[disorder] / configure.ac

# Process this file with autoconf to produce a configure script.
#
# This file is part of DisOrder.
# Copyright (C) 2004-2008 Richard Kettlewell
# Portions copyright (C) 2007 Ross Younger
#
# 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], [3.0+], [richard+disorder@sfere.greenend.org.uk])
AC_CONFIG_AUX_DIR([config.aux])
AM_INIT_AUTOMAKE(disorder, [3.0+])
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
want_tests=yes

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

# Checks for programs.
AC_PROG_CC
AC_SET_MAKE
if test "x$GCC" = xyes; then
  gcc_werror=-Werror
else
  AC_MSG_ERROR([GNU C is required to build this program])
  gcc_werror=""
fi

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

AC_MSG_CHECKING([for a known target platform])
case "$host" in
*empeg* )
  AC_MSG_RESULT([empeg car stereo])
  AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
  # work around broken toolchain
  AC_CHECK_LIB([gpg-error], [gpg_strerror])
  AC_CHECK_LIB([pthread], [pthread_create])
  want_server=no
 ;;
*linux* | *Linux* )
  AC_MSG_RESULT([Linux])
  want_server=yes
  ;;
*-apple-darwin* )
  AC_MSG_RESULT([Mac OS X])
  want_server=yes
  if test $want_coreaudio = yes; then
    COREAUDIO="-framework CoreAudio"
  fi
  browser=open
  AC_MSG_CHECKING([Mac OS X target version])
  # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
  # behaviour.  But we provide a command line option to override it and
  # we default to wide support instead of supporting only the build platform.
  #
  # Currently if you ask for 10.5 you will get a deprecation warning
  # when building the CoreAudio support code.  For the time being the
  # answer to this is "don't do that then".  If a good reason to ask
  # for a 10.5 deployment target emerges then this will be fixed.
  if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
    MACOSX_DEPLOYMENT_TARGET=10.0
  fi
  AC_ARG_WITH([deployment-target],
              [AS_HELP_STRING([--with-deployment-target=TARGET],
                              [set target OS X version])],
              [MACOSX_DEPLOYMENT_TARGET=$withval])
  # Convert to desired format
  underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
  minver="MAC_OS_X_VERSION_$underscored"
  AC_MSG_RESULT([$minver])
  AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
                     [define to minimum version of Mac OS X to support])
  ;;
*-freebsd* )
  AC_MSG_RESULT([FreeBSD])
  want_server=yes
  # Ports install to /usr/local but the compiler stupidly doesn't look
  # there by default
  LDFLAGS="${LDFLAGS} -L/usr/local/lib"
  CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
  # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
  AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
    rjk_cv_libdb="none"
    for db in db43 db44 db45 db46; do
      if test -e /usr/local/lib/$db; then
        rjk_cv_libdb=$db
        break
      fi
    done
  ])
  if test $rjk_cv_libdb != none; then
    LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
    CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
  fi
  ;;
* )
  AC_MSG_RESULT([unknown, winging it])
  want_server=no
  ;;
esac
AC_SUBST([COREAUDIO])

AC_ARG_WITH([browser],
            [AS_HELP_STRING([--with-browser=BROWSER],
			    [use BROWSER to display HTML])],
            [browser=$withval])

AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
  rjk_cv_browser=UNKNOWN
  for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
    if type $candidate >/dev/null 2>&1; then
      rjk_cv_browser="$candidate"
      break
    fi
  done
])
if test -z "$browser"; then
  browser="$rjk_cv_browser"
fi
AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])

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"
if test $want_tests = yes; then
  subdirs="${subdirs} libtests"
fi
subdirs="${subdirs} clients doc examples debian"

if test $want_server = yes; then
  subdirs="${subdirs} server cgi plugins driver templates sounds images"
fi
if test $want_gtk = yes; then
  subdirs="${subdirs} disobedience"
  if test $want_server = no; then
    subdirs="${subdirs} images"
  fi
fi
if test $want_tests = yes && test $want_python = yes; then
  AM_PATH_PYTHON([2.4])
  subdirs="${subdirs} python tests"
fi
AC_SUBST([subdirs])

# libtool config
AC_LIBTOOL_DLOPEN
AC_DISABLE_STATIC

AC_PROG_LIBTOOL

AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
  rjk_cv_gnused="not found"
  for candidate in sed gsed; do
    if $candidate --version >/dev/null 2>&1; then
      rjk_cv_gnused=$candidate 
    fi
  done
])
GNUSED="${GNUSED:-$rjk_cv_gnused}"
if test "$GNUSED" = "not found"; then
  AC_MSG_ERROR([GNU sed is required to build this program])
fi
AC_SUBST([GNUSED])

AC_CHECK_PROGS([GROG],[grog])
AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])

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

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

AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])

# 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 "$FINK" | sed 's,/bin/fink$,,'`"
  ])
  finkdir="${rjk_cv_finkprefix}"
  finkbindir="${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([finkdir])
AC_SUBST([finkbindir])

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

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

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

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

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

# 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 $rjk_cv_atoll_declared = yes; then
    AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
  fi
fi
AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
  missing_functions="$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

# Functions we can take or leave
AC_CHECK_FUNCS([fls])

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

AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
if test $want_gtk = yes; then
  AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
fi

if test "x$GCC" = xyes; then
  # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
  # by default.
  AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
    AC_TRY_COMPILE([#include <limits.h>],[
      long long n = LLONG_MAX;
    ],[rjk_cv_cstd=default],[
      old_CC="$CC"
      CC="${CC} -std=gnu99"
      AC_TRY_COMPILE([#include <limits.h>],[
        long long n = LLONG_MAX;
      ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
      CC="$old_CC"
    ])
  ])
  case $rjk_cv_cstd in
  default | unknown )
    ;;
  * )
    CC="${CC} -std=${rjk_cv_cstd}"
    ;;
  esac

  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
  AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
    old_CC="$CC"
    if test $GCC = yes; then
      CC="$CC -Wall -Werror"
    fi
    AC_COMPILE_IFELSE([
      static int x(char *f) {
       return *f;
      }
      int z(const char *g) {
	return x((char *)g);
      }],
      [rjk_cv_pr29478=no],
      [rjk_cv_pr29478=yes]
    )
    CC="$old_CC"
  ])
  if test $rjk_cv_pr29478 = yes; then
    gcc_werror=''
  fi

  # 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'`"

  if test "$gcc_werror" != ''; then
    # GCC 2.95 doesn't know to ignore warnings from system headers
    AC_CACHE_CHECK([whether -Werror is usable],
		    rjk_cv_werror, [
      save_CFLAGS="${CFLAGS}"
      CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
      AC_TRY_COMPILE([#if WITH_GTK
 #include <gtk/gtk.h>
#endif

struct s { int a, b; };
const struct s sv = { .a = 1 };],
		     [],
		     [rjk_cv_werror=yes],
		     [rjk_cv_werror=no])
      CFLAGS="${save_CFLAGS}"
    ])
    if test $rjk_cv_werror = no; then
      gcc_werror=''
    fi
  fi
  CC="${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

RJK_GCOV

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

AC_CONFIG_FILES([Makefile
		 images/Makefile
		 scripts/Makefile
		 lib/Makefile
		 server/Makefile
		 cgi/Makefile
		 clients/Makefile
		 disobedience/Makefile
		 doc/Makefile
		 templates/Makefile
		 plugins/Makefile
		 driver/Makefile
		 debian/Makefile
		 sounds/Makefile
		 python/Makefile
		 examples/Makefile
		 libtests/Makefile
		 tests/Makefile])
AC_OUTPUT

if test $GCC = yes && test "$gcc_werror" = ''; then
  AC_MSG_WARN([building without -Werror])
fi
if test $want_python = no; then
  AC_MSG_WARN([cannot run the test suit without Python])
fi
Commit	Line	Data
460b9539	1	# Process this file with autoconf to produce a configure script.
	2	#
	3	# This file is part of DisOrder.
5aff007d	4	# Copyright (C) 2004-2008 Richard Kettlewell
313acc77	5	# Portions copyright (C) 2007 Ross Younger
460b9539	6	#
	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 2 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful, but
	13	# WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	# General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program; if not, write to the Free Software
	19	# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	20	# USA
	21	#
	22
bea6f6d5	23	AC_INIT([disorder], [3.0+], [richard+disorder@sfere.greenend.org.uk])
460b9539	24	AC_CONFIG_AUX_DIR([config.aux])
bea6f6d5	25	AM_INIT_AUTOMAKE(disorder, [3.0+])
460b9539	26	AC_CONFIG_SRCDIR([server/disorderd.c])
	27	AM_CONFIG_HEADER([config.h])
	28
dea8f8aa RK	29	# Find host type
	30	AC_CANONICAL_HOST
	31
460b9539	32	# What we want to build
460b9539	33	want_gtk=yes
460b9539	34	want_python=yes
7affb407	35	want_tests=yes
460b9539	36
e2f0c461 RK	37	# APIs we want
	38	want_alsa=yes
	39	want_oss=yes
	40	want_coreaudio=yes
	41
a9f0ad12 RK	42	# Checks for programs.
	43	AC_PROG_CC
	44	AC_SET_MAKE
	45	if test "x$GCC" = xyes; then
	46	gcc_werror=-Werror
	47	else
fdca70ee	48	AC_MSG_ERROR([GNU C is required to build this program])
a9f0ad12 RK	49	gcc_werror=""
	50	fi
	51
e2f0c461 RK	52	AC_ARG_WITH([alsa],
	53	[AS_HELP_STRING([--without-alsa],
	54	[do not build with ALSA support])],
	55	[want_alsa=$withval])
	56	AC_ARG_WITH([oss],
	57	[AS_HELP_STRING([--without-oss],
	58	[do not build with OSS support])],
	59	[want_oss=$withval])
	60	AC_ARG_WITH([coreaudio],
	61	[AS_HELP_STRING([--without-coreaudio],
	62	[do not build with Core Audio support])],
	63	[want_coreaudio=$withval])
7affb407 RK	64	AC_ARG_WITH([tests],
	65	[AS_HELP_STRING([--without-tests],
	66	[do not build test suit])],
	67	[want_tests=$withval])
e2f0c461	68
a9f0ad12	69	AC_MSG_CHECKING([for a known target platform])
dea8f8aa	70	case "$host" in
a9f0ad12	71	empeg )
e3426f7b	72	AC_MSG_RESULT([empeg car stereo])
a9f0ad12 RK	73	AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
	74	# work around broken toolchain
	75	AC_CHECK_LIB([gpg-error], [gpg_strerror])
e3426f7b	76	AC_CHECK_LIB([pthread], [pthread_create])
a9f0ad12	77	want_server=no
a9f0ad12	78	;;
dea8f8aa	79	linux \| Linux )
a9f0ad12	80	AC_MSG_RESULT([Linux])
e3426f7b	81	want_server=yes
dea8f8aa	82	;;
9086a105	83	-apple-darwin )
e3426f7b	84	AC_MSG_RESULT([Mac OS X])
e2f0c461 RK	85	want_server=yes
	86	if test $want_coreaudio = yes; then
	87	COREAUDIO="-framework CoreAudio"
	88	fi
0ec4c5e6	89	browser=open
8fcf5c48 RK	90	AC_MSG_CHECKING([Mac OS X target version])
	91	# We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
	92	# behaviour. But we provide a command line option to override it and
	93	# we default to wide support instead of supporting only the build platform.
	94	#
	95	# Currently if you ask for 10.5 you will get a deprecation warning
	96	# when building the CoreAudio support code. For the time being the
	97	# answer to this is "don't do that then". If a good reason to ask
	98	# for a 10.5 deployment target emerges then this will be fixed.
	99	if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
	100	MACOSX_DEPLOYMENT_TARGET=10.0
	101	fi
	102	AC_ARG_WITH([deployment-target],
	103	[AS_HELP_STRING([--with-deployment-target=TARGET],
	104	[set target OS X version])],
	105	[MACOSX_DEPLOYMENT_TARGET=$withval])
	106	# Convert to desired format
	107	underscored=`echo $MACOSX_DEPLOYMENT_TARGET\|sed 's/\./_/'`
	108	minver="MAC_OS_X_VERSION_$underscored"
	109	AC_MSG_RESULT([$minver])
	110	AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
	111	[define to minimum version of Mac OS X to support])
9086a105	112	;;
70f47acd RK	113	-freebsd )
	114	AC_MSG_RESULT([FreeBSD])
	115	want_server=yes
edbd470f	116	# Ports install to /usr/local but the compiler stupidly doesn't look
edbd470f	117	# there by default
70f47acd	118	LDFLAGS="${LDFLAGS} -L/usr/local/lib"
e6ea27d8	119	CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
42f43a11 RK	120	# Look for a suitable version of libdb among the versions found in FreeBSD 7.0
	121	AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
	122	rjk_cv_libdb="none"
	123	for db in db43 db44 db45 db46; do
	124	if test -e /usr/local/lib/$db; then
	125	rjk_cv_libdb=$db
	126	break
	127	fi
	128	done
	129	])
	130	if test $rjk_cv_libdb != none; then
	131	LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
	132	CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
	133	fi
70f47acd	134	;;
dea8f8aa	135	* )
a9f0ad12	136	AC_MSG_RESULT([unknown, winging it])
e3426f7b	137	want_server=no
dea8f8aa RK	138	;;
dea8f8aa RK	139	esac
9086a105	140	AC_SUBST([COREAUDIO])
dea8f8aa	141
f486ea18 RK	142	AC_ARG_WITH([browser],
	143	[AS_HELP_STRING([--with-browser=BROWSER],
	144	[use BROWSER to display HTML])],
	145	[browser=$withval])
	146
	147	AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
	148	rjk_cv_browser=UNKNOWN
58d97da4	149	for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
f486ea18 RK	150	if type $candidate >/dev/null 2>&1; then
	151	rjk_cv_browser="$candidate"
	152	break
	153	fi
	154	done
	155	])
	156	if test -z "$browser"; then
	157	browser="$rjk_cv_browser"
	158	fi
	159	AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
	160
460b9539	161	AC_ARG_WITH([server],
	162	[AS_HELP_STRING([--without-server],
	163	[do not build server])],
	164	[want_server=$withval])
	165	AC_ARG_WITH([gtk],
	166	[AS_HELP_STRING([--without-gtk],
	167	[do not build GTK+ client])],
	168	[want_gtk=$withval])
	169	AC_ARG_WITH([python],
	170	[AS_HELP_STRING([--without-python],
	171	[do not build Python support])],
	172	[want_python=$withval])
	173
7affb407 RK	174	subdirs="scripts lib"
	175	if test $want_tests = yes; then
	176	subdirs="${subdirs} libtests"
	177	fi
	178	subdirs="${subdirs} clients doc examples debian"
460b9539	179
460b9539	180	if test $want_server = yes; then
05b75f8d	181	subdirs="${subdirs} server cgi plugins driver templates sounds images"
460b9539	182	fi
460b9539	183	if test $want_gtk = yes; then
	184	subdirs="${subdirs} disobedience"
	185	if test $want_server = no; then
	186	subdirs="${subdirs} images"
	187	fi
	188	fi
7affb407	189	if test $want_tests = yes && test $want_python = yes; then
56fac00d RK	190	AM_PATH_PYTHON([2.4])
	191	subdirs="${subdirs} python tests"
	192	fi
460b9539	193	AC_SUBST([subdirs])
	194
	195	# libtool config
	196	AC_LIBTOOL_DLOPEN
	197	AC_DISABLE_STATIC
	198
	199	AC_PROG_LIBTOOL
	200
edbd470f	201	AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
	202	rjk_cv_gnused="not found"
	203	for candidate in sed gsed; do
	204	if $candidate --version >/dev/null 2>&1; then
	205	rjk_cv_gnused=$candidate
	206	fi
	207	done
	208	])
	209	GNUSED="${GNUSED:-$rjk_cv_gnused}"
	210	if test "$GNUSED" = "not found"; then
	211	AC_MSG_ERROR([GNU sed is required to build this program])
	212	fi
	213	AC_SUBST([GNUSED])
	214
4b9b77a6 RK	215	AC_CHECK_PROGS([GROG],[grog])
	216	AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
	217
460b9539	218	missing_libraries=""
	219	missing_headers=""
	220	missing_functions=""
	221
	222	AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
	223
2eee4b0c RK	224	AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
2eee4b0c RK	225
460b9539	226	# Macs might have libraries under fink's root
	227	AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
	228	if test "x$FINK" != xnone; then
	229	AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
	230	rjk_cv_finkprefix="`echo "$FINK" \| sed 's,/bin/fink$,,'`"
	231	])
f9592fe7	232	finkdir="${rjk_cv_finkprefix}"
e83d0967	233	finkbindir="${rjk_cv_finkprefix}/bin"
762f2539	234	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
460b9539	235	if test $want_server = yes; then
	236	CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
	237	fi
	238	LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
e83d0967 RK	239	else
e83d0967 RK	240	finkbindir=""
460b9539	241	fi
f9592fe7	242	AC_SUBST([finkdir])
e83d0967	243	AC_SUBST([finkbindir])
460b9539	244
	245	# Checks for libraries.
	246	# We save up a list of missing libraries that we can't do without
	247	# and report them all at once.
	248	AC_CHECK_LIB(gc, GC_malloc, [AC_SUBST(LIBGC,[-lgc])],
	249	[missing_libraries="$missing_libraries libgc"])
	250	AC_CHECK_LIB(gcrypt, gcry_md_open,
	251	[AC_SUBST(LIBGCRYPT,[-lgcrypt])],
	252	[missing_libraries="$missing_libraries libgcrypt"])
	253	AC_CHECK_LIB(pcre, pcre_compile,
	254	[AC_SUBST(LIBPCRE,[-lpcre])],
	255	[missing_libraries="$missing_libraries libpcre"])
e2f0c461 RK	256	if test $want_alsa = yes; then
	257	AC_CHECK_LIB([asound], [snd_pcm_open],
	258	[AC_SUBST(LIBASOUND,[-lasound])])
	259	fi
460b9539	260	if test $want_server = yes; then
	261	RJK_CHECK_LIB(db, db_create, [#include <db.h>],
	262	[AC_SUBST(LIBDB,[-ldb])],
	263	[missing_libraries="$missing_libraries libdb"])
	264	AC_CHECK_LIB(vorbis, vorbis_info_clear,
	265	[:],
	266	[missing_libraries="$missing_libraries libvorbis"])
	267	AC_CHECK_LIB(vorbisfile, ov_open,
	268	[AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
	269	[missing_libraries="$missing_libraries libvorbisfile"],
	270	[-lvorbis])
	271	AC_CHECK_LIB(mad, mad_stream_init,
	272	[AC_SUBST(LIBMAD,[-lmad])],
	273	[missing_libraries="$missing_libraries libmad"])
	274	AC_CHECK_LIB([ao], [ao_initialize],
	275	[AC_SUBST(LIBAO,[-lao])],
	276	[missing_libraries="$missing_libraries libao"])
c57f1201	277	AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
	278	[AC_SUBST(LIBFLAC,[-lFLAC])],
	279	[missing_libraries="$missing_libraries libFLAC"])
d19ccd72	280	fi
edbd470f	281	AC_CHECK_LIB([pthread], [pthread_create],
	282	[AC_SUBST(LIBPTHREAD,[-lpthread])],
	283	[missing_libraries="$missing_libraries libpthread"])
460b9539	284
	285	if test $want_gtk = yes; then
	286	AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
	287	AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
	288	fi
	289
	290	# Some platforms have iconv already
	291	AC_CHECK_FUNC(iconv_open, [:],
	292	[RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
	293	[AC_SUBST(LIBICONV,[-liconv])],
	294	[missing_functions="$missing_functions iconv_open"])])
	295	AC_CHECK_FUNC([gethostbyname],[:],[
	296	AC_CHECK_LIB(nsl,gethostbyname,
	297	[AC_SUBST(LIBNSL,[-lnsl])],
	298	[missing_functions="$missing_functions gethostbyname"])])
	299	AC_CHECK_FUNC([socket],[:],[
	300	AC_CHECK_LIB(socket,socket,
	301	[AC_SUBST(LIBSOCKET,[-lsocket])],
	302	[missing_functions="$missing_functions socket"])])
	303	AC_CHECK_FUNC([dlopen],[:],[
	304	AC_CHECK_LIB(dl,dlopen,
	305	[AC_SUBST(LIBDL,[-ldl])],
	306	[missing_functions="$missing_functions dlopen"])])
	307
	308	if test ! -z "$missing_libraries"; then
	309	AC_MSG_ERROR([missing libraries:$missing_libraries])
	310	fi
	311
460b9539	312	# Checks for header files.
460b9539	313	RJK_FIND_GC_H
e2f0c461 RK	314	if test $want_oss = yes; then
	315	AC_CHECK_HEADERS([sys/soundcard.h])
	316	fi
	317	if test $want_alsa = yes; then
	318	AC_CHECK_HEADERS([alsa/asoundlib.h])
	319	fi
	320	if test $want_coreaudio = yes; then
	321	AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
	322	fi
	323	AC_CHECK_HEADERS([inttypes.h])
146e86fb	324	# We don't bother checking very standard stuff
460b9539	325	# Compilation will fail if any of these headers are missing, so we
460b9539	326	# check for them here and fail early.
460b9539	327	if test $want_server = yes; then
	328	AC_CHECK_HEADERS([db.h],[:],[
	329	missing_headers="$missing_headers $ac_header"
	330	])
762806f1	331	AC_CHECK_HEADERS([FLAC/file_decoder.h])
460b9539	332	fi
	333	AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
	334	getopt.h iconv.h langinfo.h \
	335	pcre.h sys/ioctl.h \
	336	syslog.h unistd.h],[:],[
	337	missing_headers="$missing_headers $ac_header"
	338	])
	339
	340	if test ! -z "$missing_headers"; then
	341	AC_MSG_ERROR([missing headers:$missing_headers])
	342	fi
	343
70f47acd RK	344	# We require that libpcre support UTF-8
	345	RJK_REQUIRE_PCRE_UTF8([-lpcre])
	346
460b9539	347	# Checks for typedefs, structures, and compiler characteristics.
	348	AC_C_CONST
	349	AC_TYPE_SIZE_T
	350	AC_C_INLINE
5330d674	351	AC_C_BIGENDIAN
460b9539	352	AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
	353	#include <netinet/in.h>])
	354
	355	# enable -Werror when we check for certain characteristics:
	356
	357	old_CFLAGS="${CFLAGS}"
	358	CFLAGS="${CFLAGS} $gcc_werror"
	359	AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
	360
	361	# Some GCC invocations warn for converting function pointers to void *.
	362	# This is fair enough, as it's technically forbidden, but we use dlsym()
	363	# which can pretty much only exist if object and function pointers are
	364	# interconvertable. So we disable -Werror if need be.
	365	if test ! -z "$gcc_werror"; then
	366	AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
	367	[rjk_cv_function_pointer_cast],[
	368	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	369	void somefunction(void);],
	370	[(void *)somefunction])],
	371	[rjk_cv_function_pointer_cast=yes],
	372	[rjk_cv_function_pointer_cast=no])])
	373	if test $rjk_cv_function_pointer_cast = no; then
	374	gcc_werror=""
	375	fi
	376	fi
	377
	378	CFLAGS="${old_CFLAGS}"
	379
	380	# gcrypt maintainers keep changing everything. Design your interface
	381	# first, then implement it once, rather than getting it wrong three or
	382	# four times and shipping between each attempt.
	383	AC_CACHE_CHECK([for hash handle type in <grypt.h>],
	384	[rjk_cv_gcrypt_hash_handle],[
	385	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	386	#include <gcrypt.h>
	387	],
	388	[gcry_md_hd_t h;])],
	389	[rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
	390	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	391	#include <gcrypt.h>
	392	],
	393	[GcryMDHd h;])],
	394	[rjk_cv_gcrypt_hash_handle=GcryMDHd],
	395	[rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
	396	AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
	397	[libgcrypt hash handle type])
	398
	399	AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
	400	[rjk_cv_have_gcry_error_t],[
	401	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
	402	#include <gcrypt.h>
	403	],
	404	[gcry_error_t e;])],
	405	[rjk_cv_have_gcry_error_t=yes],
	406	[rjk_cv_have_gcry_error_t=no])])
	407	if test $rjk_cv_have_gcry_error_t = yes; then
	408	AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
	409	fi
	410
	411	# Checks for functions
	412	if test $ac_cv_type_long_long = yes; then
	413	AC_CHECK_FUNCS([atoll strtoll],[:],[
	414	missing_functions="$missing_functions $ac_func"
	415	])
416	# Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
417	AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
418	[rjk_cv_strtoll_declared],[
419	AC_EGREP_HEADER([strtoll], [stdlib.h],
420	[rjk_cv_strtoll_declared=yes],
421	[rjk_cv_strtoll_declared=no])])
422	if test $rjk_cv_strtoll_declared = yes; then
423	AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
424	fi
425	AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
426	[rjk_cv_atoll_declared],[
427	AC_EGREP_HEADER([atoll], [stdlib.h],
428	[rjk_cv_atoll_declared=yes],
429	[rjk_cv_atoll_declared=no])])
430	if test $rjk_cv_atoll_declared = yes; then
431	AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
432	fi
433	fi
5b708e0c	434	AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
460b9539	435	missing_functions="$missing_functions $ac_func"
	436	])
	437	# fsync will do if fdatasync not available
	438	AC_CHECK_FUNCS([fdatasync],[:],[
	439	AC_CHECK_FUNCS([fsync],
	440	[AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
	441	[missing_functions="$missing_functions fdatasync"])])
	442	if test ! -z "$missing_functions"; then
	443	AC_MSG_ERROR([missing functions:$missing_functions])
	444	fi
7c8c2fc9 RK	445
	446	# Functions we can take or leave
	447	AC_CHECK_FUNCS([fls])
	448
460b9539	449	if test $want_server = yes; then
	450	# <db.h> had better be version 3 or later
	451	AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
	452	AC_PREPROC_IFELSE([
	453	#include <db.h>
	454	#ifndef DB_VERSION_MAJOR
	455	# error cannot determine db version
	456	#endif
	457	#if DB_VERSION_MAJOR < 4
	458	# error inadequate db version
	459	#endif
f4687532	460	#if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
460b9539	461	# error inadequate db version
	462	#endif
	463	],
	464	[rjk_cv_db_version=ok],
	465	[rjk_cv_db_version=inadequate])
	466	])
	467	if test $rjk_cv_db_version != ok; then
	468	AC_MSG_ERROR([need db.h version at least 4.2])
	469	fi
	470	fi
	471
e63c38e8	472	AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
588b2763 RK	473	if test $want_gtk = yes; then
	474	AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
	475	fi
e63c38e8	476
460b9539	477	if test "x$GCC" = xyes; then
e84ca290 RK	478	# We need LLONG_MAX and annoyingly GCC doesn't always give it to us
	479	# by default.
	480	AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
	481	AC_TRY_COMPILE([#include <limits.h>],[
	482	long long n = LLONG_MAX;
	483	],[rjk_cv_cstd=default],[
	484	old_CC="$CC"
	485	CC="${CC} -std=gnu99"
	486	AC_TRY_COMPILE([#include <limits.h>],[
	487	long long n = LLONG_MAX;
	488	],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
	489	CC="$old_CC"
	490	])
	491	])
	492	case $rjk_cv_cstd in
	493	default \| unknown )
	494	;;
	495	* )
	496	CC="${CC} -std=${rjk_cv_cstd}"
	497	;;
	498	esac
	499
f368d6c7 RK	500	# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
	501	AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
	502	old_CC="$CC"
	503	if test $GCC = yes; then
	504	CC="$CC -Wall -Werror"
	505	fi
	506	AC_COMPILE_IFELSE([
	507	static int x(char *f) {
	508	return *f;
	509	}
	510	int z(const char *g) {
	511	return x((char *)g);
	512	}],
	513	[rjk_cv_pr29478=no],
	514	[rjk_cv_pr29478=yes]
	515	)
	516	CC="$old_CC"
	517	])
	518	if test $rjk_cv_pr29478 = yes; then
	519	gcc_werror=''
	520	fi
	521
460b9539	522	# a reasonable default set of warnings
	523	CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
	524	-Wwrite-strings -Wmissing-prototypes \
	525	-Wmissing-declarations -Wnested-externs"
	526
	527	# Fix up GTK+ and GLib compiler flags
	528	GTK_CFLAGS="`echo \"$GTK_CFLAGS\"\|sed 's/-I/-isystem /g'`"
	529	GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"\|sed 's/-I/-isystem /g'`"
	530
f368d6c7 RK	531	if test "$gcc_werror" != ''; then
	532	# GCC 2.95 doesn't know to ignore warnings from system headers
	533	AC_CACHE_CHECK([whether -Werror is usable],
	534	rjk_cv_werror, [
	535	save_CFLAGS="${CFLAGS}"
	536	CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
588b2763 RK	537	AC_TRY_COMPILE([#if WITH_GTK
	538	#include <gtk/gtk.h>
	539	#endif
	540
	541	struct s { int a, b; };
	542	const struct s sv = { .a = 1 };],
f368d6c7 RK	543	[],
	544	[rjk_cv_werror=yes],
	545	[rjk_cv_werror=no])
	546	CFLAGS="${save_CFLAGS}"
	547	])
	548	if test $rjk_cv_werror = no; then
	549	gcc_werror=''
	550	fi
460b9539	551	fi
	552	CC="${CC} $gcc_werror"
	553
	554	# for older GCCs that don't know %ju (etc)
9a5f7aba	555	AC_CACHE_CHECK([whether -Wno-format is required],
460b9539	556	rjk_cv_noformat,
	557	AC_TRY_COMPILE([#include <stdio.h>
	558	#include <stdint.h>
	559	],
	560	[printf("%ju", (uintmax_t)0);],
	561	[rjk_cv_noformat=no],
	562	[rjk_cv_noformat=yes]))
	563	if test $rjk_cv_noformat = yes; then
	564	CC="${CC} -Wno-format"
	565	fi
	566
9a5f7aba	567	AC_CACHE_CHECK([whether -Wshadow is OK],
460b9539	568	rjk_cv_shadow,
	569	oldCC="${CC}"
	570	CC="${CC} -Wshadow"
	571	[AC_TRY_COMPILE([
	572	#include <unistd.h>
	573	#include <vorbis/vorbisfile.h>
	574	],
	575	[],
	576	[rjk_cv_shadow=yes],
	577	[rjk_cv_shadow=no])
	578	CC="${oldCC}"])
	579	if test $rjk_cv_shadow = yes; then
	580	CC="${CC} -Wshadow"
	581	fi
460b9539	582	fi
460b9539	583
1a00f590 RK	584	RJK_GCOV
1a00f590 RK	585
460b9539	586	AH_BOTTOM([#ifdef __GNUC__
	587	# define attribute(x) __attribute__(x)
	588	#else
	589	# define attribute(x)
	590	#endif])
	591
	592	AC_CONFIG_FILES([Makefile
460b9539	593	images/Makefile
	594	scripts/Makefile
	595	lib/Makefile
	596	server/Makefile
05b75f8d	597	cgi/Makefile
460b9539	598	clients/Makefile
	599	disobedience/Makefile
	600	doc/Makefile
3e1616b6	601	templates/Makefile
460b9539	602	plugins/Makefile
	603	driver/Makefile
	604	debian/Makefile
	605	sounds/Makefile
	606	python/Makefile
c5dbcd79	607	examples/Makefile
7affb407	608	libtests/Makefile
c5dbcd79	609	tests/Makefile])
460b9539	610	AC_OUTPUT
f368d6c7 RK	611
	612	if test $GCC = yes && test "$gcc_werror" = ''; then
	613	AC_MSG_WARN([building without -Werror])
	614	fi
56fac00d RK	615	if test $want_python = no; then
	616	AC_MSG_WARN([cannot run the test suit without Python])
	617	fi