[disorder] / configure.ac

# Process this file with autoconf to produce a configure script.
#
# This file is part of DisOrder.
# Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
#

AC_INIT(disorder, 1.5.99+, richard+disorder@sfere.greenend.org.uk)
AC_CONFIG_AUX_DIR([config.aux])
AM_INIT_AUTOMAKE(disorder, 1.5.99+)
AC_CONFIG_SRCDIR([server/disorderd.c])
AM_CONFIG_HEADER([config.h])

# Find host type
AC_CANONICAL_HOST

# What we want to build
want_gtk=yes
want_python=yes

# APIs we want
want_alsa=yes
want_oss=yes
want_coreaudio=yes

# Checks for programs.
AC_PROG_CC
AC_SET_MAKE
if test "x$GCC" = xyes; then
  gcc_werror=-Werror
else
  gcc_werror=""
fi

AC_ARG_WITH([alsa],
	    [AS_HELP_STRING([--without-alsa],
			    [do not build with ALSA support])],
	    [want_alsa=$withval])
AC_ARG_WITH([oss],
	    [AS_HELP_STRING([--without-oss],
			    [do not build with OSS support])],
	    [want_oss=$withval])
AC_ARG_WITH([coreaudio],
	    [AS_HELP_STRING([--without-coreaudio],
			    [do not build with Core Audio support])],
	    [want_coreaudio=$withval])

AC_MSG_CHECKING([for a known target platform])
case "$host" in
*empeg* )
  AC_MSG_RESULT([empeg car stereo])
  AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  # work around broken toolchain
  AC_CHECK_LIB([gpg-error], [gpg_strerror])
  AC_CHECK_LIB([pthread], [pthread_create])
  want_server=no
 ;;
*linux* | *Linux* )
  AC_MSG_RESULT([Linux])
  want_server=yes
  ;;
*-apple-darwin* )
  AC_MSG_RESULT([Mac OS X])
  want_server=yes
  if test $want_coreaudio = yes; then
    COREAUDIO="-framework CoreAudio"
  fi
  ;;
* )
  AC_MSG_RESULT([unknown, winging it])
  want_server=no
  ;;
esac
AC_SUBST([COREAUDIO])

AC_ARG_WITH([server],
	    [AS_HELP_STRING([--without-server],
			    [do not build server])],
	    [want_server=$withval])
AC_ARG_WITH([gtk],
	    [AS_HELP_STRING([--without-gtk],
			    [do not build GTK+ client])],
	    [want_gtk=$withval])
AC_ARG_WITH([python],
	    [AS_HELP_STRING([--without-python],
			    [do not build Python support])],
	    [want_python=$withval])

subdirs="scripts lib clients doc examples debian"

if test $want_server = yes; then
  subdirs="${subdirs} server plugins driver templates sounds images"
fi
if test $want_python = yes; then
  AM_PATH_PYTHON
  subdirs="${subdirs} python"
fi
if test $want_gtk = yes; then
  subdirs="${subdirs} disobedience"
  if test $want_server = no; then
    subdirs="${subdirs} images"
  fi
fi
subdirs="${subdirs} tests"
AC_SUBST([subdirs])

# libtool config
AC_LIBTOOL_DLOPEN
AC_DISABLE_STATIC

AC_PROG_LIBTOOL

missing_libraries=""
missing_headers=""
missing_functions=""

AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])

# Macs might have libraries under fink's root
AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
if test "x$FINK" != xnone; then
  AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
    rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
  ])
  finkbindir="${rjk_cv_finkprefix}/bin"
  CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
  if test $want_server = yes; then
    CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
  fi
  LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
else
  finkbindir=""
fi
AC_SUBST([finkbindir])

# Checks for libraries.
# We save up a list of missing libraries that we can't do without
# and report them all at once.
AC_CHECK_LIB(gc, GC_malloc,            [AC_SUBST(LIBGC,[-lgc])],
            [missing_libraries="$missing_libraries libgc"])
AC_CHECK_LIB(gcrypt, gcry_md_open,
             [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
            [missing_libraries="$missing_libraries libgcrypt"])
AC_CHECK_LIB(pcre, pcre_compile,
	     [AC_SUBST(LIBPCRE,[-lpcre])],
	     [missing_libraries="$missing_libraries libpcre"])
if test $want_alsa = yes; then
  AC_CHECK_LIB([asound], [snd_pcm_open],
               [AC_SUBST(LIBASOUND,[-lasound])])
fi
if test $want_server = yes; then
  RJK_CHECK_LIB(db, db_create, [#include <db.h>],
	       [AC_SUBST(LIBDB,[-ldb])],
	       [missing_libraries="$missing_libraries libdb"])
  AC_CHECK_LIB(vorbis, vorbis_info_clear,
	       [:],
	       [missing_libraries="$missing_libraries libvorbis"])
  AC_CHECK_LIB(vorbisfile, ov_open,
	       [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
	       [missing_libraries="$missing_libraries libvorbisfile"],
	       [-lvorbis])
  AC_CHECK_LIB(mad, mad_stream_init,
	       [AC_SUBST(LIBMAD,[-lmad])],
	       [missing_libraries="$missing_libraries libmad"])
  AC_CHECK_LIB([ao], [ao_initialize],
	       [AC_SUBST(LIBAO,[-lao])],
	       [missing_libraries="$missing_libraries libao"])
  AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
	       [AC_SUBST(LIBFLAC,[-lFLAC])],
	       [missing_libraries="$missing_libraries libFLAC"])
fi

if test $want_gtk = yes; then
  AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
  AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
fi

# Some platforms have iconv already
AC_CHECK_FUNC(iconv_open, [:],
              [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
                            [AC_SUBST(LIBICONV,[-liconv])],
                            [missing_functions="$missing_functions iconv_open"])])
AC_CHECK_FUNC([gethostbyname],[:],[
  AC_CHECK_LIB(nsl,gethostbyname,
               [AC_SUBST(LIBNSL,[-lnsl])],
               [missing_functions="$missing_functions gethostbyname"])])
AC_CHECK_FUNC([socket],[:],[
  AC_CHECK_LIB(socket,socket,
               [AC_SUBST(LIBSOCKET,[-lsocket])],
               [missing_functions="$missing_functions socket"])])
AC_CHECK_FUNC([dlopen],[:],[
  AC_CHECK_LIB(dl,dlopen,
	       [AC_SUBST(LIBDL,[-ldl])],
	       [missing_functions="$missing_functions dlopen"])])

if test ! -z "$missing_libraries"; then
  AC_MSG_ERROR([missing libraries:$missing_libraries])
fi

# We require that libpcre support UTF-8
RJK_REQUIRE_PCRE_UTF8([-lpcre])

# Checks for header files.
RJK_FIND_GC_H
if test $want_oss = yes; then
  AC_CHECK_HEADERS([sys/soundcard.h])
fi
if test $want_alsa = yes; then
  AC_CHECK_HEADERS([alsa/asoundlib.h])
fi
if test $want_coreaudio = yes; then
  AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
fi
AC_CHECK_HEADERS([inttypes.h])
# We don't bother checking very standard stuff
# Compilation will fail if any of these headers are missing, so we
# check for them here and fail early.
if test $want_server = yes; then
  AC_CHECK_HEADERS([db.h],[:],[
    missing_headers="$missing_headers $ac_header"
  ])
fi
AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
		 getopt.h iconv.h langinfo.h \
		 pcre.h sys/ioctl.h \
	         syslog.h unistd.h],[:],[
  missing_headers="$missing_headers $ac_header"
])

if test ! -z "$missing_headers"; then
  AC_MSG_ERROR([missing headers:$missing_headers])
fi

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_C_INLINE
AC_C_BIGENDIAN
AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
#include <netinet/in.h>])

# enable -Werror when we check for certain characteristics:

old_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} $gcc_werror"
AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])

# Some GCC invocations warn for converting function pointers to void *.
# This is fair enough, as it's technically forbidden, but we use dlsym()
# which can pretty much only exist if object and function pointers are
# interconvertable.  So we disable -Werror if need be.
if test ! -z "$gcc_werror"; then
  AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
		 [rjk_cv_function_pointer_cast],[
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
  void somefunction(void);],
		      [(void *)somefunction])],
		      [rjk_cv_function_pointer_cast=yes],
		      [rjk_cv_function_pointer_cast=no])])
  if test $rjk_cv_function_pointer_cast = no; then
    gcc_werror=""
  fi
fi

CFLAGS="${old_CFLAGS}"

# gcrypt maintainers keep changing everything.  Design your interface
# first, then implement it once, rather than getting it wrong three or
# four times and shipping between each attempt.
AC_CACHE_CHECK([for hash handle type in <grypt.h>],
               [rjk_cv_gcrypt_hash_handle],[
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
#include <gcrypt.h>
],
               [gcry_md_hd_t h;])],
               [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
#include <gcrypt.h>
],
		 [GcryMDHd h;])],
		 [rjk_cv_gcrypt_hash_handle=GcryMDHd],
		 [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
                   [libgcrypt hash handle type])

AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
               [rjk_cv_have_gcry_error_t],[
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
#include <gcrypt.h>
],
		 [gcry_error_t e;])],
		 [rjk_cv_have_gcry_error_t=yes],
		 [rjk_cv_have_gcry_error_t=no])])
if test $rjk_cv_have_gcry_error_t = yes; then
  AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
fi

# Checks for functions
if test $ac_cv_type_long_long = yes; then
  AC_CHECK_FUNCS([atoll strtoll],[:],[
    missing_functions="$missing_functions $ac_func"
  ])
  # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
  AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
                 [rjk_cv_strtoll_declared],[
    AC_EGREP_HEADER([strtoll], [stdlib.h],
                    [rjk_cv_strtoll_declared=yes],
                    [rjk_cv_strtoll_declared=no])])
  if test $rjk_cv_strtoll_declared = yes; then
    AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
  fi
  AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
                 [rjk_cv_atoll_declared],[
    AC_EGREP_HEADER([atoll], [stdlib.h],
                    [rjk_cv_atoll_declared=yes],
                    [rjk_cv_atoll_declared=no])])
  if test $rjk_cv_atoll_declared = yes; then
    AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
  fi
fi
AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
  missing_functions="$missing_functions $ac_func"
])
# fsync will do if fdatasync not available
AC_CHECK_FUNCS([fdatasync],[:],[
  AC_CHECK_FUNCS([fsync],
                 [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
                 [missing_functions="$missing_functions fdatasync"])])
if test ! -z "$missing_functions"; then
  AC_MSG_ERROR([missing functions:$missing_functions])
fi
if test $want_server = yes; then
  # <db.h> had better be version 3 or later
  AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
    AC_PREPROC_IFELSE([
		       #include <db.h>
		       #ifndef DB_VERSION_MAJOR
		       # error cannot determine db version
		       #endif
		       #if DB_VERSION_MAJOR < 4
		       # error inadequate db version
		       #endif
		       #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
		       # error inadequate db version
		       #endif
		      ],
		      [rjk_cv_db_version=ok],
		      [rjk_cv_db_version=inadequate])
  ])
  if test $rjk_cv_db_version != ok; then
    AC_MSG_ERROR([need db.h version at least 4.2])
  fi
fi

if test "x$GCC" = xyes; then
  # a reasonable default set of warnings
  CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
	-Wwrite-strings -Wmissing-prototypes \
	-Wmissing-declarations -Wnested-externs"

  # Fix up GTK+ and GLib compiler flags
  GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
  GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"

  # GCC 2.95 doesn't know to ignore warnings from system headers
  AC_CACHE_CHECK([whether -Werror is usable],
                  rjk_cv_werror, [
    save_CFLAGS="${CFLAGS}"
    CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
    AC_TRY_COMPILE([#include <gtk/gtk.h>],
                   [],
                   [rjk_cv_werror=yes],
                   [rjk_cv_werror=no])
    CFLAGS="${save_CFLAGS}"
  ])
  if test $rjk_cv_werror = no; then
    gcc_werror=''
  fi
  CC="${CC} $gcc_werror"

  # for older GCCs that don't know %ju (etc)
  AC_CACHE_CHECK([whether -Wno-format is required],
		 rjk_cv_noformat,
		 AC_TRY_COMPILE([#include <stdio.h>
#include <stdint.h>
],
			        [printf("%ju", (uintmax_t)0);],
				[rjk_cv_noformat=no],
				[rjk_cv_noformat=yes]))
  if test $rjk_cv_noformat = yes; then
    CC="${CC} -Wno-format"
  fi

  AC_CACHE_CHECK([whether -Wshadow is OK],
		 rjk_cv_shadow,
                 oldCC="${CC}"
		 CC="${CC} -Wshadow"
		 [AC_TRY_COMPILE([
#include <unistd.h>
#include <vorbis/vorbisfile.h>
],
				[],
				[rjk_cv_shadow=yes],
				[rjk_cv_shadow=no])
		 CC="${oldCC}"])
  if test $rjk_cv_shadow = yes; then
    CC="${CC} -Wshadow"
  fi
                  

fi

AH_BOTTOM([#ifdef __GNUC__
# define attribute(x) __attribute__(x)
#else
# define attribute(x)
#endif])

AC_CONFIG_FILES([Makefile
		 templates/Makefile
		 images/Makefile
		 scripts/Makefile
		 lib/Makefile
		 server/Makefile
		 clients/Makefile
		 disobedience/Makefile
		 doc/Makefile
		 plugins/Makefile
		 driver/Makefile
		 debian/Makefile
		 sounds/Makefile
		 python/Makefile
		 examples/Makefile
		 tests/Makefile])
AC_OUTPUT
Commit	Line	Data
460b9539	1	# Process this file with autoconf to produce a configure script.
	2	#
	3	# This file is part of DisOrder.
dea8f8aa	4	# Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
460b9539	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
187f23fb	22	AC_INIT(disorder, 1.5.99+, richard+disorder@sfere.greenend.org.uk)
460b9539	23	AC_CONFIG_AUX_DIR([config.aux])
187f23fb	24	AM_INIT_AUTOMAKE(disorder, 1.5.99+)
460b9539	25	AC_CONFIG_SRCDIR([server/disorderd.c])
	26	AM_CONFIG_HEADER([config.h])
	27
dea8f8aa RK	28	# Find host type
	29	AC_CANONICAL_HOST
	30
460b9539	31	# What we want to build
460b9539	32	want_gtk=yes
	33	want_python=yes
	34
e2f0c461 RK	35	# APIs we want
	36	want_alsa=yes
	37	want_oss=yes
	38	want_coreaudio=yes
	39
a9f0ad12 RK	40	# Checks for programs.
	41	AC_PROG_CC
	42	AC_SET_MAKE
	43	if test "x$GCC" = xyes; then
	44	gcc_werror=-Werror
	45	else
	46	gcc_werror=""
	47	fi
	48
e2f0c461 RK	49	AC_ARG_WITH([alsa],
	50	[AS_HELP_STRING([--without-alsa],
	51	[do not build with ALSA support])],
	52	[want_alsa=$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
a9f0ad12	62	AC_MSG_CHECKING([for a known target platform])
dea8f8aa	63	case "$host" in
a9f0ad12	64	empeg )
e3426f7b	65	AC_MSG_RESULT([empeg car stereo])
a9f0ad12 RK	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])
e3426f7b	69	AC_CHECK_LIB([pthread], [pthread_create])
a9f0ad12	70	want_server=no
a9f0ad12	71	;;
dea8f8aa	72	linux \| Linux )
a9f0ad12	73	AC_MSG_RESULT([Linux])
e3426f7b	74	want_server=yes
dea8f8aa	75	;;
9086a105	76	-apple-darwin )
e3426f7b	77	AC_MSG_RESULT([Mac OS X])
e2f0c461 RK	78	want_server=yes
	79	if test $want_coreaudio = yes; then
	80	COREAUDIO="-framework CoreAudio"
	81	fi
9086a105	82	;;
dea8f8aa	83	* )
a9f0ad12	84	AC_MSG_RESULT([unknown, winging it])
e3426f7b	85	want_server=no
dea8f8aa RK	86	;;
dea8f8aa RK	87	esac
9086a105	88	AC_SUBST([COREAUDIO])
dea8f8aa	89
460b9539	90	AC_ARG_WITH([server],
	91	[AS_HELP_STRING([--without-server],
	92	[do not build server])],
	93	[want_server=$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
1798e51d	103	subdirs="scripts lib clients doc examples debian"
460b9539	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
1798e51d	118	subdirs="${subdirs} tests"
460b9539	119	AC_SUBST([subdirs])
	120
	121	# libtool config
	122	AC_LIBTOOL_DLOPEN
	123	AC_DISABLE_STATIC
	124
	125	AC_PROG_LIBTOOL
	126
	127	missing_libraries=""
	128	missing_headers=""
	129	missing_functions=""
	130
	131	AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
	132
	133	# Macs might have libraries under fink's root
	134	AC_PATH_PROG([FINK],[fink],[none],[$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$,,'`"
	138	])
e83d0967	139	finkbindir="${rjk_cv_finkprefix}/bin"
762f2539	140	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
460b9539	141	if test $want_server = yes; then
	142	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
	143	fi
	144	LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
e83d0967 RK	145	else
e83d0967 RK	146	finkbindir=""
460b9539	147	fi
e83d0967	148	AC_SUBST([finkbindir])
460b9539	149
	150	# Checks for libraries.
	151	# We save up a list of missing libraries that we can't do without
	152	# and report them all at once.
	153	AC_CHECK_LIB(gc, GC_malloc, [AC_SUBST(LIBGC,[-lgc])],
	154	[missing_libraries="$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"])
e2f0c461 RK	161	if test $want_alsa = yes; then
	162	AC_CHECK_LIB([asound], [snd_pcm_open],
	163	[AC_SUBST(LIBASOUND,[-lasound])])
	164	fi
460b9539	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"])
c57f1201	182	AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
	183	[AC_SUBST(LIBFLAC,[-lFLAC])],
	184	[missing_libraries="$missing_libraries libFLAC"])
d19ccd72	185	fi
460b9539	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
e2f0c461 RK	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])
146e86fb	229	# We don't bother checking very standard stuff
460b9539	230	# Compilation will fail if any of these headers are missing, so we
460b9539	231	# check for them here and fail early.
460b9539	232	if test $want_server = yes; then
	233	AC_CHECK_HEADERS([db.h],[:],[
	234	missing_headers="$missing_headers $ac_header"
	235	])
460b9539	236	fi
	237	AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
	238	getopt.h iconv.h langinfo.h \
	239	pcre.h sys/ioctl.h \
	240	syslog.h unistd.h],[:],[
	241	missing_headers="$missing_headers $ac_header"
	242	])
	243
	244	if test ! -z "$missing_headers"; then
	245	AC_MSG_ERROR([missing headers:$missing_headers])
	246	fi
	247
	248	# Checks for typedefs, structures, and compiler characteristics.
	249	AC_C_CONST
	250	AC_TYPE_SIZE_T
	251	AC_C_INLINE
5330d674	252	AC_C_BIGENDIAN
460b9539	253	AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
	254	#include <netinet/in.h>])
	255
	256	# enable -Werror when we check for certain characteristics:
	257
	258	old_CFLAGS="${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)
9a5f7aba	396	AC_CACHE_CHECK([whether -Wno-format is required],
460b9539	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
9a5f7aba	408	AC_CACHE_CHECK([whether -Wshadow is OK],
460b9539	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
c5dbcd79 RK	447	examples/Makefile
c5dbcd79 RK	448	tests/Makefile])
460b9539	449	AC_OUTPUT