libtool uses Automake and requires GNU make for correct installation

libtool/libtool.spec

@@ -41,7 +41,7 @@ Source0:      ftp://ftp.gnu.org/gnu/libtool/libtool-%{version}.tar.gz
 #   build information
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
-BuildPreReq:  OpenPKG, openpkg >= 20011126.0
+BuildPreReq:  OpenPKG, openpkg >= 20011126.0, make
 PreReq:       OpenPKG, openpkg >= 20011126.0
 AutoReq:      no
 AutoReqProv:  no
@@ -64,7 +64,7 @@ AutoReqProv:  no
 
 %install
     rm -rf $RPM_BUILD_ROOT
-    %{l_make} %{l_mflags} install DESTDIR=$RPM_BUILD_ROOT
+    %{l_make} %{l_mflags} install AM_MAKEFLAGS="DESTDIR=$RPM_BUILD_ROOT"
     rm -f $RPM_BUILD_ROOT%{l_prefix}/info/dir
     %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT \
         %{l_files_std} \