[PATCH 04/10] btrfs-progs: use ./configure to generate version.h

[Karel Zak <kzak@redhat.com>]

The original homemade solution is unnecessary, autotools provides better
infrastructure to generate files.

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 Makefile.in  |  4 ----
 configure.ac |  9 +++++++++
 version.h.in | 11 +++++++++++
 version.sh   | 30 +++---------------------------
 4 files changed, 23 insertions(+), 31 deletions(-)
 create mode 100644 version.h.in

diff --git a/Makefile.in b/Makefile.in
index 0dd83ea..dad1685 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -154,10 +154,6 @@ test:
 #
 static: $(progs_static)
 
-version.h:
-	@echo "    [SH]     $@"
-	$(Q)bash version.sh
-
 $(libs_shared): $(libbtrfs_objects) $(lib_links) send.h
 	@echo "    [LD]     $@"
 	$(Q)$(CC) $(CFLAGS) $(libbtrfs_objects) $(LDFLAGS) $(lib_LIBS) \
diff --git a/configure.ac b/configure.ac
index 7a6c264..937d50f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,6 +3,10 @@ AC_INIT([btrfs-progs],
 	[linux-btrfs@vger.kernel.org],,
 	[http://btrfs.wiki.kernel.org])
 
+dnl library version
+LIBBTRFS_MAJOR=0
+LIBBTRFS_MINOR=1
+LIBBTRFS_PATCHLEVEL=1
 
 AC_PREREQ([2.60])
 
@@ -74,11 +78,16 @@ AC_SUBST([LZO2_LIBS_STATIC])
 AC_SUBST([LZO2_CFLAGS])
 
 
+dnl library stuff
+AC_SUBST([LIBBTRFS_MAJOR])
+AC_SUBST([LIBBTRFS_MINOR])
+AC_SUBST([LIBBTRFS_PATCHLEVEL])
 
 AC_CONFIG_HEADERS([config.h])
 
 AC_CONFIG_FILES([
 Makefile
+version.h
 ])
 
 AC_OUTPUT
diff --git a/version.h.in b/version.h.in
new file mode 100644
index 0000000..012d265
--- /dev/null
+++ b/version.h.in
@@ -0,0 +1,11 @@
+#ifndef __LIBBTRFS_VERSION_H__
+#define __LIBBTRFS_VERSION_H__
+
+#define BTRFS_LIB_MAJOR		@LIBBTRFS_MAJOR@
+#define BTRFS_LIB_MINOR		@LIBBTRFS_MINOR@
+#define BTRFS_LIB_PATCHLEVEL	@LIBBTRFS_PATCHLEVEL@
+
+#define BTRFS_LIB_VERSION ( BTRFS_LIB_MAJOR * 10000 + \
+                            BTRFS_LIB_MINOR * 100 + \
+                            BTRFS_LIB_PATCHLEVEL )
+#endif
diff --git a/version.sh b/version.sh
index 456853c..42b47c4 100755
--- a/version.sh
+++ b/version.sh
@@ -9,9 +9,6 @@
 v="v3.17.3"
 
 opt=$1
-lib_major=0
-lib_minor=1
-lib_patchlevel=1
 
 which git &> /dev/null
 if [ $? == 0 -a -d .git ]; then
@@ -32,30 +29,9 @@ fi
 if [ "$opt" = "--configure" ]; then
 	# Omit the trailing newline, so that m4_esyscmd can use the result directly.
 	echo "$v" | tr -d '\n'
-	exit 0
+else
+	echo "$v"
 fi
 
-echo "/* NOTE: this file is autogenerated by version.sh, do not edit */" > .build-version.h
-echo "#ifndef __BUILD_VERSION" >> .build-version.h
-echo >> .build-version.h
-echo "#define __BUILD_VERSION" >> .build-version.h
-echo >> .build-version.h
-echo "#define BTRFS_LIB_MAJOR $lib_major" >> .build-version.h
-echo "#define BTRFS_LIB_MINOR $lib_minor" >> .build-version.h
-echo "#define BTRFS_LIB_PATCHLEVEL $lib_patchlevel" >> .build-version.h
-echo >> .build-version.h
-echo "#define BTRFS_LIB_VERSION ( BTRFS_LIB_MAJOR * 10000 + \\" >> .build-version.h
-echo "                            BTRFS_LIB_MINOR * 100 + \\" >> .build-version.h
-echo "                            BTRFS_LIB_PATCHLEVEL )" >> .build-version.h
-echo >> .build-version.h
-echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h
-echo "#endif" >> .build-version.h
+exit 0
 
-diff -q version.h .build-version.h >& /dev/null
-
-if [ $? == 0 ]; then
-    rm .build-version.h
-    exit 0
-fi
-
-mv .build-version.h version.h
-- 
1.9.3