chore(build): do not set CMAKE_INSTALL_LIBDIR and never with _libdir!

build/rpm/liblinphone.spec.cmake

@@ -64,7 +64,7 @@ develop programs using the liblinphone library.
 %setup -n %{name}-%{version}%{?build_number_ext}
 
 %build
-%{expand:%%%cmake_name} . -DCMAKE_BUILD_TYPE=@CMAKE_BUILD_TYPE@ -DCMAKE_INSTALL_LIBDIR:PATH=%{_libdir} -DCMAKE_PREFIX_PATH:PATH=%{_prefix} @RPM_ALL_CMAKE_OPTIONS@
+%{expand:%%%cmake_name} . -DCMAKE_BUILD_TYPE=@CMAKE_BUILD_TYPE@ -DCMAKE_PREFIX_PATH:PATH=%{_prefix} @RPM_ALL_CMAKE_OPTIONS@
 make %{?_smp_mflags}
 
 %install
@@ -86,7 +86,7 @@ rm -rf $RPM_BUILD_ROOT
 
 %postun -p /sbin/ldconfig
 
-%files 
+%files
 %defattr(-,root,root)
 %doc ChangeLog.md COPYING README.md
 %if @ENABLE_DAEMON@ || @ENABLE_CONSOLE_UI@ || @ENABLE_TOOLS@
@@ -121,7 +121,12 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+
+* Tue Nov 27 2018 ronan.abhamon <ronan.abhamon@belledonne-communications.com>
+- Do not set CMAKE_INSTALL_LIBDIR and never with _libdir!
+
 * Thu Jul 13 2017 jehan.monnier <jehan.monnier@linphone.org>
 - cmake port
+
 * Mon Aug 19 2013 jehan.monnier <jehan.monnier@linphone.org>
 - Initial RPM release.