src/etc/ccdefs

   1 #!/bin/sh
   2 cd /tmp
   3 umask 022
   4
   5 CC=cc
   6 CPP=cpp
   7 PATH="$PATH:/lib"
   8
   9 TEMP=def$$
  10 trap 'rm -f ${TEMP}*; trap 0; exit' 0 1 2 3 15
  11
  12 set `type $CC`
  13 q=$#
  14 set x `type $CC`
  15 shift $q
  16 cc=$1
  17
  18 set `type $CPP`
  19 q=$#
  20 set x `type $CPP`
  21 shift $q
  22 cpp=$1
  23
  24 strings - "$cc" 2>/dev/null | tr ' ' '\012' > ${TEMP}.x
  25
  26 if test -x "$cpp"; then
  27 strings - "$cpp" 2>/dev/null | tr ' ' '\012' >> ${TEMP}.x
  28 else
  29 echo "Warning: cpp not found."
  30 fi
  31
  32 sort < ${TEMP}.x | uniq | awk '
  33 /^-D[A-Za-z_][A-Za-z_0-9]*$/ {
  34                 printf("#ifdef %s\n", substr($0,3))
  35                 printf("\"%s\": %s\n", substr($0,3), substr($0,3))
  36                 print "#endif"
  37         }
  38 /^[A-Za-z_][A-Za-z_0-9]*$/ {
  39                 printf("#ifdef %s\n", $0)
  40                 printf("\"%s\": %s\n", $0, $0)
  41                 print "#endif"
  42         }
  43 ' > ${TEMP}.c
  44
  45 echo "Defines in cc are:"
  46 cc -E ${TEMP}.c | sed -n -e 's/"\([^:]*\)":/\1:/p' | sort | uniq