mdw@git.distorted.org.uk Git - 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_server=yes
  33 want_gtk=yes
  34 want_python=yes
  35
  36 case "$host" in
  37 *linux* | *Linux* )
  38   want_alsa=yes
  39   ;;
  40 * )
  41   want_alsa=no
  42   ;;
  43 esac
  44
  45 # Checks for programs.
  46 AC_PROG_CC
  47 AC_SET_MAKE
  48 if test "x$GCC" = xyes; then
  49   gcc_werror=-Werror
  50 else
  51   gcc_werror=""
  52 fi
  53
  54 AC_ARG_WITH([server],
  55             [AS_HELP_STRING([--without-server],
  56                             [do not build server])],
  57             [want_server=$withval])
  58 AC_ARG_WITH([gtk],
  59             [AS_HELP_STRING([--without-gtk],
  60                             [do not build GTK+ client])],
  61             [want_gtk=$withval])
  62 AC_ARG_WITH([python],
  63             [AS_HELP_STRING([--without-python],
  64                             [do not build Python support])],
  65             [want_python=$withval])
  66
  67 subdirs="scripts lib clients doc examples debian"
  68
  69 if test $want_server = yes; then
  70   subdirs="${subdirs} server plugins driver templates sounds images"
  71 fi
  72 if test $want_python = yes; then
  73   AM_PATH_PYTHON
  74   subdirs="${subdirs} python"
  75 fi
  76 if test $want_gtk = yes; then
  77   subdirs="${subdirs} disobedience"
  78   if test $want_server = no; then
  79     subdirs="${subdirs} images"
  80   fi
  81 fi
  82 subdirs="${subdirs} tests"
  83 AC_SUBST([subdirs])
  84
  85 # libtool config
  86 AC_LIBTOOL_DLOPEN
  87 AC_DISABLE_STATIC
  88
  89 AC_PROG_LIBTOOL
  90
  91 missing_libraries=""
  92 missing_headers=""
  93 missing_functions=""
  94
  95 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
  96
  97 # Macs might have libraries under fink's root
  98 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
  99 if test "x$FINK" != xnone; then
 100   AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
 101     rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
 102   ])
 103   finkbindir="${rjk_cv_finkprefix}/bin"
 104   CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
 105   if test $want_server = yes; then
 106     CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
 107   fi
 108   LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
 109 else
 110   finkbindir=""
 111 fi
 112 AC_SUBST([finkbindir])
 113
 114 # Checks for libraries.
 115 # We save up a list of missing libraries that we can't do without
 116 # and report them all at once.
 117 AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
 118             [missing_libraries="$missing_libraries libgc"])
 119 AC_CHECK_LIB(gcrypt, gcry_md_open,
 120              [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
 121             [missing_libraries="$missing_libraries libgcrypt"])
 122 AC_CHECK_LIB(pcre, pcre_compile,
 123              [AC_SUBST(LIBPCRE,[-lpcre])],
 124              [missing_libraries="$missing_libraries libpcre"])
 125 if test $want_server = yes; then
 126   RJK_CHECK_LIB(db, db_create, [#include <db.h>],
 127                [AC_SUBST(LIBDB,[-ldb])],
 128                [missing_libraries="$missing_libraries libdb"])
 129   AC_CHECK_LIB(vorbis, vorbis_info_clear,
 130                [:],
 131                [missing_libraries="$missing_libraries libvorbis"])
 132   AC_CHECK_LIB(vorbisfile, ov_open,
 133                [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
 134                [missing_libraries="$missing_libraries libvorbisfile"],
 135                [-lvorbis])
 136   AC_CHECK_LIB(mad, mad_stream_init,
 137                [AC_SUBST(LIBMAD,[-lmad])],
 138                [missing_libraries="$missing_libraries libmad"])
 139   AC_CHECK_LIB([ao], [ao_initialize],
 140                [AC_SUBST(LIBAO,[-lao])],
 141                [missing_libraries="$missing_libraries libao"])
 142   if test $want_alsa = yes; then
 143     AC_CHECK_LIB([asound], [snd_pcm_open],
 144                  [AC_SUBST(LIBASOUND,[-lasound])],
 145                  [missing_libraries="$missing_libraries libasound"])
 146     AC_DEFINE([API_ALSA],[1],[define to use the ALSA API])
 147   fi
 148 fi
 149
 150 if test $want_gtk = yes; then
 151   AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
 152   AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
 153 fi
 154
 155 # Some platforms have iconv already
 156 AC_CHECK_FUNC(iconv_open, [:],
 157               [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
 158                             [AC_SUBST(LIBICONV,[-liconv])],
 159                             [missing_functions="$missing_functions iconv_open"])])
 160 AC_CHECK_FUNC([gethostbyname],[:],[
 161   AC_CHECK_LIB(nsl,gethostbyname,
 162                [AC_SUBST(LIBNSL,[-lnsl])],
 163                [missing_functions="$missing_functions gethostbyname"])])
 164 AC_CHECK_FUNC([socket],[:],[
 165   AC_CHECK_LIB(socket,socket,
 166                [AC_SUBST(LIBSOCKET,[-lsocket])],
 167                [missing_functions="$missing_functions socket"])])
 168 AC_CHECK_FUNC([dlopen],[:],[
 169   AC_CHECK_LIB(dl,dlopen,
 170                [AC_SUBST(LIBDL,[-ldl])],
 171                [missing_functions="$missing_functions dlopen"])])
 172
 173 if test ! -z "$missing_libraries"; then
 174   AC_MSG_ERROR([missing libraries:$missing_libraries])
 175 fi
 176
 177 # We require that libpcre support UTF-8
 178 RJK_REQUIRE_PCRE_UTF8([-lpcre])
 179
 180 # Checks for header files.
 181 RJK_FIND_GC_H
 182 AC_CHECK_HEADERS([inttypes.h CoreAudio/AudioHardware.h])
 183 # Compilation will fail if any of these headers are missing, so we
 184 # check for them here and fail early.
 185 # We don't bother checking very standard stuff
 186 if test $want_server = yes; then
 187   AC_CHECK_HEADERS([db.h],[:],[
 188     missing_headers="$missing_headers $ac_header"
 189   ])
 190   AC_CHECK_HEADERS([sys/soundcard.h]) dnl can cope without
 191 fi
 192 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
 193                  getopt.h iconv.h langinfo.h \
 194                  pcre.h sys/ioctl.h \
 195                  syslog.h unistd.h],[:],[
 196   missing_headers="$missing_headers $ac_header"
 197 ])
 198
 199 if test ! -z "$missing_headers"; then
 200   AC_MSG_ERROR([missing headers:$missing_headers])
 201 fi
 202
 203 # Checks for typedefs, structures, and compiler characteristics.
 204 AC_C_CONST
 205 AC_TYPE_SIZE_T
 206 AC_C_INLINE
 207 AC_C_BIGENDIAN
 208 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
 209 #include <netinet/in.h>])
 210
 211 # enable -Werror when we check for certain characteristics:
 212
 213 old_CFLAGS="${CFLAGS}"
 214 CFLAGS="${CFLAGS} $gcc_werror"
 215 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
 216
 217 # Some GCC invocations warn for converting function pointers to void *.
 218 # This is fair enough, as it's technically forbidden, but we use dlsym()
 219 # which can pretty much only exist if object and function pointers are
 220 # interconvertable.  So we disable -Werror if need be.
 221 if test ! -z "$gcc_werror"; then
 222   AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
 223                  [rjk_cv_function_pointer_cast],[
 224     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 225   void somefunction(void);],
 226                       [(void *)somefunction])],
 227                       [rjk_cv_function_pointer_cast=yes],
 228                       [rjk_cv_function_pointer_cast=no])])
 229   if test $rjk_cv_function_pointer_cast = no; then
 230     gcc_werror=""
 231   fi
 232 fi
 233
 234 CFLAGS="${old_CFLAGS}"
 235
 236 # gcrypt maintainers keep changing everything.  Design your interface
 237 # first, then implement it once, rather than getting it wrong three or
 238 # four times and shipping between each attempt.
 239 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
 240                [rjk_cv_gcrypt_hash_handle],[
 241   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 242 #include <gcrypt.h>
 243 ],
 244                [gcry_md_hd_t h;])],
 245                [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
 246     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 247 #include <gcrypt.h>
 248 ],
 249                  [GcryMDHd h;])],
 250                  [rjk_cv_gcrypt_hash_handle=GcryMDHd],
 251                  [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
 252 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
 253                    [libgcrypt hash handle type])
 254
 255 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
 256                [rjk_cv_have_gcry_error_t],[
 257   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 258 #include <gcrypt.h>
 259 ],
 260                  [gcry_error_t e;])],
 261                  [rjk_cv_have_gcry_error_t=yes],
 262                  [rjk_cv_have_gcry_error_t=no])])
 263 if test $rjk_cv_have_gcry_error_t = yes; then
 264   AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
 265 fi
 266
 267 # Checks for functions
 268 if test $ac_cv_type_long_long = yes; then
 269   AC_CHECK_FUNCS([atoll strtoll],[:],[
 270     missing_functions="$missing_functions $ac_func"
 271   ])
 272   # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
 273   AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
 274                  [rjk_cv_strtoll_declared],[
 275     AC_EGREP_HEADER([strtoll], [stdlib.h],
 276                     [rjk_cv_strtoll_declared=yes],
 277                     [rjk_cv_strtoll_declared=no])])
 278   if test $rjk_cv_strtoll_declared = yes; then
 279     AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
 280   fi
 281   AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
 282                  [rjk_cv_atoll_declared],[
 283     AC_EGREP_HEADER([atoll], [stdlib.h],
 284                     [rjk_cv_atoll_declared=yes],
 285                     [rjk_cv_atoll_declared=no])])
 286   if test $rjk_cv_atoll_declared = yes; then
 287     AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
 288   fi
 289 fi
 290 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
 291   missing_functions="$missing_functions $ac_func"
 292 ])
 293 # fsync will do if fdatasync not available
 294 AC_CHECK_FUNCS([fdatasync],[:],[
 295   AC_CHECK_FUNCS([fsync],
 296                  [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
 297                  [missing_functions="$missing_functions fdatasync"])])
 298 if test ! -z "$missing_functions"; then
 299   AC_MSG_ERROR([missing functions:$missing_functions])
 300 fi
 301 if test $want_server = yes; then
 302   # <db.h> had better be version 3 or later
 303   AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
 304     AC_PREPROC_IFELSE([
 305                        #include <db.h>
 306                        #ifndef DB_VERSION_MAJOR
 307                        # error cannot determine db version
 308                        #endif
 309                        #if DB_VERSION_MAJOR < 4
 310                        # error inadequate db version
 311                        #endif
 312                        #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
 313                        # error inadequate db version
 314                        #endif
 315                       ],
 316                       [rjk_cv_db_version=ok],
 317                       [rjk_cv_db_version=inadequate])
 318   ])
 319   if test $rjk_cv_db_version != ok; then
 320     AC_MSG_ERROR([need db.h version at least 4.2])
 321   fi
 322 fi
 323
 324 if test "x$GCC" = xyes; then
 325   # a reasonable default set of warnings
 326   CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
 327         -Wwrite-strings -Wmissing-prototypes \
 328         -Wmissing-declarations -Wnested-externs"
 329
 330   # Fix up GTK+ and GLib compiler flags
 331   GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
 332   GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
 333
 334   # GCC 2.95 doesn't know to ignore warnings from system headers
 335   AC_CACHE_CHECK([whether -Werror is usable],
 336                   rjk_cv_werror, [
 337     save_CFLAGS="${CFLAGS}"
 338     CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
 339     AC_TRY_COMPILE([#include <gtk/gtk.h>],
 340                    [],
 341                    [rjk_cv_werror=yes],
 342                    [rjk_cv_werror=no])
 343     CFLAGS="${save_CFLAGS}"
 344   ])
 345   if test $rjk_cv_werror = no; then
 346     gcc_werror=''
 347   fi
 348   CC="${CC} $gcc_werror"
 349
 350   # for older GCCs that don't know %ju (etc)
 351   AC_CACHE_CHECK([whether -Wno-format is required],
 352                  rjk_cv_noformat,
 353                  AC_TRY_COMPILE([#include <stdio.h>
 354 #include <stdint.h>
 355 ],
 356                                 [printf("%ju", (uintmax_t)0);],
 357                                 [rjk_cv_noformat=no],
 358                                 [rjk_cv_noformat=yes]))
 359   if test $rjk_cv_noformat = yes; then
 360     CC="${CC} -Wno-format"
 361   fi
 362
 363   AC_CACHE_CHECK([whether -Wshadow is OK],
 364                  rjk_cv_shadow,
 365                  oldCC="${CC}"
 366                  CC="${CC} -Wshadow"
 367                  [AC_TRY_COMPILE([
 368 #include <unistd.h>
 369 #include <vorbis/vorbisfile.h>
 370 ],
 371                                 [],
 372                                 [rjk_cv_shadow=yes],
 373                                 [rjk_cv_shadow=no])
 374                  CC="${oldCC}"])
 375   if test $rjk_cv_shadow = yes; then
 376     CC="${CC} -Wshadow"
 377   fi
 378
 379
 380 fi
 381
 382 AH_BOTTOM([#ifdef __GNUC__
 383 # define attribute(x) __attribute__(x)
 384 #else
 385 # define attribute(x)
 386 #endif])
 387
 388 AC_CONFIG_FILES([Makefile
 389                  templates/Makefile
 390                  images/Makefile
 391                  scripts/Makefile
 392                  lib/Makefile
 393                  server/Makefile
 394                  clients/Makefile
 395                  disobedience/Makefile
 396                  doc/Makefile
 397                  plugins/Makefile
 398                  driver/Makefile
 399                  debian/Makefile
 400                  sounds/Makefile
 401                  python/Makefile
 402                  examples/Makefile
 403                  tests/Makefile])
 404 AC_OUTPUT