AC_INIT(shoes/shoes.h)

SHOES_MAJOR_VERSION=1
SHOES_MINOR_VERSION=0
SHOES_MICRO_VERSION=0

SHOES_VERSION="$SHOES_MAJOR_VERSION.$SHOES_MINOR_VERSION.$SHOES_MICRO_VERSION"

AC_SUBST(SHOES_MAJOR_VERSION)
AC_SUBST(SHOES_MINOR_VERSION)
AC_SUBST(SHOES_MICRO_VERSION)
AC_SUBST(SHOES_VERSION)

LT_CURRENT=`expr 10 '*' $SHOES_MAJOR_VERSION + $SHOES_MINOR_VERSION`
LT_REVISION=$SHOES_MICRO_VERSION
# For 1.0.0 comment the first line and uncomment the second
#LT_AGE=0
LT_AGE=$SHOES_MINOR_VERSION
LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
AC_SUBST(LT_CURRENT_MINUS_AGE)

AM_INIT_AUTOMAKE(libshoes, $SHOES_VERSION)

AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_LIBTOOL_WIN32_DLL
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_PROG_LN_S
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

DEPS_CFLAGS=
DEPS_EXTRA_CFLAGS=
DEPS_LIBS=
DEPS_PKGS=

# check if asio is available
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([asio.hpp], [], 
[
	AC_MSG_ERROR([asio is required for libshoes, see http://tenermerx.com/Asio/])
])
AC_LANG_POP

AC_MSG_CHECKING([for native Win32])
case "$host" in
	*-*-mingw*)
		native_win32=yes
		DEPS_LIBS="$DEPS_LIBS -lws2_32"
		LIBSHOES_WIN32_RESOURCE=libshoes-win32res.lo
	;;
	*)
		native_win32=no
		LIBSHOES_WIN32_RESOURCE=
	;;
esac
AC_MSG_RESULT([$native_win32])
AM_CONDITIONAL(OS_WIN32, test "$native_win32" == yes)
AC_SUBST(LIBSHOES_WIN32_RESOURCE)

# check if asio is available
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([asio.hpp], [], 
[
	AC_MSG_ERROR([asio is required for libshoes, see http://tenermerx.com/Asio/])
])
AC_LANG_POP

if test x"$native_win32" = xyes; then
	# Assume Windows XP target for asio
	DEPS_CFLAGS="$DEPS_CFLAGS -D_WIN32_WINNT=0x0501"
  	AC_CHECK_TOOL(WINDRES, windres)
else
	# asio requires linking against pthread on non-win32 platforms
	DEPS_LIBS+="-lpthread";
fi

AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug], [enable debugging support])],
[
	case "${enableval}" in
	   yes)	debug=true ;
		DEBUG_CXXFLAGS="-DDEBUG -O0 -g" ;;
	    no)	debug=false ;
		DEBUG_CXXFLAGS="-DNDEBUG" ;;
	     *)	AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
	esac
],[	debug=false
	DEBUG_CXXFLAGS="-DNDEBUG" 
])

SHOES_CXXFLAGS="$DEPS_CFLAGS $DEBUG_CXXFLAGS"
SHOES_LIBS="$DEPS_LIBS"

AC_SUBST(SHOES_CXXFLAGS)
AC_SUBST(SHOES_LIBS)


AC_OUTPUT([
 build/Makefile
 build/win32/Makefile
 shoes/Makefile
 shoes/libshoes.rc
 test/Makefile
 Makefile
 libshoes-1.0.pc
])

echo "
    Configuration
        Debugging support:             ${debug}"

if test x"$native_win32" = xyes; then
echo "        Building for Windows platform: Assuming Windows XP target
"
else
echo "        Building for unix platform
"
fi