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 $ret
  80 }
  81
  82 STRICT_CFLAGS=""
  83
  84 m4_divert_once([HELP_ENABLE], [
  85 Build options:])
  86
  87 dnl Optionally stick to standard C99 and POSIX:2001 as close as possible.
  88 AC_ARG_ENABLE([standards],
  89                 AS_HELP_STRING([--enable-standards],
  90                                 [C99 / POSIX standards compliance mode @<:@default=no@:>@]),
  91                 [enable_standards="$enableval"],
  92                 [enable_standards="no"])
  93
  94 if test "x$enable_standards" = "xyes"; then
  95         AC_DEFINE([_ISOC99_SOURCE], 1,
  96                         [Define to enforce ISO/IEC 9899:1999 (C99) compliance.])
  97         AC_DEFINE([_POSIX_C_SOURCE], 200112L,
  98                         [Define to enforce IEEE 1003.1-2001 (POSIX:2001) compliance.])
  99         AC_DEFINE([_XOPEN_SOURCE], 700,
 100                         [Define to enforce X/Open 7 (XSI) compliance.])
 101         AC_DEFINE([_REENTRANT], 1,
 102                         [Define to enable reentrant interfaces.])
 103         AC_DEFINE([_THREAD_SAFE], 1,
 104                         [Define to enable reentrant interfaces.])
 105
 106         dnl GNU libc defines strcasecmp() only when using _BSD_SOURCE even though
 107         dnl the function is conforming to POSIX.1-2001 as well. Let's weaken
 108         dnl strict standards compliance a bit to work around this.
 109         AC_DEFINE([_BSD_SOURCE], 1, [Define to enable 4.3BSD support.])
 110
 111         for flag in -std=c99; do
 112                 AC_MSG_CHECKING([whether $CC accepts $flag])
 113
 114                 if test_cc_flags $flag; then
 115                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 116                         AC_MSG_RESULT([yes])
 117                 else
 118                         AC_MSG_RESULT([no])
 119                 fi
 120         done
 121 fi
 122
 123 dnl Hardening (see e.g. http://wiki.debian.org/Hardening for a motivation).
 124 AC_DEFINE([_FORTIFY_SOURCE], 2,
 125                 [Define to enable protection against static sized buffer overflows.])
 126 AC_ARG_ENABLE([hardening],
 127                 AS_HELP_STRING([--disable-hardening],
 128                                 [hardening options @<:@default=yes@:>@]),
 129                 [enable_hardening="$enableval"],
 130                 [enable_hardening="yes"])
 131
 132 if test "x$enable_hardening" = "xyes"; then
 133         hardening=0
 134         hardening_tests=0
 135         for flag in -Wformat -Wformat-security; do
 136                 hardening_tests=$(($hardening_tests + 1))
 137                 AC_MSG_CHECKING([whether $CC accepts $flag])
 138
 139                 if test_cc_flags $flag; then
 140                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 141                         hardening=$(($hardening + 1))
 142                         AC_MSG_RESULT([yes])
 143                 else
 144                         AC_MSG_RESULT([no])
 145                 fi
 146         done
 147         if test $hardening -ne $hardening_tests; then
 148                 AC_MSG_WARN(
 149                                 [Some hardening options are not supported by your compiler!])
 150         fi
 151 fi
 152
 153 dnl Strict checking for potential problems.
 154 AC_ARG_ENABLE([strict-checks],
 155                 AS_HELP_STRING([--disable-strict-checks],
 156                                 [strict compiler checks @<:@default=yes@:>@]),
 157                 [enable_strict_checks="$enableval"],
 158                 [enable_strict_checks="yes"])
 159
 160 for flag in -Wall -Werror; do
 161         AC_MSG_CHECKING([whether $CC accepts $flag])
 162
 163         if test_cc_flags $flag; then
 164                 STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 165                 AC_MSG_RESULT([yes])
 166         else
 167                 AC_MSG_RESULT([no])
 168         fi
 169 done
 170
 171 if test "x$enable_strict_checks" = "xyes"; then
 172         dnl -Wsign-conversion may cause problems in expanded macros from libc
 173         for flag in -Wextra \
 174                         -Wbad-function-cast \
 175                         -Wcast-align \
 176                         -Wcast-qual \
 177                         -Wconversion \
 178                         -Wno-sign-conversion \
 179                         -Wdeclaration-after-statement \
 180                         -Wmissing-prototypes \
 181                         -Wpointer-arith \
 182                         -Wshadow \
 183                         -Wstrict-prototypes; do
 184                 AC_MSG_CHECKING([whether $CC accepts $flag])
 185
 186                 if test_cc_flags $flag; then
 187                         STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 188                         AC_MSG_RESULT([yes])
 189                 else
 190                         AC_MSG_RESULT([no])
 191                 fi
 192         done
 193 fi
 194 AC_SUBST([STRICT_CFLAGS])
 195
 196 AC_ARG_ENABLE([gcov],
 197                 AS_HELP_STRING([--enable-gcov],
 198                                 [Gcov coverage statistics @<:@default=no@:>@]),
 199                 [enable_gcov="$enableval"],
 200                 [enable_gcov="no"])
 201
 202 dnl $GCC is based on some heuristics which might apply to clang as well.
 203 dnl However, clang does not support gcov.
 204 cc_is_gcc="no"
 205 case "x$CC" in
 206         xgcc)
 207                 cc_is_gcc="yes"
 208                 ;;
 209         xgcc-*)
 210                 cc_is_gcc="yes"
 211                 ;;
 212 esac
 213
 214 COVERAGE_CFLAGS=""
 215 COVERAGE_LDFLAGS=""
 216 if test "x$enable_gcov" = "xyes" && test "x$GCC$cc_is_gcc" == "xyesyes"; then
 217         COVERAGE_CFLAGS="-O0"
 218         cov_flag_have_problem="no"
 219
 220         AC_MSG_CHECKING([whether $CC accepts --coverage])
 221         if test_cc_flags --coverage; then
 222                 COVERAGE_CFLAGS="$COVERAGE_CFLAGS --coverage"
 223                 COVERAGE_LDFLAGS="$COVERAGE_LDFLAGS --coverage"
 224                 AC_MSG_RESULT([yes])
 225         else
 226                 AC_MSG_RESULT([no])
 227                 cov_flag_have_problem="yes"
 228         fi
 229
 230         for flag in -fno-inline; do
 231                 AC_MSG_CHECKING([whether $CC accepts $flag])
 232                 if test_cc_flags $flag; then
 233                         COVERAGE_CFLAGS="$COVERAGE_CFLAGS $flag"
 234                         AC_MSG_RESULT([yes])
 235                 else
 236                         AC_MSG_RESULT([no])
 237                         cov_flag_have_problem="yes"
 238                 fi
 239         done
 240
 241         if test "x$cov_flag_have_problem" != "xno"; then
 242                 AC_MSG_WARN([Some coverage flags are not supported by your compiler!])
 243         fi
 244 else if test "x$enable_gcov" = "xyes"; then
 245         AC_MSG_WARN([Your compiler ($CC) is not known to support Gcov!])
 246         enable_gcov="no (requires GCC)"
 247 fi; fi
 248 AC_SUBST([COVERAGE_CFLAGS])
 249 AC_SUBST([COVERAGE_LDFLAGS])
 250
 251 m4_divert_once([HELP_ENABLE], [
 252 Build dependencies:])
 253
 254 dnl Testing.
 255 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],
 256                 [build_testing="yes"], [build_testing="no"])
 257
 258 AC_CHECK_HEADERS(libgen.h)
 259
 260 dnl Check for dependencies.
 261 AC_ARG_WITH([libdbi],
 262                 [AS_HELP_STRING([--with-libdbi], [libdbi support (default: auto)])],
 263                 [with_libdbi="$withval"],
 264                 [with_libdbi="yes"])
 265 if test "x$with_libdbi" = "xyes" || test "x$with_libdbi" = "xauto"; then
 266         AC_CHECK_HEADERS([dbi/dbi.h],
 267                         [with_libdbi="yes"],
 268                         [with_libdbi="no (dbi/dbi.h not found)"])
 269 else if test "x$with_libdbi" = "xno"; then
 270         with_libdbi="$with_libdbi (disabled on command-line)"
 271 else
 272         AC_MSG_ERROR([Invalid value for option --with-libdbi=$with_libdbi (expected "yes", "no", or "auto")])
 273 fi; fi
 274 if test "x$with_libdbi" = "xyes"; then
 275         AC_CHECK_LIB([dbi], [dbi_initialize],
 276                         [with_libdbi="yes"],
 277                         [with_libdbi="no (libdbi or symbol 'dbi_initialize' not found)"])
 278 fi
 279 AM_CONDITIONAL([BUILD_WITH_LIBDBI], test "x$with_libdbi" = "xyes")
 280
 281 dnl Required for mocking FILE related functions.
 282 orig_CFLAGS="$CFLAGS"
 283 CFLAGS="$CFLAGS -D_GNU_SOURCE"
 284 AC_CHECK_FUNCS([fopencookie],
 285                 [have_fopencookie="yes"],
 286                 [have_fopencookie="no (fopencookie not available)"])
 287 CFLAGS="$orig_CFLAGS"
 288 AM_CONDITIONAL([BUILD_WITH_FOPENCOOKIE], test "x$have_fopencookie" = "xyes")
 289 if test "x$have_fopencookie" = "xyes"; then
 290         AC_DEFINE([HAVE_FOPENCOOKIE], 1)
 291 fi
 292
 293 dnl readline support
 294 AC_ARG_WITH([readline],
 295                 [AS_HELP_STRING([--with-readline],
 296                         [readline support (libedit/libreadline) (default: auto, prefer libedit)])],
 297                 [readline_support="$withval"],
 298                 [readline_support="auto"])
 299
 300 if test "x$readline_support" = "xyes"; then
 301         readline_support="auto"
 302 else if test "x$readline_support" != "xauto" \
 303                 && test "x$readline_support" != "xno" \
 304                 && test "x$readline_support" != "xlibedit" \
 305                 && test "x$readline_support" != "xlibreadline"; then
 306         AC_MSG_ERROR([Invalid value for option --with-readline=$readline_support (expected "yes", "no", "auto", "libedit", or "libreadline")])
 307 fi; fi
 308
 309 have_libedit="no"
 310 if test "x$readline_support" = "xauto" \
 311                 || test "x$readline_support" = "xlibedit"; then
 312         PKG_CHECK_MODULES([LIBEDIT], [libedit],
 313                         [have_libedit="yes"], [have_libedit="no"])
 314         if test "x$have_libedit" = "xyes"; then
 315                 AC_CHECK_HEADERS([editline/readline.h], [],
 316                                 [AC_CHECK_HEADERS([readline.h], [],
 317                                                 [have_libedit="no (readline header not found"])])
 318         fi
 319         if test "x$have_libedit" = "xyes"; then
 320                 AC_CHECK_HEADERS([editline/history.h], [],
 321                                 [AC_CHECK_HEADERS([history.h], [],
 322                                                 [have_libedit="no (history header not found"])])
 323         fi
 324 else
 325         have_libedit="disabled on command-line"
 326 fi
 327
 328 have_libreadline="no"
 329 if test "x$have_libedit" != "xyes"; then
 330         if test "x$readline_support" = "xauto" \
 331                         || test "x$readline_support" = "xlibreadline"; then
 332                 AC_CHECK_LIB([readline], [readline],
 333                                 [have_libreadline="yes"],
 334                                 [have_libreadline="no (libreadline or symbol 'readline' not found)"])
 335         fi
 336         if test "x$have_libreadline" = "xyes"; then
 337                 AC_CHECK_HEADERS([readline/readline.h], [],
 338                                 [AC_CHECK_HEADERS([readline.h], [],
 339                                                 [have_libreadline="no (readline header not found"])])
 340         fi
 341         if test "x$have_libreadline" = "xyes"; then
 342                 AC_CHECK_HEADERS([readline/history.h], [],
 343                                 [AC_CHECK_HEADERS([history.h], [],
 344                                                 [have_libreadline="no (history header not found"])])
 345         fi
 346 else
 347         have_libreadline="unchecked (prefer libedit)"
 348 fi
 349
 350 if test "x$have_libedit" = "xyes"; then
 351         READLINE_LIBS="$LIBEDIT_LIBS"
 352         READLINE_CFLAGS="$LIBEDIT_CFLAGS"
 353         readline_support="libedit"
 354 else if test "x$have_libreadline" = "xyes"; then
 355         READLINE_LIBS="-lreadline -lhistory"
 356         READLINE_CFLAGS=""
 357         readline_support="libreadline"
 358 else
 359         READLINE_LIBS=""
 360         READLINE_CFLAGS=""
 361         if test "x$readline_support" = "xno"; then
 362                 AC_MSG_WARN([*** readline support disabled; disabling SysDB client])
 363         else if test "x$readline_support" = "xauto"; then
 364                 AC_MSG_WARN([*** readline not found; disabling SysDB client])
 365         else
 366                 AC_MSG_ERROR([readline not found])
 367         fi; fi
 368         readline_support="no"
 369 fi; fi
 370 AC_SUBST([READLINE_LIBS])
 371 AC_SUBST([READLINE_CFLAGS])
 372 AM_CONDITIONAL([BUILD_CLIENT], test "x$readline_support" != "no")
 373
 374 dnl Feature checks.
 375 build_documentation="yes"
 376
 377 have_xmlto="yes"
 378 AC_PATH_PROG([XMLTO], [xmlto])
 379 if test "x$XMLTO" = "x"; then
 380         have_xmlto="no"
 381         build_documentation="no (missing xmlto)"
 382 fi
 383
 384 have_xsltproc="yes"
 385 AC_PATH_PROG([XSLTPROC], [xsltproc])
 386 if test "x$XSLTPROC" = "x"; then
 387        have_xsltproc="no"
 388        build_documentation="no (missing xsltproc)"
 389 fi
 390
 391 have_a2x="yes"
 392 AC_PATH_PROG([A2X], [a2x])
 393 if test "x$A2X" = "x"; then
 394        have_a2x="no"
 395        build_documentation="no (missing a2x)"
 396 fi
 397 AC_SUBST([A2X])
 398
 399 dnl Plugin checks.
 400 puppet_storeconfigs_default=$with_libdbi
 401 if test "x$puppet_storeconfigs_default" != "xyes"; then
 402         puppet_storeconfigs_default="no (requires libdbi)"
 403 fi
 404
 405 m4_divert_once([HELP_ENABLE], [
 406 Backends:])
 407
 408 AC_SDB_PLUGIN_INIT
 409 AC_SDB_PLUGIN([collectd], [yes],
 410                 [backend accessing the system statistics collection daemon])
 411 AC_SDB_PLUGIN([mk-livestatus], [yes],
 412                 [backend accessing Nagios/Icinga/Shinken using MK Livestatus])
 413 AC_SDB_PLUGIN([puppet-storeconfigs], [$puppet_storeconfigs_default],
 414                 [backend accessing the Puppet stored configuration database])
 415
 416 m4_divert_once([HELP_ENABLE], [
 417 Plugins:])
 418
 419 AC_SDB_PLUGIN([cname-dns], [yes],
 420                 [canonicalize hostnames by querying DNS])
 421 AC_SDB_PLUGIN([syslog], [yes],
 422                 [plugin logging to syslog])
 423
 424 AM_CONDITIONAL([BUILD_DOCUMENTATION], test "x$build_documentation" = "xyes")
 425 AM_CONDITIONAL([BUILD_TESTING], test "x$build_testing" = "xyes")
 426
 427 AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile
 428                 src/liboconfig/Makefile t/Makefile])
 429 AC_OUTPUT
 430
 431 BUILD_DATE="`date --utc '+%F %T'` (UTC)"
 432
 433 AC_MSG_RESULT()
 434 AC_MSG_RESULT([$PACKAGE_NAME has been configured successfully.])
 435 AC_MSG_RESULT()
 436 AC_MSG_RESULT([Run 'make' to compile the software and use 'make install' to])
 437 AC_MSG_RESULT([install the package into $prefix.])
 438 AC_MSG_RESULT()
 439 AC_MSG_RESULT([Configuration summary:])
 440 AC_MSG_RESULT()
 441 AC_MSG_RESULT([  package version: $PACKAGE_VERSION])
 442 AC_MSG_RESULT([  build date: $BUILD_DATE])
 443 AC_MSG_RESULT()
 444 AC_MSG_RESULT([  Tools:])
 445 AC_MSG_RESULT([    AsciiDoc (a2x): . . . . . . $have_a2x])
 446 AC_MSG_RESULT([    xmlto / xsltproc: . . . . . $have_xmlto / $have_xsltproc])
 447 AC_MSG_RESULT()
 448 AC_MSG_RESULT([  Features:])
 449 AC_MSG_RESULT([    documentation:  . . . . . . $build_documentation])
 450 AC_MSG_RESULT([    unit testing: . . . . . . . $build_testing])
 451 AC_MSG_RESULT([      stdio mocking:  . . . . . $have_fopencookie])
 452 AC_MSG_RESULT([    coverage testing: . . . . . $enable_gcov])
 453 AC_MSG_RESULT()
 454 AC_MSG_RESULT([  Libraries:])
 455 AC_MSG_RESULT([    libdbi: . . . . . . . . . . $with_libdbi])
 456 AC_MSG_RESULT([    libedit:  . . . . . . . . . $have_libedit])
 457 AC_MSG_RESULT([    libreadline:  . . . . . . . $have_libreadline])
 458 AC_MSG_RESULT()
 459 AC_MSG_RESULT([  Backends:])
 460 AC_MSG_RESULT([    collectd: . . . . . . . . . $enable_collectd])
 461 AC_MSG_RESULT([    mk-livestatus:  . . . . . . $enable_mk_livestatus])
 462 AC_MSG_RESULT([    puppet-storeconfigs:  . . . $enable_puppet_storeconfigs])
 463 AC_MSG_RESULT()
 464 AC_MSG_RESULT([  Plugins:])
 465 AC_MSG_RESULT([    cname::dns: . . . . . . . . $enable_cname_dns])
 466 AC_MSG_RESULT([    syslog: . . . . . . . . . . $enable_syslog])
 467 AC_MSG_RESULT()
 468 AC_MSG_RESULT([This package is maintained by $PACKAGE_MAINTAINER.])
 469 AC_MSG_RESULT([Please report bugs to $PACKAGE_BUGREPORT.])
 470 AC_MSG_RESULT()
 471
 472 dnl vim: set tw=78 sw=4 ts=4 noexpandtab :