Don’t use <<<

This isn’t supported in Dash.

diff --git a/GNUmakefile b/GNUmakefile
index 944f6dec4d1f877ce6ad4e47bdd8a1de6f05185a..42e677c7e51d2b1887e0d52fd4cde49bc825a9b6 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -309,7 +309,7 @@ sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(foreach dir,$(SR
 
 # Figure out the file type of each source file and source include.
 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
-override types := $(shell $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' <<< $(call quote,$(sourcefiles) $(sourceincludes)) | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g')
+override types := $(shell $(PRINTF) '%s\n' $(call quote,$(sourcefiles) $(sourceincludes)) | $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g')
 endif
 
 # Get the list of supported plaintext file types from the parser.