chiark - git - mdw - disorder/blob - configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #
   3 # This file is part of DisOrder.
   4 # Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19 # USA
  20 #
  21
  22 AC_INIT(disorder, 1.5.99+, richard+disorder@sfere.greenend.org.uk)
  23 AC_CONFIG_AUX_DIR([config.aux])
  24 AM_INIT_AUTOMAKE(disorder, 1.5.99+)
  25 AC_CONFIG_SRCDIR([server/disorderd.c])
  26 AM_CONFIG_HEADER([config.h])
  27
  28 # Find host type
  29 AC_CANONICAL_HOST
  30
  31 # What we want to build
  32 want_gtk=yes
  33 want_python=yes
  34
  35 # APIs we want
  36 want_alsa=yes
  37 want_oss=yes
  38 want_coreaudio=yes
  39
  40 # Checks for programs.
  41 AC_PROG_CC
  42 AC_SET_MAKE
  43 if test "x$GCC" = xyes; then
  44   gcc_werror=-Werror
  45 else
  46   gcc_werror=""
  47 fi
  48
  49 AC_ARG_WITH([alsa],
  50             [AS_HELP_STRING([--without-alsa],
  51                             [do not build with ALSA support])],
  52             [want_alsa=$withval])
  53 AC_ARG_WITH([oss],
  54             [AS_HELP_STRING([--without-oss],
  55                             [do not build with OSS support])],
  56             [want_oss=$withval])
  57 AC_ARG_WITH([coreaudio],
  58             [AS_HELP_STRING([--without-coreaudio],
  59                             [do not build with Core Audio support])],
  60             [want_coreaudio=$withval])
  61
  62 AC_MSG_CHECKING([for a known target platform])
  63 case "$host" in
  64 *empeg* )
  65   AC_MSG_RESULT([empeg car stereo])
  66   AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  67   # work around broken toolchain
  68   AC_CHECK_LIB([gpg-error], [gpg_strerror])
  69   AC_CHECK_LIB([pthread], [pthread_create])
  70   want_server=no
  71  ;;
  72 *linux* | *Linux* )
  73   AC_MSG_RESULT([Linux])
  74   want_server=yes
  75   ;;
  76 *-apple-darwin* )
  77   AC_MSG_RESULT([Mac OS X])
  78   want_server=yes
  79   if test $want_coreaudio = yes; then
  80     COREAUDIO="-framework CoreAudio"
  81   fi
  82   ;;
  83 * )
  84   AC_MSG_RESULT([unknown, winging it])
  85   want_server=no
  86   ;;
  87 esac
  88 AC_SUBST([COREAUDIO])
  89
  90 AC_ARG_WITH([server],
  91             [AS_HELP_STRING([--without-server],
  92                             [do not build server])],
  93             [want_server=$withval])
  94 AC_ARG_WITH([gtk],
  95             [AS_HELP_STRING([--without-gtk],
  96                             [do not build GTK+ client])],
  97             [want_gtk=$withval])
  98 AC_ARG_WITH([python],
  99             [AS_HELP_STRING([--without-python],
 100                             [do not build Python support])],
 101             [want_python=$withval])
 102
 103 subdirs="scripts lib clients doc examples debian"
 104
 105 if test $want_server = yes; then
 106   subdirs="${subdirs} server plugins driver templates sounds images"
 107 fi
 108 if test $want_python = yes; then
 109   AM_PATH_PYTHON
 110   subdirs="${subdirs} python"
 111 fi
 112 if test $want_gtk = yes; then
 113   subdirs="${subdirs} disobedience"
 114   if test $want_server = no; then
 115     subdirs="${subdirs} images"
 116   fi
 117 fi
 118 subdirs="${subdirs} tests"
 119 AC_SUBST([subdirs])
 120
 121 # libtool config
 122 AC_LIBTOOL_DLOPEN
 123 AC_DISABLE_STATIC
 124
 125 AC_PROG_LIBTOOL
 126
 127 missing_libraries=""
 128 missing_headers=""
 129 missing_functions=""
 130
 131 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
 132
 133 # Macs might have libraries under fink's root
 134 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
 135 if test "x$FINK" != xnone; then
 136   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 137     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 138   ])
 139   finkbindir="${rjk_cv_finkprefix}/bin"
 140   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 141   if test $want_server = yes; then
 142     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 143   fi
 144   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 145 else
 146   finkbindir=""
 147 fi
 148 AC_SUBST([finkbindir])
 149
 150 # Checks for libraries.
 151 # We save up a list of missing libraries that we can't do without
 152 # and report them all at once.
 153 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 154             [missing_libraries="$missing_libraries libgc"])
 155 AC_CHECK_LIB(gcrypt, gcry_md_open,
 156              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 157             [missing_libraries="$missing_libraries libgcrypt"])
 158 AC_CHECK_LIB(pcre, pcre_compile,
 159              [AC_SUBST(LIBPCRE,[-lpcre])],
 160              [missing_libraries="$missing_libraries libpcre"])
 161 if test $want_alsa = yes; then
 162   AC_CHECK_LIB([asound], [snd_pcm_open],
 163                [AC_SUBST(LIBASOUND,[-lasound])])
 164 fi
 165 if test $want_server = yes; then
 166   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 167                [AC_SUBST(LIBDB,[-ldb])],
 168                [missing_libraries="$missing_libraries libdb"])
 169   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 170                [:],
 171                [missing_libraries="$missing_libraries libvorbis"])
 172   AC_CHECK_LIB(vorbisfile, ov_open,
 173                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 174                [missing_libraries="$missing_libraries libvorbisfile"],
 175                [-lvorbis])
 176   AC_CHECK_LIB(mad, mad_stream_init,
 177                [AC_SUBST(LIBMAD,[-lmad])],
 178                [missing_libraries="$missing_libraries libmad"])
 179   AC_CHECK_LIB([ao], [ao_initialize],
 180                [AC_SUBST(LIBAO,[-lao])],
 181                [missing_libraries="$missing_libraries libao"])
 182   AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
 183                [AC_SUBST(LIBFLAC,[-lFLAC])],
 184                [missing_libraries="$missing_libraries libFLAC"])
 185 fi
 186
 187 if test $want_gtk = yes; then
 188   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 189   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 190 fi
 191
 192 # Some platforms have iconv already
 193 AC_CHECK_FUNC(iconv_open, [:],
 194               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 195                             [AC_SUBST(LIBICONV,[-liconv])],
 196                             [missing_functions="$missing_functions iconv_open"])])
 197 AC_CHECK_FUNC([gethostbyname],[:],[
 198   AC_CHECK_LIB(nsl,gethostbyname,
 199                [AC_SUBST(LIBNSL,[-lnsl])],
 200                [missing_functions="$missing_functions gethostbyname"])])
 201 AC_CHECK_FUNC([socket],[:],[
 202   AC_CHECK_LIB(socket,socket,
 203                [AC_SUBST(LIBSOCKET,[-lsocket])],
 204                [missing_functions="$missing_functions socket"])])
 205 AC_CHECK_FUNC([dlopen],[:],[
 206   AC_CHECK_LIB(dl,dlopen,
 207                [AC_SUBST(LIBDL,[-ldl])],
 208                [missing_functions="$missing_functions dlopen"])])
 209
 210 if test ! -z "$missing_libraries"; then
 211   AC_MSG_ERROR([missing libraries:$missing_libraries])
 212 fi
 213
 214 # We require that libpcre support UTF-8
 215 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 216
 217 # Checks for header files.
 218 RJK_FIND_GC_H
 219 if test $want_oss = yes; then
 220   AC_CHECK_HEADERS([sys/soundcard.h])
 221 fi
 222 if test $want_alsa = yes; then
 223   AC_CHECK_HEADERS([alsa/asoundlib.h])
 224 fi
 225 if test $want_coreaudio = yes; then
 226   AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
 227 fi
 228 AC_CHECK_HEADERS([inttypes.h])
 229 # We don't bother checking very standard stuff
 230 # Compilation will fail if any of these headers are missing, so we
 231 # check for them here and fail early.
 232 if test $want_server = yes; then
 233   AC_CHECK_HEADERS([db.h],[:],[
 234     missing_headers="$missing_headers $ac_header"
 235   ])
 236 fi
 237 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 238                  getopt.h iconv.h langinfo.h \
 239                  pcre.h sys/ioctl.h \
 240                  syslog.h unistd.h],[:],[
 241   missing_headers="$missing_headers $ac_header"
 242 ])
 243
 244 if test ! -z "$missing_headers"; then
 245   AC_MSG_ERROR([missing headers:$missing_headers])
 246 fi
 247
 248 # Checks for typedefs, structures, and compiler characteristics.
 249 AC_C_CONST
 250 AC_TYPE_SIZE_T
 251 AC_C_INLINE
 252 AC_C_BIGENDIAN
 253 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 254 #include <netinet/in.h>])
 255
 256 # enable -Werror when we check for certain characteristics:
 257
 258 old_CFLAGS="${CFLAGS}"
 259 CFLAGS="${CFLAGS} $gcc_werror"
 260 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 261
 262 # Some GCC invocations warn for converting function pointers to void *.
 263 # This is fair enough, as it's technically forbidden, but we use dlsym()
 264 # which can pretty much only exist if object and function pointers are
 265 # interconvertable.  So we disable -Werror if need be.
 266 if test ! -z "$gcc_werror"; then
 267   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 268                  [rjk_cv_function_pointer_cast],[
 269     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 270   void somefunction(void);],
 271                       [(void *)somefunction])],
 272                       [rjk_cv_function_pointer_cast=yes],
 273                       [rjk_cv_function_pointer_cast=no])])
 274   if test $rjk_cv_function_pointer_cast = no; then
 275     gcc_werror=""
 276   fi
 277 fi
 278
 279 CFLAGS="${old_CFLAGS}"
 280
 281 # gcrypt maintainers keep changing everything.  Design your interface
 282 # first, then implement it once, rather than getting it wrong three or
 283 # four times and shipping between each attempt.
 284 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 285                [rjk_cv_gcrypt_hash_handle],[
 286   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 287 #include <gcrypt.h>
 288 ],
 289                [gcry_md_hd_t h;])],
 290                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 291     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 292 #include <gcrypt.h>
 293 ],
 294                  [GcryMDHd h;])],
 295                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 296                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 297 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 298                    [libgcrypt hash handle type])
 299
 300 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 301                [rjk_cv_have_gcry_error_t],[
 302   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 303 #include <gcrypt.h>
 304 ],
 305                  [gcry_error_t e;])],
 306                  [rjk_cv_have_gcry_error_t=yes],
 307                  [rjk_cv_have_gcry_error_t=no])])
 308 if test $rjk_cv_have_gcry_error_t = yes; then
 309   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 310 fi
 311
 312 # Checks for functions
 313 if test $ac_cv_type_long_long = yes; then
 314   AC_CHECK_FUNCS([atoll strtoll],[:],[
 315     missing_functions="$missing_functions $ac_func"
 316   ])
 317   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 318   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 319                  [rjk_cv_strtoll_declared],[
 320     AC_EGREP_HEADER([strtoll], [stdlib.h],
 321                     [rjk_cv_strtoll_declared=yes],
 322                     [rjk_cv_strtoll_declared=no])])
 323   if test $rjk_cv_strtoll_declared = yes; then
 324     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 325   fi
 326   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 327                  [rjk_cv_atoll_declared],[
 328     AC_EGREP_HEADER([atoll], [stdlib.h],
 329                     [rjk_cv_atoll_declared=yes],
 330                     [rjk_cv_atoll_declared=no])])
 331   if test $rjk_cv_atoll_declared = yes; then
 332     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 333   fi
 334 fi
 335 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
 336   missing_functions="$missing_functions $ac_func"
 337 ])
 338 # fsync will do if fdatasync not available
 339 AC_CHECK_FUNCS([fdatasync],[:],[
 340   AC_CHECK_FUNCS([fsync],
 341                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 342                  [missing_functions="$missing_functions fdatasync"])])
 343 if test ! -z "$missing_functions"; then
 344   AC_MSG_ERROR([missing functions:$missing_functions])
 345 fi
 346 if test $want_server = yes; then
 347   # <db.h> had better be version 3 or later
 348   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 349     AC_PREPROC_IFELSE([
 350                        #include <db.h>
 351                        #ifndef DB_VERSION_MAJOR
 352                        # error cannot determine db version
 353                        #endif
 354                        #if DB_VERSION_MAJOR < 4
 355                        # error inadequate db version
 356                        #endif
 357                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
 358                        # error inadequate db version
 359                        #endif
 360                       ],
 361                       [rjk_cv_db_version=ok],
 362                       [rjk_cv_db_version=inadequate])
 363   ])
 364   if test $rjk_cv_db_version != ok; then
 365     AC_MSG_ERROR([need db.h version at least 4.2])
 366   fi
 367 fi
 368
 369 if test "x$GCC" = xyes; then
 370   # a reasonable default set of warnings
 371   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 372         -Wwrite-strings -Wmissing-prototypes \
 373         -Wmissing-declarations -Wnested-externs"
 374
 375   # Fix up GTK+ and GLib compiler flags
 376   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 377   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 378
 379   # GCC 2.95 doesn't know to ignore warnings from system headers
 380   AC_CACHE_CHECK([whether -Werror is usable],
 381                   rjk_cv_werror, [
 382     save_CFLAGS="${CFLAGS}"
 383     CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 384     AC_TRY_COMPILE([#include <gtk/gtk.h>],
 385                    [],
 386                    [rjk_cv_werror=yes],
 387                    [rjk_cv_werror=no])
 388     CFLAGS="${save_CFLAGS}"
 389   ])
 390   if test $rjk_cv_werror = no; then
 391     gcc_werror=''
 392   fi
 393   CC="${CC} $gcc_werror"
 394
 395   # for older GCCs that don't know %ju (etc)
 396   AC_CACHE_CHECK([whether -Wno-format is required],
 397                  rjk_cv_noformat,
 398                  AC_TRY_COMPILE([#include <stdio.h>
 399 #include <stdint.h>
 400 ],
 401                                 [printf("%ju", (uintmax_t)0);],
 402                                 [rjk_cv_noformat=no],
 403                                 [rjk_cv_noformat=yes]))
 404   if test $rjk_cv_noformat = yes; then
 405     CC="${CC} -Wno-format"
 406   fi
 407
 408   AC_CACHE_CHECK([whether -Wshadow is OK],
 409                  rjk_cv_shadow,
 410                  oldCC="${CC}"
 411                  CC="${CC} -Wshadow"
 412                  [AC_TRY_COMPILE([
 413 #include <unistd.h>
 414 #include <vorbis/vorbisfile.h>
 415 ],
 416                                 [],
 417                                 [rjk_cv_shadow=yes],
 418                                 [rjk_cv_shadow=no])
 419                  CC="${oldCC}"])
 420   if test $rjk_cv_shadow = yes; then
 421     CC="${CC} -Wshadow"
 422   fi
 423
 424
 425 fi
 426
 427 AH_BOTTOM([#ifdef __GNUC__
 428 # define attribute(x) __attribute__(x)
 429 #else
 430 # define attribute(x)
 431 #endif])
 432
 433 AC_CONFIG_FILES([Makefile
 434                  templates/Makefile
 435                  images/Makefile
 436                  scripts/Makefile
 437                  lib/Makefile
 438                  server/Makefile
 439                  clients/Makefile
 440                  disobedience/Makefile
 441                  doc/Makefile
 442                  plugins/Makefile
 443                  driver/Makefile
 444                  debian/Makefile
 445                  sounds/Makefile
 446                  python/Makefile
 447                  examples/Makefile
 448                  tests/Makefile])
 449 AC_OUTPUT