build system: Fix null-terminating of text files for embedding on OS X

Ref github #112

diff --git a/make/component_wrapper.mk b/make/component_wrapper.mk
index 3018c18b552e7b85ad84b5f65a67c909ac783041..48bf0ecace1c3e72319c63934261bd31380a472b 100644 (file)
--- a/make/component_wrapper.mk
+++ b/make/component_wrapper.mk
@@ -198,7 +198,7 @@ embed_bin/$$(notdir $(1)): $(call resolvepath,$(1),$(COMPONENT_PATH)) | embed_bi
 
 embed_txt/$$(notdir $(1)): $(call resolvepath,$(1),$(COMPONENT_PATH)) | embed_txt
        cp $$< $$@
-       echo -ne '\0' >> $$@  # null-terminate text files
+       printf '\0' >> $$@  # null-terminate text files
 
 # messing about with the embed_X subdirectory then using 'cd' for objcopy is because the
 # full path passed to OBJCOPY makes it into the name of the symbols in the .o file