diff --git a/_service b/_service
new file mode 100644
index 0000000..e4b3097
--- /dev/null
+++ b/_service
@@ -0,0 +1,11 @@
+<services>
+  <service name="obs_scm">
+    <param name="scm">git</param>
+    <param name="url">https://github.com/lucchouina/eppic.git</param>
+    <param name="subdir">libeppic</param>
+    <param name="filename">libeppic</param>
+    <param name="versionprefix">3.99.git</param>
+  </service>
+  <service mode="buildtime" name="tar" />
+  <service mode="buildtime" name="set_version" />
+</services>
diff --git a/_service:obs_scm:libeppic-3.99.git.1599232887.873741a.obscpio b/_service:obs_scm:libeppic-3.99.git.1599232887.873741a.obscpio
new file mode 100644
index 0000000..8efda1f
--- /dev/null
+++ b/_service:obs_scm:libeppic-3.99.git.1599232887.873741a.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c72003fbc7f7b74d02780bcd51818757e5bcd6d28438dad96f331e5939fccdda
+size 349195
diff --git a/_service:obs_scm:libeppic.obsinfo b/_service:obs_scm:libeppic.obsinfo
new file mode 100644
index 0000000..488469a
--- /dev/null
+++ b/_service:obs_scm:libeppic.obsinfo
@@ -0,0 +1,5 @@
+name: libeppic
+version: 3.99.git.1599232887.873741a
+mtime: 1599232887
+commit: 873741ae28dae3d0229d929fc588a728f040354f
+
diff --git a/eppic-git5391d3d.tar.bz2 b/eppic-git5391d3d.tar.bz2
deleted file mode 100644
index 3ceb34d..0000000
--- a/eppic-git5391d3d.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cddb7dc40138cadf3c716e54bf433ecdff37d87bf06b4b74f6415b738fe742bf
-size 77034
diff --git a/eppic-no-return.patch b/eppic-no-return.patch
deleted file mode 100644
index 5db5f02..0000000
--- a/eppic-no-return.patch
+++ /dev/null
@@ -1,24 +0,0 @@
----
- libeppic/eppic_var.c |    4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
---- a/libeppic/eppic_var.c
-+++ b/libeppic/eppic_var.c
-@@ -828,7 +828,7 @@ var_t*v;
-     evaluation of sizeof or typeof.
- */
- int eppic_getvlev() { return vlev; }
--eppic_vpush()
-+void eppic_vpush()
- {
-     if(vlev==S_MAXSDEEP) {
- 
-@@ -841,7 +841,7 @@ eppic_vpush()
-     }
- }
- 
--eppic_vpop()
-+void eppic_vpop()
- {
-     if(vlev) {
-         eppic_setsvlev(sidx[--vlev]);
diff --git a/eppic-use-extern-in-devel-declaration.patch b/eppic-use-extern-in-devel-declaration.patch
deleted file mode 100644
index da10c6f..0000000
--- a/eppic-use-extern-in-devel-declaration.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-Index: b/libeppic/eppic.h
-===================================================================
---- a/libeppic/eppic.h
-+++ b/libeppic/eppic.h
-@@ -467,7 +467,7 @@ type_t  *eppic_addstorage(type_t *t1, ty
- type_t  *eppic_getvoidstruct(int ctype);
- 
- extern int lineno, needvar, instruct, nomacs, eppic_legacy;
--node_t *lastv;
-+extern node_t *lastv;
- 
- #define NULLNODE ((node_t*)0)
- 
diff --git a/eppic.changes b/eppic.changes
index 2718dd2..75b8d35 100644
--- a/eppic.changes
+++ b/eppic.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed Feb  3 09:54:23 UTC 2021 - Petr Tesařík <ptesarik@suse.com>
+
+- Update upstream URL.
+- Convert to obs_scm source service.
+- Upgrade to git commit 873741a.
+- Drop patches that have been merged into upstream:
+  o eppic-no-return.patch
+  o eppic-use-extern-in-devel-declaration.patch
+
 -------------------------------------------------------------------
 Tue Feb  2 08:29:23 UTC 2021 - Martin Liška <mliska@suse.cz>
 
diff --git a/eppic.spec b/eppic.spec
index 563d740..ec21aa8 100644
--- a/eppic.spec
+++ b/eppic.spec
@@ -16,20 +16,14 @@
 #
 
 
-%define git_date	20140619
-%define git_commit	5391d3d
-%define checkout	%{git_date}git%{git_commit}
-
 Name:           eppic
-Version:        3.99.%{checkout}
+Version:        3.99.git.1599232887.873741a
 Release:        0
 Summary:        Embeddable Pre-Processor and Interpreter for C
 License:        GPL-2.0-or-later
 Group:          Development/Libraries/C and C++
-Source:         %{name}-git%{git_commit}.tar.bz2
+Source:         lib%{name}-%{version}.tar
 Patch1:         %{name}-fix-install.patch
-Patch2:         %{name}-no-return.patch
-Patch3:         %{name}-use-extern-in-devel-declaration.patch
 Patch4:         %{name}-binutils-fix.patch
 BuildRequires:  bison
 BuildRequires:  flex
@@ -58,26 +52,22 @@ embedded in any tools that is C friendly.
 This package provides the include files and libraries needed for development.
 
 %prep
-%setup -n %{name}-git%{git_commit}
-%patch1 -p1
-%patch2 -p1
-%patch3 -p1
-%patch4 -p1
+%setup -n lib%{name}-%{version}
+%patch1 -p2
+%patch4 -p2
 
 %build
 %global _lto_cflags %{_lto_cflags} -ffat-lto-objects
-cd libeppic
 make CFLAGS="%{optflags} -fPIC" %{?_smp_mflags}
 
 %install
-cd libeppic
 mkdir -p %{buildroot}%{_libdir}
 mkdir -p %{buildroot}%{_includedir}
 make ROOT="%{buildroot}" LIBDIR=%{_libdir} install
 
 %files -n libeppic-devel
 %defattr(-,root,root)
-%doc libeppic/README
+%doc README
 %{_includedir}/eppic.h
 %{_includedir}/eppic_api.h
 %attr(644,root,root) %{_libdir}/libeppic.a