[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

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

AC_MSG_CHECKING([for a known target platform])
case "$host" in
*empeg* )
  AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  # work around broken toolchain
  AC_CHECK_LIB([gpg-error], [gpg_strerror])
  want_server=no
  AC_MSG_RESULT([empeg car stereo])
 ;;
*linux* | *Linux* )
  want_server=yes
  AC_MSG_RESULT([Linux])
  ;;
*-apple-darwin* )
  want_server=no
  COREAUDIO="-framework CoreAudio"
  AC_MSG_RESULT([Mac OS X])
  ;;
* )
  want_server=no
  AC_MSG_RESULT([unknown, winging it])
  ;;
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"])
AC_CHECK_LIB([asound], [snd_pcm_open],
             [AC_SUBST(LIBASOUND,[-lasound])])
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
AC_CHECK_HEADERS([inttypes.h CoreAudio/AudioHardware.h sys/soundcard.h alsa/asoundlib.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
a9f0ad12 RK	35	# Checks for programs.
	36	AC_PROG_CC
	37	AC_SET_MAKE
	38	if test "x$GCC" = xyes; then
	39	gcc_werror=-Werror
	40	else
	41	gcc_werror=""
	42	fi
	43
	44	AC_MSG_CHECKING([for a known target platform])
dea8f8aa	45	case "$host" in
a9f0ad12 RK	46	empeg )
	47	AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
	48	# work around broken toolchain
	49	AC_CHECK_LIB([gpg-error], [gpg_strerror])
	50	want_server=no
	51	AC_MSG_RESULT([empeg car stereo])
	52	;;
dea8f8aa	53	linux \| Linux )
68122e5f	54	want_server=yes
a9f0ad12	55	AC_MSG_RESULT([Linux])
dea8f8aa	56	;;
9086a105	57	-apple-darwin )
68122e5f	58	want_server=no
9086a105	59	COREAUDIO="-framework CoreAudio"
a9f0ad12	60	AC_MSG_RESULT([Mac OS X])
9086a105	61	;;
dea8f8aa	62	* )
68122e5f	63	want_server=no
a9f0ad12	64	AC_MSG_RESULT([unknown, winging it])
dea8f8aa RK	65	;;
dea8f8aa RK	66	esac
9086a105	67	AC_SUBST([COREAUDIO])
dea8f8aa	68
460b9539	69	AC_ARG_WITH([server],
	70	[AS_HELP_STRING([--without-server],
	71	[do not build server])],
	72	[want_server=$withval])
	73	AC_ARG_WITH([gtk],
	74	[AS_HELP_STRING([--without-gtk],
	75	[do not build GTK+ client])],
	76	[want_gtk=$withval])
	77	AC_ARG_WITH([python],
	78	[AS_HELP_STRING([--without-python],
	79	[do not build Python support])],
	80	[want_python=$withval])
	81
1798e51d	82	subdirs="scripts lib clients doc examples debian"
460b9539	83
	84	if test $want_server = yes; then
	85	subdirs="${subdirs} server plugins driver templates sounds images"
	86	fi
	87	if test $want_python = yes; then
	88	AM_PATH_PYTHON
	89	subdirs="${subdirs} python"
	90	fi
	91	if test $want_gtk = yes; then
	92	subdirs="${subdirs} disobedience"
	93	if test $want_server = no; then
	94	subdirs="${subdirs} images"
	95	fi
	96	fi
1798e51d	97	subdirs="${subdirs} tests"
460b9539	98	AC_SUBST([subdirs])
	99
	100	# libtool config
	101	AC_LIBTOOL_DLOPEN
	102	AC_DISABLE_STATIC
	103
	104	AC_PROG_LIBTOOL
	105
	106	missing_libraries=""
	107	missing_headers=""
	108	missing_functions=""
	109
	110	AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
	111
	112	# Macs might have libraries under fink's root
	113	AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
	114	if test "x$FINK" != xnone; then
	115	AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
	116	rjk_cv_finkprefix="`echo "$FINK" \| sed 's,/bin/fink$,,'`"
	117	])
e83d0967	118	finkbindir="${rjk_cv_finkprefix}/bin"
762f2539	119	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
460b9539	120	if test $want_server = yes; then
	121	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
	122	fi
	123	LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
e83d0967 RK	124	else
e83d0967 RK	125	finkbindir=""
460b9539	126	fi
e83d0967	127	AC_SUBST([finkbindir])
460b9539	128
	129	# Checks for libraries.
	130	# We save up a list of missing libraries that we can't do without
	131	# and report them all at once.
	132	AC_CHECK_LIB(gc, GC_malloc, [AC_SUBST(LIBGC,[-lgc])],
	133	[missing_libraries="$missing_libraries libgc"])
	134	AC_CHECK_LIB(gcrypt, gcry_md_open,
	135	[AC_SUBST(LIBGCRYPT,[-lgcrypt])],
	136	[missing_libraries="$missing_libraries libgcrypt"])
	137	AC_CHECK_LIB(pcre, pcre_compile,
	138	[AC_SUBST(LIBPCRE,[-lpcre])],
	139	[missing_libraries="$missing_libraries libpcre"])
146e86fb	140	AC_CHECK_LIB([asound], [snd_pcm_open],
146e86fb	141	[AC_SUBST(LIBASOUND,[-lasound])])
460b9539	142	if test $want_server = yes; then
	143	RJK_CHECK_LIB(db, db_create, [#include <db.h>],
	144	[AC_SUBST(LIBDB,[-ldb])],
	145	[missing_libraries="$missing_libraries libdb"])
	146	AC_CHECK_LIB(vorbis, vorbis_info_clear,
	147	[:],
	148	[missing_libraries="$missing_libraries libvorbis"])
	149	AC_CHECK_LIB(vorbisfile, ov_open,
	150	[AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
	151	[missing_libraries="$missing_libraries libvorbisfile"],
	152	[-lvorbis])
	153	AC_CHECK_LIB(mad, mad_stream_init,
	154	[AC_SUBST(LIBMAD,[-lmad])],
	155	[missing_libraries="$missing_libraries libmad"])
	156	AC_CHECK_LIB([ao], [ao_initialize],
	157	[AC_SUBST(LIBAO,[-lao])],
	158	[missing_libraries="$missing_libraries libao"])
c57f1201	159	AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
	160	[AC_SUBST(LIBFLAC,[-lFLAC])],
	161	[missing_libraries="$missing_libraries libFLAC"])
d19ccd72	162	fi
460b9539	163
	164	if test $want_gtk = yes; then
	165	AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
	166	AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
	167	fi
	168
	169	# Some platforms have iconv already
	170	AC_CHECK_FUNC(iconv_open, [:],
	171	[RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
	172	[AC_SUBST(LIBICONV,[-liconv])],
	173	[missing_functions="$missing_functions iconv_open"])])
	174	AC_CHECK_FUNC([gethostbyname],[:],[
	175	AC_CHECK_LIB(nsl,gethostbyname,
	176	[AC_SUBST(LIBNSL,[-lnsl])],
	177	[missing_functions="$missing_functions gethostbyname"])])
	178	AC_CHECK_FUNC([socket],[:],[
	179	AC_CHECK_LIB(socket,socket,
	180	[AC_SUBST(LIBSOCKET,[-lsocket])],
	181	[missing_functions="$missing_functions socket"])])
	182	AC_CHECK_FUNC([dlopen],[:],[
	183	AC_CHECK_LIB(dl,dlopen,
	184	[AC_SUBST(LIBDL,[-ldl])],
	185	[missing_functions="$missing_functions dlopen"])])
	186
	187	if test ! -z "$missing_libraries"; then
	188	AC_MSG_ERROR([missing libraries:$missing_libraries])
	189	fi
	190
	191	# We require that libpcre support UTF-8
	192	RJK_REQUIRE_PCRE_UTF8([-lpcre])
	193
	194	# Checks for header files.
	195	RJK_FIND_GC_H
a9f0ad12	196	AC_CHECK_HEADERS([inttypes.h CoreAudio/AudioHardware.h sys/soundcard.h alsa/asoundlib.h])
146e86fb	197	# We don't bother checking very standard stuff
460b9539	198	# Compilation will fail if any of these headers are missing, so we
460b9539	199	# check for them here and fail early.
460b9539	200	if test $want_server = yes; then
	201	AC_CHECK_HEADERS([db.h],[:],[
	202	missing_headers="$missing_headers $ac_header"
	203	])
460b9539	204	fi
	205	AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
	206	getopt.h iconv.h langinfo.h \
	207	pcre.h sys/ioctl.h \
	208	syslog.h unistd.h],[:],[
	209	missing_headers="$missing_headers $ac_header"
	210	])
	211
	212	if test ! -z "$missing_headers"; then
	213	AC_MSG_ERROR([missing headers:$missing_headers])
	214	fi
	215
	216	# Checks for typedefs, structures, and compiler characteristics.
	217	AC_C_CONST
	218	AC_TYPE_SIZE_T
	219	AC_C_INLINE
5330d674	220	AC_C_BIGENDIAN
460b9539	221	AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
	222	#include <netinet/in.h>])
	223
	224	# enable -Werror when we check for certain characteristics:
	225
	226	old_CFLAGS="${CFLAGS}"
	227	CFLAGS="${CFLAGS} $gcc_werror"
	228	AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
	229
	230	# Some GCC invocations warn for converting function pointers to void *.
	231	# This is fair enough, as it's technically forbidden, but we use dlsym()
	232	# which can pretty much only exist if object and function pointers are
	233	# interconvertable. So we disable -Werror if need be.
	234	if test ! -z "$gcc_werror"; then
	235	AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
	236	[rjk_cv_function_pointer_cast],[
	237	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	238	void somefunction(void);],
	239	[(void *)somefunction])],
	240	[rjk_cv_function_pointer_cast=yes],
	241	[rjk_cv_function_pointer_cast=no])])
	242	if test $rjk_cv_function_pointer_cast = no; then
	243	gcc_werror=""
	244	fi
	245	fi
	246
	247	CFLAGS="${old_CFLAGS}"
	248
	249	# gcrypt maintainers keep changing everything. Design your interface
	250	# first, then implement it once, rather than getting it wrong three or
	251	# four times and shipping between each attempt.
	252	AC_CACHE_CHECK([for hash handle type in <grypt.h>],
	253	[rjk_cv_gcrypt_hash_handle],[
	254	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	255	#include <gcrypt.h>
	256	],
	257	[gcry_md_hd_t h;])],
	258	[rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
	259	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	260	#include <gcrypt.h>
	261	],
	262	[GcryMDHd h;])],
	263	[rjk_cv_gcrypt_hash_handle=GcryMDHd],
	264	[rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
	265	AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
	266	[libgcrypt hash handle type])
	267
	268	AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
	269	[rjk_cv_have_gcry_error_t],[
	270	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	271	#include <gcrypt.h>
	272	],
	273	[gcry_error_t e;])],
	274	[rjk_cv_have_gcry_error_t=yes],
	275	[rjk_cv_have_gcry_error_t=no])])
	276	if test $rjk_cv_have_gcry_error_t = yes; then
	277	AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
	278	fi
	279
	280	# Checks for functions
	281	if test $ac_cv_type_long_long = yes; then
	282	AC_CHECK_FUNCS([atoll strtoll],[:],[
	283	missing_functions="$missing_functions $ac_func"
	284	])
285	# Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
286	AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
287	[rjk_cv_strtoll_declared],[
288	AC_EGREP_HEADER([strtoll], [stdlib.h],
289	[rjk_cv_strtoll_declared=yes],
290	[rjk_cv_strtoll_declared=no])])
291	if test $rjk_cv_strtoll_declared = yes; then
292	AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
293	fi
294	AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
295	[rjk_cv_atoll_declared],[
296	AC_EGREP_HEADER([atoll], [stdlib.h],
297	[rjk_cv_atoll_declared=yes],
298	[rjk_cv_atoll_declared=no])])
299	if test $rjk_cv_atoll_declared = yes; then
300	AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
301	fi
302	fi
303	AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
304	missing_functions="$missing_functions $ac_func"
305	])
306	# fsync will do if fdatasync not available
307	AC_CHECK_FUNCS([fdatasync],[:],[
308	AC_CHECK_FUNCS([fsync],
309	[AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
310	[missing_functions="$missing_functions fdatasync"])])
311	if test ! -z "$missing_functions"; then
312	AC_MSG_ERROR([missing functions:$missing_functions])
313	fi
314	if test $want_server = yes; then
315	# <db.h> had better be version 3 or later
316	AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
317	AC_PREPROC_IFELSE([
318	#include <db.h>
319	#ifndef DB_VERSION_MAJOR
320	# error cannot determine db version
321	#endif
322	#if DB_VERSION_MAJOR < 4
323	# error inadequate db version
324	#endif
325	#if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
326	# error inadequate db version
327	#endif
328	],
329	[rjk_cv_db_version=ok],
330	[rjk_cv_db_version=inadequate])
331	])
332	if test $rjk_cv_db_version != ok; then
333	AC_MSG_ERROR([need db.h version at least 4.2])
334	fi
335	fi
336
337	if test "x$GCC" = xyes; then
338	# a reasonable default set of warnings
339	CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
340	-Wwrite-strings -Wmissing-prototypes \
341	-Wmissing-declarations -Wnested-externs"
342
343	# Fix up GTK+ and GLib compiler flags
344	GTK_CFLAGS="`echo \"$GTK_CFLAGS\"\|sed 's/-I/-isystem /g'`"
345	GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"\|sed 's/-I/-isystem /g'`"
346
347	# GCC 2.95 doesn't know to ignore warnings from system headers
348	AC_CACHE_CHECK([whether -Werror is usable],
349	rjk_cv_werror, [
350	save_CFLAGS="${CFLAGS}"
351	CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
352	AC_TRY_COMPILE([#include <gtk/gtk.h>],
353	[],
354	[rjk_cv_werror=yes],
355	[rjk_cv_werror=no])
356	CFLAGS="${save_CFLAGS}"
357	])
358	if test $rjk_cv_werror = no; then
359	gcc_werror=''
360	fi
361	CC="${CC} $gcc_werror"
362
363	# for older GCCs that don't know %ju (etc)
9a5f7aba	364	AC_CACHE_CHECK([whether -Wno-format is required],
460b9539	365	rjk_cv_noformat,
	366	AC_TRY_COMPILE([#include <stdio.h>
	367	#include <stdint.h>
	368	],
	369	[printf("%ju", (uintmax_t)0);],
	370	[rjk_cv_noformat=no],
	371	[rjk_cv_noformat=yes]))
	372	if test $rjk_cv_noformat = yes; then
	373	CC="${CC} -Wno-format"
	374	fi
	375
9a5f7aba	376	AC_CACHE_CHECK([whether -Wshadow is OK],
460b9539	377	rjk_cv_shadow,
	378	oldCC="${CC}"
	379	CC="${CC} -Wshadow"
	380	[AC_TRY_COMPILE([
	381	#include <unistd.h>
	382	#include <vorbis/vorbisfile.h>
	383	],
	384	[],
	385	[rjk_cv_shadow=yes],
	386	[rjk_cv_shadow=no])
	387	CC="${oldCC}"])
	388	if test $rjk_cv_shadow = yes; then
	389	CC="${CC} -Wshadow"
	390	fi
	391
	392
	393	fi
	394
	395	AH_BOTTOM([#ifdef __GNUC__
	396	# define attribute(x) __attribute__(x)
	397	#else
	398	# define attribute(x)
	399	#endif])
	400
	401	AC_CONFIG_FILES([Makefile
	402	templates/Makefile
	403	images/Makefile
	404	scripts/Makefile
	405	lib/Makefile
	406	server/Makefile
	407	clients/Makefile
	408	disobedience/Makefile
	409	doc/Makefile
	410	plugins/Makefile
	411	driver/Makefile
	412	debian/Makefile
	413	sounds/Makefile
	414	python/Makefile
c5dbcd79 RK	415	examples/Makefile
c5dbcd79 RK	416	tests/Makefile])
460b9539	417	AC_OUTPUT