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 VERSION="1.13.2"
  35 echo "VERSION=\"${VERSION}\"" 1>&2
  36 echo "VERSION=\"${VERSION}\"" 1>&3
  37
  38 OSNAME=
  39
  40 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make -f -`
  41 CFLAGS="-g -W -Wall -Wstrict-prototypes -Wno-unused-parameter -Wwrite-strings"
  42 DBLIB=
  43 STATIC="-static"
  44
  45 BUILD_DB=1
  46 BUILD_CGI=0
  47
  48 HAVE_DIRENT_NAMLEN=
  49 HAVE_FGETLN=
  50 HAVE_FTS=
  51 HAVE_GETSUBOPT=
  52 HAVE_MMAP=
  53 HAVE_REALLOCARRAY=
  54 HAVE_STRCASESTR=
  55 HAVE_STRLCAT=
  56 HAVE_STRLCPY=
  57 HAVE_STRPTIME=
  58 HAVE_STRSEP=
  59 HAVE_WCHAR=
  60
  61 HAVE_SQLITE3=
  62 HAVE_SQLITE3_ERRSTR=
  63 HAVE_OHASH=
  64 HAVE_MANPATH=
  65
  66 PREFIX="/usr/local"
  67 BINDIR=
  68 SBINDIR=
  69 INCLUDEDIR=
  70 LIBDIR=
  71 MANDIR=
  72 EXAMPLEDIR=
  73 HOMEBREWDIR=
  74
  75 WWWPREFIX="/var/www"
  76 HTDOCDIR=
  77 CGIBINDIR=
  78
  79 BINM_APROPOS="apropos"
  80 BINM_MAN="man"
  81 BINM_WHATIS="whatis"
  82 BINM_MAKEWHATIS="makewhatis"
  83 MANM_MAN="man"
  84 MANM_MDOC="mdoc"
  85 MANM_ROFF="roff"
  86 MANM_EQN="eqn"
  87 MANM_TBL="tbl"
  88
  89 INSTALL="install"
  90 INSTALL_PROGRAM=
  91 INSTALL_LIB=
  92 INSTALL_MAN=
  93 INSTALL_DATA=
  94
  95 # --- manual settings from configure.local -----------------------------
  96
  97 if [ -e ./configure.local ]; then
  98         echo "configure.local: reading..." 1>&2
  99         echo "configure.local: reading..." 1>&3
 100         cat ./configure.local 1>&3
 101         . ./configure.local
 102 else
 103         echo "configure.local: no (fully automatic configuration)" 1>&2
 104         echo "configure.local: no (fully automatic configuration)" 1>&3
 105 fi
 106 echo 1>&3
 107
 108 # --- tests for config.h  ----------------------------------------------
 109
 110 COMP="${CC} ${CFLAGS} -Wno-unused -Werror"
 111
 112 # Check whether this HAVE_ setting is manually overridden.
 113 # If yes, use the override, if no, do not decide anything yet.
 114 # Arguments: lower-case test name, manual value
 115 ismanual() {
 116         [ -z "${2}" ] && return 1
 117         echo "${1}: manual (${2})" 1>&2
 118         echo "${1}: manual (${2})" 1>&3
 119         echo 1>&3
 120         return 0
 121 }
 122
 123 # Run a single autoconfiguration test.
 124 # In case of success, enable the feature.
 125 # In case of failure, do not decide anything yet.
 126 # Arguments: lower-case test name, upper-case test name, additional CFLAGS
 127 singletest() {
 128         cat 1>&3 << __HEREDOC__
 129 ${1}: testing...
 130 ${COMP} ${3} -o test-${1} test-${1}.c
 131 __HEREDOC__
 132
 133         if ${COMP} ${3} -o "test-${1}" "test-${1}.c" 1>&3 2>&3; then
 134                 echo "${1}: ${CC} succeeded" 1>&3
 135         else
 136                 echo "${1}: ${CC} failed with $?" 1>&3
 137                 echo 1>&3
 138                 return 1
 139         fi
 140
 141         if ./test-${1} 1>&3 2>&3; then
 142                 echo "${1}: yes" 1>&2
 143                 echo "${1}: yes" 1>&3
 144                 echo 1>&3
 145                 eval HAVE_${2}=1
 146                 rm "test-${1}"
 147                 return 0
 148         else
 149                 echo "${1}: execution failed with $?" 1>&3
 150                 echo 1>&3
 151                 rm "test-${1}"
 152                 return 1
 153         fi
 154 }
 155
 156 # Run a complete autoconfiguration test, including the check for
 157 # a manual override and disabling the feature on failure.
 158 # Arguments: lower case name, upper case name, additional CFLAGS
 159 runtest() {
 160         eval _manual=\${HAVE_${2}}
 161         ismanual "${1}" "${_manual}" && return 0
 162         singletest "${1}" "${2}" "${3}" && return 0
 163         echo "${1}: no" 1>&2
 164         eval HAVE_${2}=0
 165         return 1
 166 }
 167
 168 # --- library functions ---
 169 runtest dirent-namlen   DIRENT_NAMLEN   || true
 170 runtest fgetln          FGETLN          || true
 171 runtest fts             FTS             || true
 172 runtest getsubopt       GETSUBOPT       || true
 173 runtest mmap            MMAP            || true
 174 runtest reallocarray    REALLOCARRAY    || true
 175 runtest strcasestr      STRCASESTR      || true
 176 runtest strlcat         STRLCAT         || true
 177 runtest strlcpy         STRLCPY         || true
 178 runtest strptime        STRPTIME        || true
 179 runtest strsep          STRSEP          || true
 180 runtest wchar           WCHAR           || true
 181
 182 # --- sqlite3 ---
 183 DETECTLIB=
 184 if [ ${BUILD_DB} -eq 0 ]; then
 185         echo "BUILD_DB=0 (manual)" 1>&2
 186         echo "BUILD_DB=0 (manual)" 1>&3
 187         echo 1>&3
 188         HAVE_SQLITE3=0
 189 elif ismanual sqlite3 "${HAVE_SQLITE3}"; then
 190         DETECTLIB="-lsqlite3"
 191 elif [ -n "${DBLIB}" ]; then
 192         runtest sqlite3 SQLITE3 "${DBLIB}" || true
 193 elif singletest sqlite3 SQLITE3 "-lsqlite3"; then
 194         DETECTLIB="-lsqlite3"
 195 elif runtest sqlite3 SQLITE3 \
 196                 "-I/usr/local/include -L/usr/local/lib -lsqlite3"; then
 197         DETECTLIB="-L/usr/local/lib -lsqlite3"
 198         CFLAGS="${CFLAGS} -I/usr/local/include"
 199 fi
 200 if [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3} -eq 0 ]; then
 201         echo "BUILD_DB=0 (no sqlite3)" 1>&2
 202         echo "BUILD_DB=0 (no sqlite3)" 1>&3
 203         echo 1>&3
 204         BUILD_DB=0
 205 fi
 206
 207 # --- sqlite3_errstr ---
 208 if [ ${BUILD_DB} -eq 0 ]; then
 209         HAVE_SQLITE3_ERRSTR=1
 210 elif ismanual sqlite3_errstr "${HAVE_SQLITE3_ERRSTR}"; then
 211         :
 212 elif [ -n "${DBLIB}" ]; then
 213         runtest sqlite3_errstr SQLITE3_ERRSTR "${DBLIB}" || true
 214 else
 215         runtest sqlite3_errstr SQLITE3_ERRSTR "${DETECTLIB}" || true
 216 fi
 217
 218 # --- ohash ---
 219 if [ ${BUILD_DB} -eq 0 ]; then
 220         HAVE_OHASH=1
 221 elif ismanual ohash "${HAVE_OHASH}"; then
 222         :
 223 elif [ -n "${DBLIB}" ]; then
 224         runtest ohash OHASH "${DBLIB}" || true
 225 elif singletest ohash OHASH; then
 226         :
 227 elif runtest ohash OHASH "-lutil"; then
 228         DETECTLIB="${DETECTLIB} -lutil"
 229 fi
 230
 231 # --- DBLIB ---
 232 if [ ${BUILD_DB} -eq 0 ]; then
 233         DBLIB=
 234 elif [ -z "${DBLIB}" ]; then
 235         DBLIB="${DETECTLIB}"
 236         echo "DBLIB=\"${DBLIB}\"" 1>&2
 237         echo "DBLIB=\"${DBLIB}\"" 1>&3
 238         echo 1>&3
 239 fi
 240
 241 # --- manpath ---
 242 if [ ${BUILD_DB} -eq 0 ]; then
 243         HAVE_MANPATH=0
 244 elif ismanual manpath "${HAVE_MANPATH}"; then
 245         :
 246 elif manpath 1>&3 2>&3; then
 247         echo "manpath: yes" 1>&2
 248         echo "manpath: yes" 1>&3
 249         echo 1>&3
 250         HAVE_MANPATH=1
 251 else
 252         echo "manpath: no" 1>&2
 253         echo "manpath: no" 1>&3
 254         echo 1>&3
 255         HAVE_MANPATH=0
 256 fi
 257
 258 # --- write config.h ---
 259
 260 exec > config.h
 261
 262 cat << __HEREDOC__
 263 #ifndef MANDOC_CONFIG_H
 264 #define MANDOC_CONFIG_H
 265
 266 #if defined(__linux__) || defined(__MINT__)
 267 #define _GNU_SOURCE     /* See test-*.c what needs this. */
 268 #endif
 269
 270 __HEREDOC__
 271
 272 [ ${HAVE_FGETLN} -eq 0 -o ${HAVE_REALLOCARRAY} -eq 0 -o \
 273   ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 ] \
 274         && echo "#include <sys/types.h>"
 275 [ ${HAVE_FGETLN} -eq 0 ] && echo "#include <stdio.h>"
 276
 277 echo
 278 echo "#define VERSION \"${VERSION}\""
 279 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
 280 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 281
 282 cat << __HEREDOC__
 283 #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN}
 284 #define HAVE_FGETLN ${HAVE_FGETLN}
 285 #define HAVE_FTS ${HAVE_FTS}
 286 #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT}
 287 #define HAVE_MMAP ${HAVE_MMAP}
 288 #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
 289 #define HAVE_STRCASESTR ${HAVE_STRCASESTR}
 290 #define HAVE_STRLCAT ${HAVE_STRLCAT}
 291 #define HAVE_STRLCPY ${HAVE_STRLCPY}
 292 #define HAVE_STRPTIME ${HAVE_STRPTIME}
 293 #define HAVE_STRSEP ${HAVE_STRSEP}
 294 #define HAVE_WCHAR ${HAVE_WCHAR}
 295 #define HAVE_SQLITE3 ${HAVE_SQLITE3}
 296 #define HAVE_SQLITE3_ERRSTR ${HAVE_SQLITE3_ERRSTR}
 297 #define HAVE_OHASH ${HAVE_OHASH}
 298 #define HAVE_MANPATH ${HAVE_MANPATH}
 299
 300 #define BINM_APROPOS "${BINM_APROPOS}"
 301 #define BINM_MAN "${BINM_MAN}"
 302 #define BINM_WHATIS "${BINM_WHATIS}"
 303 #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}"
 304
 305 #if !defined(__BEGIN_DECLS)
 306 #  ifdef __cplusplus
 307 #  define       __BEGIN_DECLS           extern "C" {
 308 #  else
 309 #  define       __BEGIN_DECLS
 310 #  endif
 311 #endif
 312 #if !defined(__END_DECLS)
 313 #  ifdef __cplusplus
 314 #  define       __END_DECLS             }
 315 #  else
 316 #  define       __END_DECLS
 317 #  endif
 318 #endif
 319
 320 __HEREDOC__
 321
 322 [ ${HAVE_FGETLN} -eq 0 ] && \
 323         echo "extern    char     *fgetln(FILE *, size_t *);"
 324
 325 [ ${HAVE_GETSUBOPT} -eq 0 ] && \
 326         echo "extern    int       getsubopt(char **, char * const *, char **);"
 327
 328 [ ${HAVE_REALLOCARRAY} -eq 0 ] && \
 329         echo "extern    void     *reallocarray(void *, size_t, size_t);"
 330
 331 [ ${BUILD_DB} -gt 0 -a ${HAVE_SQLITE3_ERRSTR} -eq 0 ] &&
 332         echo "extern    const char *sqlite3_errstr(int);"
 333
 334 [ ${HAVE_STRCASESTR} -eq 0 ] && \
 335         echo "extern    char     *strcasestr(const char *, const char *);"
 336
 337 [ ${HAVE_STRLCAT} -eq 0 ] && \
 338         echo "extern    size_t    strlcat(char *, const char *, size_t);"
 339
 340 [ ${HAVE_STRLCPY} -eq 0 ] && \
 341         echo "extern    size_t    strlcpy(char *, const char *, size_t);"
 342
 343 [ ${HAVE_STRSEP} -eq 0 ] && \
 344         echo "extern    char     *strsep(char **, const char *);"
 345
 346 echo
 347 echo "#endif /* MANDOC_CONFIG_H */"
 348
 349 echo "config.h: written" 1>&2
 350 echo "config.h: written" 1>&3
 351
 352 # --- tests for Makefile.local -----------------------------------------
 353
 354 exec > Makefile.local
 355
 356 [ -z "${BINDIR}"     ] && BINDIR="${PREFIX}/bin"
 357 [ -z "${SBINDIR}"    ] && SBINDIR="${PREFIX}/sbin"
 358 [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc"
 359 [ -z "${LIBDIR}"     ] && LIBDIR="${PREFIX}/lib/mandoc"
 360 [ -z "${MANDIR}"     ] && MANDIR="${PREFIX}/man"
 361 [ -z "${EXAMPLEDIR}" ] && EXAMPLEDIR="${PREFIX}/share/examples/mandoc"
 362
 363 [ -z "${HTDOCDIR}"   ] && HTDOCDIR="${WWWPREFIX}/htdocs"
 364 [ -z "${CGIBINDIR}"  ] && CGIBINDIR="${WWWPREFIX}/cgi-bin"
 365
 366 [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
 367 [ -z "${INSTALL_LIB}"     ] && INSTALL_LIB="${INSTALL} -m 0444"
 368 [ -z "${INSTALL_MAN}"     ] && INSTALL_MAN="${INSTALL} -m 0444"
 369 [ -z "${INSTALL_DATA}"    ] && INSTALL_DATA="${INSTALL} -m 0444"
 370
 371 if [ ${BUILD_DB} -eq 0 -a ${BUILD_CGI} -gt 0 ]; then
 372         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&2
 373         echo "BUILD_CGI=0 (no BUILD_DB)" 1>&3
 374         BUILD_CGI=0
 375 fi
 376
 377 BUILD_TARGETS="base-build"
 378 [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="${BUILD_TARGETS} cgi-build"
 379 INSTALL_TARGETS="base-install"
 380 [ ${BUILD_DB}  -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} db-install"
 381 [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install"
 382
 383 cat << __HEREDOC__
 384 VERSION         = ${VERSION}
 385 BUILD_TARGETS   = ${BUILD_TARGETS}
 386 INSTALL_TARGETS = ${INSTALL_TARGETS}
 387 CFLAGS          = ${CFLAGS}
 388 DBLIB           = ${DBLIB}
 389 STATIC          = ${STATIC}
 390 PREFIX          = ${PREFIX}
 391 BINDIR          = ${BINDIR}
 392 SBINDIR         = ${SBINDIR}
 393 INCLUDEDIR      = ${INCLUDEDIR}
 394 LIBDIR          = ${LIBDIR}
 395 MANDIR          = ${MANDIR}
 396 EXAMPLEDIR      = ${EXAMPLEDIR}
 397 WWWPREFIX       = ${WWWPREFIX}
 398 HTDOCDIR        = ${HTDOCDIR}
 399 CGIBINDIR       = ${CGIBINDIR}
 400 BINM_APROPOS    = ${BINM_APROPOS}
 401 BINM_MAN        = ${BINM_MAN}
 402 BINM_WHATIS     = ${BINM_WHATIS}
 403 BINM_MAKEWHATIS = ${BINM_MAKEWHATIS}
 404 MANM_MAN        = ${MANM_MAN}
 405 MANM_MDOC       = ${MANM_MDOC}
 406 MANM_ROFF       = ${MANM_ROFF}
 407 MANM_EQN        = ${MANM_EQN}
 408 MANM_TBL        = ${MANM_TBL}
 409 INSTALL         = ${INSTALL}
 410 INSTALL_PROGRAM = ${INSTALL_PROGRAM}
 411 INSTALL_LIB     = ${INSTALL_LIB}
 412 INSTALL_MAN     = ${INSTALL_MAN}
 413 INSTALL_DATA    = ${INSTALL_DATA}
 414 __HEREDOC__
 415
 416 [ ${BUILD_DB} -gt 0 ] && \
 417         echo "MAIN_OBJS = \$(BASE_OBJS) \$(DB_OBJS)"
 418
 419 echo "Makefile.local: written" 1>&2
 420 echo "Makefile.local: written" 1>&3
 421
 422 exit 0