[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_server=yes
want_gtk=yes
want_python=yes

case "$host" in
*linux* | *Linux* )
  want_alsa=yes
  ;;
*-apple-darwin* )
  want_alsa=no
  COREAUDIO="-framework CoreAudio"
  ;;
* )
  want_alsa=no
  ;;
esac
AC_SUBST([COREAUDIO])

# 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([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 $want_server = yes; then
  RJK_CHECK_LIB(db, db_create, [#include <db.h>],
	       [AC_SUBST(LIBDB,[-ldb])],
	       [missing_libraries="$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 $want_alsa = yes; then
  AC_CHECK_LIB([asound], [snd_pcm_open],
               [AC_SUBST(LIBASOUND,[-lasound])],
	       [missing_libraries="$missing_libraries libasound"])
  AC_DEFINE([API_ALSA],[1],[define to use the ALSA API])
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])
# Compilation will fail if any of these headers are missing, so we
# check for them here and fail early.
# We don't bother checking very standard stuff
if test $want_server = yes; then
  AC_CHECK_HEADERS([db.h],[:],[
    missing_headers="$missing_headers $ac_header"
  ])
  AC_CHECK_HEADERS([sys/soundcard.h]) dnl can cope without
fi
AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
		 getopt.h iconv.h langinfo.h \
		 pcre.h sys/ioctl.h \
	         syslog.h unistd.h],[:],[
  missing_headers="$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
	32	want_server=yes
	33	want_gtk=yes
	34	want_python=yes
	35
dea8f8aa RK	36	case "$host" in
dea8f8aa RK	37	linux \| Linux )
8023f60b	38	want_alsa=yes
dea8f8aa	39	;;
9086a105 RK	40	-apple-darwin )
	41	want_alsa=no
	42	COREAUDIO="-framework CoreAudio"
	43	;;
dea8f8aa	44	* )
8023f60b	45	want_alsa=no
dea8f8aa RK	46	;;
dea8f8aa RK	47	esac
9086a105	48	AC_SUBST([COREAUDIO])
dea8f8aa	49
460b9539	50	# Checks for programs.
	51	AC_PROG_CC
	52	AC_SET_MAKE
	53	if test "x$GCC" = xyes; then
	54	gcc_werror=-Werror
	55	else
	56	gcc_werror=""
	57	fi
	58
	59	AC_ARG_WITH([server],
	60	[AS_HELP_STRING([--without-server],
	61	[do not build server])],
	62	[want_server=$withval])
	63	AC_ARG_WITH([gtk],
	64	[AS_HELP_STRING([--without-gtk],
	65	[do not build GTK+ client])],
	66	[want_gtk=$withval])
	67	AC_ARG_WITH([python],
	68	[AS_HELP_STRING([--without-python],
	69	[do not build Python support])],
	70	[want_python=$withval])
	71
1798e51d	72	subdirs="scripts lib clients doc examples debian"
460b9539	73
	74	if test $want_server = yes; then
	75	subdirs="${subdirs} server plugins driver templates sounds images"
	76	fi
	77	if test $want_python = yes; then
	78	AM_PATH_PYTHON
	79	subdirs="${subdirs} python"
	80	fi
	81	if test $want_gtk = yes; then
	82	subdirs="${subdirs} disobedience"
	83	if test $want_server = no; then
	84	subdirs="${subdirs} images"
	85	fi
	86	fi
1798e51d	87	subdirs="${subdirs} tests"
460b9539	88	AC_SUBST([subdirs])
	89
	90	# libtool config
	91	AC_LIBTOOL_DLOPEN
	92	AC_DISABLE_STATIC
	93
	94	AC_PROG_LIBTOOL
	95
	96	missing_libraries=""
	97	missing_headers=""
	98	missing_functions=""
	99
	100	AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
	101
	102	# Macs might have libraries under fink's root
	103	AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
	104	if test "x$FINK" != xnone; then
	105	AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
	106	rjk_cv_finkprefix="`echo "$FINK" \| sed 's,/bin/fink$,,'`"
	107	])
e83d0967	108	finkbindir="${rjk_cv_finkprefix}/bin"
762f2539	109	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
460b9539	110	if test $want_server = yes; then
	111	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
	112	fi
	113	LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
e83d0967 RK	114	else
e83d0967 RK	115	finkbindir=""
460b9539	116	fi
e83d0967	117	AC_SUBST([finkbindir])
460b9539	118
	119	# Checks for libraries.
	120	# We save up a list of missing libraries that we can't do without
	121	# and report them all at once.
	122	AC_CHECK_LIB(gc, GC_malloc, [AC_SUBST(LIBGC,[-lgc])],
	123	[missing_libraries="$missing_libraries libgc"])
	124	AC_CHECK_LIB(gcrypt, gcry_md_open,
	125	[AC_SUBST(LIBGCRYPT,[-lgcrypt])],
	126	[missing_libraries="$missing_libraries libgcrypt"])
	127	AC_CHECK_LIB(pcre, pcre_compile,
	128	[AC_SUBST(LIBPCRE,[-lpcre])],
	129	[missing_libraries="$missing_libraries libpcre"])
	130	if test $want_server = yes; then
	131	RJK_CHECK_LIB(db, db_create, [#include <db.h>],
	132	[AC_SUBST(LIBDB,[-ldb])],
	133	[missing_libraries="$missing_libraries libdb"])
	134	AC_CHECK_LIB(vorbis, vorbis_info_clear,
	135	[:],
	136	[missing_libraries="$missing_libraries libvorbis"])
	137	AC_CHECK_LIB(vorbisfile, ov_open,
	138	[AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
	139	[missing_libraries="$missing_libraries libvorbisfile"],
	140	[-lvorbis])
	141	AC_CHECK_LIB(mad, mad_stream_init,
	142	[AC_SUBST(LIBMAD,[-lmad])],
	143	[missing_libraries="$missing_libraries libmad"])
	144	AC_CHECK_LIB([ao], [ao_initialize],
	145	[AC_SUBST(LIBAO,[-lao])],
	146	[missing_libraries="$missing_libraries libao"])
c57f1201	147	AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
	148	[AC_SUBST(LIBFLAC,[-lFLAC])],
	149	[missing_libraries="$missing_libraries libFLAC"])
d19ccd72 RK	150	fi
	151	if test $want_alsa = yes; then
	152	AC_CHECK_LIB([asound], [snd_pcm_open],
	153	[AC_SUBST(LIBASOUND,[-lasound])],
	154	[missing_libraries="$missing_libraries libasound"])
	155	AC_DEFINE([API_ALSA],[1],[define to use the ALSA API])
460b9539	156	fi
	157
	158	if test $want_gtk = yes; then
	159	AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
	160	AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
	161	fi
	162
	163	# Some platforms have iconv already
	164	AC_CHECK_FUNC(iconv_open, [:],
	165	[RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
	166	[AC_SUBST(LIBICONV,[-liconv])],
	167	[missing_functions="$missing_functions iconv_open"])])
	168	AC_CHECK_FUNC([gethostbyname],[:],[
	169	AC_CHECK_LIB(nsl,gethostbyname,
	170	[AC_SUBST(LIBNSL,[-lnsl])],
	171	[missing_functions="$missing_functions gethostbyname"])])
	172	AC_CHECK_FUNC([socket],[:],[
	173	AC_CHECK_LIB(socket,socket,
	174	[AC_SUBST(LIBSOCKET,[-lsocket])],
	175	[missing_functions="$missing_functions socket"])])
	176	AC_CHECK_FUNC([dlopen],[:],[
	177	AC_CHECK_LIB(dl,dlopen,
	178	[AC_SUBST(LIBDL,[-ldl])],
	179	[missing_functions="$missing_functions dlopen"])])
	180
	181	if test ! -z "$missing_libraries"; then
	182	AC_MSG_ERROR([missing libraries:$missing_libraries])
	183	fi
	184
	185	# We require that libpcre support UTF-8
	186	RJK_REQUIRE_PCRE_UTF8([-lpcre])
	187
	188	# Checks for header files.
	189	RJK_FIND_GC_H
e83d0967	190	AC_CHECK_HEADERS([inttypes.h CoreAudio/AudioHardware.h])
460b9539	191	# Compilation will fail if any of these headers are missing, so we
	192	# check for them here and fail early.
	193	# We don't bother checking very standard stuff
	194	if test $want_server = yes; then
	195	AC_CHECK_HEADERS([db.h],[:],[
	196	missing_headers="$missing_headers $ac_header"
	197	])
	198	AC_CHECK_HEADERS([sys/soundcard.h]) dnl can cope without
	199	fi
	200	AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
	201	getopt.h iconv.h langinfo.h \
	202	pcre.h sys/ioctl.h \
	203	syslog.h unistd.h],[:],[
	204	missing_headers="$missing_headers $ac_header"
	205	])
	206
	207	if test ! -z "$missing_headers"; then
	208	AC_MSG_ERROR([missing headers:$missing_headers])
	209	fi
	210
	211	# Checks for typedefs, structures, and compiler characteristics.
	212	AC_C_CONST
	213	AC_TYPE_SIZE_T
	214	AC_C_INLINE
5330d674	215	AC_C_BIGENDIAN
460b9539	216	AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
	217	#include <netinet/in.h>])
	218
	219	# enable -Werror when we check for certain characteristics:
	220
	221	old_CFLAGS="${CFLAGS}"
	222	CFLAGS="${CFLAGS} $gcc_werror"
	223	AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
	224
	225	# Some GCC invocations warn for converting function pointers to void *.
	226	# This is fair enough, as it's technically forbidden, but we use dlsym()
	227	# which can pretty much only exist if object and function pointers are
	228	# interconvertable. So we disable -Werror if need be.
	229	if test ! -z "$gcc_werror"; then
	230	AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
	231	[rjk_cv_function_pointer_cast],[
	232	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	233	void somefunction(void);],
	234	[(void *)somefunction])],
	235	[rjk_cv_function_pointer_cast=yes],
	236	[rjk_cv_function_pointer_cast=no])])
	237	if test $rjk_cv_function_pointer_cast = no; then
	238	gcc_werror=""
	239	fi
	240	fi
	241
	242	CFLAGS="${old_CFLAGS}"
	243
	244	# gcrypt maintainers keep changing everything. Design your interface
	245	# first, then implement it once, rather than getting it wrong three or
	246	# four times and shipping between each attempt.
	247	AC_CACHE_CHECK([for hash handle type in <grypt.h>],
	248	[rjk_cv_gcrypt_hash_handle],[
	249	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	250	#include <gcrypt.h>
	251	],
	252	[gcry_md_hd_t h;])],
	253	[rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
	254	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	255	#include <gcrypt.h>
	256	],
	257	[GcryMDHd h;])],
	258	[rjk_cv_gcrypt_hash_handle=GcryMDHd],
	259	[rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
	260	AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
	261	[libgcrypt hash handle type])
	262
	263	AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
	264	[rjk_cv_have_gcry_error_t],[
	265	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	266	#include <gcrypt.h>
	267	],
	268	[gcry_error_t e;])],
	269	[rjk_cv_have_gcry_error_t=yes],
	270	[rjk_cv_have_gcry_error_t=no])])
	271	if test $rjk_cv_have_gcry_error_t = yes; then
	272	AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
	273	fi
	274
	275	# Checks for functions
	276	if test $ac_cv_type_long_long = yes; then
	277	AC_CHECK_FUNCS([atoll strtoll],[:],[
	278	missing_functions="$missing_functions $ac_func"
	279	])
280	# Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
281	AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
282	[rjk_cv_strtoll_declared],[
283	AC_EGREP_HEADER([strtoll], [stdlib.h],
284	[rjk_cv_strtoll_declared=yes],
285	[rjk_cv_strtoll_declared=no])])
286	if test $rjk_cv_strtoll_declared = yes; then
287	AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
288	fi
289	AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
290	[rjk_cv_atoll_declared],[
291	AC_EGREP_HEADER([atoll], [stdlib.h],
292	[rjk_cv_atoll_declared=yes],
293	[rjk_cv_atoll_declared=no])])
294	if test $rjk_cv_atoll_declared = yes; then
295	AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
296	fi
297	fi
298	AC_CHECK_FUNCS([ioctl nl_langinfo strsignal],[:],[
299	missing_functions="$missing_functions $ac_func"
300	])
301	# fsync will do if fdatasync not available
302	AC_CHECK_FUNCS([fdatasync],[:],[
303	AC_CHECK_FUNCS([fsync],
304	[AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
305	[missing_functions="$missing_functions fdatasync"])])
306	if test ! -z "$missing_functions"; then
307	AC_MSG_ERROR([missing functions:$missing_functions])
308	fi
309	if test $want_server = yes; then
310	# <db.h> had better be version 3 or later
311	AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
312	AC_PREPROC_IFELSE([
313	#include <db.h>
314	#ifndef DB_VERSION_MAJOR
315	# error cannot determine db version
316	#endif
317	#if DB_VERSION_MAJOR < 4
318	# error inadequate db version
319	#endif
320	#if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 2
321	# error inadequate db version
322	#endif
323	],
324	[rjk_cv_db_version=ok],
325	[rjk_cv_db_version=inadequate])
326	])
327	if test $rjk_cv_db_version != ok; then
328	AC_MSG_ERROR([need db.h version at least 4.2])
329	fi
330	fi
331
332	if test "x$GCC" = xyes; then
333	# a reasonable default set of warnings
334	CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
335	-Wwrite-strings -Wmissing-prototypes \
336	-Wmissing-declarations -Wnested-externs"
337
338	# Fix up GTK+ and GLib compiler flags
339	GTK_CFLAGS="`echo \"$GTK_CFLAGS\"\|sed 's/-I/-isystem /g'`"
340	GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"\|sed 's/-I/-isystem /g'`"
341
342	# GCC 2.95 doesn't know to ignore warnings from system headers
343	AC_CACHE_CHECK([whether -Werror is usable],
344	rjk_cv_werror, [
345	save_CFLAGS="${CFLAGS}"
346	CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
347	AC_TRY_COMPILE([#include <gtk/gtk.h>],
348	[],
349	[rjk_cv_werror=yes],
350	[rjk_cv_werror=no])
351	CFLAGS="${save_CFLAGS}"
352	])
353	if test $rjk_cv_werror = no; then
354	gcc_werror=''
355	fi
356	CC="${CC} $gcc_werror"
357
358	# for older GCCs that don't know %ju (etc)
9a5f7aba	359	AC_CACHE_CHECK([whether -Wno-format is required],
460b9539	360	rjk_cv_noformat,
	361	AC_TRY_COMPILE([#include <stdio.h>
	362	#include <stdint.h>
	363	],
	364	[printf("%ju", (uintmax_t)0);],
	365	[rjk_cv_noformat=no],
	366	[rjk_cv_noformat=yes]))
	367	if test $rjk_cv_noformat = yes; then
	368	CC="${CC} -Wno-format"
	369	fi
	370
9a5f7aba	371	AC_CACHE_CHECK([whether -Wshadow is OK],
460b9539	372	rjk_cv_shadow,
	373	oldCC="${CC}"
	374	CC="${CC} -Wshadow"
	375	[AC_TRY_COMPILE([
	376	#include <unistd.h>
	377	#include <vorbis/vorbisfile.h>
	378	],
	379	[],
	380	[rjk_cv_shadow=yes],
	381	[rjk_cv_shadow=no])
	382	CC="${oldCC}"])
	383	if test $rjk_cv_shadow = yes; then
	384	CC="${CC} -Wshadow"
	385	fi
	386
	387
	388	fi
	389
	390	AH_BOTTOM([#ifdef __GNUC__
	391	# define attribute(x) __attribute__(x)
	392	#else
	393	# define attribute(x)
	394	#endif])
	395
	396	AC_CONFIG_FILES([Makefile
	397	templates/Makefile
	398	images/Makefile
	399	scripts/Makefile
	400	lib/Makefile
	401	server/Makefile
	402	clients/Makefile
	403	disobedience/Makefile
	404	doc/Makefile
	405	plugins/Makefile
	406	driver/Makefile
	407	debian/Makefile
	408	sounds/Makefile
	409	python/Makefile
c5dbcd79 RK	410	examples/Makefile
c5dbcd79 RK	411	tests/Makefile])
460b9539	412	AC_OUTPUT