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 OSNAME=
  35
  36 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make -f -`
  37 CFLAGS="-g -W -Wall -Wstrict-prototypes -Wno-unused-parameter -Wwrite-strings"
  38 DBLIB=
  39 STATIC="-static"
  40
  41 BUILD_DB=1
  42 BUILD_CGI=0
  43
  44 HAVE_DIRENT_NAMLEN=
  45 HAVE_FGETLN=
  46 HAVE_FTS=
  47 HAVE_GETSUBOPT=
  48 HAVE_MMAP=
  49 HAVE_REALLOCARRAY=
  50 HAVE_STRCASESTR=
  51 HAVE_STRLCAT=
  52 HAVE_STRLCPY=
  53 HAVE_STRPTIME=
  54 HAVE_STRSEP=
  55 HAVE_STRTONUM=
  56 HAVE_WCHAR=
  57
  58 HAVE_SQLITE3=
  59 HAVE_SQLITE3_ERRSTR=
  60 HAVE_OHASH=
  61 HAVE_MANPATH=
  62
  63 PREFIX="/usr/local"
  64 BINDIR=
  65 SBINDIR=
  66 INCLUDEDIR=
  67 LIBDIR=
  68 MANDIR=
  69 EXAMPLEDIR=
  70 HOMEBREWDIR=
  71
  72 WWWPREFIX="/var/www"
  73 HTDOCDIR=
  74 CGIBINDIR=
  75
  76 BINM_APROPOS="apropos"
  77 BINM_MAN="man"
  78 BINM_WHATIS="whatis"
  79 BINM_MAKEWHATIS="makewhatis"
  80 MANM_MAN="man"
  81 MANM_MDOC="mdoc"
  82 MANM_ROFF="roff"
  83 MANM_EQN="eqn"
  84 MANM_TBL="tbl"
  85
  86 INSTALL="install"
  87 INSTALL_PROGRAM=
  88 INSTALL_LIB=
  89 INSTALL_MAN=
  90 INSTALL_DATA=
  91
  92 # --- manual settings from configure.local -----------------------------
  93
  94 if [ -e ./configure.local ]; then
  95         echo "configure.local: reading..." 1>&2
  96         echo "configure.local: reading..." 1>&3
  97         cat ./configure.local 1>&3
  98         . ./configure.local
  99 else
 100         echo "configure.local: no (fully automatic configuration)" 1>&2
 101         echo "configure.local: no (fully automatic configuration)" 1>&3
 102 fi
 103 echo 1>&3
 104
 105 # --- tests for config.h  ----------------------------------------------
 106
 107 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 108
 109 # Check whether this HAVE_ setting is manually overridden.
 110 # If yes, use the override, if no, do not decide anything yet.
 111 # Arguments: lower-case test name, manual value
 112 ismanual() {
 113         [ -z "${2}" ] && return 1
 114         echo "${1}: manual (${2})" 1>&2
 115         echo "${1}: manual (${2})" 1>&3
 116         echo 1>&3
 117         return 0
 118 }
 119
 120 # Run a single autoconfiguration test.
 121 # In case of success, enable the feature.
 122 # In case of failure, do not decide anything yet.
 123 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 124 singletest() {
 125         cat 1>&3 << __HEREDOC__
 126 ${1}: testing...
 127 ${COMP} ${3} -o test-${1} test-${1}.c
 128 __HEREDOC__
 129
 130         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 131                 echo "${1}: ${CC} succeeded" 1>&3
 132         else
 133                 echo "${1}: ${CC} failed with $?" 1>&3
 134                 echo 1>&3
 135                 return 1
 136         fi
 137
 138         if ./test-${1} 1>&3 2>&3; then
 139                 echo "${1}: yes" 1>&2
 140                 echo "${1}: yes" 1>&3
 141                 echo 1>&3
 142                 eval HAVE_${2}=1
 143                 rm "test-${1}"
 144                 return 0
 145         else
 146                 echo "${1}: execution failed with $?" 1>&3
 147                 echo 1>&3
 148                 rm "test-${1}"
 149                 return 1
 150         fi
 151 }
 152
 153 # Run a complete autoconfiguration test, including the check for
 154 # a manual override and disabling the feature on failure.
 155 # Arguments: lower case name, upper case name, additional CFLAGS
 156 runtest() {
 157         eval _manual=\${HAVE_${2}}
 158         ismanual "${1}" "${_manual}" && return 0
 159         singletest "${1}" "${2}" "${3}" && return 0
 160         echo "${1}: no" 1>&2
 161         eval HAVE_${2}=0
 162         return 1
 163 }
 164
 165 # --- library functions ---
 166 runtest dirent-namlen   DIRENT_NAMLEN   || true
 167 runtest fgetln          FGETLN          || true
 168 runtest fts             FTS             || true
 169 runtest getsubopt       GETSUBOPT       || true
 170 runtest mmap            MMAP            || true
 171 runtest reallocarray    REALLOCARRAY    || true
 172 runtest strcasestr      STRCASESTR      || true
 173 runtest strlcat         STRLCAT         || true
 174 runtest strlcpy         STRLCPY         || true
 175 runtest strptime        STRPTIME        || true
 176 runtest strsep          STRSEP          || true
 177 runtest strtonum        STRTONUM        || true
 178 runtest wchar           WCHAR           || true
 179
 180 # --- sqlite3 ---
 181 DETECTLIB=
 182 if [ ${BUILD_DB} -eq 0 ]; then
 183         echo "BUILD_DB=0 (manual)" 1>&2
 184         echo "BUILD_DB=0 (manual)" 1>&3
 185         echo 1>&3
 186         HAVE_SQLITE3=0
 187 elif ismanual sqlite3 "${HAVE_SQLITE3}"; then
 188         DETECTLIB="-lsqlite3"
 189 elif [ -n "${DBLIB}" ]; then
 190         runtest sqlite3 SQLITE3 "${DBLIB}" || true
 191 elif singletest sqlite3 SQLITE3 "-lsqlite3"; then
 192         DETECTLIB="-lsqlite3"
 193 elif runtest sqlite3 SQLITE3 \
 194                 "-I/usr/local/include -L/usr/local/lib -lsqlite3"; then
 195         DETECTLIB="-L/usr/local/lib -lsqlite3"
 196         CFLAGS="${CFLAGS} -I/usr/local/include"
 197 fi
 198 if [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3} -eq 0 ]; then
 199         echo "BUILD_DB=0 (no sqlite3)" 1>&2
 200         echo "BUILD_DB=0 (no sqlite3)" 1>&3
 201         echo 1>&3
 202         BUILD_DB=0
 203 fi
 204
 205 # --- sqlite3_errstr ---
 206 if [ ${BUILD_DB} -eq 0 ]; then
 207         HAVE_SQLITE3_ERRSTR=1
 208 elif ismanual sqlite3_errstr "${HAVE_SQLITE3_ERRSTR}"; then
 209         :
 210 elif [ -n "${DBLIB}" ]; then
 211         runtest sqlite3_errstr SQLITE3_ERRSTR "${DBLIB}" || true
 212 else
 213         runtest sqlite3_errstr SQLITE3_ERRSTR "${DETECTLIB}" || true
 214 fi
 215
 216 # --- ohash ---
 217 if [ ${BUILD_DB} -eq 0 ]; then
 218         HAVE_OHASH=1
 219 elif ismanual ohash "${HAVE_OHASH}"; then
 220         :
 221 elif [ -n "${DBLIB}" ]; then
 222         runtest ohash OHASH "${DBLIB}" || true
 223 elif singletest ohash OHASH; then
 224         :
 225 elif runtest ohash OHASH "-lutil"; then
 226         DETECTLIB="${DETECTLIB} -lutil"
 227 fi
 228
 229 # --- DBLIB ---
 230 if [ ${BUILD_DB} -eq 0 ]; then
 231         DBLIB=
 232 elif [ -z "${DBLIB}" ]; then
 233         DBLIB="${DETECTLIB}"
 234         echo "DBLIB=\"${DBLIB}\"" 1>&2
 235         echo "DBLIB=\"${DBLIB}\"" 1>&3
 236         echo 1>&3
 237 fi
 238
 239 # --- manpath ---
 240 if ismanual manpath "${HAVE_MANPATH}"; then
 241         :
 242 elif manpath 1>&3 2>&3; then
 243         echo "manpath: yes" 1>&2
 244         echo "manpath: yes" 1>&3
 245         echo 1>&3
 246         HAVE_MANPATH=1
 247 else
 248         echo "manpath: no" 1>&2
 249         echo "manpath: no" 1>&3
 250         echo 1>&3
 251         HAVE_MANPATH=0
 252 fi
 253
 254 # --- write config.h ---
 255
 256 exec > config.h
 257
 258 cat << __HEREDOC__
 259 #ifndef MANDOC_CONFIG_H
 260 #define MANDOC_CONFIG_H
 261
 262 #if defined(__linux__) || defined(__MINT__)
 263 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 264 #endif
 265
 266 __HEREDOC__
 267
 268 [ ${HAVE_FGETLN} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 269   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 270         && echo "#include <sys/types.h>"
 271 [ ${HAVE_FGETLN} -eq 0 ] && echo "#include <stdio.h>"
 272
 273 echo
 274 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 275 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 276
 277 cat << __HEREDOC__
 278 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 279 #define HAVE_FGETLN ${HAVE_FGETLN}
 280 #define HAVE_FTS ${HAVE_FTS}
 281 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 282 #define HAVE_MMAP ${HAVE_MMAP}
 283 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 284 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 285 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 286 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 287 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 288 #define HAVE_STRSEP ${HAVE_STRSEP}
 289 #define HAVE_STRTONUM ${HAVE_STRTONUM}
 290 #define HAVE_WCHAR ${HAVE_WCHAR}
 291 #define HAVE_SQLITE3 ${HAVE_SQLITE3}
 292 #define HAVE_SQLITE3_ERRSTR ${HAVE_SQLITE3_ERRSTR}
 293 #define HAVE_OHASH ${HAVE_OHASH}
 294 #define HAVE_MANPATH ${HAVE_MANPATH}
 295
 296 #define BINM_APROPOS "${BINM_APROPOS}"
 297 #define BINM_MAN "${BINM_MAN}"
 298 #define BINM_WHATIS "${BINM_WHATIS}"
 299 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 300
 301 #if !defined(__BEGIN_DECLS)
 302 #  ifdef __cplusplus
 303 #  define       __BEGIN_DECLS           extern "C" {
 304 #  else
 305 #  define       __BEGIN_DECLS
 306 #  endif
 307 #endif
 308 #if !defined(__END_DECLS)
 309 #  ifdef __cplusplus
 310 #  define       __END_DECLS             }
 311 #  else
 312 #  define       __END_DECLS
 313 #  endif
 314 #endif
 315
 316 __HEREDOC__
 317
 318 [ ${HAVE_FGETLN} -eq 0 ] && \
 319         echo "extern    char     *fgetln(FILE *, size_t *);"
 320
 321 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 322         echo "extern    int       getsubopt(char **, char * const *, char **);"
 323
 324 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 325         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 326
 327 [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3_ERRSTR} -eq 0 ] &&
 328         echo "extern    const char *sqlite3_errstr(int);"
 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 [ ${HAVE_STRTONUM} -eq 0 ] && \
 343         echo "extern    long long strtonum(const char *, long long, long long, const char **);"
 344
 345 echo
 346 echo "#endif /* MANDOC_CONFIG_H */"
 347
 348 echo "config.h: written" 1>&2
 349 echo "config.h: written" 1>&3
 350
 351 # --- tests for Makefile.local -----------------------------------------
 352
 353 exec > Makefile.local
 354
 355 [ -z "${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="${PREFIX}/man"
 360 [ -z "${EXAMPLEDIR}" ] && EXAMPLEDIR="${PREFIX}/share/examples/mandoc"
 361
 362 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 363 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 364
 365 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 366 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 367 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 368 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 369
 370 if [ ${BUILD_DB} -eq 0 -a ${BUILD_CGI} -gt 0 ]; then
 371         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&2
 372         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&3
 373         BUILD_CGI=0
 374 fi
 375
 376 BUILD_TARGETS="base-build"
 377 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="${BUILD_TARGETS} cgi-build"
 378 INSTALL_TARGETS="base-install"
 379 [ ${BUILD_DB}  -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} db-install"
 380 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install"
 381
 382 cat << __HEREDOC__
 383 BUILD_TARGETS   = ${BUILD_TARGETS}
 384 INSTALL_TARGETS = ${INSTALL_TARGETS}
 385 CC              = ${CC}
 386 CFLAGS          = ${CFLAGS}
 387 DBLIB           = ${DBLIB}
 388 STATIC          = ${STATIC}
 389 PREFIX          = ${PREFIX}
 390 BINDIR          = ${BINDIR}
 391 SBINDIR         = ${SBINDIR}
 392 INCLUDEDIR      = ${INCLUDEDIR}
 393 LIBDIR          = ${LIBDIR}
 394 MANDIR          = ${MANDIR}
 395 EXAMPLEDIR      = ${EXAMPLEDIR}
 396 WWWPREFIX       = ${WWWPREFIX}
 397 HTDOCDIR        = ${HTDOCDIR}
 398 CGIBINDIR       = ${CGIBINDIR}
 399 BINM_APROPOS    = ${BINM_APROPOS}
 400 BINM_MAN        = ${BINM_MAN}
 401 BINM_WHATIS     = ${BINM_WHATIS}
 402 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 403 MANM_MAN        = ${MANM_MAN}
 404 MANM_MDOC       = ${MANM_MDOC}
 405 MANM_ROFF       = ${MANM_ROFF}
 406 MANM_EQN        = ${MANM_EQN}
 407 MANM_TBL        = ${MANM_TBL}
 408 INSTALL         = ${INSTALL}
 409 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 410 INSTALL_LIB     = ${INSTALL_LIB}
 411 INSTALL_MAN     = ${INSTALL_MAN}
 412 INSTALL_DATA    = ${INSTALL_DATA}
 413 __HEREDOC__
 414
 415 [ ${BUILD_DB} -gt 0 ] && \
 416         echo "MAIN_OBJS = \$(BASE_OBJS) \$(DB_OBJS)"
 417
 418 echo "Makefile.local: written" 1>&2
 419 echo "Makefile.local: written" 1>&3
 420
 421 exit 0