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                 [sh@tokkee.org],
  31                 [sysdb],
  32                 [http://git.tokkee.org/?p=sysdb.git])
  33 PACKAGE_MAINTAINER="Sebastian 'tokkee' Harl <sh@tokkee.org>"
  34 AC_DEFINE_UNQUOTED([PACKAGE_MAINTAINER], ["$PACKAGE_MAINTAINER"],
  35                 [Define to the name of the maintainer of this package.])
  36 AC_CONFIG_SRCDIR([src/sysdb.c])
  37 AC_CONFIG_HEADERS([src/config.h])
  38 AC_PREFIX_DEFAULT([/opt/sysdb])
  39
  40 AM_INIT_AUTOMAKE([foreign subdir-objects -Wall])
  41
  42 AC_LANG(C)
  43
  44 AC_SYS_LARGEFILE
  45
  46 AC_PROG_CC
  47 AC_PROG_CPP
  48 AC_PROG_INSTALL
  49 AC_PROG_LN_S
  50 AC_PROG_MAKE_SET
  51 AM_PROG_AR
  52
  53 AM_PROG_CC_C_O
  54 AM_PROG_LEX
  55 AC_PROG_YACC
  56
  57 m4_ifdef([LT_INIT],
  58         [
  59          LT_CONFIG_LTDL_DIR([libltdl])
  60          LT_INIT([dlopen])
  61          LTDL_INIT([convenience])
  62         ],
  63         # else
  64         # (older libtools)
  65         [
  66          AC_CONFIG_SUBDIRS(libltdl)
  67          AC_LIBLTDL_CONVENIENCE
  68          AC_SUBST(LTDLINCL)
  69          AC_SUBST(LIBLTDL)
  70          AC_LIBTOOL_DLOPEN
  71         ]
  72 )
  73
  74 test_cc_flags() {
  75         AC_LANG_CONFTEST([AC_LANG_PROGRAM([[ ]], [[ ]])])
  76         $CC -c conftest.c $CFLAGS $@ > /dev/null 2> /dev/null
  77         ret=$?
  78         rm -f conftest.o
  79         return $ret
  80 }
  81
  82 m4_divert_once([HELP_ENABLE], [
  83 Build options:])
  84
  85 dnl Optionally stick to standard C99 and POSIX:2001 as close as possible.
  86 AC_ARG_ENABLE([standards],
  87                 AS_HELP_STRING([--enable-standards],
  88                                 [C99 / POSIX standards compliance mode @<:@default=no@:>@]),
  89                 [enable_standards="$enableval"],
  90                 [enable_standards="no"])
  91
  92 if test "x$enable_standards" = "xyes"; then
  93         AC_DEFINE([_ISOC99_SOURCE], 1,
  94                         [Define to enforce ISO/IEC 9899:1999 (C99) compliance.])
  95         AC_DEFINE([_POSIX_C_SOURCE], 200112L,
  96                         [Define to enforce IEEE 1003.1-2001 (POSIX:2001) compliance.])
  97         AC_DEFINE([_XOPEN_SOURCE], 600,
  98                         [Define to enforce X/Open 6 (XSI) compliance.])
  99         AC_DEFINE([_REENTRANT], 1,
 100                         [Define to enable reentrant interfaces.])
 101         AC_DEFINE([_THREAD_SAFE], 1,
 102                         [Define to enable reentrant interfaces.])
 103
 104         dnl GNU libc defines strcasecmp() only when using _BSD_SOURCE even though
 105         dnl the function is conforming to POSIX.1-2001 as well. Let's weaken
 106         dnl strict standards compliance a bit to work around this.
 107         AC_DEFINE([_BSD_SOURCE], 1, [Define to enable 4.3BSD support.])
 108
 109         for flag in -std=c99 -pedantic; do
 110                 AC_MSG_CHECKING([whether $CC accepts $flag])
 111
 112                 if test_cc_flags $flag; then
 113                         CFLAGS="$CFLAGS $flag"
 114                         AC_MSG_RESULT([yes])
 115                 else
 116                         AC_MSG_RESULT([no])
 117                 fi
 118         done
 119 fi
 120
 121 dnl Hardening (see e.g. http://wiki.debian.org/Hardening for a motivation).
 122 AC_DEFINE([_FORTIFY_SOURCE], 2,
 123                 [Define to enable protection against static sized buffer overflows.])
 124 AC_ARG_ENABLE([hardening],
 125                 AS_HELP_STRING([--disable-hardening],
 126                                 [hardening options @<:@default=yes@:>@]),
 127                 [enable_hardening="$enableval"],
 128                 [enable_hardening="yes"])
 129
 130 if test "x$enable_hardening" = "xyes"; then
 131         hardening=0
 132         hardening_tests=0
 133         for flag in -Wformat -Wformat-security; do
 134                 hardening_tests=$(($hardening_tests + 1))
 135                 AC_MSG_CHECKING([whether $CC accepts $flag])
 136
 137                 if test_cc_flags $flag; then
 138                         CFLAGS="$CFLAGS $flag"
 139                         hardening=$(($hardening + 1))
 140                         AC_MSG_RESULT([yes])
 141                 else
 142                         AC_MSG_RESULT([no])
 143                 fi
 144         done
 145         if test $hardening -ne $hardening_tests; then
 146                 AC_MSG_WARN(
 147                                 [Some hardening options are not supported by your compiler!])
 148         fi
 149 fi
 150
 151 dnl Strict checking for potential problems.
 152 AC_ARG_ENABLE([strict-checks],
 153                 AS_HELP_STRING([--disable-strict-checks],
 154                                 [strict compiler checks @<:@default=yes@:>@]),
 155                 [enable_strict_checks="$enableval"],
 156                 [enable_strict_checks="yes"])
 157
 158 STRICT_CFLAGS=""
 159 for flag in -Wall -Werror; do
 160         AC_MSG_CHECKING([whether $CC accepts $flag])
 161
 162         if test_cc_flags $flag; then
 163                 STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 164                 AC_MSG_RESULT([yes])
 165         else
 166                 AC_MSG_RESULT([no])
 167         fi
 168 done
 169
 170 if test "x$enable_strict_checks" = "xyes"; then
 171         for flag in -Wextra \
 172                         -Wbad-function-cast \
 173                         -Wcast-align \
 174                         -Wcast-qual \
 175                         -Wconversion \
 176                         -Wdeclaration-after-statement \
 177                         -Wmissing-prototypes \
 178                         -Wpointer-arith \
 179                         -Wshadow \
 180                         -Wstrict-prototypes; do
 181                 AC_MSG_CHECKING([whether $CC accepts $flag])
 182
 183                 if test_cc_flags $flag; then
 184                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 185                         AC_MSG_RESULT([yes])
 186                 else
 187                         AC_MSG_RESULT([no])
 188                 fi
 189         done
 190 fi
 191 AC_SUBST([STRICT_CFLAGS])
 192
 193 AC_ARG_ENABLE([gcov],
 194                 AS_HELP_STRING([--enable-gcov],
 195                                 [Gcov coverage statistics @<:@default=no@:>@]),
 196                 [enable_gcov="$enableval"],
 197                 [enable_gcov="no"])
 198
 199 dnl $GCC is based on some heuristics which might apply to clang as well.
 200 dnl However, clang does not support gcov.
 201 cc_is_gcc="no"
 202 case "x$CC" in
 203         xgcc)
 204                 cc_is_gcc="yes"
 205                 ;;
 206         xgcc-*)
 207                 cc_is_gcc="yes"
 208                 ;;
 209 esac
 210
 211 COVERAGE_CFLAGS=""
 212 COVERAGE_LDFLAGS=""
 213 if test "x$enable_gcov" = "xyes" && test "x$GCC$cc_is_gcc" == "xyesyes"; then
 214         COVERAGE_CFLAGS="-O0"
 215         cov_flag_have_problem="no"
 216
 217         AC_MSG_CHECKING([whether $CC accepts --coverage])
 218         if test_cc_flags --coverage; then
 219                 COVERAGE_CFLAGS="$COVERAGE_CFLAGS --coverage"
 220                 COVERAGE_LDFLAGS="$COVERAGE_LDFLAGS --coverage"
 221                 AC_MSG_RESULT([yes])
 222         else
 223                 AC_MSG_RESULT([no])
 224                 cov_flag_have_problem="yes"
 225         fi
 226
 227         for flag in -fno-inline; do
 228                 AC_MSG_CHECKING([whether $CC accepts $flag])
 229                 if test_cc_flags $flag; then
 230                         COVERAGE_CFLAGS="$COVERAGE_CFLAGS $flag"
 231                         AC_MSG_RESULT([yes])
 232                 else
 233                         AC_MSG_RESULT([no])
 234                         cov_flag_have_problem="yes"
 235                 fi
 236         done
 237
 238         if test "x$cov_flag_have_problem" != "xno"; then
 239                 AC_MSG_WARN([Some coverage flags are not supported by your compiler!])
 240         fi
 241 else if test "x$enable_gcov" = "xyes"; then
 242         AC_MSG_WARN([Your compiler ($CC) is not known to support Gcov!])
 243         enable_gcov="no (requires GCC)"
 244 fi; fi
 245 AC_SUBST([COVERAGE_CFLAGS])
 246 AC_SUBST([COVERAGE_LDFLAGS])
 247
 248 m4_divert_once([HELP_ENABLE], [
 249 Build dependencies:])
 250
 251 dnl Testing.
 252 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],
 253                 [build_testing="yes"], [build_testing="no"])
 254
 255 AC_CHECK_HEADERS(libgen.h)
 256
 257 dnl Check for dependencies.
 258 AC_ARG_WITH([libdbi],
 259                 [AS_HELP_STRING([--with-libdbi], [libdbi support (default: auto)])],
 260                 [with_libdbi="$withval"],
 261                 [with_libdbi="yes"])
 262 if test "x$with_libdbi" = "xyes" || test "x$with_libdbi" = "xauto"; then
 263         AC_CHECK_HEADERS([dbi/dbi.h],
 264                         [with_libdbi="yes"],
 265                         [with_libdbi="no (dbi/dbi.h not found)"])
 266 else if test "x$with_libdbi" = "xno"; then
 267         with_libdbi="$with_libdbi (disabled on command-line)"
 268 else
 269         AC_MSG_ERROR([Invalid value for option --with-libdbi=$with_libdbi (expected "yes", "no", or "auto")])
 270 fi; fi
 271 if test "x$with_libdbi" = "xyes"; then
 272         AC_CHECK_LIB([dbi], [dbi_initialize],
 273                         [with_libdbi="yes"],
 274                         [with_libdbi="no (libdbi or symbol 'dbi_initialize' not found)"])
 275 fi
 276 AM_CONDITIONAL([BUILD_WITH_LIBDBI], test "x$with_libdbi" = "xyes")
 277
 278 dnl Required for mocking FILE related functions.
 279 orig_CFLAGS="$CFLAGS"
 280 CFLAGS="$CFLAGS -D_GNU_SOURCE"
 281 AC_CHECK_FUNCS([fopencookie],
 282                 [have_fopencookie="yes"],
 283                 [have_fopencookie="no (fopencookie not available)"])
 284 CFLAGS="$orig_CFLAGS"
 285 AM_CONDITIONAL([BUILD_WITH_FOPENCOOKIE], test "x$have_fopencookie" = "xyes")
 286 if test "x$have_fopencookie" = "xyes"; then
 287         AC_DEFINE([HAVE_FOPENCOOKIE], 1)
 288 fi
 289
 290 dnl readline support
 291 AC_ARG_WITH([readline],
 292                 [AS_HELP_STRING([--with-readline],
 293                         [readline support (libedit/libreadline) (default: auto, prefer libedit)])],
 294                 [readline_support="$withval"],
 295                 [readline_support="auto"])
 296
 297 if test "x$readline_support" = "xyes"; then
 298         readline_support="auto"
 299 else if test "x$readline_support" != "xauto" \
 300                 && test "x$readline_support" != "xno" \
 301                 && test "x$readline_support" != "xlibedit" \
 302                 && test "x$readline_support" != "xlibreadline"; then
 303         AC_MSG_ERROR([Invalid value for option --with-readline=$readline_support (expected "yes", "no", "auto", "libedit", or "libreadline")])
 304 fi; fi
 305
 306 have_libedit="no"
 307 if test "x$readline_support" = "xauto" \
 308                 || test "x$readline_support" = "xlibedit"; then
 309         PKG_CHECK_MODULES([LIBEDIT], [libedit],
 310                         [have_libedit="yes"], [have_libedit="no"])
 311         if test "x$have_libedit" = "xyes"; then
 312                 AC_CHECK_HEADERS([editline/readline.h], [],
 313                                 [AC_CHECK_HEADERS([readline.h], [],
 314                                                 [have_libedit="no (readline header not found"])])
 315         fi
 316         if test "x$have_libedit" = "xyes"; then
 317                 AC_CHECK_HEADERS([editline/history.h], [],
 318                                 [AC_CHECK_HEADERS([history.h], [],
 319                                                 [have_libedit="no (history header not found"])])
 320         fi
 321 else
 322         have_libedit="disabled on command-line"
 323 fi
 324
 325 have_libreadline="no"
 326 if test "x$have_libedit" != "xyes"; then
 327         if test "x$readline_support" = "xauto" \
 328                         || test "x$readline_support" = "xlibreadline"; then
 329                 AC_CHECK_LIB([readline], [readline],
 330                                 [have_libreadline="yes"],
 331                                 [have_libreadline="no (libreadline or symbol 'readline' not found)"])
 332         fi
 333         if test "x$have_libreadline" = "xyes"; then
 334                 AC_CHECK_HEADERS([readline/readline.h], [],
 335                                 [AC_CHECK_HEADERS([readline.h], [],
 336                                                 [have_libreadline="no (readline header not found"])])
 337         fi
 338         if test "x$have_libreadline" = "xyes"; then
 339                 AC_CHECK_HEADERS([readline/history.h], [],
 340                                 [AC_CHECK_HEADERS([history.h], [],
 341                                                 [have_libreadline="no (history header not found"])])
 342         fi
 343 else
 344         have_libreadline="unchecked (prefer libedit)"
 345 fi
 346
 347 if test "x$have_libedit" = "xyes"; then
 348         READLINE_LIBS="$LIBEDIT_LIBS"
 349         READLINE_CFLAGS="$LIBEDIT_CFLAGS"
 350         readline_support="libedit"
 351 else if test "x$have_libreadline" = "xyes"; then
 352         READLINE_LIBS="-lreadline -lhistory"
 353         READLINE_CFLAGS=""
 354         readline_support="libreadline"
 355 else
 356         READLINE_LIBS=""
 357         READLINE_CFLAGS=""
 358         if test "x$readline_support" = "xno"; then
 359                 AC_MSG_WARN([*** readline support disabled; disabling SysDB client])
 360         else if test "x$readline_support" = "xauto"; then
 361                 AC_MSG_WARN([*** readline not found; disabling SysDB client])
 362         else
 363                 AC_MSG_ERROR([readline not found])
 364         fi; fi
 365         readline_support="no"
 366 fi; fi
 367 AC_SUBST([READLINE_LIBS])
 368 AC_SUBST([READLINE_CFLAGS])
 369 AM_CONDITIONAL([BUILD_CLIENT], test "x$readline_support" != "no")
 370
 371 dnl Feature checks.
 372 build_documentation="yes"
 373
 374 have_xmlto="yes"
 375 AC_PATH_PROG([XMLTO], [xmlto])
 376 if test "x$XMLTO" = "x"; then
 377         have_xmlto="no"
 378         build_documentation="no (missing xmlto)"
 379 fi
 380
 381 have_xsltproc="yes"
 382 AC_PATH_PROG([XSLTPROC], [xsltproc])
 383 if test "x$XSLTPROC" = "x"; then
 384        have_xsltproc="no"
 385        build_documentation="no (missing xsltproc)"
 386 fi
 387
 388 have_a2x="yes"
 389 AC_PATH_PROG([A2X], [a2x])
 390 if test "x$A2X" = "x"; then
 391        have_a2x="no"
 392        build_documentation="no (missing a2x)"
 393 fi
 394 AC_SUBST([A2X])
 395
 396 dnl Plugin checks.
 397 puppet_storeconfigs_default=$with_libdbi
 398 if test "x$puppet_storeconfigs_default" != "xyes"; then
 399         puppet_storeconfigs_default="no (requires libdbi)"
 400 fi
 401
 402 m4_divert_once([HELP_ENABLE], [
 403 Backends:])
 404
 405 AC_SDB_PLUGIN_INIT
 406 AC_SDB_PLUGIN([collectd], [yes],
 407                 [backend accessing the system statistics collection daemon])
 408 AC_SDB_PLUGIN([mk-livestatus], [yes],
 409                 [backend accessing Nagios/Icinga/Shinken using MK Livestatus])
 410 AC_SDB_PLUGIN([puppet-storeconfigs], [$puppet_storeconfigs_default],
 411                 [backend accessing the Puppet stored configuration database])
 412
 413 m4_divert_once([HELP_ENABLE], [
 414 Plugins:])
 415
 416 AC_SDB_PLUGIN([cname-dns], [yes],
 417                 [canonicalize hostnames by querying DNS])
 418 AC_SDB_PLUGIN([syslog], [yes],
 419                 [plugin logging to syslog])
 420
 421 AM_CONDITIONAL([BUILD_DOCUMENTATION], test "x$build_documentation" = "xyes")
 422 AM_CONDITIONAL([BUILD_TESTING], test "x$build_testing" = "xyes")
 423
 424 AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile
 425                 src/liboconfig/Makefile t/Makefile])
 426 AC_OUTPUT
 427
 428 BUILD_DATE="`date --utc '+%F %T'` (UTC)"
 429
 430 AC_MSG_RESULT()
 431 AC_MSG_RESULT([$PACKAGE_NAME has been configured successfully.])
 432 AC_MSG_RESULT()
 433 AC_MSG_RESULT([Run 'make' to compile the software and use 'make install' to])
 434 AC_MSG_RESULT([install the package into $prefix.])
 435 AC_MSG_RESULT()
 436 AC_MSG_RESULT([Configuration summary:])
 437 AC_MSG_RESULT()
 438 AC_MSG_RESULT([  package version: $PACKAGE_VERSION])
 439 AC_MSG_RESULT([  build date: $BUILD_DATE])
 440 AC_MSG_RESULT()
 441 AC_MSG_RESULT([  Tools:])
 442 AC_MSG_RESULT([    AsciiDoc (a2x): . . . . . . $have_a2x])
 443 AC_MSG_RESULT([    xmlto / xsltproc: . . . . . $have_xmlto / $have_xsltproc])
 444 AC_MSG_RESULT()
 445 AC_MSG_RESULT([  Features:])
 446 AC_MSG_RESULT([    documentation:  . . . . . . $build_documentation])
 447 AC_MSG_RESULT([    unit testing: . . . . . . . $build_testing])
 448 AC_MSG_RESULT([      stdio mocking:  . . . . . $have_fopencookie])
 449 AC_MSG_RESULT([    coverage testing: . . . . . $enable_gcov])
 450 AC_MSG_RESULT()
 451 AC_MSG_RESULT([  Libraries:])
 452 AC_MSG_RESULT([    libdbi: . . . . . . . . . . $with_libdbi])
 453 AC_MSG_RESULT([    libedit:  . . . . . . . . . $have_libedit])
 454 AC_MSG_RESULT([    libreadline:  . . . . . . . $have_libreadline])
 455 AC_MSG_RESULT()
 456 AC_MSG_RESULT([  Backends:])
 457 AC_MSG_RESULT([    collectd: . . . . . . . . . $enable_collectd])
 458 AC_MSG_RESULT([    mk-livestatus:  . . . . . . $enable_mk_livestatus])
 459 AC_MSG_RESULT([    puppet-storeconfigs:  . . . $enable_puppet_storeconfigs])
 460 AC_MSG_RESULT()
 461 AC_MSG_RESULT([  Plugins:])
 462 AC_MSG_RESULT([    cname::dns: . . . . . . . . $enable_cname_dns])
 463 AC_MSG_RESULT([    syslog: . . . . . . . . . . $enable_syslog])
 464 AC_MSG_RESULT()
 465 AC_MSG_RESULT([This package is maintained by $PACKAGE_MAINTAINER.])
 466 AC_MSG_RESULT([Please report bugs to $PACKAGE_BUGREPORT.])
 467 AC_MSG_RESULT()
 468
 469 dnl vim: set tw=78 sw=4 ts=4 noexpandtab :