[PATCH 3/5] make: Add wildcard rules for compressed files

[Sascha Hauer]

To simplify generating compressed files.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 scripts/Makefile.lib | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 73a433d..e87e401 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -193,6 +193,9 @@ quiet_cmd_gzip = GZIP    $@
 cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
 	(rm -f $@ ; false)
 
+%.gz: %
+	$(call if_changed,gzip)
+
 # DTC
 # ---------------------------------------------------------------------------
 
@@ -251,6 +254,9 @@ cmd_bzip2 = (cat $(filter-out FORCE,$^) | \
 	bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
+%.bz2: %
+	$(call if_changed,bzip2)
+
 # Lzma
 # ---------------------------------------------------------------------------
 
@@ -259,11 +265,17 @@ cmd_lzma = (cat $(filter-out FORCE,$^) | \
 	lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
+%.lzma: %
+	$(call if_changed,lzma)
+
 quiet_cmd_lzo = LZO     $@
 cmd_lzo = (cat $(filter-out FORCE,$^) | \
 	lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
+%.lzo: %
+	$(call if_changed,lzo)
+
 # XZ
 # ---------------------------------------------------------------------------
 # Use xzkern to compress the kernel image and xzmisc to compress other things.
@@ -292,11 +304,17 @@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
 	xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
 	(rm -f $@ ; false)
 
+# lz4
+# ---------------------------------------------------------------------------
+
 quiet_cmd_lz4 = LZ4     $@
 cmd_lz4 = (cat $(filter-out FORCE,$^) | \
 	lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
+%.lz4: %
+	$(call if_changed,lz4)
+
 quiet_cmd_disasm = DISASM  $@
 cmd_disasm = $(OBJDUMP) -d $< > $@
 
-- 
1.8.5.3