diff --git a/.dwarves.metadata b/.dwarves.metadata
new file mode 100644
index 0000000..583d84c
--- /dev/null
+++ b/.dwarves.metadata
@@ -0,0 +1 @@
+90995f46f9fcec884748a1deeb2283a4ae202594 SOURCES/dwarves-1.15.tar.xz
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f9ce5da
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+SOURCES/dwarves-1.15.tar.xz
diff --git a/SOURCES/0001-fprintf-Fixup-handling-classes-with-no-members.patch b/SOURCES/0001-fprintf-Fixup-handling-classes-with-no-members.patch
new file mode 100644
index 0000000..d5f7618
--- /dev/null
+++ b/SOURCES/0001-fprintf-Fixup-handling-classes-with-no-members.patch
@@ -0,0 +1,94 @@
+From b1412a88bb616f449401be285d43b028962992b9 Mon Sep 17 00:00:00 2001
+From: Arnaldo Carvalho de Melo <acme@redhat.com>
+Date: Mon, 1 Jul 2019 11:37:40 -0300
+Subject: [PATCH 1/1] fprintf: Fixup handling classes with no members
+
+Will Cohen reported this NULL pointer dereference while processing some
+object linking with cuda:
+
+ #0 0x00007ffff7f91453 in __class__fprintf (class=0x522560, cu=0x40ff80, conf=0x7fffffffa930, fp=0x7ffff7ece780 <_IO_2_1_stdout_>)
+ at /home/acme/git/pahole/dwarves_fprintf.c:1624
+ #1 0x00007ffff7f92195 in tag__fprintf (tag=0x522560, cu=0x40ff80, conf=0x7fffffffa930, fp=0x7ffff7ece780 <_IO_2_1_stdout_>)
+ at /home/acme/git/pahole/dwarves_fprintf.c:1835
+ #2 0x00007ffff7f90b57 in __class__fprintf (class=0x5224c0, cu=0x40ff80, conf=0x7fffffffaaa0, fp=0x7ffff7ece780 <_IO_2_1_stdout_>)
+ at /home/acme/git/pahole/dwarves_fprintf.c:1406
+ #3 0x00007ffff7f92195 in tag__fprintf (tag=0x5224c0, cu=0x40ff80, conf=0x40a200 <conf>, fp=0x7ffff7ece780 <_IO_2_1_stdout_>)
+ at /home/acme/git/pahole/dwarves_fprintf.c:1835
+ #4 0x0000000000402d03 in class_formatter (class=0x5224c0, cu=0x40ff80, id=1257) at /home/acme/git/pahole/pahole.c:224
+ #5 0x0000000000403074 in print_classes (cu=0x40ff80) at /home/acme/git/pahole/pahole.c:319
+ #6 0x0000000000404bb2 in pahole_stealer (cu=0x40ff80, conf_load=0x40a240 <conf_load>) at /home/acme/git/pahole/pahole.c:1174
+ #7 0x00007ffff7f9ff73 in finalize_cu (cus=0x40b2b0, cu=0x40ff80, dcu=0x7fffffffacf0, conf=0x40a240 <conf_load>)
+ at /home/acme/git/pahole/dwarf_loader.c:2227
+ #8 0x00007ffff7f9ffac in finalize_cu_immediately (cus=0x40b2b0, cu=0x40ff80, dcu=0x7fffffffacf0, conf=0x40a240 <conf_load>)
+ at /home/acme/git/pahole/dwarf_loader.c:2236
+ #9 0x00007ffff7fa064c in cus__load_module (cus=0x40b2b0, conf=0x40a240 <conf_load>, mod=0x40d760, dw=0x40e980, elf=0x40b360,
+ filename=0x7fffffffd5e3 "examples/wcohen/02_Exercise.cuda") at /home/acme/git/pahole/dwarf_loader.c:2389
+ #10 0x00007ffff7fa0760 in cus__process_dwflmod (dwflmod=0x40d760, userdata=0x40d770, name=0x40d910 "examples/wcohen/02_Exercise.cuda",
+ base=4194304, arg=0x7fffffffcf10) at /home/acme/git/pahole/dwarf_loader.c:2434
+ #11 0x00007ffff7f32be1 in dwfl_getmodules () from /lib64/libdw.so.1
+ #12 0x00007ffff7fa0820 in cus__process_file (cus=0x40b2b0, conf=0x40a240 <conf_load>, fd=3,
+ filename=0x7fffffffd5e3 "examples/wcohen/02_Exercise.cuda") at /home/acme/git/pahole/dwarf_loader.c:2487
+ #13 0x00007ffff7fa089c in dwarf__load_file (cus=0x40b2b0, conf=0x40a240 <conf_load>, filename=0x7fffffffd5e3 "examples/wcohen/02_Exercise.cuda")
+ at /home/acme/git/pahole/dwarf_loader.c:2504
+ #14 0x00007ffff7f8b0dd in cus__load_file (cus=0x40b2b0, conf=0x40a240 <conf_load>, filename=0x7fffffffd5e3 "examples/wcohen/02_Exercise.cuda")
+ at /home/acme/git/pahole/dwarves.c:1745
+ #15 0x00007ffff7f8bc2a in cus__load_files (cus=0x40b2b0, conf=0x40a240 <conf_load>, filenames=0x7fffffffd150)
+ at /home/acme/git/pahole/dwarves.c:2109
+ #16 0x0000000000404ff0 in main (argc=2, argv=0x7fffffffd148) at /home/acme/git/pahole/pahole.c:1294
+ (gdb)
+
+ (gdb) p class__name(class, cu)
+ $6 = 0x5cbb85 "__nv_hdl_helper_trait<__nv_dl_tag<int (*)(int, char**), main, 1u>, void (main(int, char**)::__lambda0::*)(int, double&)const>"
+ (gdb) p class->type.nr_members
+ $7 = 0
+ (gdb) p last
+ $8 = (struct class_member *) 0x0
+ (gdb)
+
+So, before checking for bitfield details, first check if there were
+members.
+
+Now, if we show all structs/classes in that object file and look for the
+above data structure, we find it inside another:
+
+ $ pahole examples/wcohen/02_Exercise.cuda
+ <SNIP>
+ struct __nv_hdl_helper_trait_outer<false, false, int, Kokkos::View<double**>, Kokkos::View<double*>, Kokkos::View<double*> > {
+ struct __nv_hdl_helper_trait<__nv_dl_tag<int (*)(int, char**), main, 1u>, void (main(int, char**)::__lambda0::*)(int, double&)const> {
+ class __nv_hdl_wrapper_t<false, false, __nv_dl_tag<int (*)(int, char**), main, 1u>, void(int, double&), int, Kokkos::View<doubl get<main(int, char**)::__lambda0>(class __lambda0, int, class View<double**>, class View<double*>, class View<double*>);
+
+ /* size: 1, cachelines: 0, members: 0 */
+ /* padding: 1 */
+ /* last cacheline: 1 bytes */
+ };
+
+ /* size: 1, cachelines: 0, members: 0 */
+ /* padding: 1 */
+ /* last cacheline: 1 bytes */
+ };
+ <SNIP>
+ $
+
+Reported-by: William Cohen <wcohen@redhat.com>
+Fixes: 13e5b9fc00ee ("fprintf: Add unnamed bitfield padding at the end to rebuild original type")
+Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
+---
+ dwarves_fprintf.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/dwarves_fprintf.c b/dwarves_fprintf.c
+index 8ad1ced7840c..706f1b5033f5 100644
+--- a/dwarves_fprintf.c
++++ b/dwarves_fprintf.c
+@@ -1620,7 +1620,7 @@ static size_t __class__fprintf(struct class *class, const struct cu *cu,
+ * to avoid adding the forced bitfield paddings and have btfdiff happy.
+ */
+ if (class->padding != 0 && type->alignment == 0 && cconf.has_alignment_info &&
+- !cconf.suppress_force_paddings) {
++ !cconf.suppress_force_paddings && last != NULL) {
+ tag_pos = cu__type(cu, last->tag.type);
+ size = tag__size(tag_pos, cu);
+
+--
+2.20.1
+
diff --git a/SPECS/dwarves.spec b/SPECS/dwarves.spec
new file mode 100644
index 0000000..76235cf
--- /dev/null
+++ b/SPECS/dwarves.spec
@@ -0,0 +1,130 @@
+%define libname libdwarves
+%define libver 1
+
+Name: dwarves
+Version: 1.15
+Release: 5%{?dist}
+License: GPLv2
+Summary: Debugging Information Manipulation Tools (pahole & friends)
+URL: http://acmel.wordpress.com
+Source: http://fedorapeople.org/~acme/dwarves/%{name}-%{version}.tar.xz
+Patch: 0001-fprintf-Fixup-handling-classes-with-no-members.patch
+Requires: %{libname}%{libver} = %{version}-%{release}
+BuildRequires: gcc
+BuildRequires: cmake
+BuildRequires: zlib-devel
+BuildRequires: elfutils-devel >= 0.130
+
+%description
+dwarves is a set of tools that use the debugging information inserted in
+ELF binaries by compilers such as GCC, used by well known debuggers such as
+GDB, and more recent ones such as systemtap.
+
+Utilities in the dwarves suite include pahole, that can be used to find
+alignment holes in structs and classes in languages such as C, C++, but not
+limited to these.
+
+It also extracts other information such as CPU cacheline alignment, helping
+pack those structures to achieve more cache hits.
+
+These tools can also be used to encode and read the BTF type information format
+used with the Linux kernel bpf syscall, using 'pahole -J' and 'pahole -F btf'.
+
+A diff like tool, codiff can be used to compare the effects changes in source
+code generate on the resulting binaries.
+
+Another tool is pfunct, that can be used to find all sorts of information about
+functions, inlines, decisions made by the compiler about inlining, etc.
+
+%package -n %{libname}%{libver}
+Summary: Debugging information processing library
+
+%description -n %{libname}%{libver}
+Debugging information processing library.
+
+%package -n %{libname}%{libver}-devel
+Summary: Debugging information library development files
+Requires: %{libname}%{libver} = %{version}-%{release}
+
+%description -n %{libname}%{libver}-devel
+Debugging information processing library development files.
+
+%prep
+%setup -q -c -n %{name}-%{version}
+%patch -p1
+
+%build
+%cmake .
+make VERBOSE=1 %{?_smp_mflags}
+
+%install
+rm -Rf %{buildroot}
+make install DESTDIR=%{buildroot}
+
+%ldconfig_scriptlets -n %{libname}%{libver}
+
+%files
+%doc README.ctracer
+%doc README.btf
+%doc NEWS
+%{_bindir}/btfdiff
+%{_bindir}/codiff
+%{_bindir}/ctracer
+%{_bindir}/dtagnames
+%{_bindir}/fullcircle
+%{_bindir}/pahole
+%{_bindir}/pdwtags
+%{_bindir}/pfunct
+%{_bindir}/pglobal
+%{_bindir}/prefcnt
+%{_bindir}/scncopy
+%{_bindir}/syscse
+%{_bindir}/ostra-cg
+%dir %{_datadir}/dwarves/
+%dir %{_datadir}/dwarves/runtime/
+%dir %{_datadir}/dwarves/runtime/python/
+%defattr(0644,root,root,0755)
+%{_mandir}/man1/pahole.1*
+%{_datadir}/dwarves/runtime/Makefile
+%{_datadir}/dwarves/runtime/linux.blacklist.cu
+%{_datadir}/dwarves/runtime/ctracer_relay.c
+%{_datadir}/dwarves/runtime/ctracer_relay.h
+%attr(0755,root,root) %{_datadir}/dwarves/runtime/python/ostra.py*
+
+%files -n %{libname}%{libver}
+%{_libdir}/%{libname}.so.*
+%{_libdir}/%{libname}_emit.so.*
+%{_libdir}/%{libname}_reorganize.so.*
+
+%files -n %{libname}%{libver}-devel
+%doc MANIFEST README
+%{_includedir}/dwarves/btf_encoder.h
+%{_includedir}/dwarves/config.h
+%{_includedir}/dwarves/ctf_encoder.h
+%{_includedir}/dwarves/ctf.h
+%{_includedir}/dwarves/dutil.h
+%{_includedir}/dwarves/dwarves.h
+%{_includedir}/dwarves/dwarves_emit.h
+%{_includedir}/dwarves/dwarves_reorganize.h
+%{_includedir}/dwarves/elfcreator.h
+%{_includedir}/dwarves/elf_symtab.h
+%{_includedir}/dwarves/gobuffer.h
+%{_includedir}/dwarves/hash.h
+%{_includedir}/dwarves/libbtf.h
+%{_includedir}/dwarves/libctf.h
+%{_includedir}/dwarves/list.h
+%{_includedir}/dwarves/rbtree.h
+%{_includedir}/dwarves/strings.h
+%{_libdir}/%{libname}.so
+%{_libdir}/%{libname}_emit.so
+%{_libdir}/%{libname}_reorganize.so
+
+%changelog
+* Wed Nov 06 2019 Jiri Olsa <jolsa@redhat.com> - 1.15-5
+- Add libdwarves version dependency to dwarves package
+
+* Mon Nov 04 2019 Jiri Olsa <jolsa@redhat.com> - 1.15-4
+- CI rebuild
+
+* Wed Sep 25 2019 Jiri Olsa <jolsa@redhat.com> - 1.15-1
+- Initial build