add rpm package building.

Makefile

@@ -32,6 +32,7 @@ INSTALL = 	$(shell which install)
 MKTEMP  = 	$(shell which mktemp)
 STRIP   = 	$(shell which strip)
 PANDOC  =       $(shell which pandoc)
+RPMBUILD =	$(shell which rpmbuild)
 
 ifeq ($(PKGCONFIG),"")
 $(error "pkg-config not installed")
@@ -104,7 +105,7 @@ obj/%.o: src/%.cpp
 	$(CXX) $(CFLAGS) -c $< -o $@
 
 clean:
-	$(RM) -rf obj "$(TARGET)" "$(MANPAGE)"
+	$(RM) -rf obj "$(TARGET)" "$(MANPAGE)" rpmbuild
 	$(FIND) -name "*~" -delete
 
 distclean: clean
@@ -140,6 +141,13 @@ deb:
 	$(GIT) dch --auto --release --new-version="$(VERSION)"
 	$(GIT) buildpackage --git-ignore-new
 
+rpm:
+	$(eval VERSION := $(subst -,_,$(shell $(GIT) describe --always --tags --dirty)))
+	$(RPMBUILD) -bb $(TARGET).spec \
+		--define "_topdir $(CURDIR)/rpmbuild" \
+		--define "_builddir $(CURDIR)" \
+		--define "pkg_version $(VERSION)"
+
 .PHONY: all clean install help
 
 include $(wildcard obj/*.d)

mergerfs.spec

@@ -0,0 +1,37 @@
+Name:		mergerfs
+Version:	%{pkg_version}
+Release:	1%{?dist}
+Summary:	A FUSE union filesystem
+
+Group:		Applications/System
+License:	MIT
+URL:		https://github.com/trapexit/mergerfs
+
+BuildRequires:	gcc-c++
+BuildRequires:	libattr-devel
+BuildRequires:	fuse-devel
+# rpmbuild driven by the Makefile uses git to generate a version number
+BuildRequires:	git
+# pandoc pulls in ~60 packages (87M installed) from EPEL :(
+BuildRequires:	pandoc
+
+Requires:	fuse-libs
+
+%description
+mergerfs is similar to mhddfs, unionfs, and aufs. Like mhddfs in that it too
+uses FUSE. Like aufs in that it provides multiple policies for how to handle
+behavior.
+
+%build
+make %{?_smp_mflags}
+
+%install
+make install DESTDIR=%{buildroot}
+
+%files
+%{_bindir}/*
+%doc %{_mandir}/*
+
+%changelog
+* Fri Jun 20 2014 Joe Lawrence <joe.lawrence@stratus.com>
+- Initial rpm spec file.