migrate ENABLE_DEBUG out of set_soenv

config_host.mk.in

@@ -58,6 +58,7 @@ export DBUS_CFLAGS="@DBUS_CFLAGS@"
 export DBUS_LIBS="@DBUS_LIBS@"
 export DB_CPPLIB="@DB_CPPLIB@"
 export DB_LIB="@DB_LIB@"
+export debug="@ENABLE_DEBUG@"
 export DEFAULT_MOZILLA_TOOLKIT="@MOZILLA_TOOLKIT@"
 export DEFAULT_TO_ENGLISH_FOR_PACKING="yes"
 export DIAGRAM_EXTENSION_PACK="@DIAGRAM_EXTENSION_PACK@"

configure.in

@@ -3229,7 +3229,7 @@ if test -n "$enable_debug" && test "$enable_debug" != "no"; then
     enable_symbols="yes"
     AC_MSG_RESULT([yes])
 else
-    ENABLE_DEBUG="FALSE"
+    ENABLE_DEBUG=""
     AC_MSG_RESULT([no])
 fi
 AC_SUBST(ENABLE_DEBUG)

set_soenv.in

@@ -534,8 +534,6 @@ ToFile( "Platform independent constant values.", $empty, "c" );
 # Languages
 ToFile( "WITH_POOR_HELP_LOCALIZATIONS", $WITH_POOR_HELP_LOCALIZATIONS, "e" );
 
-if ("@ENABLE_DEBUG@" eq "TRUE") {
-ToFile( "debug",             "true",             "e" );
 }
 ToFile( "nodep",             "@nodep@",          "e" );
 ToFile( "TARFILE_LOCATION",  $TARFILE_LOCATION,  "e" );