configure

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2014, 2015 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 [ -e config.log ] && mv config.log config.log.old
  20 [ -e 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" | make -f -`
  38 CFLAGS="-g -W -Wall -Wstrict-prototypes -Wno-unused-parameter -Wwrite-strings"
  39 DBLIB=
  40 STATIC="-static"
  41
  42 BUILD_DB=1
  43 BUILD_CGI=0
  44
  45 HAVE_DIRENT_NAMLEN=
  46 HAVE_FGETLN=
  47 HAVE_FTS=
  48 HAVE_GETSUBOPT=
  49 HAVE_ISBLANK=
  50 HAVE_MKDTEMP=
  51 HAVE_MMAP=
  52 HAVE_REALLOCARRAY=
  53 HAVE_STRCASESTR=
  54 HAVE_STRLCAT=
  55 HAVE_STRLCPY=
  56 HAVE_STRPTIME=
  57 HAVE_STRSEP=
  58 HAVE_STRTONUM=
  59 HAVE_VASPRINTF=
  60 HAVE_WCHAR=
  61
  62 HAVE_SQLITE3=
  63 HAVE_SQLITE3_ERRSTR=
  64 HAVE_OHASH=
  65 HAVE_MANPATH=
  66
  67 PREFIX="/usr/local"
  68 BINDIR=
  69 SBINDIR=
  70 INCLUDEDIR=
  71 LIBDIR=
  72 MANDIR=
  73 EXAMPLEDIR=
  74 HOMEBREWDIR=
  75
  76 WWWPREFIX="/var/www"
  77 HTDOCDIR=
  78 CGIBINDIR=
  79
  80 BINM_APROPOS="apropos"
  81 BINM_MAN="man"
  82 BINM_WHATIS="whatis"
  83 BINM_MAKEWHATIS="makewhatis"
  84 MANM_MAN="man"
  85 MANM_MANCONF="man.conf"
  86 MANM_MDOC="mdoc"
  87 MANM_ROFF="roff"
  88 MANM_EQN="eqn"
  89 MANM_TBL="tbl"
  90
  91 INSTALL="install"
  92 INSTALL_PROGRAM=
  93 INSTALL_LIB=
  94 INSTALL_MAN=
  95 INSTALL_DATA=
  96
  97 # --- manual settings from configure.local -----------------------------
  98
  99 if [ -e ./configure.local ]; then
 100         echo "configure.local: reading..." 1>&2
 101         echo "configure.local: reading..." 1>&3
 102         cat ./configure.local 1>&3
 103         . ./configure.local
 104 else
 105         echo "configure.local: no (fully automatic configuration)" 1>&2
 106         echo "configure.local: no (fully automatic configuration)" 1>&3
 107 fi
 108 echo 1>&3
 109
 110 # --- tests for config.h  ----------------------------------------------
 111
 112 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 113
 114 # Check whether this HAVE_ setting is manually overridden.
 115 # If yes, use the override, if no, do not decide anything yet.
 116 # Arguments: lower-case test name, manual value
 117 ismanual() {
 118         [ -z "${2}" ] && return 1
 119         echo "${1}: manual (${2})" 1>&2
 120         echo "${1}: manual (${2})" 1>&3
 121         echo 1>&3
 122         return 0
 123 }
 124
 125 # Run a single autoconfiguration test.
 126 # In case of success, enable the feature.
 127 # In case of failure, do not decide anything yet.
 128 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 129 singletest() {
 130         cat 1>&3 << __HEREDOC__
 131 ${1}: testing...
 132 ${COMP} ${3} -o test-${1} test-${1}.c
 133 __HEREDOC__
 134
 135         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 136                 echo "${1}: ${CC} succeeded" 1>&3
 137         else
 138                 echo "${1}: ${CC} failed with $?" 1>&3
 139                 echo 1>&3
 140                 return 1
 141         fi
 142
 143         if ./test-${1} 1>&3 2>&3; then
 144                 echo "${1}: yes" 1>&2
 145                 echo "${1}: yes" 1>&3
 146                 echo 1>&3
 147                 eval HAVE_${2}=1
 148                 rm "test-${1}"
 149                 return 0
 150         else
 151                 echo "${1}: execution failed with $?" 1>&3
 152                 echo 1>&3
 153                 rm "test-${1}"
 154                 return 1
 155         fi
 156 }
 157
 158 # Run a complete autoconfiguration test, including the check for
 159 # a manual override and disabling the feature on failure.
 160 # Arguments: lower case name, upper case name, additional CFLAGS
 161 runtest() {
 162         eval _manual=\${HAVE_${2}}
 163         ismanual "${1}" "${_manual}" && return 0
 164         singletest "${1}" "${2}" "${3}" && return 0
 165         echo "${1}: no" 1>&2
 166         eval HAVE_${2}=0
 167         return 1
 168 }
 169
 170 # --- library functions ---
 171 runtest dirent-namlen   DIRENT_NAMLEN   || true
 172 runtest fgetln          FGETLN          || true
 173 runtest fts             FTS             || true
 174 runtest getsubopt       GETSUBOPT       || true
 175 runtest isblank         ISBLANK         || true
 176 runtest mkdtemp         MKDTEMP         || true
 177 runtest mmap            MMAP            || true
 178 runtest reallocarray    REALLOCARRAY    || true
 179 runtest strcasestr      STRCASESTR      || true
 180 runtest strlcat         STRLCAT         || true
 181 runtest strlcpy         STRLCPY         || true
 182 runtest strptime        STRPTIME        || true
 183 runtest strsep          STRSEP          || true
 184 runtest strtonum        STRTONUM        || true
 185 runtest vasprintf       VASPRINTF       || true
 186 runtest wchar           WCHAR           || true
 187
 188 # --- sqlite3 ---
 189 DETECTLIB=
 190 if [ ${BUILD_DB} -eq 0 ]; then
 191         echo "BUILD_DB=0 (manual)" 1>&2
 192         echo "BUILD_DB=0 (manual)" 1>&3
 193         echo 1>&3
 194         HAVE_SQLITE3=0
 195 elif ismanual sqlite3 "${HAVE_SQLITE3}"; then
 196         DETECTLIB="-lsqlite3"
 197 elif [ -n "${DBLIB}" ]; then
 198         runtest sqlite3 SQLITE3 "${DBLIB}" || true
 199 elif singletest sqlite3 SQLITE3 "-lsqlite3"; then
 200         DETECTLIB="-lsqlite3"
 201 elif runtest sqlite3 SQLITE3 \
 202                 "-I/usr/local/include -L/usr/local/lib -lsqlite3"; then
 203         DETECTLIB="-L/usr/local/lib -lsqlite3"
 204         CFLAGS="${CFLAGS} -I/usr/local/include"
 205 fi
 206 if [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3} -eq 0 ]; then
 207         echo "BUILD_DB=0 (no sqlite3)" 1>&2
 208         echo "BUILD_DB=0 (no sqlite3)" 1>&3
 209         echo 1>&3
 210         BUILD_DB=0
 211 fi
 212
 213 # --- sqlite3_errstr ---
 214 if [ ${BUILD_DB} -eq 0 ]; then
 215         HAVE_SQLITE3_ERRSTR=1
 216 elif ismanual sqlite3_errstr "${HAVE_SQLITE3_ERRSTR}"; then
 217         :
 218 elif [ -n "${DBLIB}" ]; then
 219         runtest sqlite3_errstr SQLITE3_ERRSTR "${DBLIB}" || true
 220 else
 221         runtest sqlite3_errstr SQLITE3_ERRSTR "${DETECTLIB}" || true
 222 fi
 223
 224 # --- ohash ---
 225 if [ ${BUILD_DB} -eq 0 ]; then
 226         HAVE_OHASH=1
 227 elif ismanual ohash "${HAVE_OHASH}"; then
 228         :
 229 elif [ -n "${DBLIB}" ]; then
 230         runtest ohash OHASH "${DBLIB}" || true
 231 elif singletest ohash OHASH; then
 232         :
 233 elif runtest ohash OHASH "-lutil"; then
 234         DETECTLIB="${DETECTLIB} -lutil"
 235 fi
 236
 237 # --- DBLIB ---
 238 if [ ${BUILD_DB} -eq 0 ]; then
 239         DBLIB=
 240 elif [ -z "${DBLIB}" ]; then
 241         DBLIB="${DETECTLIB}"
 242         echo "DBLIB=\"${DBLIB}\"" 1>&2
 243         echo "DBLIB=\"${DBLIB}\"" 1>&3
 244         echo 1>&3
 245 fi
 246
 247 # --- manpath ---
 248 if ismanual manpath "${HAVE_MANPATH}"; then
 249         :
 250 elif manpath 1>&3 2>&3; then
 251         echo "manpath: yes" 1>&2
 252         echo "manpath: yes" 1>&3
 253         echo 1>&3
 254         HAVE_MANPATH=1
 255 else
 256         echo "manpath: no" 1>&2
 257         echo "manpath: no" 1>&3
 258         echo 1>&3
 259         HAVE_MANPATH=0
 260 fi
 261
 262 # --- write config.h ---
 263
 264 exec > config.h
 265
 266 cat << __HEREDOC__
 267 #ifndef MANDOC_CONFIG_H
 268 #define MANDOC_CONFIG_H
 269
 270 #if defined(__linux__) || defined(__MINT__)
 271 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 272 #endif
 273
 274 __HEREDOC__
 275
 276 [ ${HAVE_FGETLN} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 277   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 278         && echo "#include <sys/types.h>"
 279 [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include <stdarg.h>"
 280 [ ${HAVE_FGETLN} -eq 0 ] && echo "#include <stdio.h>"
 281
 282 echo
 283 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 284 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 285 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 286 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 287
 288 cat << __HEREDOC__
 289 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 290 #define HAVE_FGETLN ${HAVE_FGETLN}
 291 #define HAVE_FTS ${HAVE_FTS}
 292 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 293 #define HAVE_ISBLANK ${HAVE_ISBLANK}
 294 #define HAVE_MKDTEMP ${HAVE_MKDTEMP}
 295 #define HAVE_MMAP ${HAVE_MMAP}
 296 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 297 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 298 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 299 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 300 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 301 #define HAVE_STRSEP ${HAVE_STRSEP}
 302 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 303 #define HAVE_VASPRINTF ${HAVE_VASPRINTF}
 304 #define HAVE_WCHAR ${HAVE_WCHAR}
 305 #define HAVE_SQLITE3 ${HAVE_SQLITE3}
 306 #define HAVE_SQLITE3_ERRSTR ${HAVE_SQLITE3_ERRSTR}
 307 #define HAVE_OHASH ${HAVE_OHASH}
 308 #define HAVE_MANPATH ${HAVE_MANPATH}
 309
 310 #define BINM_APROPOS "${BINM_APROPOS}"
 311 #define BINM_MAN "${BINM_MAN}"
 312 #define BINM_WHATIS "${BINM_WHATIS}"
 313 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 314
 315 #if !defined(__BEGIN_DECLS)
 316 #  ifdef __cplusplus
 317 #  define       __BEGIN_DECLS           extern "C" {
 318 #  else
 319 #  define       __BEGIN_DECLS
 320 #  endif
 321 #endif
 322 #if !defined(__END_DECLS)
 323 #  ifdef __cplusplus
 324 #  define       __END_DECLS             }
 325 #  else
 326 #  define       __END_DECLS
 327 #  endif
 328 #endif
 329
 330 __HEREDOC__
 331
 332 [ ${HAVE_FGETLN} -eq 0 ] && \
 333         echo "extern    char     *fgetln(FILE *, size_t *);"
 334
 335 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 336         echo "extern    int       getsubopt(char **, char * const *, char **);"
 337
 338 [ ${HAVE_ISBLANK} -eq 0 ] && \
 339         echo "extern    int       isblank(int);"
 340
 341 [ ${HAVE_MKDTEMP} -eq 0 ] && \
 342         echo "extern    char     *mkdtemp(char *);"
 343
 344 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 345         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 346
 347 [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3_ERRSTR} -eq 0 ] &&
 348         echo "extern    const char *sqlite3_errstr(int);"
 349
 350 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 351         echo "extern    char     *strcasestr(const char *, const char *);"
 352
 353 [ ${HAVE_STRLCAT} -eq 0 ] && \
 354         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 355
 356 [ ${HAVE_STRLCPY} -eq 0 ] && \
 357         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 358
 359 [ ${HAVE_STRSEP} -eq 0 ] && \
 360         echo "extern    char     *strsep(char **, const char *);"
 361
 362 [ ${HAVE_STRTONUM} -eq 0 ] && \
 363         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 364
 365 [ ${HAVE_VASPRINTF} -eq 0 ] && \
 366         echo "extern    int       vasprintf(char **, const char *, va_list);"
 367
 368 echo
 369 echo "#endif /* MANDOC_CONFIG_H */"
 370
 371 echo "config.h: written" 1>&2
 372 echo "config.h: written" 1>&3
 373
 374 # --- tests for Makefile.local -----------------------------------------
 375
 376 exec > Makefile.local
 377
 378 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 379 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 380 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 381 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 382 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 383 [ -z "${EXAMPLEDIR}" ] && EXAMPLEDIR="${PREFIX}/share/examples/mandoc"
 384
 385 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 386 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 387
 388 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 389 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 390 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 391 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 392
 393 if [ ${BUILD_DB} -eq 0 -a ${BUILD_CGI} -gt 0 ]; then
 394         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&2
 395         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&3
 396         BUILD_CGI=0
 397 fi
 398
 399 BUILD_TARGETS="base-build"
 400 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="${BUILD_TARGETS} cgi-build"
 401 INSTALL_TARGETS="base-install"
 402 [ ${BUILD_DB}  -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} db-install"
 403 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install"
 404
 405 cat << __HEREDOC__
 406 BUILD_TARGETS   = ${BUILD_TARGETS}
 407 INSTALL_TARGETS = ${INSTALL_TARGETS}
 408 CC              = ${CC}
 409 CFLAGS          = ${CFLAGS}
 410 DBLIB           = ${DBLIB}
 411 STATIC          = ${STATIC}
 412 PREFIX          = ${PREFIX}
 413 BINDIR          = ${BINDIR}
 414 SBINDIR         = ${SBINDIR}
 415 INCLUDEDIR      = ${INCLUDEDIR}
 416 LIBDIR          = ${LIBDIR}
 417 MANDIR          = ${MANDIR}
 418 EXAMPLEDIR      = ${EXAMPLEDIR}
 419 WWWPREFIX       = ${WWWPREFIX}
 420 HTDOCDIR        = ${HTDOCDIR}
 421 CGIBINDIR       = ${CGIBINDIR}
 422 BINM_APROPOS    = ${BINM_APROPOS}
 423 BINM_MAN        = ${BINM_MAN}
 424 BINM_WHATIS     = ${BINM_WHATIS}
 425 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 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 [ ${BUILD_DB} -gt 0 ] && \
 440         echo "MAIN_OBJS = \$(BASE_OBJS) \$(DB_OBJS)"
 441
 442 echo "Makefile.local: written" 1>&2
 443 echo "Makefile.local: written" 1>&3
 444
 445 exit 0