src/scripts/lookups-Makefile

   1 #! /bin/sh
   2
   3 # We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile
   4
   5 if [ -x /usr/xpg4/bin/sh ] && [ -z "EXIM_BLOCK_XPG4_LOOP" ]
   6 then
   7   EXIM_BLOCK_XPG4_LOOP=yes
   8   export EXIM_BLOCK_XPG4_LOOP
   9   PATH="/usr/xpg4/bin:$PATH"
  10   export PATH
  11   exec /usr/xpg4/bin/sh "$@"
  12 fi
  13
  14 input=lookups/Makefile.predynamic
  15 target=lookups/Makefile
  16 defs_source=Makefile
  17 tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE'
  18
  19 tab='   '
  20
  21 # We always do something now, since there should always be a lookup,
  22 # and now we need to run in order to put the OBJ+= rules in.
  23
  24 if grep -q "^CFLAGS_DYNAMIC[ $tab]*=" "$defs_source"
  25 then
  26   # we have a definition, we're good to go
  27   enable_dynamic=yes
  28 else
  29   echo >&2 "Missing CFLAGS_DYNAMIC inhibits building dynamic module lookup"
  30   enable_dynamic=''
  31 fi
  32
  33 tmp="$target.t"
  34
  35 want_dynamic() {
  36   local dyn_name="$1"
  37   grep -q "^LOOKUP_${dyn_name}[ $tab]*=[ $tab]*2" "$defs_source"
  38 }
  39
  40 want_at_all() {
  41   local want_name="$1"
  42   grep -q "^LOOKUP_${want_name}[ $tab]*=[ $tab]*." "$defs_source"
  43 }
  44
  45 emit_module_rule() {
  46   local lookup_name="$1"
  47   local mod_name
  48   if [ "${lookup_name%:*}" = "$lookup_name" ]
  49   then
  50     mod_name=$(echo $lookup_name | tr A-Z a-z)
  51   else
  52     mod_name="${lookup_name#*:}"
  53     lookup_name="${lookup_name%:*}"
  54   fi
  55
  56   if want_dynamic "$lookup_name"
  57   then
  58     if [ -z "$enable_dynamic" ]; then
  59       echo >&2 "Inhibited dynamic modules prevents building dynamic $lookup_name"
  60       exit 1
  61     fi
  62     echo "MODS += ${mod_name}.so"
  63     grep "^LOOKUP_${lookup_name}_" "$defs_source"
  64     echo "LOOKUP_${mod_name}_INCLUDE = \$(LOOKUP_${lookup_name}_INCLUDE)"
  65     echo "LOOKUP_${mod_name}_LIBS = \$(LOOKUP_${lookup_name}_LIBS)"
  66   elif want_at_all "$lookup_name"
  67   then
  68     echo "OBJ += ${mod_name}.o"
  69   fi
  70 }
  71
  72 exec 5>&1
  73 exec > "$tmp"
  74
  75 sed -n "1,/$tag_marker/p" < "$input"
  76
  77 for name_mod in \
  78     CDB DBM:dbmdb DNSDB DSEARCH IBASE LSEARCH MYSQL NIS NISPLUS ORACLE \
  79     PASSWD PGSQL SQLITE TESTDB WHOSON
  80 do
  81   emit_module_rule $name_mod
  82 done
  83
  84 if want_at_all LDAP
  85 then
  86   echo "OBJ += ldap.o"
  87 fi
  88
  89 sed -n "/$tag_marker/,\$p" < "$input"
  90
  91 exec >&5
  92 mv "$tmp" "$target"
  93
  94
  95 # vim: set ft=sh sw=2 :