From: Guenter Roeck <linux@roeck-us.net>
Date: Fri, 15 Sep 2017 15:15:05 +0000 (-0700)
Subject: Makefile: Add support for compressed modules
X-Git-Tag: v1.0~8
X-Git-Url: https://git.sur5r.net/?p=groeck-it87;a=commitdiff_plain;h=e140a1cda38bf15f0c4e0bee7ce217970b0475d4;hp=aeafb7be7c845d3a60691a32c6e1d86eca623691

Makefile: Add support for compressed modules

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/Makefile b/Makefile
index b975bc7..33f43df 100644
--- a/Makefile
+++ b/Makefile
@@ -14,12 +14,20 @@ DRIVER := it87
 # Directory below /lib/modules/$(TARGET)/kernel into which to install
 # the module:
 MOD_SUBDIR = drivers/hwmon
+MODDESTDIR=$(KERNEL_MODULES)/kernel/$(MOD_SUBDIR)
 
 obj-m	:= $(patsubst %,%.o,$(DRIVER))
 obj-ko  := $(patsubst %,%.ko,$(DRIVER))
 
 MAKEFLAGS += --no-print-directory
 
+ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.gz)")
+COMPRESS_GZIP := y
+endif
+ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.xz)")
+COMPRESS_XZ := y
+endif
+
 .PHONY: all install modules modules_install clean
 
 all: modules
@@ -32,6 +40,12 @@ modules clean:
 install: modules_install
 
 modules_install:
-	mkdir -p $(KERNEL_MODULES)/kernel/$(MOD_SUBDIR)
-	cp $(DRIVER).ko $(KERNEL_MODULES)/kernel/$(MOD_SUBDIR)/
+	mkdir -p $(MODDESTDIR)
+	cp $(DRIVER).ko $(MODDESTDIR)/
+ifeq ($(COMPRESS_GZIP), y)
+	@gzip -f $(MODDESTDIR)/$(DRIVER).ko
+endif
+ifeq ($(COMPRESS_XZ), y)
+	@xz -f $(MODDESTDIR)/$(DRIVER).ko
+endif
 	depmod -a -F $(SYSTEM_MAP) $(TARGET)