MOO_XT_DECLARE_EXTENSIONS([
### Everything above this line is boilerplate; do not edit.

##==================
%%extension unicode
##==================
  %disabled
  %? Character set:

  --enable- unicode = KWD,..
    %?- use original ASCII charset
    %?  support unicode

  %cdefine UNICODE_%s

  %option strings
    %alt strs
    %alt core
    %?  in STR values and nonbinary connections
  %option numbers
    %alt nums
    %?  in numeric constants
    %implies strs
  %option identifiers
    %alt ids
    %?  in variable names
    %implies strs
  %option_set code = ids,nums
  %option_set all  = code
  %option_set yes  = strs

  XT_CSRCS = utf.c

  %require uclib
    --with- uclib = LIB,..
      %?   choose Unicode character data source:
      %?*  (gnu=unistring, icu, ucd)

    %cdefine UNICODE_DATA UD_%s

    %lib unistring GNU
      %alt gnu
      %ac AC_SEARCH_LIBS([[unicode_character_name]], [[unistring]], [%USE%])
    %lib icu
      %ac MOO_LIB_ICUUC([%USE%])
    %lib ucd
      %ac AC_SEARCH_LIBS([[unicode_character_data]], [[ucd]], [%USE%])
      %build
        --with- ucdpath = DIR
          %?  use specified ucd build as uclib

        %dirvar ucd_dir
        CPPFLAGS = -I$(ucd_dir)
        XT_LOBJS = $(ucd_dir)/libucd.a

        %make <<END_UCD_MAKE
$(ucd_dir)/libucd.a:
	$(MAKE) -C $(ucd_dir) libucd.a

$(ucd_dir)/ucd.h:
	$(MAKE) -C $(ucd_dir) ucd.h

utf-ctype.o: $(ucd_dir)/ucd.h
END_UCD_MAKE

##=================
%%extension regexp
##=================
  %? Regular Expressions:

  %require relib
    --with- relib = LIB,..
      %?  choose RE engine (ylo,pcre)

    # yes, this is a hack:
    %ac_yes AS_IF([[$moo_xt_do_unicode]], [%LIBS%[=pcre]], [%LIBS%[=ylo]])

    %lib ylo
      XT_CSRCS = regexpr.c pattern_ylo.c
      XT_HDRS = regexpr.h
    %lib pcre
      XT_CSRCS = pattern_pcre.c
      %ac <<END
MOO_LIB_PCRE1([%USE%],
  [%FAIL%[="PCRE library not found (must be PCRE1, not PCRE2;
   use 'apt-get install libpcre3-dev' in Debian or Ubuntu;
   Fedora, Red Hat, MacOS homebrew all have 'pcre' packages)"]],
  [%FAIL%[="-lpcre cannot be used:  This PCRE1 library lacks
   either support for UTF-8 or for Unicode character properties.
   We need at least version 8."]])
END

##==============
%%extension xml
##==============
  %disabled
  %? XML:

  --enable- xml
    %? add xml parsing builtins

  XT_CSRCS = ext-xml.c

  %require xmllib
#    --with- xmllib = LIB,..
#      %? xml parser library

#    %lib xml2 XML_LIBXML
#      %ac AC_SEARCH_LIBS([[xmlParseDocument]], [[xml2]], [%USE%])

    %lib expat EXPAT_XML
      %ac AC_SEARCH_LIBS([[XML_Parse]], [[expat]], [%USE%])
      %build
        --with- expatpath = DIR
          %?  use this expat build

        %dirvar expat_dir
        %ac <<END
AS_SET_CATFILE([[moo_h_]], [%DIR%], [[expat.h]])
AS_IF([[test -r "$moo_h_"]],[],
  AC_DEFINE([EXPAT_XML_1_2_OR_BEFORE]))
END
        CPPFLAGS = -I$(expat_dir)
        XT_LOBJS = $(expat_dir)/xmlparse/libexpat.a

        %make <<END
$(expat_dir)/xmlparse/libexpat.a:
	$(MAKE) -C $(expat_dir) xmlparse/libexpat.a
END

##================
%%extension waifs
##================
  %disabled
  %? Waifs:

  --enable- waifs = KWD,..
    %?  lightweight object (WAIF) datatype

  XT_CSRCS = waif.c

  %option core WAIF_CORE
    %?  property and verb syntax only

  %option dict WAIF_DICT
    %?  add array syntax
    %implies core

  %option_set all = dict
  %option_set yes = dict


### Next line is boilerplate; do not edit.
],,,,,,,,[ end of extension declarations ],,,,,,,,

MOO_DECLARE_OPTIONS(

 [[UNICODE_IDENTIFIERS],  [bool], no,  [allow Unicode in identifiers]],
 [[UNICODE_NUMBERS],      [bool], no,  [allow Unicode in numeric constants]],

 [[WAIF_DICT],            [bool], no,  [array syntax for WAIFs]],
)


# MOO_LIB_ICUUC( <IF-FOUND>, <IF-NOT-FOUND> )
#
AC_DEFUN([MOO_LIB_ICUUC],
[AC_CACHE_CHECK([[for icu being installed]],[moo_cv_icuuc_lib],[[
_moo_save_libs=$LIBS
moo_cv_icuuc_lib=
LIBS="-licuuc $_moo_save_libs"]
AC_LINK_IFELSE([AC_LANG_PROGRAM(
  [[@%:@include <unicode/uchar.h>]],
  [[UChar32 c; int j = u_charDigitValue(c);]])],[[
  moo_cv_icuuc_lib=yes
]],[[
  moo_cv_icuuc_lib=no
]])
LIBS=$_moo_save_libs])
AS_IF([[test "$moo_cv_icuuc_lib" = yes]],[[
  LIBS="-licuuc $LIBS"]
  $1],[$2])])

# MOO_LIB_PCRE1( <IF-FOUND>, <IF-NOT-FOUND>, <IF-BROKEN> )
#
AC_DEFUN([MOO_LIB_PCRE1],
[AC_CHECK_LIB([pcre], [pcre_exec], [
AC_CACHE_CHECK([[whether -lpcre was built with required features]],
  [moo_lib_cv_pcre_utf8],
[[_moo_save_libs=$LIBS
LIBS="-lpcre $LIBS"]
AC_RUN_IFELSE([AC_LANG_PROGRAM([[@%:@ include <pcre.h>]],[[
  int have_utf8, have_props;
  pcre_config(PCRE_CONFIG_UTF8, &have_utf8);
  pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &have_props);
  return (have_utf8 && have_props) ? 0 : 1;
]])], [[moo_lib_cv_pcre_utf8=yes]], [[moo_lib_cv_pcre_utf8=no]])[
LIBS=$_moo_save_libs]])
AS_IF([[test $moo_lib_cv_pcre_utf8 = yes]],[[
  LIBS="-lpcre $LIBS"]
  $1], [$3])], [[moo_lib_cv_pcre_utf8=no]
$2])])

### The next closing paren is boilerplate; do not edit.
)dnl --- end of extensions.ac ---