Use make macros

https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro

speex.spec

@@ -1,7 +1,7 @@
 Summary:	A voice compression format (codec)
 Name:		speex
 Version:	1.2.0
-Release:	6%{?dist}
+Release:	7%{?dist}
 License:	BSD
 URL:		https://www.speex.org/
 Source0:	https://downloads.xiph.org/releases/speex/%{name}-%{version}.tar.gz
@@ -40,10 +40,10 @@ speech. This package contains tools files and user's manual for %{name}.
 # Remove rpath from speexenc and speexdec
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
-make %{?_smp_mflags}
+%make_build
 
 %install
-make DESTDIR=$RPM_BUILD_ROOT install
+%make_install
 rm -f $RPM_BUILD_ROOT%{_docdir}/speex/manual.pdf
 
 %ldconfig_scriptlets
@@ -69,6 +69,10 @@ rm -f $RPM_BUILD_ROOT%{_docdir}/speex/manual.pdf
 
 
 %changelog
+* Tue Aug 18 2020 Tomas Korbar <tkorbar@redhat.com> - 1.2.0-7
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.0-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild