Replace hardcoded make with variable

This fixes a warning when running make -j n

diff --git a/modules/remotebackend/Makefile.am b/modules/remotebackend/Makefile.am
index bdec59f79daaf350517b1ea9038fa3c54734b0db..ccabd540371d3af4d95f95b0a11ade250ee2f0cb 100644 (file)
--- a/modules/remotebackend/Makefile.am
+++ b/modules/remotebackend/Makefile.am
@@ -21,7 +21,7 @@ TESTS=test_remotebackend_pipe test_remotebackend_unix test_remotebackend_http te
 BUILT_SOURCES=../../pdns/dnslabeltext.cc
 
 ../../pdns/dnslabeltext.cc: ../../pdns/dnslabeltext.rl
-       make -C ../../pdns dnslabeltext.cc
+       $(MAKE) -C ../../pdns dnslabeltext.cc
 
 libtestremotebackend_la_SOURCES=../../pdns/dnsbackend.hh ../../pdns/dnsbackend.cc ../../pdns/ueberbackend.hh ../../pdns/ueberbackend.cc \
         ../../pdns/nameserver.cc ../../pdns/misc.cc ../../pdns/arguments.hh \