configure

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