[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

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