makefile: fix escaping problem with GDS_ALLOW_EMPTY

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/Makefile

@@ -508,7 +508,7 @@ endif
 
 UNSET_VARS = for var in $(UNSET_VARIABLES_NAMES); do unset $$var; done
 
-SUB_MAKE = $(MAKE) $(foreach V,$(COMMAND_LINE_ARGS), $(if $($V),$V=$(shell echo $($V) | sed 's/ /\\ /g'),$V='')) --no-print-directory DESIGN_CONFIG=$(DESIGN_CONFIG)
+SUB_MAKE = $(MAKE) $(foreach V,$(COMMAND_LINE_ARGS), $(if $($V),$V=$(shell echo "$($V)" | $(FLOW_HOME)/scripts/escape.sh),$V='')) --no-print-directory DESIGN_CONFIG=$(DESIGN_CONFIG)
 UNSET_AND_MAKE = @bash -c '$(UNSET_VARS); $(SUB_MAKE) $$@' --
 
 # Separate dependency checking and doing a step. This can

flow/scripts/escape.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+sed -e 's/ /\\ /g' -e 's/(/\\(/g' -e 's/|/\\|/g' -e 's/)/\\)/g'