--- mupdf-1.9a/Makerules
+++ mupdf-1.9a/Makerules
@@ -10,7 +10,7 @@
 CFLAGS += -Wall
 
 ifeq "$(build)" "debug"
-CFLAGS += -pipe -g -DDEBUG
+CFLAGS += -DDEBUG
 LDFLAGS += -g
 else ifeq "$(build)" "release"
 CFLAGS += -pipe -O2 -DNDEBUG -fomit-frame-pointer