use 'new' %make_build and %make_install macros

libreswan.spec

@@ -108,7 +108,7 @@ sed -i "s/SUBDIRS += ipcheck/#SUBDIRS += ipchec/" testing/programs/Makefile
 %autopatch -p1
 
 %build
-make %{?_smp_mflags} \
+%make_build \
 %if 0%{with_development}
     OPTIMIZE_CFLAGS="%{?_hardened_cflags}" \
 %else
@@ -125,10 +125,8 @@ FS=$(pwd)
 
 
 %install
-make \
-    DESTDIR=%{buildroot} \
+%make_install \
     %{libreswan_config} \
-    install
 FS=$(pwd)
 rm -rf %{buildroot}/usr/share/doc/libreswan
 rm -rf %{buildroot}%{_libexecdir}/ipsec/*check