# Process this file with autoconf to produce a configure script.
AC_INIT(xsim)
AC_CONFIG_SRCDIR([xsim/main.cpp])
AC_CONFIG_HEADER([config.h])

AC_ARG_WITH(bdb-cxx, [  --with-bdb-cxx          Berkeley DB install place], bdb_prefix="$withval", bdb_prefix="NONE")
AC_ARG_WITH(bdb-includes,    [  --with-bdb-includes     Berkeley DB headers location. ], bdbinc="$withval", bdbinc="NONE")
AC_ARG_WITH(bdb-libraries,    [  --with-bdb-libraries    Berkeley DB libraries location. ], bdblibs="$withval", bdblibs="NONE")
AC_ARG_WITH(cn-locale, [  --with-cn-locale        Default chinese locale [GB2312]], cn_locale="$withval", cn_locale="GB2312")
AC_ARG_WITH(qt3,    [  --with-qt3              QT v3 or higher location. ], qt3dir="$withval", qt3dir="NONE")
AC_ARG_WITH(qt3-includes,    [  --with-qt3-includes     QT v3 headers location. ], qt3inc="$withval", qt3inc="NONE")
AC_ARG_WITH(qt3-libraries,    [  --with-qt3-libraries    QT v3 libraries location. ], qt3lib="$withval", qt3lib="NONE")
AC_ARG_WITH(kde3,   [  --with-kde3             KDE3 location. ], kde3dir="$withval", kde3dir="NONE")
AC_ARG_WITH(kde3-includes,   [  --with-kde3-includes    KDE3 headers location. ], kde3inc="$withval", kde3inc="NONE")
AC_ARG_WITH(kde3-libraries,   [  --with-kde3-libraries   KDE3 libraries location. ], kde3lib="$withval", kde3lib="NONE")

AC_ARG_WITH(qt2,    [  --with-qt2              QT2. ], qt2dir="$withval", qt2dir="NONE")
AC_ARG_WITH(qt2-includes,    [  --with-qt2-includes     QT2. ], qt2inc="$withval", qt2inc="NONE")
AC_ARG_WITH(qt2-libraries,    [  --with-qt2-libraries    QT2. ], qt2lib="$withval", qt2lib="NONE")
AC_ARG_WITH(kde2,   [  --with-kde2             KDE2 location. ], kde2dir="$withval", kde2dir="NONE")
AC_ARG_WITH(kde2-includes,   [  --with-kde2-includes    KDE2 headers location. ], kde2inc="$withval", kde2inc="NONE")
AC_ARG_WITH(kde2-libraries,   [  --with-kde2-libraries   KDE2 libraries location. ], kde2lib="$withval", kde2lib="NONE")

AC_ARG_ENABLE(debug, [  --enable-debug          Enable debug], enable_debug=1, enable_debug=0)
AC_ARG_ENABLE(mdk-patch, [  --enable-mdk-patch      Enable MDK dist patch], enable_mdk_patch=1, enable_mdk_patch=0)
AC_ARG_ENABLE(status-all, [  --enable-status-all     Enable all status panel plugin], enable_statusall=1, enable_statusall=0)
AC_ARG_ENABLE(status-kde3, [  --enable-status-kde3    Enable KDE3 status panel plugin], enable_statuskde3=1, enable_statuskde3=0)
AC_ARG_ENABLE(status-kde2, [  --enable-status-kde2    Enable KDE2 status panel plugin], enable_statuskde2=1, enable_statuskde2=0)
#AC_ARG_ENABLE(status-gnome2, [  --enable-status-gnome2  Enable Gnome2 status panel plugin], enable_statusgnome2=1, enable_statusgnome2=0)

# Check for OS
# it's too hard to detect kde and qt automatic, so hard code here, maybe change later
case "X`uname -s`" in
  XLinux)
    os_type="LINUX"
    dllib="-ldl"
    pthreadlib="-lpthread"
    ;;
  XFreeBSD)
    os_type="FREEBSD"
    dllib="-lc"
    pthreadlib="-lc_r"
    ;;
  *)
    AC_MSG_ERROR([Your system is not supported yet, If u hope, drop me a message.])
    ;;
esac

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_CHECK_TOOL(LD, ld)

# Checks for header files.
AC_PATH_XTRA

if test x"$no_x" != x; then
  AC_MSG_ERROR([X Window System not found])
fi

AC_HEADER_STDC
AC_CHECK_HEADERS([locale.h malloc.h stdlib.h string.h sys/param.h unistd.h wchar.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_CHECK_FUNCS([memmove memset setlocale strchr strstr])

if test "x$enable_debug" = "x1" ; then
  CFLAGS="-g -Wall -O2 -DDEBUG -I$x_includes"
  CXXFLAGS=$CFLAGS
  LDFLAGS="-g -L$x_libraries"
else
  CFLAGS="-Wall -O2 -I$x_includes"
  CXXFLAGS=$CFLAGS
  LDFLAGS="-L$x_libraries"
fi

if test "x$enable_mdk_patch" = "x1" ; then
  CFLAGS="$CFLAGS -DMDK_PATCH"
fi

AC_MSG_CHECKING([for Berkerly DB header])

if test "$bdbinc" = "NONE"; then
  bdb_include_dirs="\
    /usr/include/db4 \
    /usr/include/db3 \
    /usr/local/include \
    /usr/local/include/db4 \
    /usr/local/include/db3 \
    /usr/include"

  if test "$bdb_prefix" != "NONE"; then
    bdb_include_dirs="$bdb_prefix/include $bdb_include_dirs"
  fi

  for bdb_dir in $bdb_include_dirs; do
    if test -r "$bdb_dir/db_cxx.h"; then
      bdbinc="$bdb_dir"
      break
    fi
  done
fi

if test "$bdbinc" = "NONE"; then
  AC_MSG_ERROR(No Berkeley DB4 or DB3 CXX header found)
fi

#we need to know which DB version using, so check it
AC_LANG_CPLUSPLUS
oCXXFLAGS="$CXXFLAGS"
CXXFLAGS="-I$bdbinc $CFLAGS";

AC_TRY_COMPILE(#include <db_cxx.h>
  ,int cf(DB *, const DBT *, const DBT *); Db db(NULL, 0); db.set_dup_compare(cf);,
          [ bdb_version=">=3.2"],
          [ bdb_version="3"]
          )
if test "$bdb_version" == ">=3.2"; then
  AC_TRY_COMPILE(#include <db_cxx.h>
    ,Db db(NULL, 0); db.open(NULL, "test", NULL, DB_BTREE, 0, 0644);,
       [ bdb_version=">=4.1"]
       )

fi
CXXFLAGS="$oCXXFLAGS"

echo "Berkerly DB $bdb_version CXX header found"

#check db cxx lib
AC_MSG_CHECKING([for Berkerly DB library])

if test "$bdblibs" = "NONE"; then
  bdb_library_dirs="\
    /usr/lib/db4 \
    /usr/lib/db3 \
    /usr/local/lib \
    /usr/local/lib/db4 \
    /usr/local/lib/db3 \
    /usr/lib"

  if test "$bdb_prefix" != "NONE"; then
    bdb_library_dirs="$bdb_prefix/lib $bdb_library_dirs"
  fi

  for bdb_dir in $bdb_library_dirs; do
    if test -r "$bdb_dir/libdb_cxx.so"; then
      bdblibs="$bdb_dir"
      bdblib="db_cxx"
      break
    fi
    if test -r "$bdb_dir/libdb4_cxx.so"; then
      bdblibs="$bdb_dir"
      bdblib="db4_cxx"
      break
    fi
    if test -r "$bdb_dir/libdb3_cxx.so"; then
      bdblibs="$bdb_dir"
      bdblib="db3_cxx"
      break
    fi
  done
fi

if test "$bdblibs" = "NONE"; then
  AC_MSG_ERROR(Failed to check DB $bdb_version CXX library);
fi

echo "Berkerly DB $bdb_version CXX library found"

if test "$bdb_version" = ">=3.2" ; then
  CXXFLAGS="$CXXFLAGS -DBDB_VERSION4 -DOS_$os_type"
else
  if test "$bdb_version" = ">=4.1"; then
    CXXFLAGS="$CXXFLAGS -DBDB_VERSION41 -DOS_$os_type"
  else
    CXXFLAGS="$CXXFLAGS -DBDB_VERSION3 -DOS_$os_type"
  fi
fi

topdir="`pwd`"

status_subdirs="std"
status_default="std"
if test "$enable_statusall" = "1"; then
  enable_statuskde3=1
  enable_statuskde2=1
#  enable_statusgnome2=1
fi

#we check kde3 and qt3
if test "$enable_statuskde3" = "1"; then
  status_subdirs="$status_subdirs kde3"

  AC_MSG_CHECKING([for QT 3.0.x])
  if test "$qt3inc" = "NONE"; then
    qt_include_dirs="\
      /usr/lib/qt3/include \
      /usr/lib/qt/include \
      /usr/include/qt \
      /usr/local/qt/include \
      /usr/local/include/qt \
      /usr/X11/include/qt \
      /usr/X11/include/X11/qt \
      /usr/X11R6/include \
      /usr/X11R6/include/qt \
      /usr/X11R6/include/X11/qt \
      /usr/X11/lib/qt/include"

    if test "$qt3dir" != "NONE"; then
      qt_include_dirs="$qt3dir/include $qt_include_dirs"
    fi

    for qt_dir in $qt_include_dirs; do
      if test -r "$qt_dir/qbig5codec.h"; then
        qt3inc=$qt_dir
        break
      fi
    done
  fi

  if test "$qt3inc" = "NONE"; then
    AC_MSG_ERROR(No QT 3.0.x headers found)
  fi

  if test "$qt3lib" = "NONE"; then
    qt_library_dirs="\
      /usr/lib/qt3/lib \
      /usr/lib \
      /usr/local/lib \
      /usr/lib/qt \
      /usr/lib/qt/lib \
      /usr/local/lib/qt \
      /usr/local/qt/lib \
      /usr/X11/lib \
      /usr/X11/lib/qt \
      /usr/X11R6/lib \
      /usr/X11R6/lib/qt"

    if test "$qt3dir" != "NONE"; then
      qt_library_dirs="$qt3dir/lib $qt_library_dirs"
    fi

    for qt_dir in $qt_library_dirs; do
      if test -r $qt_dir/libqt-mt.so.3; then
        qt3lib=$qt_dir
        break
      fi
    done
  fi

  if test "$qt3lib" = "NONE"; then
    AC_MSG_ERROR(No QT 3.0.x libraries found)
  fi

  AC_MSG_RESULT([yes, libraries: $qt3lib, headers: $qt3inc])

  # now check kde3 ##########################
  AC_MSG_CHECKING([for KDE3])

  if test "$kde3inc" = "NONE"; then
    kde_incdirs="/opt/kde3/include /opt/kde/include /usr/lib/kde/include /usr/local/kde/include /usr/local/include /usr/kde/include /usr/include/kde
/usr/include $x_includes $qt3inc"
    if test "$kde3dir" != "NONE"; then
      kde_incdirs="$kde3dir/include $kde_incdirs"
    fi

    for kde_dir in $kde_incdirs; do
      if test -r $kde_dir/ksystemtray.h; then
        kde3inc=$kde_dir
        break
      fi
    done
  fi

  if test "$kde3inc" = "NONE"; then
    AC_MSG_ERROR(No KDE3 includes found)
  fi

  if test "$kde3lib" = "NONE"; then
    kde_libdirs="/opt/kde3/lib /opt/kde/lib /usr/lib/kde/lib /usr/local/kde/lib /usr/local/lib /usr/kde/lib /usr/lib/kde /usr/lib /usr/X11R6/lib
/usr/X11R6/kde/lib /usr/lib/kde3"
    if test "$kde3dir" != "NONE"; then
      kde_libdirs="$kde3dir/lib $kde_libdirs"
    fi

    for kde_dir in $kde_libdirs; do
      if test -r $kde_dir/libkdeui.so; then
        kde3lib=$kde_dir
        break
      fi
    done
  fi

  if test "$kde3lib" = "NONE"; then
    AC_MSG_ERROR(No KDE3 libraries found)
  fi

  AC_MSG_RESULT([yes, libraries: $kde3lib, headers: $kde3inc])
  status_default="kde3"
fi

#we check kde2 and qt2
if test "$enable_statuskde2" = "1"; then
  status_subdirs="$status_subdirs kde2"

  AC_MSG_CHECKING([for QT 2.x.x])
  if test "$qt2inc" = "NONE"; then
    qt_include_dirs="\
      /usr/lib/qt2/include \
      /usr/lib/qt/include \
      /usr/include/qt \
      /usr/local/qt/include \
      /usr/local/include/qt \
      /usr/X11/include/qt \
      /usr/X11/include/X11/qt \
      /usr/X11R6/include \
      /usr/X11R6/include/qt \
      /usr/X11R6/include/X11/qt \
      /usr/X11/lib/qt/include"

    if test "$qt2dir" != "NONE"; then
      qt_include_dirs="$qt2dir/include $qt_include_dirs"
    fi

    for qt_dir in $qt_include_dirs; do
      if test -r "$qt_dir/qbig5codec.h"; then
        qt2inc=$qt_dir
        break
      fi
    done
  fi

  if test "$qt2inc" = "NONE"; then
    AC_MSG_ERROR(No QT 2.x.x headers found)
  fi

  if test "$qt2lib" = "NONE"; then
    qt_library_dirs="\
      /usr/lib/qt2/lib \
      /usr/lib \
      /usr/local/lib \
      /usr/lib/qt \
      /usr/lib/qt/lib \
      /usr/local/lib/qt \
      /usr/local/qt/lib \
      /usr/X11/lib \
      /usr/X11/lib/qt \
      /usr/X11R6/lib \
      /usr/X11R6/lib/qt"

    if test "$qt2dir" != "NONE"; then
      qt_library_dirs="$qt2dir/lib $qt_library_dirs"
    fi

    for qt_dir in $qt_library_dirs; do
      if test -r $qt_dir/libqt-mt.so.2; then
        qt2lib=$qt_dir
        break
      fi
    done
  fi

  if test "$qt2lib" = "NONE"; then
    AC_MSG_ERROR(No QT 2.0.x libraries found)
  fi

  AC_MSG_RESULT([yes, libraries: $qt2lib, headers: $qt2inc])

  # now check kde2 ##########################
  AC_MSG_CHECKING([for KDE2])

  if test "$kde2inc" = "NONE"; then
    kde_incdirs="/opt/kde2/include /opt/kde/include /usr/lib/kde/include /usr/local/kde/include /usr/local/include /usr/kde/include /usr/include/kde
/usr/include $x_includes $qt2inc"
    if test "$kde2dir" != "NONE"; then
      kde_incdirs="$kde2dir/include $kde_incdirs"
    fi

    for kde_dir in $kde_incdirs; do
      if test -r $kde_dir/ksystemtray.h; then
        kde2inc=$kde_dir
        break
      fi
    done
  fi

  if test "$kde2inc" = "NONE"; then
    AC_MSG_ERROR(No KDE2 includes found)
  fi

  if test "$kde2lib" = "NONE"; then
    kde_libdirs="/opt/kde2/lib /opt/kde/lib /usr/lib/kde/lib /usr/local/kde/lib /usr/local/lib /usr/kde/lib /usr/lib/kde /usr/lib /usr/X11R6/lib
/usr/X11R6/kde/lib /usr/lib/kde2"
    if test "$kde2dir" != "NONE"; then
      kde_libdirs="$kde2dir/lib $kde_libdirs"
    fi

    for kde_dir in $kde_libdirs; do
      if test -r $kde_dir/libkdeui.so; then
        kde2lib=$kde_dir
        break
      fi
    done
  fi

  if test "$kde2lib" = "NONE"; then
    AC_MSG_ERROR(No KDE2 libraries found)
  fi

  AC_MSG_RESULT([yes, libraries: $kde2lib, headers: $kde2inc])
  status_default="kde2"
fi

#if test "$enable_statusgnome2" = "1"; then
#  status_subdirs="$status_subdirs gnome2"
#fi

# which plugin u need??
if test "$enable_statusall" = "1"; then
  status_default="std"
fi

if test "$cn_locale" = "GBK"; then
  cn_locale_suffix="GBK"
else
  if test "$cn_locale" = "GB18030"; then
    cn_locale_suffix="GBK"
  else
    cn_locale_suffix="GB2312"
    if test "$os_type" = "FREEBSD"; then
      cn_locale="EUC"
    fi
  fi
fi

cn_locale="zh_CN.$cn_locale"

if test "$os_type" = "FREEBSD"; then
  tw_locale="zh_TW.Big5"
else
  tw_locale="zh_TW"
fi

if test "$prefix" = "NONE"; then
  prefix="/usr/local/xsim"
  dolink="rm -f /usr/local/bin/xsim; ln -s /usr/local/xsim/bin/xsim /usr/local/bin/xsim"
  unlink="rm -f /usr/local/bin/xsim"
else
  dolink="@echo"
  unlink="@echo"
fi

AC_SUBST(cn_locale)
AC_SUBST(cn_locale_suffix)
AC_SUBST(tw_locale)
AC_SUBST(topdir)
AC_SUBST(dllib)
AC_SUBST(pthreadlib)

AC_SUBST(status_subdirs)
AC_SUBST(status_default)
AC_SUBST(kde3inc)
AC_SUBST(kde3lib)
AC_SUBST(qt3inc)
AC_SUBST(qt3lib)
AC_SUBST(kde2inc)
AC_SUBST(kde2lib)
AC_SUBST(qt2inc)
AC_SUBST(qt2lib)
AC_SUBST(bdbinc)
AC_SUBST(bdblibs)
AC_SUBST(bdblib)
AC_SUBST(dolink)
AC_SUBST(unlink)

AC_OUTPUT(	Makefile				\
		xsim/Makefile				\
		xsim/IMdkit/Makefile			\
		plugins/Makefile			\
		plugins/IMs/Makefile			\
		plugins/IMs/jianpin/Makefile		\
		plugins/IMs/jianpin/dict/Makefile	\
		plugins/IMs/wubi/Makefile		\
		plugins/IMs/wubi/dict/Makefile		\
		plugins/IMs/table/Makefile		\
		plugins/IMs/table/dict/Makefile	\
		plugins/Panels/Makefile			\
		plugins/Panels/std/Makefile		\
		plugins/StatusPanels/Makefile		\
		plugins/StatusPanels/std/Makefile	\
		plugins/StatusPanels/kde3/Makefile	\
		plugins/StatusPanels/kde2/Makefile	\
		etc/Makefile				\
		etc/xsimrc				\
		)