configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl
   3 dnl This is the SysDB configure script.
   4 dnl
   5 dnl Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
   6 dnl All rights reserved.
   7 dnl
   8 dnl Redistribution and use in source and binary forms, with or without
   9 dnl modification, are permitted provided that the following conditions
  10 dnl are met:
  11 dnl 1. Redistributions of source code must retain the above copyright
  12 dnl    notice, this list of conditions and the following disclaimer.
  13 dnl 2. Redistributions in binary form must reproduce the above copyright
  14 dnl    notice, this list of conditions and the following disclaimer in the
  15 dnl    documentation and/or other materials provided with the distribution.
  16 dnl
  17 dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18 dnl ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19 dnl TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20 dnl PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  21 dnl CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22 dnl EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23 dnl PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  24 dnl OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  25 dnl WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26 dnl OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  27 dnl ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 AC_INIT([System DataBase],[m4_esyscmd(./version-gen.sh)],
  30                 [sysdb@sysdb.io],
  31                 [sysdb],
  32                 [https://sysdb.io/])
  33 PACKAGE_MAINTAINER="Sebastian 'tokkee' Harl <tokkee@sysdb.io>"
  34 AC_DEFINE_UNQUOTED([PACKAGE_MAINTAINER], ["$PACKAGE_MAINTAINER"],
  35                 [Define to the name of the maintainer of this package.])
  36 if test "x$PACKAGE_URL" = "x"; then
  37         PACKAGE_URL="https://sysdb.io/"
  38         AC_DEFINE_UNQUOTED([PACKAGE_URL], ["$PACKAGE_URL"],
  39                         [Define to the home page for this package.])
  40 fi
  41
  42 AC_CONFIG_SRCDIR([src/sysdb.c])
  43 AC_CONFIG_HEADERS([src/config.h])
  44 AC_PREFIX_DEFAULT([/opt/sysdb])
  45
  46 AM_INIT_AUTOMAKE([foreign subdir-objects -Wall])
  47
  48 AC_LANG(C)
  49
  50 AC_SYS_LARGEFILE
  51
  52 AC_PROG_CC
  53 AC_PROG_CXX
  54 AC_PROG_CPP
  55 AC_PROG_INSTALL
  56 AC_PROG_LN_S
  57 AC_PROG_MAKE_SET
  58 m4_ifdef([AM_PROG_AR],[AM_PROG_AR],[])
  59
  60 AM_PROG_CC_C_O
  61 AM_PROG_LEX
  62 AC_PROG_YACC
  63
  64 m4_ifdef([LT_INIT],
  65         [
  66          LT_CONFIG_LTDL_DIR([libltdl])
  67          LT_INIT([dlopen])
  68          LTDL_INIT([convenience])
  69         ],
  70         # else
  71         # (older libtools)
  72         [
  73          AC_CONFIG_SUBDIRS(libltdl)
  74          AC_LIBLTDL_CONVENIENCE
  75          AC_SUBST(LTDLINCL)
  76          AC_SUBST(LIBLTDL)
  77          AC_LIBTOOL_DLOPEN
  78         ]
  79 )
  80
  81 test_cc_flags() {
  82         AC_LANG_CONFTEST([int main(void){}])
  83         $CC -c conftest.c $CFLAGS $STRICT_CFLAGS $@ > /dev/null 2> /dev/null
  84         ret=$?
  85         rm -f conftest.o
  86         return $ret
  87 }
  88
  89 test_cxx_flags() {
  90         AC_LANG_PUSH(C++)
  91         AC_LANG_CONFTEST([int main(void){}])
  92         $CXX -c conftest.c $CXXFLAGS $STRICT_CXXFLAGS $@ > /dev/null 2> /dev/null
  93         ret=$?
  94         rm -f conftest.o
  95         AC_LANG_POP(C++)
  96         return $ret
  97 }
  98
  99 STRICT_CFLAGS=""
 100 STRICT_CXXFLAGS=""
 101
 102 m4_divert_once([HELP_ENABLE], [
 103 Build options:])
 104
 105 dnl Optionally stick to standard C99 and POSIX:2001 as close as possible.
 106 AC_ARG_ENABLE([standards],
 107                 AS_HELP_STRING([--enable-standards],
 108                                 [C99 / POSIX standards compliance mode @<:@default=no@:>@]),
 109                 [enable_standards="$enableval"],
 110                 [enable_standards="no"])
 111
 112 if test "x$enable_standards" = "xyes"; then
 113         AC_DEFINE([_ISOC99_SOURCE], 1,
 114                         [Define to enforce ISO/IEC 9899:1999 (C99) compliance.])
 115         AC_DEFINE([_POSIX_C_SOURCE], 200112L,
 116                         [Define to enforce IEEE 1003.1-2001 (POSIX:2001) compliance.])
 117         AC_DEFINE([_XOPEN_SOURCE], 700,
 118                         [Define to enforce X/Open 7 (XSI) compliance.])
 119         AC_DEFINE([_REENTRANT], 1,
 120                         [Define to enable reentrant interfaces.])
 121         AC_DEFINE([_THREAD_SAFE], 1,
 122                         [Define to enable reentrant interfaces.])
 123
 124         dnl GNU libc defines strcasecmp() only when using _BSD_SOURCE even though
 125         dnl the function is conforming to POSIX.1-2001 as well. Let's weaken
 126         dnl strict standards compliance a bit to work around this.
 127         AC_DEFINE([_BSD_SOURCE], 1, [Define to enable 4.3BSD support.])
 128
 129         for flag in -std=c99; do
 130                 AC_MSG_CHECKING([whether $CC accepts $flag])
 131
 132                 if test_cc_flags $flag; then
 133                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 134                         AC_MSG_RESULT([yes])
 135                 else
 136                         AC_MSG_RESULT([no])
 137                 fi
 138         done
 139 fi
 140
 141 dnl We need C++11 for facter.
 142 AC_MSG_CHECKING([whether $CXX accepts -std=c++11])
 143 if test_cxx_flags -std=c++11; then
 144         CXXFLAGS="$CXXFLAGS -std=c++11"
 145         AC_MSG_RESULT([yes])
 146 else
 147         # Oh well, the header check will determine if it works anyway.
 148         AC_MSG_RESULT([no])
 149 fi
 150
 151 dnl Hardening (see e.g. http://wiki.debian.org/Hardening for a motivation).
 152 AC_DEFINE([_FORTIFY_SOURCE], 2,
 153                 [Define to enable protection against static sized buffer overflows.])
 154 AC_ARG_ENABLE([hardening],
 155                 AS_HELP_STRING([--disable-hardening],
 156                                 [hardening options @<:@default=yes@:>@]),
 157                 [enable_hardening="$enableval"],
 158                 [enable_hardening="yes"])
 159
 160 if test "x$enable_hardening" = "xyes"; then
 161         hardening_cc=0
 162         hardening_cxx=0
 163         hardening_tests=0
 164         for flag in -Wformat -Wformat-security; do
 165                 hardening_tests=$(($hardening_tests + 1))
 166
 167                 AC_MSG_CHECKING([whether $CC accepts $flag])
 168                 if test_cc_flags $flag; then
 169                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 170                         hardening_cc=$(($hardening_cc + 1))
 171                         AC_MSG_RESULT([yes])
 172                 else
 173                         AC_MSG_RESULT([no])
 174                 fi
 175
 176                 AC_MSG_CHECKING([whether $CXX accepts $flag])
 177                 if test_cxx_flags $flag; then
 178                         STRICT_CXXFLAGS="$STRICT_CXXFLAGS $flag"
 179                         hardening_cxx=$(($hardening_cxx + 1))
 180                         AC_MSG_RESULT([yes])
 181                 else
 182                         AC_MSG_RESULT([no])
 183                 fi
 184         done
 185         if test $hardening_cc -ne $hardening_tests; then
 186                 AC_MSG_WARN(
 187                                 [Some hardening options are not supported by your C compiler!])
 188         fi
 189         if test $hardening_cxx -ne $hardening_tests; then
 190                 AC_MSG_WARN(
 191                                 [Some hardening options are not supported by your C++ compiler!])
 192         fi
 193 fi
 194
 195 dnl Strict checking for potential problems.
 196 AC_ARG_ENABLE([strict-checks],
 197                 AS_HELP_STRING([--disable-strict-checks],
 198                                 [strict compiler checks @<:@default=yes@:>@]),
 199                 [enable_strict_checks="$enableval"],
 200                 [enable_strict_checks="yes"])
 201
 202 for flag in -Wall -Werror; do
 203         AC_MSG_CHECKING([whether $CC accepts $flag])
 204         if test_cc_flags $flag; then
 205                 STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 206                 AC_MSG_RESULT([yes])
 207         else
 208                 AC_MSG_RESULT([no])
 209         fi
 210
 211         AC_MSG_CHECKING([whether $CXX accepts $flag])
 212         if test_cxx_flags $flag; then
 213                 STRICT_CXXFLAGS="$STRICT_CXXFLAGS $flag"
 214                 AC_MSG_RESULT([yes])
 215         else
 216                 AC_MSG_RESULT([no])
 217         fi
 218 done
 219
 220 if test "x$enable_strict_checks" = "xyes"; then
 221         dnl -Wsign-conversion may cause problems in expanded macros from libc
 222         for flag in -Wextra \
 223                         -Wbad-function-cast \
 224                         -Wcast-align \
 225                         -Wcast-qual \
 226                         -Wconversion \
 227                         -Wno-sign-conversion \
 228                         -Wdeclaration-after-statement \
 229                         -Wmissing-prototypes \
 230                         -Wpointer-arith \
 231                         -Wshadow \
 232                         -Wstrict-prototypes; do
 233                 AC_MSG_CHECKING([whether $CC accepts $flag])
 234                 if test_cc_flags $flag; then
 235                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 236                         AC_MSG_RESULT([yes])
 237                 else
 238                         AC_MSG_RESULT([no])
 239                 fi
 240
 241                 dnl -Wshadow produces unnecessary warnings/errors in case a
 242                 dnl C function name "shadows" a struct constructor.
 243                 if test "x$flag" != "x-Wshadow"; then
 244                         AC_MSG_CHECKING([whether $CXX accepts $flag])
 245                         if test_cxx_flags $flag; then
 246                                 STRICT_CXXFLAGS="$STRICT_CXXFLAGS $flag"
 247                                 AC_MSG_RESULT([yes])
 248                         else
 249                                 AC_MSG_RESULT([no])
 250                         fi
 251                 fi
 252         done
 253 fi
 254 AC_SUBST([STRICT_CFLAGS])
 255 AC_SUBST([STRICT_CXXFLAGS])
 256
 257 AC_ARG_ENABLE([gcov],
 258                 AS_HELP_STRING([--enable-gcov],
 259                                 [Gcov coverage statistics @<:@default=no@:>@]),
 260                 [enable_gcov="$enableval"],
 261                 [enable_gcov="no"])
 262
 263 dnl $GCC is based on some heuristics which might apply to clang as well.
 264 dnl However, clang does not support gcov.
 265 cc_is_gcc="no"
 266 case "x$CC" in
 267         xgcc)
 268                 cc_is_gcc="yes"
 269                 ;;
 270         xgcc-*)
 271                 cc_is_gcc="yes"
 272                 ;;
 273 esac
 274
 275 COVERAGE_CFLAGS=""
 276 COVERAGE_LDFLAGS=""
 277 if test "x$enable_gcov" = "xyes" && test "x$GCC$cc_is_gcc" == "xyesyes"; then
 278         COVERAGE_CFLAGS="-O0"
 279         cov_flag_have_problem="no"
 280
 281         AC_MSG_CHECKING([whether $CC accepts --coverage])
 282         if test_cc_flags --coverage; then
 283                 COVERAGE_CFLAGS="$COVERAGE_CFLAGS --coverage"
 284                 COVERAGE_LDFLAGS="$COVERAGE_LDFLAGS --coverage"
 285                 AC_MSG_RESULT([yes])
 286         else
 287                 AC_MSG_RESULT([no])
 288                 cov_flag_have_problem="yes"
 289         fi
 290
 291         for flag in -fno-inline; do
 292                 AC_MSG_CHECKING([whether $CC accepts $flag])
 293                 if test_cc_flags $flag; then
 294                         COVERAGE_CFLAGS="$COVERAGE_CFLAGS $flag"
 295                         AC_MSG_RESULT([yes])
 296                 else
 297                         AC_MSG_RESULT([no])
 298                         cov_flag_have_problem="yes"
 299                 fi
 300         done
 301
 302         if test "x$cov_flag_have_problem" != "xno"; then
 303                 AC_MSG_WARN([Some coverage flags are not supported by your compiler!])
 304         fi
 305 else if test "x$enable_gcov" = "xyes"; then
 306         AC_MSG_WARN([Your compiler ($CC) is not known to support Gcov!])
 307         enable_gcov="no (requires GCC)"
 308 fi; fi
 309 AC_SUBST([COVERAGE_CFLAGS])
 310 AC_SUBST([COVERAGE_LDFLAGS])
 311
 312 AC_ARG_ENABLE([gprof],
 313                 AS_HELP_STRING([--enable-gprof],
 314                                 [Gprof profiling @<:@default=no@:>@]),
 315                 [enable_gprof="$enableval"],
 316                 [enable_gprof="no"])
 317
 318 PROFILING_CFLAGS=""
 319 PROFILING_LDFLAGS=""
 320 if test "x$enable_gprof" = "xyes"; then
 321         PROFILING_CFLAGS="-O0"
 322         profiling_flag_have_problem="no"
 323
 324         AC_MSG_CHECKING([whether $CC accepts -pg])
 325         if test_cc_flags -pg; then
 326                 PROFILING_CFLAGS="$PROFILING_CFLAGS -pg"
 327                 PROFILING_LDFLAGS="$PROFILING_LDFLAGS -pg"
 328                 AC_MSG_RESULT([yes])
 329         else
 330                 AC_MSG_RESULT([no])
 331                 profiling_flag_have_problem="yes"
 332         fi
 333
 334         for flag in -fprofile-arcs; do
 335                 AC_MSG_CHECKING([whether $CC accepts $flag])
 336                 if test_cc_flags $flag; then
 337                         PROFILING_CFLAGS="$PROFILING_CFLAGS $flag"
 338                         AC_MSG_RESULT([yes])
 339                 fi
 340                 # else: this is not a serious problem
 341         done
 342
 343         if test "x$profiling_flag_have_problem" != "xno"; then
 344                 AC_MSG_WARN([Some profiling flags are not supported by your compiler!])
 345         fi
 346 fi
 347 AC_SUBST([PROFILING_CFLAGS])
 348 AC_SUBST([PROFILING_LDFLAGS])
 349
 350 ieee754_layout="unknown"
 351 AC_MSG_CHECKING([the memory layout of double precision values])
 352 AC_COMPILE_IFELSE(
 353                 [AC_LANG_PROGRAM(
 354                         [[
 355 #include <string.h>
 356 #include <inttypes.h>
 357                         ]],
 358                         [[
 359 double d = 3.141592653e130;
 360 char c[8];
 361 if (sizeof(d) != 8)
 362         return 2;
 363 memcpy(&c, &d, 8);
 364 if (c[0] == '\x04' && c[1] == '\x10' && c[2] == '\x1E' && c[3] == '\x66' &&
 365         c[4] == '\x40' && c[5] == '\xA9' && c[6] == '\x06' && c[7] == '\x5B')
 366         return 0;
 367 else
 368         return 1;
 369                         ]]
 370                 )],
 371                 [ieee754_layout="little-endian"], [ieee754_layout="unknown"])
 372 if test "x$ieee754_layout" = "xunknown"; then
 373         AC_COMPILE_IFELSE(
 374                         [AC_LANG_PROGRAM(
 375                                 [[
 376 #include <string.h>
 377 #include <inttypes.h>
 378                                 ]],
 379                                 [[
 380 double d = 3.141592653e130;
 381 char c[8];
 382 if (sizeof(d) != 8)
 383         return 2;
 384 memcpy(&c, &d, 8);
 385 if (c[7] == '\x04' && c[6] == '\x10' && c[5] == '\x1E' && c[4] == '\x66' &&
 386         c[3] == '\x40' && c[2] == '\xA9' && c[1] == '\x06' && c[0] == '\x5B')
 387         return 0;
 388 else
 389         return 1;
 390                                 ]]
 391                         )],
 392                         [ieee754_layout="big-endian"], [ieee754_layout="unknown"])
 393 fi
 394 AC_MSG_RESULT([IEEE-754 $ieee754_layout])
 395
 396 AC_DEFINE([IEEE754_DOUBLE_LITTLE_ENDIAN], 1234,
 397                 [Identifier for IEEE-754 little-endian encoding of double precision values])
 398 AC_DEFINE([IEEE754_DOUBLE_BIG_ENDIAN], 4321,
 399                 [Identifier for IEEE-754 big-endian encoding of double precision values])
 400 if test "x$ieee754_layout" = "xlittle-endian"; then
 401         AC_DEFINE([IEEE754_DOUBLE_BYTE_ORDER], 1234,
 402                         [Define to 1 if double precision values use IEEE-754 little-endian encoding])
 403 else if test "x$ieee754_layout" = "xbig-endian"; then
 404         AC_DEFINE([IEEE754_DOUBLE_BYTE_ORDER], 4321,
 405                         [Define to 1 if double precision values use IEEE-754 little-endian encoding])
 406 else
 407         AC_MSG_ERROR([Unknown memory layout of double precision values])
 408 fi; fi
 409
 410 m4_divert_once([HELP_ENABLE], [
 411 Build dependencies:])
 412
 413 AC_CHECK_HEADERS([ucred.h])
 414 dnl On OpenBSD, sys/param.h is required for sys/ucred.h.
 415 AC_CHECK_HEADERS([sys/ucred.h], [], [],
 416                 [[ #include <sys/param.h> ]])
 417
 418 AC_CHECK_TYPES([struct ucred],
 419                 [have_struct_ucred="yes"], [have_struct_ucred="no"],
 420                 [[
 421 #include <sys/socket.h>
 422 #include <sys/param.h>
 423 #if HAVE_UCRED_H
 424 #       include <ucred.h>
 425 #endif
 426                 ]])
 427
 428 if test "x$have_struct_ucred" != "xyes"; then
 429         AC_MSG_CHECKING([for struct ucred when using _GNU_SOURCE])
 430         orig_CFLAGS="$CFLAGS"
 431         CFLAGS="$CFLAGS -D_GNU_SOURCE"
 432         dnl Don't reuse AC_CHECK_HEADERS; for one it'll use the cached value
 433         dnl but also, it will print the "checking for" message a second time.
 434         AC_COMPILE_IFELSE(
 435                         [AC_LANG_PROGRAM(
 436                                 [[
 437 #include <sys/socket.h>
 438 #include <sys/param.h>
 439 #if HAVE_UCRED_H
 440 #       include <ucred.h>
 441 #endif
 442                                 ]],
 443                                 [if (sizeof(struct ucred)) return 0;]
 444                         )],
 445                         [have_struct_ucred="yes"], [have_struct_ucred="no"])
 446         CFLAGS="$orig_CFLAGS"
 447         if test "x$have_struct_ucred" = "xyes"; then
 448                 AC_DEFINE([_GNU_SOURCE], 1, [Define to enable GNU features.])
 449         fi
 450         AC_MSG_RESULT([$have_struct_ucred])
 451 fi
 452
 453 dnl Testing.
 454 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],
 455                 [unit_tests="yes"], [unit_tests="no"])
 456
 457 AC_CHECK_HEADERS(libgen.h)
 458
 459 dnl Check for dependencies.
 460 AC_ARG_WITH([libdbi],
 461                 [AS_HELP_STRING([--with-libdbi], [libdbi support (default: auto)])],
 462                 [with_libdbi="$withval"],
 463                 [with_libdbi="yes"])
 464 if test "x$with_libdbi" = "xyes" || test "x$with_libdbi" = "xauto"; then
 465         AC_CHECK_HEADERS([dbi/dbi.h],
 466                         [with_libdbi="yes"],
 467                         [with_libdbi="no (dbi/dbi.h not found)"])
 468 else if test "x$with_libdbi" = "xno"; then
 469         with_libdbi="$with_libdbi (disabled on command-line)"
 470 else
 471         AC_MSG_ERROR([Invalid value for option --with-libdbi=$with_libdbi (expected "yes", "no", or "auto")])
 472 fi; fi
 473 if test "x$with_libdbi" = "xyes"; then
 474         AC_CHECK_LIB([dbi], [dbi_initialize],
 475                         [with_libdbi="yes"],
 476                         [with_libdbi="no (libdbi or symbol 'dbi_initialize' not found)"])
 477 fi
 478 AM_CONDITIONAL([BUILD_WITH_LIBDBI], test "x$with_libdbi" = "xyes")
 479
 480 dnl Required for mocking FILE related functions.
 481 orig_CFLAGS="$CFLAGS"
 482 CFLAGS="$CFLAGS -D_GNU_SOURCE"
 483 AC_CHECK_FUNCS([fopencookie],
 484                 [have_fopencookie="yes"],
 485                 [have_fopencookie="no (fopencookie not available)"])
 486 CFLAGS="$orig_CFLAGS"
 487 AM_CONDITIONAL([BUILD_WITH_FOPENCOOKIE], test "x$have_fopencookie" = "xyes")
 488 if test "x$have_fopencookie" = "xyes"; then
 489         AC_DEFINE([HAVE_FOPENCOOKIE], 1)
 490 fi
 491
 492 dnl OpenSSL support
 493 PKG_CHECK_MODULES([OPENSSL], [openssl], [have_openssl="yes"], [have_openssl="no"])
 494 if test "x$have_openssl" != "xyes"; then
 495         AC_MSG_ERROR([OpenSSL not found])
 496 fi
 497
 498 dnl readline support
 499 AC_ARG_WITH([readline],
 500                 [AS_HELP_STRING([--with-readline],
 501                         [readline support (libedit/libreadline) (default: auto, prefer libedit)])],
 502                 [readline_support="$withval"],
 503                 [readline_support="auto"])
 504
 505 if test "x$readline_support" = "xyes"; then
 506         readline_support="auto"
 507 else if test "x$readline_support" != "xauto" \
 508                 && test "x$readline_support" != "xno" \
 509                 && test "x$readline_support" != "xlibedit" \
 510                 && test "x$readline_support" != "xlibreadline"; then
 511         AC_MSG_ERROR([Invalid value for option --with-readline=$readline_support (expected "yes", "no", "auto", "libedit", or "libreadline")])
 512 fi; fi
 513
 514 have_libedit="no"
 515 if test "x$readline_support" = "xauto" \
 516                 || test "x$readline_support" = "xlibedit"; then
 517         PKG_CHECK_MODULES([LIBEDIT], [libedit],
 518                         [have_libedit="yes"], [have_libedit="no"])
 519         if test "x$have_libedit" = "xyes"; then
 520                 AC_CHECK_HEADERS([editline/readline.h], [],
 521                                 [AC_CHECK_HEADERS([readline.h], [],
 522                                                 [have_libedit="no (readline header not found"])])
 523         fi
 524         if test "x$have_libedit" = "xyes"; then
 525                 AC_CHECK_HEADERS([editline/history.h], [],
 526                                 [AC_CHECK_HEADERS([history.h], [],
 527                                                 [have_libedit="no (history header not found"])])
 528         fi
 529 else
 530         have_libedit="disabled on command-line"
 531 fi
 532
 533 have_libreadline="no"
 534 if test "x$have_libedit" != "xyes"; then
 535         if test "x$readline_support" = "xauto" \
 536                         || test "x$readline_support" = "xlibreadline"; then
 537                 AC_CHECK_LIB([readline], [readline],
 538                                 [have_libreadline="yes"],
 539                                 [have_libreadline="no (libreadline or symbol 'readline' not found)"])
 540         fi
 541         if test "x$have_libreadline" = "xyes"; then
 542                 AC_CHECK_HEADERS([readline/readline.h], [],
 543                                 [AC_CHECK_HEADERS([readline.h], [],
 544                                                 [have_libreadline="no (readline header not found"])])
 545         fi
 546         if test "x$have_libreadline" = "xyes"; then
 547                 AC_CHECK_HEADERS([readline/history.h], [],
 548                                 [AC_CHECK_HEADERS([history.h], [],
 549                                                 [have_libreadline="no (history header not found"])])
 550         fi
 551 else
 552         have_libreadline="unchecked (prefer libedit)"
 553 fi
 554
 555 if test "x$have_libedit" = "xyes"; then
 556         READLINE_LIBS="$LIBEDIT_LIBS"
 557         READLINE_CFLAGS="$LIBEDIT_CFLAGS"
 558         readline_support="libedit"
 559 else if test "x$have_libreadline" = "xyes"; then
 560         READLINE_LIBS="-lreadline -lhistory"
 561         READLINE_CFLAGS=""
 562         readline_support="libreadline"
 563 else
 564         READLINE_LIBS=""
 565         READLINE_CFLAGS=""
 566         if test "x$readline_support" = "xno"; then
 567                 AC_MSG_WARN([*** readline support disabled; disabling SysDB client])
 568         else if test "x$readline_support" = "xauto"; then
 569                 AC_MSG_WARN([*** readline not found; disabling SysDB client])
 570         else
 571                 AC_MSG_ERROR([readline not found])
 572         fi; fi
 573         readline_support="no"
 574 fi; fi
 575 AC_SUBST([READLINE_LIBS])
 576 AC_SUBST([READLINE_CFLAGS])
 577 AM_CONDITIONAL([BUILD_CLIENT], test "x$readline_support" != "no")
 578
 579 AC_LANG_PUSH(C++)
 580 AC_ARG_WITH([libfacter],
 581                 [AS_HELP_STRING([--with-libfacter], [libfacter support (default: auto)])],
 582                 [with_libfacter="$withval"],
 583                 [with_libfacter="yes"])
 584 if test "x$with_libfacter" = "xyes" || test "x$with_libfacter" = "xauto"; then
 585         AC_CHECK_HEADERS([facter/facts/collection.hpp],
 586                         [have_libfacter="yes"],
 587                         [have_libfacter="no (facter/facts/collection.hpp not found)"])
 588 else if test "x$with_libfacter" = "xno"; then
 589         have_libfacter="$with_libfacter (disabled on command-line)"
 590 else
 591         AC_MSG_ERROR([Invalid value for option --with-libfacter=$with_libfacter (expected "yes", "no", or "auto")])
 592 fi; fi
 593 if test "x$have_libfacter" = "xyes"; then
 594         AC_MSG_CHECKING([for facter::facts::collection in -lfacter])
 595         AC_LINK_IFELSE(
 596                         [AC_LANG_PROGRAM(
 597                                 [[ #include <facter/facts/collection.hpp> ]],
 598                                 [[
 599                                         facter::facts::collection facts;
 600                                         facts.add_default_facts();
 601                                 ]]
 602                         )],
 603                         [TEST_LIBS=$TEST_LIBS -lfacter],
 604                         [have_libfacter="yes"],
 605                         [have_libfacter="no (libfacter not found)"])
 606         AC_MSG_RESULT([$have_libfacter])
 607 fi
 608 AC_LANG_POP(C++)
 609
 610 AC_ARG_WITH([librrd],
 611                 [AS_HELP_STRING([--with-librrd], [librrd support (default: auto)])],
 612                 [with_librrd="$withval"],
 613                 [with_librrd="yes"])
 614 if test "x$with_librrd" = "xyes" || test "x$with_librrd" = "xauto"; then
 615         PKG_CHECK_MODULES([RRD], [librrd],
 616                         [have_librrd="yes"], [have_librrd="no"])
 617 else if test "x$with_librrd" = "xno"; then
 618         have_librrd="$with_librrd (disabled on command-line)"
 619 else
 620         AC_MSG_ERROR([Invalid value for option --with-librrd=$with_librrd (expected "yes", "no", or "auto")])
 621 fi; fi
 622
 623 if test "x$have_librrd" = "xyes"; then
 624         AC_CHECK_HEADERS([rrd_client.h])
 625 fi
 626
 627 dnl Feature checks.
 628 build_documentation="yes"
 629
 630 have_xmlto="yes"
 631 AC_PATH_PROG([XMLTO], [xmlto])
 632 if test "x$XMLTO" = "x"; then
 633         have_xmlto="no"
 634         build_documentation="no (missing xmlto)"
 635 fi
 636 AC_SUBST([XMLTO])
 637
 638 have_asciidoc="yes"
 639 AC_PATH_PROG([ASCIIDOC], [asciidoc])
 640 if test "x$ASCIIDOC" = "x"; then
 641        have_asciidoc="no"
 642        build_documentation="no (missing asciidoc)"
 643 fi
 644 AC_SUBST([ASCIIDOC])
 645
 646 AC_ARG_VAR([ADOCFLAGS], [AsciiDoc flags])
 647
 648 integration_tests="yes"
 649 AC_PATH_PROG([VALGRIND], [valgrind])
 650 if test "x$VALGRIND" = "x"; then
 651         integration_tests="no (missing valgrind)"
 652 fi
 653 AM_CONDITIONAL([INTEGRATION_TESTING], test "x$integration_tests" = "xyes")
 654
 655 dnl Plugin checks.
 656 facter_default=$have_libfacter
 657 if test "x$facter_default" != "xyes"; then
 658         facter_default="no (requires libfacter)"
 659 fi
 660 puppet_storeconfigs_default=$with_libdbi
 661 if test "x$puppet_storeconfigs_default" != "xyes"; then
 662         puppet_storeconfigs_default="no (requires libdbi)"
 663 fi
 664 rrdtool_default=$have_librrd
 665 if test "x$rrdtool_default" != "xyes"; then
 666         rrdtool_default="no (required librrd)"
 667 fi
 668
 669 m4_divert_once([HELP_ENABLE], [
 670 Backends:])
 671
 672 AC_SDB_PLUGIN_INIT
 673 AC_SDB_PLUGIN([collectd-unixsock], [yes],
 674                 [backend accessing the system statistics collection daemon])
 675 AC_SDB_PLUGIN([facter], [$facter_default],
 676                 [backend retrieving local facter facts])
 677 AC_SDB_PLUGIN([mk-livestatus], [yes],
 678                 [backend accessing Nagios/Icinga/Shinken using MK Livestatus])
 679 AC_SDB_PLUGIN([puppet-storeconfigs], [$puppet_storeconfigs_default],
 680                 [backend accessing the Puppet stored configuration database])
 681
 682 m4_divert_once([HELP_ENABLE], [
 683 Time-series fetchers:])
 684 AC_SDB_PLUGIN([timeseries-rrdtool], [$rrdtool_default],
 685                 [fetch time-series data from RRD files])
 686
 687 m4_divert_once([HELP_ENABLE], [
 688 Store implementations:])
 689 AC_SDB_PLUGIN([store-memory], [yes],
 690                 [store objects in a volatile, in-memory database (read/write)])
 691 AC_SDB_PLUGIN([store-network], [yes],
 692                 [send stored objects to a remote instance (write only)])
 693
 694 m4_divert_once([HELP_ENABLE], [
 695 Plugins:])
 696
 697 AC_SDB_PLUGIN([cname-dns], [yes],
 698                 [canonicalize hostnames by querying DNS])
 699 AC_SDB_PLUGIN([syslog], [yes],
 700                 [plugin logging to syslog])
 701
 702 AM_CONDITIONAL([BUILD_DOCUMENTATION], test "x$build_documentation" = "xyes")
 703 AM_CONDITIONAL([UNIT_TESTING], test "x$unit_tests" = "xyes")
 704
 705 AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile
 706                 src/liboconfig/Makefile t/Makefile])
 707 AC_OUTPUT
 708
 709 BUILD_DATE="`date --utc '+%F %T'` (UTC)"
 710
 711 asciidoc_info="$have_asciidoc"
 712 if test "x$have_asciidoc" = "xyes"; then
 713         asciidoc_info="`$ASCIIDOC --version`"
 714 fi
 715 xmlto_info="$have_xmlto"
 716 if test "x$have_xmlto" = "xyes"; then
 717         xmlto_info="`$XMLTO --version`"
 718 fi
 719
 720 if test "x$unit_tests" = "xyes"; then
 721         unit_tests="yes (check `$PKG_CONFIG --modversion check`)"
 722 fi
 723
 724 openssl_info="$have_openssl"
 725 if test "x$have_openssl" = "xyes"; then
 726         openssl_info="yes (version `$PKG_CONFIG --modversion openssl`)"
 727 fi
 728 libedit_info="$have_libedit"
 729 if test "x$have_libedit" = "xyes"; then
 730         libedit_info="yes (version `$PKG_CONFIG --modversion libedit`)"
 731 fi
 732 librrd_info="$have_librrd"
 733 if test "x$have_librrd" = "xyes"; then
 734         librrd_info="yes (version `$PKG_CONFIG --modversion librrd`)"
 735 fi
 736
 737 AC_MSG_RESULT()
 738 AC_MSG_RESULT([$PACKAGE_NAME has been configured successfully.])
 739 AC_MSG_RESULT()
 740 AC_MSG_RESULT([Run 'make' to compile the software and use 'make install' to])
 741 AC_MSG_RESULT([install the package into $prefix.])
 742 AC_MSG_RESULT()
 743 AC_MSG_RESULT([Configuration summary:])
 744 AC_MSG_RESULT()
 745 AC_MSG_RESULT([  package version: $PACKAGE_VERSION])
 746 AC_MSG_RESULT([  build date: $BUILD_DATE])
 747 AC_MSG_RESULT()
 748 AC_MSG_RESULT([  Tools:])
 749 AC_MSG_RESULT([    AsciiDoc: . . . . . . . . . $asciidoc_info])
 750 AC_MSG_RESULT([    xmlto:  . . . . . . . . . . $xmlto_info])
 751 AC_MSG_RESULT()
 752 AC_MSG_RESULT([  Features:])
 753 AC_MSG_RESULT([    documentation:  . . . . . . $build_documentation])
 754 AC_MSG_RESULT([    unit testing: . . . . . . . $unit_tests])
 755 AC_MSG_RESULT([      stdio mocking:  . . . . . $have_fopencookie])
 756 AC_MSG_RESULT([    coverage testing: . . . . . $enable_gcov])
 757 AC_MSG_RESULT([    integration testing:  . . . $integration_tests])
 758 AC_MSG_RESULT([    profiling:  . . . . . . . . $enable_gprof])
 759 AC_MSG_RESULT()
 760 AC_MSG_RESULT([  Libraries:])
 761 AC_MSG_RESULT([    libdbi: . . . . . . . . . . $with_libdbi])
 762 AC_MSG_RESULT([    libedit:  . . . . . . . . . $libedit_info])
 763 AC_MSG_RESULT([    libopenssl: . . . . . . . . $openssl_info])
 764 AC_MSG_RESULT([    libreadline:  . . . . . . . $have_libreadline])
 765 AC_MSG_RESULT([    librrd: . . . . . . . . . . $librrd_info])
 766 AC_MSG_RESULT()
 767 AC_MSG_RESULT([  Backends:])
 768 AC_MSG_RESULT([    collectd::unixsock: . . . . $enable_collectd_unixsock])
 769 AC_MSG_RESULT([    facter  . . . . . . . . . . $enable_facter])
 770 AC_MSG_RESULT([    mk-livestatus:  . . . . . . $enable_mk_livestatus])
 771 AC_MSG_RESULT([    puppet::storeconfigs: . . . $enable_puppet_storeconfigs])
 772 AC_MSG_RESULT()
 773 AC_MSG_RESULT([  Time-series fetchers:])
 774 AC_MSG_RESULT([    rrdtool:  . . . . . . . . . $enable_timeseries_rrdtool])
 775 AC_MSG_RESULT()
 776 AC_MSG_RESULT([  Store implementations:])
 777 AC_MSG_RESULT([    memory: . . . . . . . . . . $enable_store_memory])
 778 AC_MSG_RESULT([    network (writer): . . . . . $enable_store_network])
 779 AC_MSG_RESULT()
 780 AC_MSG_RESULT([  Plugins:])
 781 AC_MSG_RESULT([    cname::dns: . . . . . . . . $enable_cname_dns])
 782 AC_MSG_RESULT([    syslog: . . . . . . . . . . $enable_syslog])
 783 AC_MSG_RESULT()
 784 AC_MSG_RESULT([This package is maintained by $PACKAGE_MAINTAINER.])
 785 AC_MSG_RESULT([Please report bugs to $PACKAGE_BUGREPORT.])
 786 AC_MSG_RESULT()
 787
 788 dnl vim: set tw=78 sw=4 ts=4 noexpandtab :