--- zmat-0.9.8/src/Makefile_orig	2022-08-15 11:04:27.531961978 -0400
+++ zmat-0.9.8/src/Makefile	2022-08-15 11:03:31.298329901 -0400
@@ -107,16 +107,15 @@
 dll:   CPPOPT     +=$(DLLFLAG)
 dll:   AR         :=gcc
 dll:   ARFLAGS    ?=-shared -Wl,-soname,$(BINARY).1
-dll:   LINKOPT    :=
+dll:   LINKOPT    :=$(LDFLAGS)
 dll:   AROUTPUT   :=-o
 
 oct mex: CPPOPT+= $(DLLFLAG)
 oct:   OUTPUT_DIR=..
-oct:   AR= CXXFLAGS='-O3' LFLAGS='$(-lz)' LDFLAGS='$(LFLAGS)' mkoctfile zmat.cpp
+oct:   AR= CXXFLAGS='$(CXXFLAGS)' LDFLAGS='$(LFLAGS)' mkoctfile zmat.cpp
 oct:   BINARY=zmat.mex
 oct:   ARFLAGS    :=
 oct:   LINKOPT+=--mex $(INCLUDEDIRS)
-oct:   CXX=mkoctfile
 
 mex:   CXX=$(MEX)
 mex:   OUTPUTFLAG:=-output
@@ -152,7 +151,7 @@
 
 %$(OBJSUFFIX): %.c
 	@$(ECHO) Building $@
-	$(CC) $(INCLUDEDIRS) $(CPPOPT) -c -o $@ $<
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(INCLUDEDIRS) $(CPPOPT) -c -o $@ $<
 
 %$(OBJSUFFIX): %.cu
 	@$(ECHO) Building $@