generate version.c and version.h

* src/Makefile.am (version.c, version.h): New rules.  Generate.
(nodist_libver_a_SOURCES): Define
* .gitignore: Add src/version.c and src/version.h.
(DISTCLEANFILES): Add version.c and version.h.

.gitignore

@@ -67,5 +67,7 @@ po/POTFILES
 po/checksums
 po/coreutils.pot
 po/stamp-po
+src/version.c
+src/version.h
 stamp-h1
 tests/*/*.log

src/Makefile.am

@@ -70,7 +70,7 @@ CLEANFILES = $(SCRIPTS) su
 AM_CPPFLAGS = -I$(top_srcdir)/lib
 
 noinst_LIBRARIES = libver.a
-libver_a_SOURCES = version.c version.h
+nodist_libver_a_SOURCES = version.c version.h
 
 # Sometimes, the expansion of $(LIBINTL) includes -lc which may
 # include modules defining variables like `optind', so libcoreutils.a
@@ -311,6 +311,22 @@ fs.h: stat.c extract-magic
 	@chmod a-w $@t
 	mv $@t $@
 
+BUILT_SOURCES += version.c
+version.c: Makefile
+	rm -f $@
+	printf '#include <config.h>\n' > $@t
+	printf 'char const *Version = "$(PACKAGE_VERSION)";\n' >> $@t
+	@chmod a-w $@t
+	mv $@t $@
+
+BUILT_SOURCES += version.h
+version.h: Makefile
+	rm -f $@
+	printf 'extern char const *Version;\n' > $@t
+	@chmod a-w $@t
+	mv $@t $@
+
+DISTCLEANFILES = version.c version.h
 MAINTAINERCLEANFILES = $(BUILT_SOURCES)
 
 # Sort in traditional ASCII order, regardless of the current locale;

src/version.c

@@ -1,2 +0,0 @@
-#include <config.h>
-char const *Version = VERSION;

src/version.h

@@ -1 +0,0 @@
-extern char const *Version;