get rpm building from tarball with autoconf

Makefile.am

@@ -3,7 +3,7 @@
 # setup is only used by distribution developers, not package developers.
 # Still, as a matter of allowing patching, its not a bad idea to distribute 
 # the developer setup script in the tarball.
-EXTRA_DIST = setup.sh config.h.in ChangeLog VERSION lexer.l lexer.h gen_utf8_tables.py
+EXTRA_DIST = setup.sh config.h.in ChangeLog VERSION lexer.l lexer.h gen_utf8_tables.py jq.spec
 
 # README.md is expected in Github projects, good stuff in it, so we'll 
 # distribute it and install it with the package in the doc directory.
@@ -56,7 +56,7 @@ jv_utf8_tables.gen.h: gen_utf8_tables.py
 jv_unicode.c: jv_utf8_tables.gen.h
 
 ChangeLog:
-	git log --name-status > $@
+	git log --name-status > $@ || echo "no changelog" > $@
 
 main.c: config.h
 
@@ -67,12 +67,11 @@ releasetag:
 RELEASE ?= 1
 rpmbuild: jq
 	@echo "Packaging jq as an RPM ..."
-	mkdir -p rpm/SOURCES rpm/BUILD rpm/BUILDROOT rpm/RPMS
-	rm -rf jq-$$(cat VERSION)
-	mkdir -p jq-$$(cat VERSION)/bin
-	cp jq jq-$$(cat VERSION)/bin
-	tar -zcf rpm/SOURCES/jq-$$(cat VERSION).tgz jq-$$(cat VERSION)/bin/jq
-	rpmbuild --target $$(uname -m) --buildroot ${PWD}/rpm/BUILDROOT/jq-$$(cat VERSION)-${RELEASE}.noarch --define "_topdir ${PWD}/rpm" --define "version $$(cat VERSION)" --define "release ${RELEASE}" -bb --clean rpm/SPECS/jq.spec
+	mkdir -p rpm/SOURCES rpm/BUILD rpm/BUILDROOT rpm/RPMS rpm/SPECS
+	cp jq-$$(cat VERSION).tar.gz rpm/SOURCES/
+	rpmbuild -tb --define "_topdir ${PWD}/rpm" --define "_prefix ${HOME}" --define "version $$(cat VERSION)" --define "release ${RELEASE}" rpm/SOURCES/jq-$$(cat VERSION).tar.gz
+	mv rpm/RPMS/* ./
+	rm -rf rpm
 
 dist-clean-local:
 	rm -f $(BUILT_SOURCES)

jq.spec

@@ -1,11 +1,15 @@
+# This is spec file maintained by developers of JQ, not by a OS distro.
+# Your OS of choice will likely ignore this RPM spec file.
 Summary: Command-line JSON processor
 Name: jq
 Version: %{version}
 Release: %{release}
-Source0: jq-%{version}.tgz
+Source0: jq-%{version}.tar.gz
 URL: https://github.com/stedolan/jq
+License: BSD
+AutoReqProv: no
+BuildPrereq: autoconf, libtool, automake, flex, bison, python
 
-License: Copyright (C) 2012 Stephen Dolan
 Group: Applications/System
 # Requires:
 
@@ -22,18 +26,27 @@ jq is a command-line JSON processor
 %setup
 
 %build
+echo "Building in: \"$(pwd)\""
+./configure --prefix=%{_prefix}
+make
 
 %install
-echo "Building in: \"%{buildroot}\""
-rm -rf %{buildroot}
-install -d -m 755 %{buildroot}/usr/bin
-mv %{_builddir}/jq-%{version}/bin/jq %{buildroot}/usr/bin
+echo "Installing to: \"${RPM_BUILD_ROOT}\""
+make install DESTDIR=${RPM_BUILD_ROOT}
 
 %clean
+rm -rf ${RPM_BUILD_ROOT}
 
 %files
 %defattr(-,root,root)
-/usr/bin/jq
+%{_bindir}/jq
+%{_bindir}/jq_test
+%{_datadir}/doc/jq/AUTHORS
+%{_datadir}/doc/jq/COPYING
+%{_datadir}/doc/jq/INSTALL
+%{_datadir}/doc/jq/NEWS
+%{_datadir}/doc/jq/README
+%{_datadir}/doc/jq/README.md
 
 %changelog