ifneq (,$(filter pkg.ngcp-rtpengine.codec-chain,${DEB_BUILD_PROFILES})) ifneq (,$(wildcard $(CODEC_CHAIN_HOME)/usr/include/codec-chain/client.h)) CFLAGS+= -DHAVE_CODEC_CHAIN -I$(CODEC_CHAIN_HOME)/usr/include else ifneq (,$(wildcard /usr/include/codec-chain/client.h)) CFLAGS+= -DHAVE_CODEC_CHAIN endif endif