#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.57)
AC_INIT([LCD4Linux],[0.9.12],[reinelt@eunet.at])
AC_CONFIG_SRCDIR([lcd4linux.c])
AM_INIT_AUTOMAKE(lcd4linux,0.9.12)
AM_CONFIG_HEADER(config.h)

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
# Using `AC_PROG_RANLIB' is rendered 
# obsolete by `AC_PROG_LIBTOOL' :-(
# AC_PROG_RANLIB
AC_PROG_LIBTOOL

# Checks for libraries.
AC_CHECK_LIB(m, log)

# curses
sinclude(curses.m4)
AC_CHECK_CURSES

# Checks for X11
AC_PATH_XTRA

# check for gd.h
AC_CHECK_HEADERS(gd/gd.h gd.h, [has_gd=true], [has_gd=false])

# drivers
AC_MSG_CHECKING([which drivers to compile])
AC_ARG_WITH(
  drivers, 
  [  --with-drivers=<list>   compile driver for displays in <list>,]
  [                        drivers may be separated with commas,]	
  [                        'all' (default) compiles all available drivers,]	
  [                        drivers may be excluded with 'all,!<driver>',]	
  [                        (try 'all,\!<driver>' if your shell complains...)]	
  [                        possible drivers are:]	
  [                        BeckmannEgle, CrystalFontz, Cwlinux, HD44780,]
  [                        M50530, T6963, USBLCD, MatrixOrbital,]
  [                        MilfordInstruments, PalmPilot, PNG, PPM, X11, Text],
  drivers=$withval, 
  drivers=all
)

drivers=`echo $drivers|sed 's/,/ /g'`

for driver in $drivers; do

   case $driver in 
      !*) 
         val="no"
         driver=`echo $driver|cut -c 2-`
         ;;
       *) 
         val="yes"
         ;;
   esac
	
   case "$driver" in
      all)
         BECKMANNEGLE="yes"
         CRYSTALFONTZ="yes"
         CWLINUX="yes"
         HD44780="yes"
         M50530="yes"
         T6963="yes"
         USBLCD="yes"
         MATRIXORBITAL="yes"
         MILINST="yes"
         PALMPILOT="yes"
         PNG="yes"
         PPM="yes"
         TEXT="yes"
         X11="yes"
         ;;
      BeckmannEgle)
         BECKMANNEGLE=$val
         ;;
      CrystalFontz)
         CRYSTALFONTZ=$val
         ;;
      Cwlinux)
         CWLINUX=$val
         ;;
      HD44780)
         HD44780=$val
	 ;;
      M50530)
         M50530=$val
         ;;
      T6963)
         T6963=$val
         ;;
      USBLCD)
         USBLCD=$val
         ;;
      MatrixOrbital)
         MATRIXORBITAL=$val
         ;;
      MilfordInstruments)
         MILINST=$val
         ;;
      PalmPilot)
         PALMPILOT=$val
         ;;
      PNG)
         PNG=$val
         ;;
      PPM)
         PPM=$val
         ;;
      SIN)
         SIN=$val
         ;;
      Skeleton)
         SKELETON=$val
         ;;
      Text)
         TEXT=$val
         ;;
      X11)
         X11=$val
         ;;
      *) 	
         AC_MSG_ERROR([Unknown driver '$driver'])
         ;;
   esac
done

AC_MSG_RESULT([done])

RASTER="no"
PARPORT="no"

if test "$BECKMANNEGLE" = "yes"; then
#  DRIVERS="$DRIVERS BeckmannEgle.lo"
   DRIVERS="$DRIVERS BeckmannEgle.o"
   AC_DEFINE(WITH_BECKMANNEGLE,1,[junk])
fi

if test "$CRYSTALFONTZ" = "yes"; then
#  DRIVERS="$DRIVERS Crystalfontz.lo drv_Crystalfontz.lo"
   DRIVERS="$DRIVERS Crystalfontz.o  drv_Crystalfontz.o"
   AC_DEFINE(WITH_CRYSTALFONTZ,1,[junk])
fi

if test "$CWLINUX" = "yes"; then
#  DRIVERS="$DRIVERS Cwlinux.lo"
   DRIVERS="$DRIVERS Cwlinux.o"
   AC_DEFINE(WITH_CWLINUX,1,[junk])
fi

if test "$HD44780" = "yes"; then
   PARPORT="yes"
#  DRIVERS="$DRIVERS HD44780.lo drv_HD44780.lo"
   DRIVERS="$DRIVERS HD44780.o  drv_HD44780.o"
   AC_DEFINE(WITH_HD44780,1,[junk])
fi

if test "$M50530" = "yes"; then
   PARPORT="yes"
#  DRIVERS="$DRIVERS M50530.lo"
   DRIVERS="$DRIVERS M50530.o"
   AC_DEFINE(WITH_M50530,1,[junk])
fi

if test "$T6963" = "yes"; then
   PARPORT="yes"
#  DRIVERS="$DRIVERS T6963.lo"
   DRIVERS="$DRIVERS T6963.o"
   AC_DEFINE(WITH_T6963,1,[junk])
fi

if test "$USBLCD" = "yes"; then
#  DRIVERS="$DRIVERS USBLCD.lo"
   DRIVERS="$DRIVERS USBLCD.o"
   AC_DEFINE(WITH_USBLCD,1,[junk])
fi

if test "$MATRIXORBITAL" = "yes"; then
#  DRIVERS="$DRIVERS MatrixOrbital.lo drv_MatrixOrbital.lo"
   DRIVERS="$DRIVERS MatrixOrbital.o  drv_MatrixOrbital.o"
   AC_DEFINE(WITH_MATRIXORBITAL,1,[junk])
fi

if test "$MILINST" = "yes"; then
#  DRIVERS="$DRIVERS MilfordInstruments.lo"
   DRIVERS="$DRIVERS MilfordInstruments.o"
   AC_DEFINE(WITH_MILINST,1,[junk])
fi

if test "$PALMPILOT" = "yes"; then
#  DRIVERS="$DRIVERS PalmPilot.lo"
   DRIVERS="$DRIVERS PalmPilot.o"
   AC_DEFINE(WITH_PALMPILOT,1,[junk])
fi

if test "$PNG" = "yes"; then
   if test "$has_gd" = "true"; then
      RASTER="yes"
      AC_DEFINE(WITH_PNG,1,[junk])
      DRVLIBS="$DRVLIBS -lgd"
   else
      AC_MSG_WARN(gd.h not found: PNG driver disabled)
   fi
fi

if test "$PPM" = "yes"; then
   if test "$has_gd" = "true"; then
      RASTER="yes"
      AC_DEFINE(WITH_PPM,1,[junk])
   else
      AC_MSG_WARN(gd.h not found: PNG driver disabled)
   fi
fi

if test "$SIN" = "yes"; then
#  DRIVERS="$DRIVERS SIN.lo"
   DRIVERS="$DRIVERS SIN.o"
   AC_DEFINE(WITH_SIN,1,[junk])
fi

if test "$SKELETON" = "yes"; then
#  DRIVERS="$DRIVERS Skeleton.lo"
   DRIVERS="$DRIVERS Skeleton.o"
   AC_DEFINE(WITH_SKELETON,1,[junk])
fi

if test "$TEXT" = "yes"; then
   if test "$has_curses" = true; then
#     DRIVERS="$DRIVERS Text.lo"
      DRIVERS="$DRIVERS Text.o"
      DRVLIBS="$DRVLIBS $CURSES_LIBS"
      CPPFLAGS="$CPPFLAGS $CURSES_INCLUDES"
      AC_DEFINE(WITH_TEXT,1,[junk])
   else
      AC_MSG_WARN(curses not found: Text driver disabled)
   fi   
fi

if test "$X11" = "yes"; then
   if test "$no_x" = "yes"; then
      AC_MSG_ERROR(X11 headers or libraries not available: X11 driver disabled)
   else
#     DRIVERS="$DRIVERS XWindow.lo"
      DRIVERS="$DRIVERS XWindow.o"
      DRVLIBS="$DRVLIBS -L$ac_x_libraries -lX11"
      AC_DEFINE(WITH_X11,1,[junk])
   fi
fi

if test "$DRIVERS" = ""; then
   AC_MSG_ERROR([You should include at least one driver...])
fi
   
# Raster.lo depends on PPM or PNG
  Raster.lo depends on PPM or NG
if test "$RASTER" = "yes"; then
#  DRIVERS="$DRIVERS Raster.lo"
   DRIVERS="$DRIVERS Raster.o"
fi

# parport driver
if test "$PARPORT" = "yes"; then
#  DRIVERS="$DRIVERS parport.lo"
   DRIVERS="$DRIVERS parport.o"
fi

AC_SUBST(DRIVERS)
AC_SUBST(DRVLIBS)

# Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termios.h unistd.h])
AC_CHECK_HEADERS(sys/io.h asm/io.h)
AC_CHECK_HEADERS(linux/parport.h linux/ppdev.h)
AC_CHECK_HEADERS(linux/dvb/frontend.h)
AC_CHECK_HEADERS(net/if_ppp.h)
AC_CHECK_HEADERS(asm/msr.h)

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_TYPE_UID_T

# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_PROG_GCC_TRADITIONAL

#removed for uClibc compatibility
#AC_FUNC_MALLOC
#AC_FUNC_REALLOC

AC_FUNC_MEMCMP
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_CHECK_FUNCS([atexit dup2 gethostbyname gettimeofday memmove memset pow putenv select socket sqrt strcasecmp strchr strdup strerror strncasecmp strndup strpbrk strstr strtol uname])

AC_CONFIG_FILES([Makefile])
AC_OUTPUT
14'>114</a>
<a id='n115' href='#n115'>115</a>
<a id='n116' href='#n116'>116</a>
<a id='n117' href='#n117'>117</a>
<a id='n118' href='#n118'>118</a>
<a id='n119' href='#n119'>119</a>
<a id='n120' href='#n120'>120</a>
<a id='n121' href='#n121'>121</a>
<a id='n122' href='#n122'>122</a>
<a id='n123' href='#n123'>123</a>
<a id='n124' href='#n124'>124</a>
<a id='n125' href='#n125'>125</a>
<a id='n126' href='#n126'>126</a>
<a id='n127' href='#n127'>127</a>
<a id='n128' href='#n128'>128</a>
<a id='n129' href='#n129'>129</a>
<a id='n130' href='#n130'>130</a>
<a id='n131' href='#n131'>131</a>
<a id='n132' href='#n132'>132</a>
<a id='n133' href='#n133'>133</a>
<a id='n134' href='#n134'>134</a>
<a id='n135' href='#n135'>135</a>
<a id='n136' href='#n136'>136</a>
<a id='n137' href='#n137'>137</a>
<a id='n138' href='#n138'>138</a>
<a id='n139' href='#n139'>139</a>
<a id='n140' href='#n140'>140</a>
<a id='n141' href='#n141'>141</a>
<a id='n142' href='#n142'>142</a>
<a id='n143' href='#n143'>143</a>
<a id='n144' href='#n144'>144</a>
<a id='n145' href='#n145'>145</a>
<a id='n146' href='#n146'>146</a>
<a id='n147' href='#n147'>147</a>
<a id='n148' href='#n148'>148</a>
<a id='n149' href='#n149'>149</a>
<a id='n150' href='#n150'>150</a>
<a id='n151' href='#n151'>151</a>
<a id='n152' href='#n152'>152</a>
<a id='n153' href='#n153'>153</a>
<a id='n154' href='#n154'>154</a>
<a id='n155' href='#n155'>155</a>
<a id='n156' href='#n156'>156</a>
<a id='n157' href='#n157'>157</a>
<a id='n158' href='#n158'>158</a>
<a id='n159' href='#n159'>159</a>
<a id='n160' href='#n160'>160</a>
<a id='n161' href='#n161'>161</a>
<a id='n162' href='#n162'>162</a>
<a id='n163' href='#n163'>163</a>
<a id='n164' href='#n164'>164</a>
<a id='n165' href='#n165'>165</a>
<a id='n166' href='#n166'>166</a>
<a id='n167' href='#n167'>167</a>
<a id='n168' href='#n168'>168</a>
<a id='n169' href='#n169'>169</a>
<a id='n170' href='#n170'>170</a>
<a id='n171' href='#n171'>171</a>
<a id='n172' href='#n172'>172</a>
<a id='n173' href='#n173'>173</a>
<a id='n174' href='#n174'>174</a>
<a id='n175' href='#n175'>175</a>
<a id='n176' href='#n176'>176</a>
<a id='n177' href='#n177'>177</a>
<a id='n178' href='#n178'>178</a>
<a id='n179' href='#n179'>179</a>
<a id='n180' href='#n180'>180</a>
<a id='n181' href='#n181'>181</a>
<a id='n182' href='#n182'>182</a>
<a id='n183' href='#n183'>183</a>
<a id='n184' href='#n184'>184</a>
<a id='n185' href='#n185'>185</a>
<a id='n186' href='#n186'>186</a>
<a id='n187' href='#n187'>187</a>
<a id='n188' href='#n188'>188</a>
<a id='n189' href='#n189'>189</a>
<a id='n190' href='#n190'>190</a>
<a id='n191' href='#n191'>191</a>
<a id='n192' href='#n192'>192</a>
<a id='n193' href='#n193'>193</a>
<a id='n194' href='#n194'>194</a>
<a id='n195' href='#n195'>195</a>
<a id='n196' href='#n196'>196</a>
<a id='n197' href='#n197'>197</a>
<a id='n198' href='#n198'>198</a>
<a id='n199' href='#n199'>199</a>
<a id='n200' href='#n200'>200</a>
<a id='n201' href='#n201'>201</a>
<a id='n202' href='#n202'>202</a>
<a id='n203' href='#n203'>203</a>
<a id='n204' href='#n204'>204</a>
<a id='n205' href='#n205'>205</a>
<a id='n206' href='#n206'>206</a>
<a id='n207' href='#n207'>207</a>
<a id='n208' href='#n208'>208</a>
<a id='n209' href='#n209'>209</a>
<a id='n210' href='#n210'>210</a>
<a id='n211' href='#n211'>211</a>
<a id='n212' href='#n212'>212</a>
<a id='n213' href='#n213'>213</a>
<a id='n214' href='#n214'>214</a>
<a id='n215' href='#n215'>215</a>
<a id='n216' href='#n216'>216</a>
<a id='n217' href='#n217'>217</a>
<a id='n218' href='#n218'>218</a>
<a id='n219' href='#n219'>219</a>
<a id='n220' href='#n220'>220</a>
<a id='n221' href='#n221'>221</a>
<a id='n222' href='#n222'>222</a>
<a id='n223' href='#n223'>223</a>
<a id='n224' href='#n224'>224</a>
<a id='n225' href='#n225'>225</a>
<a id='n226' href='#n226'>226</a>
<a id='n227' href='#n227'>227</a>
<a id='n228' href='#n228'>228</a>
<a id='n229' href='#n229'>229</a>
<a id='n230' href='#n230'>230</a>
<a id='n231' href='#n231'>231</a>
<a id='n232' href='#n232'>232</a>
<a id='n233' href='#n233'>233</a>
<a id='n234' href='#n234'>234</a>
<a id='n235' href='#n235'>235</a>
</pre></td>
<td class='lines'><pre><code>