use %autosetup

libixion.spec

@@ -7,13 +7,13 @@ Summary: A general purpose formula parser & interpreter library
 
 License: MPLv2.0
 URL: https://gitorious.org/ixion/pages/Home
-Source: http://kohei.us/files/ixion/src/%{name}-%{version}.tar.xz
+Source0: http://kohei.us/files/ixion/src/%{name}-%{version}.tar.xz
+Source1: ixion-python-test.py
 
 Patch0: 0001-fix-make-distcheck.patch
-Patch1: ixion-python-test.py
-Patch2: 0001-fix-python-test-on-some-platforms.patch
-Patch3: 0001-add-missing-includes-for-assert.patch
-Patch4: 0001-match-argument-and-format-unit.patch
+Patch1: 0001-fix-python-test-on-some-platforms.patch
+Patch2: 0001-add-missing-includes-for-assert.patch
+Patch3: 0001-match-argument-and-format-unit.patch
 
 BuildRequires: automake
 BuildRequires: boost-devel
@@ -69,12 +69,8 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 Python 2 bindings for %{name}.
 
 %prep
-%setup -q
-%patch0 -p1
-%patch2 -p1
-%patch3 -p1
-%patch4 -p1
-cp %{PATCH1} test/
+%autosetup -p1
+cp %{SOURCE1} test/
 
 %build
 aclocal