Use __cmake_in_source_build

libipt.spec

@@ -1,6 +1,8 @@
+%global __cmake_in_source_build 1
+
 Name: libipt
 Version: 2.0.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: Intel Processor Trace Decoder Library
 License: BSD
 URL: https://github.com/01org/processor-trace
@@ -57,6 +59,9 @@ ctest -V %{?_smp_mflags}
 %{_mandir}/*/*.gz
 
 %changelog
+* Fri Jul 24 2020 Jeff Law <law@redhat.com> - 2.0.1-4
+- Use __cmake_in_source_build
+
 * Wed Jul 22 2020 Tom Stellard <tstellar@redhat.com> - 2.0.1-3
 - Use make macros
 - https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro