# Process this file with autoconf to produce a configure script.
AC_INIT(miniChinput, 0.1.9, bozhang@usc.edu)
AC_CONFIG_SRCDIR([src/XIM.h])
AC_CONFIG_HEADER([config.h])

PRGDIR="/lib/Chinput"
IMDIR="/lib/Chinput/im"
MANDIR="/share/man"
DOCDIR="/share/doc"
GBLOCALE="zh_CN.GB2312"

# Check for OS
case "X`uname -s`" in
  XLinux)
    os_type="LINUX"
    ;;
  XFreeBSD)
    os_type="FREEBSD"
    ;;
  *)
    AC_MSG_ERROR([Your system is not supported yet.])
    ;;
esac


# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_RANLIB

# Checks for header files.
AC_PATH_X
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([fcntl.h langinfo.h limits.h locale.h malloc.h stdlib.h string.h sys/param.h])

# Checks for libraries.
LDFLAGS="$LDFLAGS -L$x_libraries"
AC_CHECK_LIB(X11,XOpenDisplay,,AC_MSG_ERROR(Cannot find X11 libs))

CHINPUT_CFLAGS="-I$x_includes"
CHINPUT_LIBS="-L$x_libraries"

# Check Xft related headers and libs.

tmpar=`find /usr/include /usr/X11R6/include -name Xft.h | sed 's?/X11/Xft/Xft.h??'`
TMP_XFT2=`echo "$tmpar"|grep Xft2`
TMP_XFT=`echo "$tmpar"|grep -v Xft2`

tmpar=`find /usr/include /usr/X11R6/include -name freetype.h | sed 's?/freetype/freetype.h??'`
TMP_FREE2=`echo "$tmpar"|grep freetype2`
TMP_FREE=`echo "$tmpar"|grep -v freetype2`
if test "x$TMP_XFT2" != "x" -a "x$TMP_FREE2" != "x"; then 
	CPPFLAGS="-I$TMP_XFT2 -I$TMP_FREE2 $CPPFLAGS"
	AC_CHECK_HEADER(X11/Xft/Xft.h,,AC_MSG_ERROR(Something worng about the Xft header file.))
	XFT_FREE_H="yes"
else
    if test "x$TMP_XFT" != "x" -a "x$TMP_FREE2" != "x"; then
	CPPFLAGS="-I$TMP_XFT -I$TMP_FREE2 $CPPFLAGS"
        AC_CHECK_HEADER(X11/Xft/Xft.h,,AC_MSG_ERROR(Something worng about the Xft header file.))
        XFT_FREE_H="yes"

    else
	if test "x$TMP_XFT" != "x" -a "x$TMP_FREE" != "x"; then 
	CPPFLAGS="-I$TMP_XFT -I$TMP_FREE $CPPFLAGS"
	AC_CHECK_HEADER(X11/Xft/Xft.h,,AC_MSG_ERROR(Something worng about the Xft header file.))
	XFT_FREE_H="yes"
	fi
    fi
fi

if test "$XFT_FREE_H" = "yes"; then
	AC_CHECK_LIB(fontconfig,FcConfigCreate,,FontC="no")
	if test "$FontC" != "no"; then
		AC_CHECK_LIB(Xft,XftFontOpen,,[Xft="no"])
		if test "$Xft" = "no"; then
			AC_CHECK_LIB(Xft2,XftFontOpen,,Xft="no")
		fi
		if test "$Xft" != "no"; then
			GBLOCALE="zh_CN.GB18030"
		fi
	fi
fi

AC_CHECK_LIB(Imlib, Imlib_init) 
if test "$os_type" = "LINUX"; then
       AC_CHECK_LIB(dl, dlopen,,AC_MSG_ERROR(Cannot find dl libs))
else
       AC_CHECK_LIB(c, dlopen,,AC_MSG_ERROR(Cannot find dl libs))
fi

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_MODE_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_MEMBERS([struct stat.st_rdev])
AC_HEADER_TIME
AC_TYPE_UID_T

# Checks for library functions.
AC_FUNC_CHOWN
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([alarm atexit bzero dup2 gethostbyaddr gethostbyname gethostname gettimeofday inet_ntoa isascii memmove memset mkdir nl_langinfo setlocale socket strcasecmp strchr strdup strerror strpbrk strrchr strstr strtol uname])

AC_SUBST(PRGDIR)
AC_SUBST(DOCDIR)
AC_SUBST(IMDIR)
AC_SUBST(MANDIR)
AC_SUBST(DOCDIR)
AC_SUBST(CHINPUT_CFLAGS)
AC_SUBST(CHINPUT_LIBS)
AC_SUBST(GBLOCALE)

AC_CONFIG_FILES([Makefile                               
          doc/Makefile
          doc/man/chinput.1
          resource/Chinput.ad                    
          resource/Makefile                      
          src/Makefile                           
	  src/config.h
          src/tips.h                             
          src/server/Makefile                 
          src/client/Makefile                 
          ImmModules/Makefile         
          ImmModules/cce/Makefile         
          ImmModules/cce/inputs/Makefile  
          ImmModules/turbo/Makefile       
          ImmModules/turbo/config.h])
AC_OUTPUT