5 ifeq ($(shell $(PKG_CONFIG) --exists --print-errors $(PKGS) 2>/dev/null && echo ok),)
10 ifeq ($(FOUND_PKGS),1)
12 CPPFLAGS += $(shell $(PKG_CONFIG) --cflags-only-I $(PKGS))
13 CFLAGS += $(shell $(PKG_CONFIG) --cflags-only-other $(PKGS))
14 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-other $(PKGS))
15 LIBS += $(shell $(PKG_CONFIG) --libs-only-L $(PKGS)) \
16 $(shell $(PKG_CONFIG) --libs-only-l $(PKGS))
22 ifeq ($(FOUND_PKGS),0)
23 $(error $(shell $(PKG_CONFIG) --exists --print-errors $(PKGS)))