dnl ---------------------------------------------------------------------------
dnl Support macros for makefiles generated by BAKEFILE.
dnl ---------------------------------------------------------------------------

dnl Lots of compiler & linker flags detection code contained here was taken from
dnl wxWindows configure.in script (see http://www.wxwindows.org)

dnl ---------------------------------------------------------------------------
dnl AC_BAKEFILE_GNUMAKE
dnl
dnl Detects GNU make
dnl ---------------------------------------------------------------------------

AC_DEFUN([AC_BUILDER_OPTIONS],
[
    dnl default options for modules: --enable-debug and --enable-shared
    #AC_CANONICAL_SYSTEM
    AC_PROG_CXX
    AC_BAKEFILE_DEPS

    AC_ARG_ENABLE(debug,[  --enable-debug	compile with debug info])
    if test "$enable_debug" == "yes"; then
      DEBUG=1;
      CXXFLAGS="-O0 -g3 -ggdb";
      DEBUG_SUFFIX="d";
    else
      DEBUG=0;
      CXXFLAGS="-O2 -g0";
    fi;
    dnl debug suffix is defined in bakefiles too 
    AC_SUBST(DEBUG_SUFFIX)

    AC_ARG_ENABLE(debug,[  --enable-profile	compile with gprof profile info])
    if test "$enable_profile" == "yes"; then
      CXXFLAGS="$CXXFLAGS -pg";
      LDFLAGS="$LDFLAGS -pg";
    fi;

    dnl debug suffix is defined in bakefiles too 
    AC_SUBST(DEBUG_SUFFIX)
    AC_ARG_ENABLE(shared,[  --enable-shared	compile shared library])
    if test "$enable_shared" == "yes"; then
      SHARED=1;
    else
      SHARED=0;
    fi

    dnl all out mouldes should use cppunit to compile
    AC_ARG_ENABLE(tests,[  --enable-tests	compile additional cppunit tests])
    if test "$enable_tests" == "yes"; then
      AM_PATH_CPPUNIT(1.9.0)
      TESTS=1
    else
      TESTS=0;
    fi;
    AC_SUBST(TESTS)

    dnl all out mouldes should use cppunit to compile
    AC_ARG_ENABLE(docs,[  --enable-docs	generate documentation])
    if test "$enable_docs" == "yes"; then
      DOCS=1
    else
      DOCS=0;
    fi;
    AC_SUBST(DOCS)
])

dnl ------------------------------------------------------------------------------------
dnl AC_BUILDER_CUSTOM_LIB(MINIMUM-VERSION, CONFIGNAME, CFLAGS_SWITCH, LIBS_SWITCH, SUBST_NAME, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl ------------------------------------------------------------------------------------

AC_DEFUN([AC_BUILDER_CUSTOM_LIB],
[
  #set -x
  builder_lib_name=$2
  builder_lib_config=$builder_lib_name-config
  
  no_prog=""
  AC_MSG_CHECKING([$2 library])
  
  witharg=with_${builder_lib_name}_config;
  eval withval=\$$witharg;
  #set |grep with;
  
  if test "$withval" != "yes" -a "$withval" != ""; then
      BUILDER_LIB_CONFIG_PROG=$withval
  else
    if test "$BUILDER_LIB_CONFIG_PROG" == ""; then
      if which $builder_lib_config 2> /dev/null; then
        BUILDER_LIB_CONFIG_PROG=$builder_lib_config;
      else
        AC_MSG_RESULT([not found])
        no_prog=yes
        BUILDER_LIB_CONFIG_PROG=no;
      fi
    fi
  fi
  
  lib_version_min=$1
  if test "$BUILDER_LIB_CONFIG_PROG" = "no" ; then
    no_prog=yes
  else
    AC_MSG_CHECKING(for $builder_lib_config - version >= $lib_version_min)
    $5_CXXFLAGS=`$BUILDER_LIB_CONFIG_PROG $3`
    $5_LIBS=`$BUILDER_LIB_CONFIG_PROG $4`
    builder_lib_version=`$BUILDER_LIB_CONFIG_PROG --version`

    builder_lib_major_version=`echo $builder_lib_version | \
          sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    builder_lib_minor_version=`echo $builder_lib_version | \
          sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    builder_lib_micro_version=`echo $builder_lib_version | \
          sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

    builder_lib_major_min=`echo $lib_version_min | \
          sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    builder_lib_minor_min=`echo $lib_version_min | \
          sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    builder_lib_micro_min=`echo $lib_version_min | \
          sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

    builder_lib_version_proper=`expr \
        $builder_lib_major_version \> $builder_lib_major_min \| \
        $builder_lib_major_version \= $builder_lib_major_min \& \
        $builder_lib_minor_version \> $builder_lib_minor_min \| \
        $builder_lib_major_version \= $builder_lib_major_min \& \
        $builder_lib_minor_version \= $builder_lib_minor_min \& \
        $builder_lib_micro_version \>= $builder_lib_micro_min `

    if test $? -ne 0; then
      AC_MSG_ERROR([Cannot parse $builder_lib_version to version number])
    fi

    if test "$builder_lib_version_proper" = "1" ; then
      AC_MSG_RESULT([$builder_lib_major_version.$builder_lib_minor_version.$builder_lib_micro_version])
    else
      AC_MSG_RESULT(no)
      no_prog=yes
    fi
  fi
  BUILDER_LIB_CONFIG_PROG=""

  if test "x$no_prog" = x ; then
    ifelse([$6], , :, [$6])
  else
    $5_CXXFLAGS=""
    $5_LIBS=""
    ifelse([$7], , :, [$7])
  fi

  echo "adding SUBST for $5_CXXFLAGS"
  AC_SUBST($5_CXXFLAGS)

  echo "adding SUBST for $5_LIBS"
  AC_SUBST($5_LIBS)
])

dnl ------------------------------------------------------------------------------------
dnl AC_BUILDER_LIB(MINIMUM-VERSION, LIBNAME, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]))
dnl ------------------------------------------------------------------------------------

AC_DEFUN([AC_BUILDER_LIB],
[
  AC_BUILDER_CUSTOM_LIB([$1],[$2],[--cxxflags],[--libs],[$2],[$3],[$4])
])

dnl ------------------------------------------------------------------------------------
dnl AC_BUILDER_LIB(MINIMUM-VERSION, LIBNAME, [ACTION-IF-FOUND])
dnl ------------------------------------------------------------------------------------

AC_DEFUN([AC_BUILDER_REQUIRED_LIB],
[
  AC_BUILDER_LIB([$1],[$2],[$3],[
    AC_MSG_ERROR([$2 library not found. Try --with-$2-config.])
  ])
])

AC_DEFUN([AC_BUILDER_WXLIB],
[
  AM_OPTIONS_WXCONFIG
  AM_PATH_WXCONFIG([2.8.0], [wxWin=1])
  if test "$wxWin" != 1; then
    AC_MSG_ERROR([
      wxWidgets must be installed on your system
      but wx-config script couldn't be found.
    
      Please check that wx-config is in path, the directory
      where wxWidgets libraries are installed (returned by
      'wx-config --libs' command) is in LD_LIBRARY_PATH or
      equivalent variable and wxWidgets version is 2.8.0 or above.
    ])
  fi
  #CPPFLAGS="$CPPFLAGS $WX_CPPFLAGS"
  wx_CXXFLAGS="$CXXFLAGS $WX_CPPFLAGS $WX_CXXFLAGS_ONLY"
  #wx_CFLAGS="$CFLAGS $WX_CFLAGS_ONLY"
  wx_LIBS="$LDFLAGS $WX_LIBS"
  wx_type=`$WX_CONFIG_PATH --basename`; 

  echo $wx_CXXFLAGS;

  if [ echo  $wx_type |grep wx_base > /dev/null ]; then
    AC_MSG_RESULT(wxWidgets compiled without GUI: configuring module for BASE programs)
    USE_GUI=0;
  else
    AC_MSG_RESULT(wxWidgets compiled with GUI: configuring module for GUI programs)
    USE_GUI=1;
  fi
  AC_SUBST(wx_CXXFLAGS)
  AC_SUBST(wx_LIBS)
])

dnl ------------------------------------------------------------------------------------
dnl AC_BUILDER_CRYPTOPP
dnl ------------------------------------------------------------------------------------

dnl adds --with-crypto-headers and --with-crypto-lib to configure and substs cxxflags and libs variables

AC_DEFUN([AC_BUILDER_CRYPTOPP],
[
  AC_ARG_WITH(crypto-headers,[--with-crypto-headers=<dir> specify where cryptopp headers are installed],[cryptopp_CXXFLAGS=-I$with_crypto_headers])
  AC_ARG_WITH(crypto-lib,[--with-crypto-lib=<dir> specify dir where cryptopp library is installed],[cryptopp_LIBS=-L$with_crypto_lib])
  cryptopp_LIBS="$cryptopp_LIBS -lcryptopp"
  AC_SUBST(cryptopp_CXXFLAGS)
  AC_SUBST(cryptopp_LIBS)
])