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 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  48
  49 AC_LANG(C)
  50
  51 AC_SYS_LARGEFILE
  52
  53 AC_PROG_CC
  54 AC_PROG_CXX
  55 AC_PROG_CPP
  56 AC_PROG_INSTALL
  57 AC_PROG_LN_S
  58 AC_PROG_MAKE_SET
  59 m4_ifdef([AM_PROG_AR],[AM_PROG_AR],[])
  60
  61 AM_PROG_CC_C_O
  62 AM_PROG_LEX
  63 AC_PROG_YACC
  64
  65 m4_ifdef([LT_INIT],
  66         [
  67          LT_CONFIG_LTDL_DIR([libltdl])
  68          LT_INIT([dlopen])
  69          LTDL_INIT([convenience])
  70         ],
  71         # else
  72         # (older libtools)
  73         [
  74          AC_CONFIG_SUBDIRS(libltdl)
  75          AC_LIBLTDL_CONVENIENCE
  76          AC_SUBST(LTDLINCL)
  77          AC_SUBST(LIBLTDL)
  78          AC_LIBTOOL_DLOPEN
  79         ]
  80 )
  81
  82 test_cc_flags() {
  83         AC_LANG_CONFTEST([int main(void){}])
  84         $CC -c conftest.c $CFLAGS $STRICT_CFLAGS $@ > /dev/null 2> /dev/null
  85         ret=$?
  86         rm -f conftest.o conftest.c
  87         return $ret
  88 }
  89
  90 test_cxx_flags() {
  91         AC_LANG_PUSH(C++)
  92         AC_LANG_CONFTEST([int main(void){}])
  93         $CXX -c conftest.cpp $CXXFLAGS $STRICT_CXXFLAGS $@ > /dev/null 2> /dev/null
  94         ret=$?
  95         rm -f conftest.o conftest.cpp
  96         AC_LANG_POP(C++)
  97         return $ret
  98 }
  99
 100 STRICT_CFLAGS=""
 101 STRICT_CXXFLAGS=""
 102
 103 m4_divert_once([HELP_ENABLE], [
 104 Build options:])
 105
 106 dnl Optionally stick to standard C99 and POSIX:2001 as close as possible.
 107 AC_ARG_ENABLE([standards],
 108                 AS_HELP_STRING([--enable-standards],
 109                                 [C99 / POSIX standards compliance mode @<:@default=no@:>@]),
 110                 [enable_standards="$enableval"],
 111                 [enable_standards="no"])
 112
 113 if test "x$enable_standards" = "xyes"; then
 114         AC_DEFINE([_ISOC99_SOURCE], 1,
 115                         [Define to enforce ISO/IEC 9899:1999 (C99) compliance.])
 116         AC_DEFINE([_POSIX_C_SOURCE], 200809L,
 117                         [Define to enforce IEEE 1003.1-2008 (POSIX:2008) compliance.])
 118         AC_DEFINE([_XOPEN_SOURCE], 700,
 119                         [Define to enforce X/Open 7 (XSI) compliance.])
 120         AC_DEFINE([_REENTRANT], 1,
 121                         [Define to enable reentrant interfaces.])
 122         AC_DEFINE([_THREAD_SAFE], 1,
 123                         [Define to enable reentrant interfaces.])
 124
 125         for flag in -std=c99; do
 126                 AC_MSG_CHECKING([whether $CC accepts $flag])
 127
 128                 if test_cc_flags $flag; then
 129                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 130                         AC_MSG_RESULT([yes])
 131                 else
 132                         AC_MSG_RESULT([no])
 133                 fi
 134         done
 135 fi
 136
 137 dnl We need C++11 for facter.
 138 AC_MSG_CHECKING([whether $CXX accepts -std=c++11])
 139 if test_cxx_flags -std=c++11; then
 140         CXXFLAGS="$CXXFLAGS -std=c++11"
 141         AC_MSG_RESULT([yes])
 142 else
 143         # Oh well, the header check will determine if it works anyway.
 144         AC_MSG_RESULT([no])
 145 fi
 146
 147 dnl Hardening (see e.g. http://wiki.debian.org/Hardening for a motivation).
 148 AC_DEFINE([_FORTIFY_SOURCE], 2,
 149                 [Define to enable protection against static sized buffer overflows.])
 150 AC_ARG_ENABLE([hardening],
 151                 AS_HELP_STRING([--disable-hardening],
 152                                 [hardening options @<:@default=yes@:>@]),
 153                 [enable_hardening="$enableval"],
 154                 [enable_hardening="yes"])
 155
 156 if test "x$enable_hardening" = "xyes"; then
 157         hardening_cc=0
 158         hardening_cxx=0
 159         hardening_tests=0
 160         for flag in -Wformat -Wformat-security; do
 161                 hardening_tests=$(($hardening_tests + 1))
 162
 163                 AC_MSG_CHECKING([whether $CC accepts $flag])
 164                 if test_cc_flags $flag; then
 165                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 166                         hardening_cc=$(($hardening_cc + 1))
 167                         AC_MSG_RESULT([yes])
 168                 else
 169                         AC_MSG_RESULT([no])
 170                 fi
 171
 172                 AC_MSG_CHECKING([whether $CXX accepts $flag])
 173                 if test_cxx_flags $flag; then
 174                         STRICT_CXXFLAGS="$STRICT_CXXFLAGS $flag"
 175                         hardening_cxx=$(($hardening_cxx + 1))
 176                         AC_MSG_RESULT([yes])
 177                 else
 178                         AC_MSG_RESULT([no])
 179                 fi
 180         done
 181         if test $hardening_cc -ne $hardening_tests; then
 182                 AC_MSG_WARN(
 183                                 [Some hardening options are not supported by your C compiler!])
 184         fi
 185         if test $hardening_cxx -ne $hardening_tests; then
 186                 AC_MSG_WARN(
 187                                 [Some hardening options are not supported by your C++ compiler!])
 188         fi
 189 fi
 190
 191 dnl Strict checking for potential problems.
 192 AC_ARG_ENABLE([strict-checks],
 193                 AS_HELP_STRING([--disable-strict-checks],
 194                                 [strict compiler checks @<:@default=yes@:>@]),
 195                 [enable_strict_checks="$enableval"],
 196                 [enable_strict_checks="yes"])
 197
 198 for flag in -Wall -Werror; do
 199         AC_MSG_CHECKING([whether $CC accepts $flag])
 200         if test_cc_flags $flag; then
 201                 STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 202                 AC_MSG_RESULT([yes])
 203         else
 204                 AC_MSG_RESULT([no])
 205         fi
 206
 207         AC_MSG_CHECKING([whether $CXX accepts $flag])
 208         if test_cxx_flags $flag; then
 209                 STRICT_CXXFLAGS="$STRICT_CXXFLAGS $flag"
 210                 AC_MSG_RESULT([yes])
 211         else
 212                 AC_MSG_RESULT([no])
 213         fi
 214 done
 215
 216 if test "x$enable_strict_checks" = "xyes"; then
 217         dnl -Wsign-conversion may cause problems in expanded macros from libc
 218         for flag in -Wextra \
 219                         -Wbad-function-cast \
 220                         -Wcast-align \
 221                         -Wcast-qual \
 222                         -Wconversion \
 223                         -Wno-sign-conversion \
 224                         -Wdeclaration-after-statement \
 225                         -Wmissing-prototypes \
 226                         -Wpointer-arith \
 227                         -Wshadow \
 228                         -Wstrict-prototypes; do
 229                 AC_MSG_CHECKING([whether $CC accepts $flag])
 230                 if test_cc_flags $flag; then
 231                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 232                         AC_MSG_RESULT([yes])
 233                 else
 234                         AC_MSG_RESULT([no])
 235                 fi
 236
 237                 dnl -Wshadow produces unnecessary warnings/errors in case a
 238                 dnl C function name "shadows" a struct constructor.
 239                 if test "x$flag" != "x-Wshadow"; then
 240                         AC_MSG_CHECKING([whether $CXX accepts $flag])
 241                         if test_cxx_flags $flag; then
 242                                 STRICT_CXXFLAGS="$STRICT_CXXFLAGS $flag"
 243                                 AC_MSG_RESULT([yes])
 244                         else
 245                                 AC_MSG_RESULT([no])
 246                         fi
 247                 fi
 248         done
 249 fi
 250 AC_SUBST([STRICT_CFLAGS])
 251 AC_SUBST([STRICT_CXXFLAGS])
 252
 253 AC_ARG_ENABLE([gcov],
 254                 AS_HELP_STRING([--enable-gcov],
 255                                 [Gcov coverage statistics @<:@default=no@:>@]),
 256                 [enable_gcov="$enableval"],
 257                 [enable_gcov="no"])
 258
 259 dnl $GCC is based on some heuristics which might apply to clang as well.
 260 dnl However, clang does not support gcov.
 261 cc_is_gcc="no"
 262 case "x$CC" in
 263         xgcc)
 264                 cc_is_gcc="yes"
 265                 ;;
 266         xgcc-*)
 267                 cc_is_gcc="yes"
 268                 ;;
 269 esac
 270
 271 COVERAGE_CFLAGS=""
 272 COVERAGE_LDFLAGS=""
 273 if test "x$enable_gcov" = "xyes" && test "x$GCC$cc_is_gcc" == "xyesyes"; then
 274         COVERAGE_CFLAGS="-O0"
 275         cov_flag_have_problem="no"
 276
 277         AC_MSG_CHECKING([whether $CC accepts --coverage])
 278         if test_cc_flags --coverage; then
 279                 COVERAGE_CFLAGS="$COVERAGE_CFLAGS --coverage"
 280                 COVERAGE_LDFLAGS="$COVERAGE_LDFLAGS --coverage"
 281                 AC_MSG_RESULT([yes])
 282         else
 283                 AC_MSG_RESULT([no])
 284                 cov_flag_have_problem="yes"
 285         fi
 286
 287         for flag in -fno-inline; do
 288                 AC_MSG_CHECKING([whether $CC accepts $flag])
 289                 if test_cc_flags $flag; then
 290                         COVERAGE_CFLAGS="$COVERAGE_CFLAGS $flag"
 291                         AC_MSG_RESULT([yes])
 292                 else
 293                         AC_MSG_RESULT([no])
 294                         cov_flag_have_problem="yes"
 295                 fi
 296         done
 297
 298         if test "x$cov_flag_have_problem" != "xno"; then
 299                 AC_MSG_WARN([Some coverage flags are not supported by your compiler!])
 300         fi
 301 else if test "x$enable_gcov" = "xyes"; then
 302         AC_MSG_WARN([Your compiler ($CC) is not known to support Gcov!])
 303         enable_gcov="no (requires GCC)"
 304 fi; fi
 305 AC_SUBST([COVERAGE_CFLAGS])
 306 AC_SUBST([COVERAGE_LDFLAGS])
 307
 308 AC_ARG_ENABLE([gprof],
 309                 AS_HELP_STRING([--enable-gprof],
 310                                 [Gprof profiling @<:@default=no@:>@]),
 311                 [enable_gprof="$enableval"],
 312                 [enable_gprof="no"])
 313
 314 PROFILING_CFLAGS=""
 315 PROFILING_LDFLAGS=""
 316 if test "x$enable_gprof" = "xyes"; then
 317         PROFILING_CFLAGS="-O0"
 318         profiling_flag_have_problem="no"
 319
 320         AC_MSG_CHECKING([whether $CC accepts -pg])
 321         if test_cc_flags -pg; then
 322                 PROFILING_CFLAGS="$PROFILING_CFLAGS -pg"
 323                 PROFILING_LDFLAGS="$PROFILING_LDFLAGS -pg"
 324                 AC_MSG_RESULT([yes])
 325         else
 326                 AC_MSG_RESULT([no])
 327                 profiling_flag_have_problem="yes"
 328         fi
 329
 330         for flag in -fprofile-arcs; do
 331                 AC_MSG_CHECKING([whether $CC accepts $flag])
 332                 if test_cc_flags $flag; then
 333                         PROFILING_CFLAGS="$PROFILING_CFLAGS $flag"
 334                         AC_MSG_RESULT([yes])
 335                 fi
 336                 # else: this is not a serious problem
 337         done
 338
 339         if test "x$profiling_flag_have_problem" != "xno"; then
 340                 AC_MSG_WARN([Some profiling flags are not supported by your compiler!])
 341         fi
 342 fi
 343 AC_SUBST([PROFILING_CFLAGS])
 344 AC_SUBST([PROFILING_LDFLAGS])
 345
 346 ieee754_layout="unknown"
 347 AC_MSG_CHECKING([the memory layout of double precision values])
 348 AC_COMPILE_IFELSE(
 349                 [AC_LANG_PROGRAM(
 350                         [[
 351 #include <string.h>
 352 #include <inttypes.h>
 353                         ]],
 354                         [[
 355 double d = 3.141592653e130;
 356 char c[8];
 357 if (sizeof(d) != 8)
 358         return 2;
 359 memcpy(&c, &d, 8);
 360 if (c[0] == '\x04' && c[1] == '\x10' && c[2] == '\x1E' && c[3] == '\x66' &&
 361         c[4] == '\x40' && c[5] == '\xA9' && c[6] == '\x06' && c[7] == '\x5B')
 362         return 0;
 363 else
 364         return 1;
 365                         ]]
 366                 )],
 367                 [ieee754_layout="little-endian"], [ieee754_layout="unknown"])
 368 if test "x$ieee754_layout" = "xunknown"; then
 369         AC_COMPILE_IFELSE(
 370                         [AC_LANG_PROGRAM(
 371                                 [[
 372 #include <string.h>
 373 #include <inttypes.h>
 374                                 ]],
 375                                 [[
 376 double d = 3.141592653e130;
 377 char c[8];
 378 if (sizeof(d) != 8)
 379         return 2;
 380 memcpy(&c, &d, 8);
 381 if (c[7] == '\x04' && c[6] == '\x10' && c[5] == '\x1E' && c[4] == '\x66' &&
 382         c[3] == '\x40' && c[2] == '\xA9' && c[1] == '\x06' && c[0] == '\x5B')
 383         return 0;
 384 else
 385         return 1;
 386                                 ]]
 387                         )],
 388                         [ieee754_layout="big-endian"], [ieee754_layout="unknown"])
 389 fi
 390 AC_MSG_RESULT([IEEE-754 $ieee754_layout])
 391
 392 AC_DEFINE([IEEE754_DOUBLE_LITTLE_ENDIAN], 1234,
 393                 [Identifier for IEEE-754 little-endian encoding of double precision values])
 394 AC_DEFINE([IEEE754_DOUBLE_BIG_ENDIAN], 4321,
 395                 [Identifier for IEEE-754 big-endian encoding of double precision values])
 396 if test "x$ieee754_layout" = "xlittle-endian"; then
 397         AC_DEFINE([IEEE754_DOUBLE_BYTE_ORDER], 1234,
 398                         [Define to 1 if double precision values use IEEE-754 little-endian encoding])
 399 else if test "x$ieee754_layout" = "xbig-endian"; then
 400         AC_DEFINE([IEEE754_DOUBLE_BYTE_ORDER], 4321,
 401                         [Define to 1 if double precision values use IEEE-754 little-endian encoding])
 402 else
 403         AC_MSG_ERROR([Unknown memory layout of double precision values])
 404 fi; fi
 405
 406 m4_divert_once([HELP_ENABLE], [
 407 Build dependencies:])
 408
 409 AC_CHECK_HEADERS([ucred.h])
 410 dnl On OpenBSD, sys/param.h is required for sys/ucred.h.
 411 AC_CHECK_HEADERS([sys/ucred.h], [], [],
 412                 [[ #include <sys/param.h> ]])
 413
 414 AC_CHECK_TYPES([struct ucred],
 415                 [have_struct_ucred="yes"], [have_struct_ucred="no"],
 416                 [[
 417 #include <sys/socket.h>
 418 #include <sys/param.h>
 419 #if HAVE_UCRED_H
 420 #       include <ucred.h>
 421 #endif
 422                 ]])
 423
 424 if test "x$have_struct_ucred" != "xyes"; then
 425         AC_MSG_CHECKING([for struct ucred when using _GNU_SOURCE])
 426         orig_CFLAGS="$CFLAGS"
 427         CFLAGS="$CFLAGS -D_GNU_SOURCE"
 428         dnl Don't reuse AC_CHECK_HEADERS; for one it'll use the cached value
 429         dnl but also, it will print the "checking for" message a second time.
 430         AC_COMPILE_IFELSE(
 431                         [AC_LANG_PROGRAM(
 432                                 [[
 433 #include <sys/socket.h>
 434 #include <sys/param.h>
 435 #if HAVE_UCRED_H
 436 #       include <ucred.h>
 437 #endif
 438                                 ]],
 439                                 [if (sizeof(struct ucred)) return 0;]
 440                         )],
 441                         [have_struct_ucred="yes"], [have_struct_ucred="no"])
 442         CFLAGS="$orig_CFLAGS"
 443         if test "x$have_struct_ucred" = "xyes"; then
 444                 AC_DEFINE([_GNU_SOURCE], 1, [Define to enable GNU features.])
 445         fi
 446         AC_MSG_RESULT([$have_struct_ucred])
 447 fi
 448
 449 dnl Only check this after potentially defining _GNU_SOURCE.
 450 AC_FUNC_STRERROR_R
 451
 452 dnl Testing.
 453 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],
 454                 [unit_tests="yes"], [unit_tests="no"])
 455
 456 AC_CHECK_HEADERS(libgen.h)
 457
 458 dnl Check for dependencies.
 459 AC_ARG_WITH([libdbi],
 460                 [AS_HELP_STRING([--with-libdbi], [libdbi support (default: auto)])],
 461                 [with_libdbi="$withval"],
 462                 [with_libdbi="yes"])
 463 if test "x$with_libdbi" = "xyes" || test "x$with_libdbi" = "xauto"; then
 464         AC_CHECK_HEADERS([dbi/dbi.h],
 465                         [with_libdbi="yes"],
 466                         [with_libdbi="no (dbi/dbi.h not found)"])
 467 else if test "x$with_libdbi" = "xno"; then
 468         with_libdbi="$with_libdbi (disabled on command-line)"
 469 else
 470         AC_MSG_ERROR([Invalid value for option --with-libdbi=$with_libdbi (expected "yes", "no", or "auto")])
 471 fi; fi
 472 if test "x$with_libdbi" = "xyes"; then
 473         AC_CHECK_LIB([dbi], [dbi_initialize],
 474                         [with_libdbi="yes"],
 475                         [with_libdbi="no (libdbi or symbol 'dbi_initialize' not found)"])
 476 fi
 477 AM_CONDITIONAL([BUILD_WITH_LIBDBI], test "x$with_libdbi" = "xyes")
 478
 479 AC_ARG_WITH([libyajl],
 480                 [AS_HELP_STRING([--with-liyajl], [libyajl support (default: auto)])],
 481                 [with_libyajl="$withval"],
 482                 [with_libyajl="yes"])
 483 if test "x$with_libyajl" = "xyes" || test "x$with_libyajl" = "xauto"; then
 484         PKG_CHECK_MODULES([YAJL], [yajl], [have_libyajl="yes"], [have_libyajl="no"])
 485 fi
 486 if test "x$have_libyajl" = "xyes"; then
 487         AC_DEFINE([HAVE_LIBYAJL], 1, [Define to 1 if you have the 'yajl' library.])
 488 fi
 489
 490 dnl Required for mocking FILE related functions.
 491 orig_CFLAGS="$CFLAGS"
 492 CFLAGS="$CFLAGS -D_GNU_SOURCE"
 493 AC_CHECK_FUNCS([fopencookie],
 494                 [have_fopencookie="yes"],
 495                 [have_fopencookie="no (fopencookie not available)"])
 496 CFLAGS="$orig_CFLAGS"
 497 AM_CONDITIONAL([BUILD_WITH_FOPENCOOKIE], test "x$have_fopencookie" = "xyes")
 498 if test "x$have_fopencookie" = "xyes"; then
 499         AC_DEFINE([HAVE_FOPENCOOKIE], 1)
 500 fi
 501
 502 dnl OpenSSL support
 503 PKG_CHECK_MODULES([OPENSSL], [openssl], [have_openssl="yes"], [have_openssl="no"])
 504 if test "x$have_openssl" != "xyes"; then
 505         AC_MSG_ERROR([OpenSSL not found])
 506 fi
 507
 508 dnl readline support
 509 AC_ARG_WITH([readline],
 510                 [AS_HELP_STRING([--with-readline],
 511                         [readline support (libedit/libreadline) (default: auto, prefer libedit)])],
 512                 [readline_support="$withval"],
 513                 [readline_support="auto"])
 514
 515 if test "x$readline_support" = "xyes"; then
 516         readline_support="auto"
 517 else if test "x$readline_support" != "xauto" \
 518                 && test "x$readline_support" != "xno" \
 519                 && test "x$readline_support" != "xlibedit" \
 520                 && test "x$readline_support" != "xlibreadline"; then
 521         AC_MSG_ERROR([Invalid value for option --with-readline=$readline_support (expected "yes", "no", "auto", "libedit", or "libreadline")])
 522 fi; fi
 523
 524 have_libedit="no"
 525 if test "x$readline_support" = "xauto" \
 526                 || test "x$readline_support" = "xlibedit"; then
 527         PKG_CHECK_MODULES([LIBEDIT], [libedit],
 528                         [have_libedit="yes"], [have_libedit="no"])
 529         if test "x$have_libedit" = "xyes"; then
 530                 AC_CHECK_HEADERS([editline/readline.h], [],
 531                                 [AC_CHECK_HEADERS([readline.h], [],
 532                                                 [have_libedit="no (readline header not found"])])
 533         fi
 534         if test "x$have_libedit" = "xyes"; then
 535                 AC_CHECK_HEADERS([editline/history.h], [],
 536                                 [AC_CHECK_HEADERS([history.h], [],
 537                                                 [have_libedit="no (history header not found"])])
 538         fi
 539 else
 540         have_libedit="disabled on command-line"
 541 fi
 542
 543 have_libreadline="no"
 544 if test "x$have_libedit" != "xyes"; then
 545         if test "x$readline_support" = "xauto" \
 546                         || test "x$readline_support" = "xlibreadline"; then
 547                 AC_CHECK_LIB([readline], [readline],
 548                                 [have_libreadline="yes"],
 549                                 [have_libreadline="no (libreadline or symbol 'readline' not found)"])
 550         fi
 551         if test "x$have_libreadline" = "xyes"; then
 552                 AC_CHECK_HEADERS([readline/readline.h], [],
 553                                 [AC_CHECK_HEADERS([readline.h], [],
 554                                                 [have_libreadline="no (readline header not found"])])
 555         fi
 556         if test "x$have_libreadline" = "xyes"; then
 557                 AC_CHECK_HEADERS([readline/history.h], [],
 558                                 [AC_CHECK_HEADERS([history.h], [],
 559                                                 [have_libreadline="no (history header not found"])])
 560         fi
 561 else
 562         have_libreadline="unchecked (prefer libedit)"
 563 fi
 564
 565 if test "x$have_libedit" = "xyes"; then
 566         READLINE_LIBS="$LIBEDIT_LIBS"
 567         READLINE_CFLAGS="$LIBEDIT_CFLAGS"
 568         readline_support="libedit"
 569 else if test "x$have_libreadline" = "xyes"; then
 570         READLINE_LIBS="-lreadline -lhistory"
 571         READLINE_CFLAGS=""
 572         readline_support="libreadline"
 573 else
 574         READLINE_LIBS=""
 575         READLINE_CFLAGS=""
 576         if test "x$readline_support" = "xno"; then
 577                 AC_MSG_WARN([*** readline support disabled; disabling SysDB client])
 578         else if test "x$readline_support" = "xauto"; then
 579                 AC_MSG_WARN([*** readline not found; disabling SysDB client])
 580         else
 581                 AC_MSG_ERROR([readline not found])
 582         fi; fi
 583         readline_support="no"
 584 fi; fi
 585 AC_SUBST([READLINE_LIBS])
 586 AC_SUBST([READLINE_CFLAGS])
 587 AM_CONDITIONAL([BUILD_CLIENT], test "x$readline_support" != "no")
 588
 589 AC_LANG_PUSH(C++)
 590 AC_ARG_WITH([libfacter],
 591                 [AS_HELP_STRING([--with-libfacter], [libfacter support (default: auto)])],
 592                 [with_libfacter="$withval"],
 593                 [with_libfacter="yes"])
 594 if test "x$with_libfacter" = "xyes" || test "x$with_libfacter" = "xauto"; then
 595         AC_CHECK_HEADERS([facter/facts/collection.hpp],
 596                         [have_libfacter="yes"],
 597                         [have_libfacter="no (facter/facts/collection.hpp not found)"])
 598 else if test "x$with_libfacter" = "xno"; then
 599         have_libfacter="$with_libfacter (disabled on command-line)"
 600 else
 601         AC_MSG_ERROR([Invalid value for option --with-libfacter=$with_libfacter (expected "yes", "no", or "auto")])
 602 fi; fi
 603 if test "x$have_libfacter" = "xyes"; then
 604         AC_MSG_CHECKING([for facter::facts::collection in -lfacter])
 605         AC_LINK_IFELSE(
 606                         [AC_LANG_PROGRAM(
 607                                 [[ #include <facter/facts/collection.hpp> ]],
 608                                 [[
 609                                         facter::facts::collection facts;
 610                                         facts.add_default_facts();
 611                                 ]]
 612                         )],
 613                         [TEST_LIBS=$TEST_LIBS -lfacter],
 614                         [have_libfacter="yes"],
 615                         [have_libfacter="no (libfacter not found)"])
 616         AC_MSG_RESULT([$have_libfacter])
 617 fi
 618 AC_LANG_POP(C++)
 619
 620 AC_ARG_WITH([librrd],
 621                 [AS_HELP_STRING([--with-librrd], [librrd support (default: auto)])],
 622                 [with_librrd="$withval"],
 623                 [with_librrd="yes"])
 624 if test "x$with_librrd" = "xyes" || test "x$with_librrd" = "xauto"; then
 625         PKG_CHECK_MODULES([RRD], [librrd],
 626                         [have_librrd="yes"], [have_librrd="no"])
 627 else if test "x$with_librrd" = "xno"; then
 628         have_librrd="$with_librrd (disabled on command-line)"
 629 else
 630         AC_MSG_ERROR([Invalid value for option --with-librrd=$with_librrd (expected "yes", "no", or "auto")])
 631 fi; fi
 632
 633 if test "x$have_librrd" = "xyes"; then
 634         AC_CHECK_HEADERS([rrd.h])
 635         AC_CHECK_HEADERS([rrd_client.h], [], [], [[#include <rrd.h>]])
 636 fi
 637
 638 dnl Feature checks.
 639 build_documentation="yes"
 640
 641 have_xmlto="yes"
 642 AC_PATH_PROG([XMLTO], [xmlto])
 643 if test "x$XMLTO" = "x"; then
 644         have_xmlto="no"
 645         build_documentation="no (missing xmlto)"
 646 fi
 647 AC_SUBST([XMLTO])
 648
 649 have_asciidoc="yes"
 650 AC_PATH_PROG([ASCIIDOC], [asciidoc])
 651 if test "x$ASCIIDOC" = "x"; then
 652        have_asciidoc="no"
 653        build_documentation="no (missing asciidoc)"
 654 fi
 655 AC_SUBST([ASCIIDOC])
 656
 657 AC_ARG_VAR([ADOCFLAGS], [AsciiDoc flags])
 658
 659 integration_tests="yes"
 660 AC_PATH_PROG([VALGRIND], [valgrind])
 661 if test "x$VALGRIND" = "x"; then
 662         integration_tests="no (missing valgrind)"
 663 fi
 664 AM_CONDITIONAL([INTEGRATION_TESTING], test "x$integration_tests" = "xyes")
 665
 666 dnl Plugin checks.
 667 facter_default=$have_libfacter
 668 if test "x$facter_default" != "xyes"; then
 669         facter_default="no (requires libfacter)"
 670 fi
 671 puppet_storeconfigs_default=$with_libdbi
 672 if test "x$puppet_storeconfigs_default" != "xyes"; then
 673         puppet_storeconfigs_default="no (requires libdbi)"
 674 fi
 675 rrdtool_default=$have_librrd
 676 if test "x$rrdtool_default" != "xyes"; then
 677         rrdtool_default="no (required librrd)"
 678 fi
 679
 680 m4_divert_once([HELP_ENABLE], [
 681 Backends:])
 682
 683 AC_SDB_PLUGIN_INIT
 684 AC_SDB_PLUGIN([collectd-unixsock], [yes],
 685                 [backend accessing the system statistics collection daemon])
 686 AC_SDB_PLUGIN([facter], [$facter_default],
 687                 [backend retrieving local facter facts])
 688 AC_SDB_PLUGIN([mk-livestatus], [yes],
 689                 [backend accessing Nagios/Icinga/Shinken using MK Livestatus])
 690 AC_SDB_PLUGIN([puppet-storeconfigs], [$puppet_storeconfigs_default],
 691                 [backend accessing the Puppet stored configuration database])
 692
 693 m4_divert_once([HELP_ENABLE], [
 694 Time-series fetchers:])
 695 AC_SDB_PLUGIN([timeseries-rrdtool], [$rrdtool_default],
 696                 [fetch time-series data from RRD files])
 697
 698 m4_divert_once([HELP_ENABLE], [
 699 Store implementations:])
 700 AC_SDB_PLUGIN([store-memory], [yes],
 701                 [store objects in a volatile, in-memory database (read/write)])
 702 AC_SDB_PLUGIN([store-network], [yes],
 703                 [send stored objects to a remote instance (write only)])
 704
 705 m4_divert_once([HELP_ENABLE], [
 706 Plugins:])
 707
 708 AC_SDB_PLUGIN([cname-dns], [yes],
 709                 [canonicalize hostnames by querying DNS])
 710 AC_SDB_PLUGIN([syslog], [yes],
 711                 [plugin logging to syslog])
 712
 713 AM_CONDITIONAL([BUILD_DOCUMENTATION], test "x$build_documentation" = "xyes")
 714 AM_CONDITIONAL([UNIT_TESTING], test "x$unit_tests" = "xyes")
 715
 716 AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile
 717                 src/liboconfig/Makefile t/Makefile])
 718 AC_OUTPUT
 719
 720 BUILD_DATE="`date --utc '+%F %T'` (UTC)"
 721
 722 asciidoc_info="$have_asciidoc"
 723 if test "x$have_asciidoc" = "xyes"; then
 724         asciidoc_info="`$ASCIIDOC --version`"
 725 fi
 726 xmlto_info="$have_xmlto"
 727 if test "x$have_xmlto" = "xyes"; then
 728         xmlto_info="`$XMLTO --version`"
 729 fi
 730
 731 if test "x$unit_tests" = "xyes"; then
 732         unit_tests="yes (check `$PKG_CONFIG --modversion check`)"
 733 fi
 734
 735 openssl_info="$have_openssl"
 736 if test "x$have_openssl" = "xyes"; then
 737         openssl_info="yes (version `$PKG_CONFIG --modversion openssl`)"
 738 fi
 739 libedit_info="$have_libedit"
 740 if test "x$have_libedit" = "xyes"; then
 741         libedit_info="yes (version `$PKG_CONFIG --modversion libedit`)"
 742 fi
 743 librrd_info="$have_librrd"
 744 if test "x$have_librrd" = "xyes"; then
 745         librrd_info="yes (version `$PKG_CONFIG --modversion librrd`)"
 746 fi
 747 libyajl_info="$have_libyajl"
 748 if test "x$have_libyajl" = "xyes"; then
 749         libyajl_info="yes (version `$PKG_CONFIG --modversion yajl`)"
 750 fi
 751
 752 AC_MSG_RESULT()
 753 AC_MSG_RESULT([$PACKAGE_NAME has been configured successfully.])
 754 AC_MSG_RESULT()
 755 AC_MSG_RESULT([Run 'make' to compile the software and use 'make install' to])
 756 AC_MSG_RESULT([install the package into $prefix.])
 757 AC_MSG_RESULT()
 758 AC_MSG_RESULT([Configuration summary:])
 759 AC_MSG_RESULT()
 760 AC_MSG_RESULT([  package version: $PACKAGE_VERSION])
 761 AC_MSG_RESULT([  build date: $BUILD_DATE])
 762 AC_MSG_RESULT()
 763 AC_MSG_RESULT([  Tools:])
 764 AC_MSG_RESULT([    AsciiDoc: . . . . . . . . . $asciidoc_info])
 765 AC_MSG_RESULT([    xmlto:  . . . . . . . . . . $xmlto_info])
 766 AC_MSG_RESULT()
 767 AC_MSG_RESULT([  Features:])
 768 AC_MSG_RESULT([    documentation:  . . . . . . $build_documentation])
 769 AC_MSG_RESULT([    unit testing: . . . . . . . $unit_tests])
 770 AC_MSG_RESULT([      stdio mocking:  . . . . . $have_fopencookie])
 771 AC_MSG_RESULT([    coverage testing: . . . . . $enable_gcov])
 772 AC_MSG_RESULT([    integration testing:  . . . $integration_tests])
 773 AC_MSG_RESULT([    profiling:  . . . . . . . . $enable_gprof])
 774 AC_MSG_RESULT()
 775 AC_MSG_RESULT([  Libraries:])
 776 AC_MSG_RESULT([    libdbi: . . . . . . . . . . $with_libdbi])
 777 AC_MSG_RESULT([    libedit:  . . . . . . . . . $libedit_info])
 778 AC_MSG_RESULT([    libopenssl: . . . . . . . . $openssl_info])
 779 AC_MSG_RESULT([    libreadline:  . . . . . . . $have_libreadline])
 780 AC_MSG_RESULT([    librrd: . . . . . . . . . . $librrd_info])
 781 AC_MSG_RESULT([    libyajl:  . . . . . . . . . $libyajl_info])
 782 AC_MSG_RESULT()
 783 AC_MSG_RESULT([  Backends:])
 784 AC_MSG_RESULT([    collectd::unixsock: . . . . $enable_collectd_unixsock])
 785 AC_MSG_RESULT([    facter  . . . . . . . . . . $enable_facter])
 786 AC_MSG_RESULT([    mk-livestatus:  . . . . . . $enable_mk_livestatus])
 787 AC_MSG_RESULT([    puppet::storeconfigs: . . . $enable_puppet_storeconfigs])
 788 AC_MSG_RESULT()
 789 AC_MSG_RESULT([  Time-series fetchers:])
 790 AC_MSG_RESULT([    rrdtool:  . . . . . . . . . $enable_timeseries_rrdtool])
 791 AC_MSG_RESULT()
 792 AC_MSG_RESULT([  Store implementations:])
 793 AC_MSG_RESULT([    memory: . . . . . . . . . . $enable_store_memory])
 794 AC_MSG_RESULT([    network (writer): . . . . . $enable_store_network])
 795 AC_MSG_RESULT()
 796 AC_MSG_RESULT([  Plugins:])
 797 AC_MSG_RESULT([    cname::dns: . . . . . . . . $enable_cname_dns])
 798 AC_MSG_RESULT([    syslog: . . . . . . . . . . $enable_syslog])
 799 AC_MSG_RESULT()
 800 AC_MSG_RESULT([This package is maintained by $PACKAGE_MAINTAINER.])
 801 AC_MSG_RESULT([Please report bugs to $PACKAGE_BUGREPORT.])
 802 AC_MSG_RESULT()
 803
 804 dnl vim: set tw=78 sw=4 ts=4 noexpandtab :