From 5e4d82b615d01f5c6e7a3b21746772059aa19c8c Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 1 Oct 2017 19:11:33 -0700
Subject: [PATCH] Drop version.h

Some distributions use their own Makefile and thus won't create version.h,
resulting in a build failure. Pass the version as define instead.
That won't help for generating the driver version with those distributions,
but at least the driver will build.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
 .gitignore |  1 -
 Makefile   | 10 +++-------
 it87.c     |  5 ++++-
 3 files changed, 7 insertions(+), 9 deletions(-)
 delete mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 6702033..0000000
--- a/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-version.h
diff --git a/Makefile b/Makefile
index e702b2c..d4b96c3 100644
--- a/Makefile
+++ b/Makefile
@@ -44,17 +44,13 @@ all: modules
 
 # Targets for running make directly in the external module directory:
 
-DRIVER_VERSION = $(shell git describe --long)
+EXTRA_CFLAGS=-DIT87_DRIVER_VERSION='\"$(shell git describe --long)\"'
 
-version.h: it87.c
-	@echo "#define IT87_DRIVER_VERSION	\"$(DRIVER_VERSION)\"" > version.h
-
-modules: version.h
-	@$(MAKE) -C $(KERNEL_BUILD) M=$(CURDIR) $@
+modules:
+	@$(MAKE) EXTRA_CFLAGS=$(EXTRA_CFLAGS) -C $(KERNEL_BUILD) M=$(CURDIR) $@
 
 clean:
 	@$(MAKE) -C $(KERNEL_BUILD) M=$(CURDIR) $@
-	rm -f version.h
 
 install: modules_install
 
diff --git a/it87.c b/it87.c
index acbc1ff..fc9ee80 100644
--- a/it87.c
+++ b/it87.c
@@ -74,7 +74,10 @@
 #include <linux/acpi.h>
 #include <linux/io.h>
 #include "compat.h"
-#include "version.h"
+
+#ifndef IT87_DRIVER_VERSION
+#define IT87_DRIVER_VERSION	"<not provided>"
+#endif
 
 #define DRVNAME "it87"
 
-- 
2.39.5