[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
  ;;
* )
  want_alsa=no
  ;;
esac

# 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
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 "$FINK" | sed 's,/bin/fink$,,'`"
  ])
  CPPFLAGS="${CPPFLAGS} -I${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"
fi

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