LD_NANOSLEEP=
  45 LD_OHASH=
  46 STATIC="-static"
  47
  48 BUILD_CGI=0
  49
  50 HAVE_DIRENT_NAMLEN=
  51 HAVE_EFTYPE=
  52 HAVE_ERR=
  53 HAVE_FTS=
  54 HAVE_GETLINE=
  55 HAVE_GETSUBOPT=
  56 HAVE_ISBLANK=
  57 HAVE_MKDTEMP=
  58 HAVE_NANOSLEEP=
  59 HAVE_OHASH=
  60 HAVE_PLEDGE=
  61 HAVE_PROGNAME=
  62 HAVE_REALLOCARRAY=
  63 HAVE_REWB_BSD=
  64 HAVE_REWB_SYSV=
  65 HAVE_SANDBOX_INIT=
  66 HAVE_STRCASESTR=
  67 HAVE_STRINGLIST=
  68 HAVE_STRLCAT=
  69 HAVE_STRLCPY=
  70 HAVE_STRPTIME=
  71 HAVE_STRSEP=
  72 HAVE_STRTONUM=
  73 HAVE_VASPRINTF=
  74 HAVE_WCHAR=
  75
  76 PREFIX="/usr/local"
  77 BINDIR=
  78 SBINDIR=
  79 INCLUDEDIR=
  80 LIBDIR=
  81 MANDIR=
  82 HOMEBREWDIR=
  83
  84 WWWPREFIX="/var/www"
  85 HTDOCDIR=
  86 CGIBINDIR=
  87
  88 BINM_APROPOS="apropos"
  89 BINM_MAKEWHATIS="makewhatis"
  90 BINM_MAN="man"
  91 BINM_SOELIM="soelim"
  92 BINM_WHATIS="whatis"
  93 MANM_MAN="man"
  94 MANM_MANCONF="man.conf"
  95 MANM_MDOC="mdoc"
  96 MANM_ROFF="roff"
  97 MANM_EQN="eqn"
  98 MANM_TBL="tbl"
  99
 100 INSTALL="install"
 101 INSTALL_PROGRAM=
 102 INSTALL_LIB=
 103 INSTALL_MAN=
 104 INSTALL_DATA=
 105
 106 # --- manual settings from configure.local -----------------------------
 107
 108 if [ -r ./configure.local ]; then
 109         echo "configure.local: reading..." 1>&2
 110         echo "configure.local: reading..." 1>&3
 111         cat ./configure.local 1>&3
 112         . ./configure.local
 113 else
 114         echo "configure.local: no (fully automatic configuration)" 1>&2
 115         echo "configure.local: no (fully automatic configuration)" 1>&3
 116 fi
 117 echo 1>&3
 118
 119 # --- tests for config.h  ----------------------------------------------
 120
 121 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 122
 123 # Check whether this HAVE_ setting is manually overridden.
 124 # If yes, use the override, if no, do not decide anything yet.
 125 # Arguments: lower-case test name, manual value
 126 ismanual() {
 127         [ -z "${2}" ] && return 1
 128         echo "${1}: manual (${2})" 1>&2
 129         echo "${1}: manual (${2})" 1>&3
 130         echo 1>&3
 131         return 0
 132 }
 133
 134 # Run a single autoconfiguration test.
 135 # In case of success, enable the feature.
 136 # In case of failure, do not decide anything yet.
 137 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 138 singletest() {
 139         cat 1>&3 << __HEREDOC__
 140 ${1}: testing...
 141 ${COMP} ${3} -o test-${1} test-${1}.c
 142 __HEREDOC__
 143
 144         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 145                 echo "${1}: ${CC} succeeded" 1>&3
 146         else
 147                 echo "${1}: ${CC} failed with $?" 1>&3
 148                 echo 1>&3
 149                 return 1
 150         fi
 151
 152         if ./test-${1} 1>&3 2>&3; then
 153                 echo "${1}: yes" 1>&2
 154                 echo "${1}: yes" 1>&3
 155                 echo 1>&3
 156                 eval HAVE_${2}=1
 157                 rm "test-${1}"
 158                 return 0
 159         else
 160                 echo "${1}: execution failed with $?" 1>&3
 161                 echo 1>&3
 162                 rm "test-${1}"
 163                 return 1
 164         fi
 165 }
 166
 167 # Run a complete autoconfiguration test, including the check for
 168 # a manual override and disabling the feature on failure.
 169 # Arguments: lower case name, upper case name, additional CFLAGS
 170 runtest() {
 171         eval _manual=\${HAVE_${2}}
 172         ismanual "${1}" "${_manual}" && return 0
 173         singletest "${1}" "${2}" "${3}" && return 0
 174         echo "${1}: no" 1>&2
 175         eval HAVE_${2}=0
 176         return 1
 177 }
 178
 179 # --- library functions ---
 180 runtest dirent-namlen   DIRENT_NAMLEN   || true
 181 runtest EFTYPE          EFTYPE          || true
 182 runtest err             ERR             || true
 183 runtest fts             FTS             || true
 184 runtest getline         GETLINE         || true
 185 runtest getsubopt       GETSUBOPT       || true
 186 runtest isblank         ISBLANK         || true
 187 runtest mkdtemp         MKDTEMP         || true
 188 runtest pledge          PLEDGE          || true
 189 runtest sandbox_init    SANDBOX_INIT    || true
 190 runtest progname        PROGNAME        || true
 191 runtest reallocarray    REALLOCARRAY    || true
 192 runtest rewb-bsd        REWB_BSD        || true
 193 runtest rewb-sysv       REWB_SYSV       || true
 194 runtest strcasestr      STRCASESTR      || true
 195 runtest stringlist      STRINGLIST      || true
 196 runtest strlcat         STRLCAT         || true
 197 runtest strlcpy         STRLCPY         || true
 198 runtest strptime        STRPTIME        || true
 199 runtest strsep          STRSEP          || true
 200 runtest strtonum        STRTONUM        || true
 201 runtest vasprintf       VASPRINTF       || true
 202 runtest wchar           WCHAR           || true
 203
 204 # --- nanosleep ---
 205 if [ -n "${LD_NANOSLEEP}" ]; then
 206         runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
 207 elif singletest nanosleep NANOSLEEP; then
 208         :
 209 elif runtest nanosleep NANOSLEEP "-lrt"; then
 210         LD_NANOSLEEP="-lrt"
 211 fi
 212 if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
 213         echo "FATAL: nanosleep: no" 1>&2
 214         echo "FATAL: nanosleep: no" 1>&3
 215         exit 1
 216 fi
 217
 218 # --- ohash ---
 219 if ismanual ohash "${HAVE_OHASH}"; then
 220         :
 221 elif [ -n "${LD_OHASH}" ]; then
 222         runtest ohash OHASH "${LD_OHASH}" || true
 223 elif singletest ohash OHASH; then
 224         :
 225 elif runtest ohash OHASH "-lutil"; then
 226         LD_OHASH="-lutil"
 227 fi
 228 if [ "${HAVE_OHASH}" -eq 0 ]; then
 229         LD_OHASH=
 230 fi
 231
 232 # --- LDADD ---
 233 LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 234 echo "LDADD=\"${LDADD}\"" 1>&2
 235 echo "LDADD=\"${LDADD}\"" 1>&3
 236 echo 1>&3
 237
 238 # --- write config.h ---
 239
 240 exec > config.h
 241
 242 cat << __HEREDOC__
 243 #ifdef __cplusplus
 244 #error "Do not use C++.  See the INSTALL file."
 245 #endif
 246
 247 #if !defined(__GNUC__) || (__GNUC__ < 4)
 248 #define __attribute__(x)
 249 #endif
 250
 251 #if defined(__linux__) || defined(__MINT__)
 252 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 253 #endif
 254
 255 __HEREDOC__
 256
 257 [ ${HAVE_GETLINE} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 258   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 259         && echo "#include <sys/types.h>"
 260 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 261 [ ${HAVE_GETLINE} -eq 0 ] && echo "#include <stdio.h>"
 262
 263 echo
 264 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 265 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 266 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 267 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 268 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"
 269
 270 cat << __HEREDOC__
 271 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 272 #define HAVE_ERR ${HAVE_ERR}
 273 #define HAVE_FTS ${HAVE_FTS}
 274 #define HAVE_GETLINE ${HAVE_GETLINE}
 275 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 276 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 277 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 278 #define HAVE_PLEDGE ${HAVE_PLEDGE}
 279 #define HAVE_PROGNAME ${HAVE_PROGNAME}
 280 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 281 #define HAVE_REWB_BSD ${HAVE_REWB_BSD}
 282 #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV}
 283 #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT}
 284 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 285 #define HAVE_STRINGLIST ${HAVE_STRINGLIST}
 286 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 287 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 288 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 289 #define HAVE_STRSEP ${HAVE_STRSEP}
 290 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 291 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 292 #define HAVE_WCHAR ${HAVE_WCHAR}
 293 #define HAVE_OHASH ${HAVE_OHASH}
 294
 295 #define BINM_APROPOS "${BINM_APROPOS}"
 296 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 297 #define BINM_MAN "${BINM_MAN}"
 298 #define BINM_SOELIM "${BINM_SOELIM}"
 299 #define BINM_WHATIS "${BINM_WHATIS}"
 300
 301 __HEREDOC__
 302
 303 if [ ${HAVE_ERR} -eq 0 ]; then
 304         echo "extern    void      err(int, const char *, ...);"
 305         echo "extern    void      errx(int, const char *, ...);"
 306         echo "extern    void      warn(const char *, ...);"
 307         echo "extern    void      warnx(const char *, ...);"
 308 fi
 309
 310 [ ${HAVE_GETLINE} -eq 0 ] && \
 311         echo "extern    ssize_t   getline(char **, size_t *, FILE *);"
 312
 313 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 314         echo "extern    int       getsubopt(char **, char * const *, char **);"
 315
 316 [ ${HAVE_ISBLANK} -eq 0 ] && \
 317         echo "extern    int       isblank(int);"
 318
 319 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 320         echo "extern    char     *mkdtemp(char *);"
 321
 322 if [ ${HAVE_PROGNAME} -eq 0 ]; then
 323         echo "extern    const char *getprogname(void);"
 324         echo "extern    void      setprogname(const char *);"
 325 fi
 326
 327 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 328         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 329
 330 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 331         echo "extern    char     *strcasestr(const char *, const char *);"
 332
 333 [ ${HAVE_STRLCAT} -eq 0 ] && \
 334         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 335
 336 [ ${HAVE_STRLCPY} -eq 0 ] && \
 337         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 338
 339 [ ${HAVE_STRSEP} -eq 0 ] && \
 340         echo "extern    char     *strsep(char **, const char *);"
 341
 342 [ ${HAVE_STRTONUM} -eq 0 ] && \
 343         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 344
 345 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 346         echo "extern    int       vasprintf(char **, const char *, va_list);"
 347
 348 echo "config.h: written" 1>&2
 349 echo "config.h: written" 1>&3
 350
 351 # --- tests for Makefile.local -----------------------------------------
 352
 353 exec > Makefile.local
 354
 355 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 356 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 357 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 358 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 359 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 360
 361 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 362 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 363
 364 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 365 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 366 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 367 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 368
 369 BUILD_TARGETS=
 370 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="cgi-build"
 371 INSTALL_TARGETS=
 372 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="cgi-install"
 373
 374 cat << __HEREDOC__
 375 BUILD_TARGETS   = ${BUILD_TARGETS}
 376 INSTALL_TARGETS = ${INSTALL_TARGETS}
 377 CC              = ${CC}
 378 CFLAGS          = ${CFLAGS}
 379 LDADD           = ${LDADD}
 380 LDFLAGS         = ${LDFLAGS}
 381 STATIC          = ${STATIC}
 382 PREFIX          = ${PREFIX}
 383 BINDIR          = ${BINDIR}
 384 SBINDIR         = ${SBINDIR}
 385 INCLUDEDIR      = ${INCLUDEDIR}
 386 LIBDIR          = ${LIBDIR}
 387 MANDIR          = ${MANDIR}
 388 WWWPREFIX       = ${WWWPREFIX}
 389 HTDOCDIR        = ${HTDOCDIR}
 390 CGIBINDIR       = ${CGIBINDIR}
 391 BINM_APROPOS    = ${BINM_APROPOS}
 392 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 393 BINM_MAN        = ${BINM_MAN}
 394 BINM_SOELIM     = ${BINM_SOELIM}
 395 BINM_WHATIS     = ${BINM_WHATIS}
 396 MANM_MAN        = ${MANM_MAN}
 397 MANM_MANCONF    = ${MANM_MANCONF}
 398 MANM_MDOC       = ${MANM_MDOC}
 399 MANM_ROFF       = ${MANM_ROFF}
 400 MANM_EQN        = ${MANM_EQN}
 401 MANM_TBL        = ${MANM_TBL}
 402 INSTALL         = ${INSTALL}
 403 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 404 INSTALL_LIB     = ${INSTALL_LIB}
 405 INSTALL_MAN     = ${INSTALL_MAN}
 406 INSTALL_DATA    = ${INSTALL_DATA}
 407 __HEREDOC__
 408
 409 echo "Makefile.local: written" 1>&2
 410 echo "Makefile.local: written" 1>&3
 411
 412 exit 0