--- a/Makefile
+++ b/Makefile-1
@@ -94,11 +94,11 @@
 endif
 
 ifeq ($(HAVE_RULES),yes)
-    override CXXFLAGS += -DHAVE_RULES -DTIXML_USE_STL $(shell pcre-config --cflags)
+    override CXXFLAGS += -DHAVE_RULES -DTIXML_USE_STL $(shell pkg-config libpcre --cflags)
     ifdef LIBS
-        LIBS += $(shell pcre-config --libs)
+        LIBS += $(shell pkg-config libpcre --libs)
     else
-        LIBS=$(shell pcre-config --libs)
+        LIBS=$(shell pkg-config libpcre --libs)
     endif
 endif