dnl Process this file with autoconf to produce a configure script.
AC_INIT(lib/musicbrainz.cpp)
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(libmusicbrainz, 2.1.5)

AM_MAINTAINER_MODE

dnl Canonicalize host.
AC_CANONICAL_HOST
case "${host_cpu}-${host_os}" in
  *-beos*)    os=beos; LIBS='-lbe -lroot' ;;
  *-cygwin*)  os=cygwin; LIBS='-lwinmm' ;;
  *-freebsd*) os=freebsd ;;
  *-kfreebsd*)os=freebsd ;;
  *-darwin*)  os=darwin ;;
  *-irix*)    os=irix; CXXFLAGS="$CFLAGS -fsquangle"; 
                       LIBS='-lcdaudio -lmediad -lds' ;; 
  *-linux*)   os=linux ;;
  *-netbsd*)  os=netbsd ;;
  *-openbsd*) os=openbsd ;;
  *-os2_emx*) os=os2 ;;
  *-solaris*) os=solaris; LIBS='-lsocket -lnsl' ;;
  *-qnx*)     os=qnx; LIBS='-lsocket' ;;
  *)          AC_MSG_RESULT([WARNING: unknown system]) ;;
esac
AM_CONDITIONAL(DARWIN, test x$os = xdarwin)

dnl right now we specialize by linking (subject to change)
AC_LINK_FILES(osdep/mb_${os}.cpp osdep/mb_${os}.h, lib/mb.cpp lib/mb.h)

dnl Checks for programs.
AC_PREREQ(2.52)
AC_PROG_AWK
AC_PROG_CC
AM_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)  
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_LN_S
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(long)

if test "$GCC" = yes; then
  CFLAGS="$CFLAGS -Wall -O2"
fi
if test "$GXX" = yes; then
  CXXFLAGS="$CXXFLAGS -Wall -O2"
fi

dnl Checks for libraries.

dnl libexpat check
AC_CHECK_LIB(expat, XML_ExpatVersion,
	[EXPAT_LIBS="-lexpat"], [
	echo "*"
	echo "*  expat is needed to build this library. It is either not"
	echo "*  installed on your system or it is too old."
	echo "*  Please download it from http://expat.sourceforge.net."
	echo "*"
	AC_MSG_ERROR("Cannot build. Stop.")], -lexpat)

AC_SUBST(EXPAT_LIBS)

dnl Checks for header files.

dnl Checks for typedefs, structures, and compiler characteristics.

AC_DEFUN([AC_PROTOTYPE],[
 pushdef([function],translit([$1], [a-z], [A-Z]))
 pushdef([tags],[AC_PROTOTYPE_TAGS(builtin([shift],builtin([shift],builtin([shift],$@))))])
 for i in 1
 do
   AC_PROTOTYPE_LOOP(AC_PROTOTYPE_REVERSE($1, AC_PROTOTYPE_SUBST($2,tags),AC_PROTOTYPE_SUBST($3, tags),builtin([shift],builtin([shift],builtin([shift],$@)))))
   AC_MSG_ERROR($1 unable to find a working combination)
 done
 popdef([tags])
 popdef([function])
])

AC_DEFUN([AC_PROTOTYPE_REVERSE],[ifelse($#,0,,$#,1,[[$1]],[AC_PROTOTYPE_REVERSE(builtin([shift],$@)),[$1]])])

AC_DEFUN([AC_PROTOTYPE_SUBST],[ifelse($2,,[$1],[AC_PROTOTYPE_SUBST(patsubst([$1],[$2],[$2[]_VAL]),builtin([shift],builtin([shift],$@)))])])

AC_DEFUN([AC_PROTOTYPE_TAGS],[ifelse($1,,[],[$1, AC_PROTOTYPE_TAGS(builtin([shift],builtin([shift],$@)))])])
AC_DEFUN([AC_PROTOTYPE_DEFINES],[ifelse($1,,[],[AC_DEFINE(function[]_$1, $1_VAL) AC_PROTOTYPE_DEFINES(builtin([shift],$@))])])

AC_DEFUN([AC_PROTOTYPE_STATUS],[ifelse($1,,[],[$1 => $1_VAL AC_PROTOTYPE_STATUS(builtin([shift],$@))])])

AC_DEFUN([AC_PROTOTYPE_EACH],[
  ifelse($2,, [
  ], [
    pushdef([$1_VAL], $2)
    AC_PROTOTYPE_LOOP(rest)
    popdef([$1_VAL])
    AC_PROTOTYPE_EACH($1, builtin([shift], builtin([shift], $@)))
  ])
])

AC_DEFUN([AC_PROTOTYPE_LOOP],[
  ifelse(builtin([eval], $# > 3), 1,
  [
    pushdef([rest],[builtin([shift],builtin([shift],$@))])
    AC_PROTOTYPE_EACH($2,$1)
    popdef([rest])
  ], [
    AC_MSG_CHECKING($3 AC_PROTOTYPE_STATUS(tags))
    ac_save_CPPFLAGS="$CPPFLAGS"
    ifelse(AC_LANG(C++),,if test "$GXX" = "yes" ; then CPPFLAGS="$CPPFLAGS -Werror" ; fi)
    ifelse(AC_LANG(C),,if test "$GCC" = "yes" ; then CPPFLAGS="$CPPFLAGS -Werror" ; fi)
    AC_TRY_COMPILE($2, $1, [
      CPPFLAGS="$ac_save_CPPFLAGS"
      AC_MSG_RESULT(ok)
      AC_PROTOTYPE_DEFINES(tags)
      break;
    ], [
      CPPFLAGS="$ac_save_CPPFLAGS"
      AC_MSG_RESULT(not ok)
    ])
  ]
 )
])

AC_DEFUN([AC_PROTOTYPE_ACCEPT],[
AC_PROTOTYPE(accept,
 [
  #include <sys/types.h>
  #include <sys/socket.h>
 ],
 [
  int a = 0;
  ARG2 * b = 0;
  ARG3 * c = 0;
  accept(a, b, c);
 ],
 ARG2, [struct sockaddr, void],
 ARG3, [socklen_t, size_t, int, unsigned int, long unsigned int])
])

AC_DEFINE_UNQUOTED([ACCEPT_ARG2],,"Argument 2 to accept()")
AC_DEFINE_UNQUOTED([ACCEPT_ARG3],,"Argument 3 to accept()")
AC_PROTOTYPE_ACCEPT

AC_DEFINE_UNQUOTED(PREFIX, "${prefix}", [Application install prefix])

AC_OUTPUT([
Makefile 
include/Makefile 
include/musicbrainz/Makefile 
lib/Makefile 
osdep/Makefile
examples/Makefile
perl/Makefile
python/Makefile
python/examples/Makefile
python/test/Makefile
libmusicbrainz.pc], 
echo timestamp > stamp-h)