diff --git a/CuraEngine-15.04.6.tar.gz b/CuraEngine-15.04.6.tar.gz
deleted file mode 100644
index d285bd1..0000000
--- a/CuraEngine-15.04.6.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4f2e3c5e74001b39cf5894a1e3f436a7724be0ae9ee30cd02bd2e3fd676ca4b1
-size 107970
diff --git a/CuraEngine-2.6.0.obscpio b/CuraEngine-2.6.0.obscpio
new file mode 100644
index 0000000..14a13fc
--- /dev/null
+++ b/CuraEngine-2.6.0.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7b6dc3f0b5808a343b6c73a7f919ba4485fff6ec3b5adc55d35489a3fda2a238
+size 2540556
diff --git a/CuraEngine-uses-sharelib.patch b/CuraEngine-uses-sharelib.patch
deleted file mode 100644
index 7166908..0000000
--- a/CuraEngine-uses-sharelib.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-Index: Makefile
-===================================================================
---- Makefile.orig	2015-11-16 00:12:52.594259531 +0100
-+++ Makefile	2015-11-16 00:13:29.030165015 +0100
-@@ -50,7 +50,7 @@ else
- 			LDFLAGS += --static
- 		else
- 			CFLAGS += -flto
--			LDFLAGS += --static -flto
-+			LDFLAGS += -flto
- 		endif
- 	endif
- 	ifeq ($(UNAME), OpenBSD)
diff --git a/CuraEngine.obsinfo b/CuraEngine.obsinfo
new file mode 100644
index 0000000..aba472c
--- /dev/null
+++ b/CuraEngine.obsinfo
@@ -0,0 +1,5 @@
+name: CuraEngine
+version: 2.6.0
+mtime: 1497438677
+commit: 82a4a92a702be767cda84c325738af755452ce78
+
diff --git a/_service b/_service
new file mode 100644
index 0000000..e9f5f14
--- /dev/null
+++ b/_service
@@ -0,0 +1,15 @@
+<services>
+  <service name="obs_scm" mode="disabled">
+    <param name="url">https://github.com/Ultimaker/CuraEngine.git</param>
+    <param name="scm">git</param>
+    <param name="revision">2.6.0</param>
+    <param name="version">2.6.0</param>
+    <param name="submodules">disable</param>
+  </service>
+  <service mode="buildtime" name="tar" />
+  <service mode="buildtime" name="recompress">
+    <param name="file">*.tar</param>
+    <param name="compression">xz</param>
+  </service>
+  <service mode="buildtime" name="set_version" />
+</services>
diff --git a/cura-engine.changes b/cura-engine.changes
index 43404be..d3656be 100644
--- a/cura-engine.changes
+++ b/cura-engine.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jun 26 06:58:03 UTC 2017 - adrian@suse.de
+
+- update to version 2.6.0
+
 -------------------------------------------------------------------
 Fri Dec 23 10:06:38 UTC 2016 - adrian@suse.de
 
diff --git a/cura-engine.spec b/cura-engine.spec
index f93f386..7fa0375 100644
--- a/cura-engine.spec
+++ b/cura-engine.spec
@@ -17,19 +17,19 @@
 
 
 Name:           cura-engine
-Version:        15.04.6
+Version:        15.04.3
 Release:        0
 Summary:        3D printer control software
 License:        AGPL-3.0
-Group:          Applications/Engineering
+Group:          BLAH
 Url:            http://github.com/Ultimaker/CuraEngine
-Source0:        https://github.com/Ultimaker/CuraEngine/archive/%{version}/CuraEngine-%{version}.tar.gz
+Source0:        https://github.com/Ultimaker/CuraEngine/archive/%{version}/CuraEngine-%{version}.tar.xz
 Source1:        CuraEngine.1
-Patch1:         CuraEngine-uses-sharelib.patch
-BuildRequires:  gcc-c++
-
-# complains about glibc header problems (not in factory anymore :)
-#!BuildIgnore:  post-build-checks
+Patch1:         fix-build.patch
+BuildRequires:  gcc6-c++
+#!BuildIgnore:  libgcc_s1
+BuildRequires:  cmake
+BuildRequires:  libArcus-devel
 
 %description
 CuraEngine is the a powerful, fast and robust engine for processing 3D models
@@ -37,29 +37,30 @@ into 3D printing instruction for Ultimaker and other GCode based 3D printers.
 It is part of the larger open source project called "Cura".
 
 %prep
-%setup -q -n CuraEngine-%{version}
-%patch1
+%setup -q -n CuraEngine-%version
+%patch1 -p1
 
 %build
-CFLAGS="%{optflags}"
-export CFLAGS
-make VERSION=%{version}
+%if 0%{?suse_version} < 1500
+export CC=gcc-6
+export CXX=g++-6
+%endif
+%cmake -DCMAKE_C_FLAGS="%{optflags} -fPIC" \
+       -DCMAKE_CXX_FLAGS="%{optflags} -fPIC -fpermissive"
+make %{?_smp_mflags}
 
 %install
-install -d -m 755 %{buildroot}%{_bindir}
-install -d -m 755 %{buildroot}%{_datadir}/CuraEngine
-cp build/CuraEngine %{buildroot}%{_bindir}
-D=$(date +"%b %Y")
-sed -i "s/DATE/${D}/g;s/VERSION/%version/g" %{SOURCE1}
+cd build
+%make_install
 
-
-install -Dm0644 %{SOURCE1} %{buildroot}%{_mandir}/man1/cura-engine.1
+install -Dm0644 %{SOURCE1} %{buildroot}%{_mandir}/man1/CuraEngine.1
+# hack... not ready for the distro
+install -Dm0755 lib_CuraEngine.so %{buildroot}%{_libdir}/lib_CuraEngine.so
 
 %files
 %defattr(-,root,root,-)
-%dir %{_datadir}/CuraEngine
-%doc LICENSE
-%{_bindir}/CuraEngine
-%_mandir/man1/cura-engine.1*
+%_bindir/CuraEngine
+%_libdir/*
+%_mandir/man1/CuraEngine.1*
 
 %changelog
diff --git a/fix-build.patch b/fix-build.patch
new file mode 100644
index 0000000..ab9c503
--- /dev/null
+++ b/fix-build.patch
@@ -0,0 +1,17 @@
+diff --git a/src/settings/SettingRegistry.cpp b/src/settings/SettingRegistry.cpp
+index 7c4be40d..cff696a6 100644
+--- a/src/settings/SettingRegistry.cpp
++++ b/src/settings/SettingRegistry.cpp
+@@ -35,12 +35,6 @@ std::string SettingRegistry::toString(rapidjson::Type type)
+ }
+ 
+ 
+-SettingConfig::SettingConfig(std::string key, std::string label)
+-: SettingContainer(key, label)
+-{
+-//     std::cerr << key << std::endl; // debug output to show all frontend registered settings...
+-}
+-
+ bool SettingRegistry::settingExists(std::string key) const
+ {
+     return setting_key_to_config.find(key) != setting_key_to_config.end();