--- Makefile.orig	2018-04-09 15:46:15
+++ Makefile	2023-03-18 16:26:06
@@ -22,8 +22,8 @@
 linux_COMPILE=cc $(LUAINC) $(HPDFINC) -Wall -O2 -fomit-frame-pointer -shared -fPIC -c -o $@ $<
 linux_LINK=cc -shared -fPIC -o $@ $^ $(HPDFLIB) -lz -lpng -lm
 linux_REPORT=ldd ./$(TARGET)
-macosx_COMPILE=cc -DHPDF_SHARED $(LUAINC) $(HPDFINC) -DLUA_USE_MACOSX -Wall -O2 -fomit-frame-pointer -fPIC -c -o $@ $<
-macosx_LINK=cc -bundle -undefined dynamic_lookup -DLUA_USE_MACOSX $(HPDFLIB) -lz -lpng -o hpdf.so hpdf.o
+macosx_COMPILE=$(CC) $(CPPFLAGS) $(CFLAGS) -DLUA_USE_MACOSX -fomit-frame-pointer -fPIC -c -o $@ $<
+macosx_LINK=$(CC) -bundle -undefined dynamic_lookup -DLUA_USE_MACOSX $(LDFLAGS) $(HPDFLIB) -lz -lpng -o hpdf.so hpdf.o
 macosx_REPORT=otool -L ./$(TARGET)
 
 PDF = \