AC_INIT([r3], 1.0)
AC_PREREQ([2.64])
AC_CONFIG_HEADERS(config.h)
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign])
LT_INIT
AC_PROG_CC
AC_PROG_CC_STDC

# AM_PATH_CHECK()
AM_PATH_CHECK(,[have_check="yes"],
  AC_MSG_WARN([Check not found; cannot run unit tests!])
  [have_check="no"])
AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")

AC_CHECK_HEADERS([stdlib.h string.h sys/time.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_C_INLINE
AC_TYPE_SIZE_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([gettimeofday memset strchr strdup strndup strstr])



PKG_PROG_PKG_CONFIG

# AC_ARG_ENABLE([graphviz],
#   AS_HELP_STRING([--enable-graphviz], [Enable graphviz feature]))


AC_ARG_ENABLE(graphviz,
              AS_HELP_STRING([--enable-graphviz],
                             [enable graphviz support]),
              , enable_graphviz=unset)





if test "x$enable_graphviz" != "xunset" ; then
   PKG_CHECK_MODULES(GVC_DEPS, [libgvc])
   AC_SUBST(GVC_DEPS_CFLAGS)
   AC_SUBST(GVC_DEPS_LIBS)
fi

AM_CONDITIONAL(ENABLE_GRAPHVIZ, test "x$enable_graphviz" = "xyes")


AC_ARG_ENABLE([debug],
[  --enable-debug    Turn on debugging],
[case "${enableval}" in
  yes) enable_debug=true ;;
  no)  enable_debug=false ;;
  *) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
esac],[enable_debug=false])
AM_CONDITIONAL([DEBUG], [test x$enable_debug = xtrue])


#  fi],[
#     AC_DEFINE(ENABLE_GRAPHVIZ, 0, [Graphviz support disabled.])
#     AM_CONDITIONAL(ENABLE_GRAPHVIZ, 0)
# AC_ARG_ENABLE(graphviz,
#  [ --enable-graphvizviz Build with graphviz support],
#  [if test x$enableval != xyes; then
#     AC_DEFINE(ENABLE_GRAPHVIZ, 1, [Graphviz support enabled.])
#     PKG_CHECK_MODULES(GVC_DEPS, [libgvc])
#     AC_SUBST(GVC_DEPS_CFLAGS)
#     AC_SUBST(GVC_DEPS_LIBS)
#     AM_CONDITIONAL(ENABLE_GRAPHVIZ, 1)
#  fi],[
#     AC_DEFINE(ENABLE_GRAPHVIZ, 0, [Graphviz support disabled.])
#     AM_CONDITIONAL(ENABLE_GRAPHVIZ, 0)
#  ])


PKG_CHECK_MODULES(DEPS, [libpcre check])
AC_SUBST(DEPS_CFLAGS)
AC_SUBST(DEPS_LIBS)
AC_CONFIG_FILES([
  r3.pc
  Makefile
  src/Makefile
  tests/Makefile
])
AC_OUTPUT