tools/cxref/cpp/cxref-cpp-configure.in

   1 #!/bin/sh
   2 #
   3 # $Header$
   4 #
   5 # C Cross Referencing & Documentation tool. Version 1.5g.
   6 #
   7 # A script to generate the runtime configuration information for
   8 # cxref-cpp so that it can imitate gcc.
   9 #
  10 # Written by Andrew M. Bishop
  11 #
  12 # This file Copyright 2004 Andrew M. Bishop
  13 # It may be distributed under the GNU Public License, version 2, or
  14 # any higher version.  See section COPYING of the GNU Public license
  15 # for conditions under which this file may be redistributed.
  16 #
  17
  18 # Programs and paths
  19 # (Default to the ones from the configure script).
  20
  21 EGREP="@EGREP@"
  22
  23 prefix="@prefix@"
  24 cxref_cpp_defines="@datadir@/cxref/cxref-cpp.defines"
  25
  26 # Chose the C compiler and output file to use if not specified.
  27 # (Defaults to compiler found by configure script).
  28
  29 while [ ! $# = 0 ]; do
  30
  31     case $1 in
  32         -o)
  33             shift
  34             cxref_cpp_defines=$1
  35             ;;
  36         *)
  37             CC=$1
  38             ;;
  39     esac
  40     shift
  41
  42 done
  43
  44 if [ "$CC" = "" ]; then
  45     CC=@CC@
  46 fi
  47
  48 # Check if this is gcc or not.
  49 # (Defaults to check made by configure script)
  50
  51 GCC=@GCC@
  52
  53 if [ "$GCC" = "" ]; then
  54
  55     # Some default paths if not gcc
  56
  57     PREDEFINES=""
  58
  59     INCLUDE_DIR1=/usr/local/include
  60     INCLUDE_DIR2=/usr/include
  61     INCLUDE_DIR3=/usr/local/include
  62
  63     # Write the predefines and include path to the file.
  64
  65     echo $PREDEFINES    > $cxref_cpp_defines
  66     echo $INCLUDE_DIR1 >> $cxref_cpp_defines
  67     echo $INCLUDE_DIR2 >> $cxref_cpp_defines
  68     echo $INCLUDE_DIR3 >> $cxref_cpp_defines
  69
  70     # Write the built-in #defines to the file.
  71
  72     echo "" >> $cxref_cpp_defines
  73
  74 else
  75
  76     # Run the compiler to work out the paths if gcc
  77
  78     $CC -E -v - < /dev/null > $cxref_cpp_defines 2>&1
  79
  80     PREDEFINES=`$EGREP -e -D__GNUC $cxref_cpp_defines | tr ' ' '\012' | $EGREP -e '^-[AD]' | tr '\012' ' '`
  81
  82     INCLUDE_DIR1=`awk '/include <.+> search/,/End of search/ {if(i==1)print $1;i++}' $cxref_cpp_defines`
  83     INCLUDE_DIR2=`awk '/include <.+> search/,/End of search/ {if(i==2)print $1;i++}' $cxref_cpp_defines`
  84     INCLUDE_DIR3=`awk '/include <.+> search/,/End of search/ {if(i==3)print $1;i++}' $cxref_cpp_defines`
  85
  86     # Write the predefines and include path to the file.
  87
  88     echo $PREDEFINES    > $cxref_cpp_defines
  89     echo $INCLUDE_DIR1 >> $cxref_cpp_defines
  90     echo $INCLUDE_DIR2 >> $cxref_cpp_defines
  91     echo $INCLUDE_DIR3 >> $cxref_cpp_defines
  92
  93     # Write the built-in #defines to the file.
  94
  95     $CC -E -dM - < /dev/null >> $cxref_cpp_defines 2>/dev/null
  96
  97 fi