src/scripts/lookups-Makefile

   1 #! /bin/sh
   2
   3 # We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile
   4
   5 input=lookups/Makefile.predynamic
   6 target=lookups/Makefile
   7 defs_source=Makefile
   8 tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE'
   9
  10 tab='   '
  11
  12 # We always do something now, since there should always be a lookup,
  13 # and now we need to run in order to put the OBJ+= rules in.
  14
  15 if grep -q "^CFLAGS_DYNAMIC[ $tab]*=" "$defs_source"
  16 then
  17   # we have a definition, we're good to go
  18   : # noop (true) statement for bash compatibility
  19 else
  20   echo >&2 "Missing CFLAGS_DYNAMIC inhibits building dynamic module lookup"
  21   exit 1
  22 fi
  23
  24 tmp="$target.t"
  25
  26 want_dynamic() {
  27   local dyn_name="$1"
  28   grep -q "^LOOKUP_${dyn_name}[ $tab]*=[ $tab]*2" "$defs_source"
  29 }
  30
  31 want_at_all() {
  32   local want_name="$1"
  33   grep -q "^LOOKUP_${want_name}[ $tab]*=[ $tab]*." "$defs_source"
  34 }
  35
  36 emit_module_rule() {
  37   local lookup_name="$1"
  38   local mod_name
  39   if [ "${lookup_name%:*}" = "$lookup_name" ]
  40   then
  41     mod_name=$(echo $lookup_name | tr A-Z a-z)
  42   else
  43     mod_name="${lookup_name#*:}"
  44     lookup_name="${lookup_name%:*}"
  45   fi
  46
  47   if want_dynamic "$lookup_name"
  48   then
  49     echo "MODS += ${mod_name}.so"
  50     grep "^LOOKUP_${lookup_name}_" "$defs_source"
  51     echo "LOOKUP_${mod_name}_INCLUDE = \$(LOOKUP_${lookup_name}_INCLUDE)"
  52     echo "LOOKUP_${mod_name}_LIBS = \$(LOOKUP_${lookup_name}_LIBS)"
  53   elif want_at_all "$lookup_name"
  54   then
  55     echo "OBJ += ${mod_name}.o"
  56   fi
  57 }
  58
  59 exec 5>&1
  60 exec > "$tmp"
  61
  62 sed -n "1,/$tag_marker/p" < "$input"
  63
  64 for name_mod in \
  65     CDB DBM:dbmdb DNSDB DSEARCH IBASE LSEARCH MYSQL NIS NISPLUS ORACLE \
  66     PASSWD PGSQL SQLITE TESTDB WHOSON
  67 do
  68   emit_module_rule $name_mod
  69 done
  70
  71 if want_at_all LDAP
  72 then
  73   echo "OBJ += ldap.o"
  74 fi
  75
  76 sed -n "/$tag_marker/,\$p" < "$input"
  77
  78 exec >&5
  79 mv "$tmp" "$target"
  80
  81
  82 # vim: set ft=sh sw=2 :