--- pyvex_c/Makefile.orig	2020-09-17 20:10:23 UTC
+++ pyvex_c/Makefile
@@ -4,6 +4,11 @@ ifeq ($(UNAME), Darwin)
 	STATIC_LIBRARY_FILE=libpyvex.a
 	LDFLAGS=-Wl,-install_name,@rpath/$(LIBRARY_FILE)
 endif
+ifeq ($(UNAME), FreeBSD)
+	LIBRARY_FILE=libpyvex.so
+	STATIC_LIBRARY_FILE=libpyvex.a
+	LDFLAGS=-Wl,-soname,$(LIBRARY_FILE) %%LDFLAGS%%
+endif
 ifeq ($(UNAME), Linux)
 	LIBRARY_FILE=libpyvex.so
 	STATIC_LIBRARY_FILE=libpyvex.a
@@ -26,10 +31,10 @@ sp =$(null) $(null)
 qs = $(subst ?,$(sp),$1)
 sq = $(subst $(sp),?,$1)
 
-CC=gcc
-AR=ar
+CC?=gcc
+AR?=ar
 INCFLAGS=-I "$(VEX_INCLUDE_PATH)"
-CFLAGS=-g -O2 -Wall -shared -fPIC -std=c99 $(INCFLAGS)
+CFLAGS=-g %%CFLAGS%% -Wall -shared -fPIC $(INCFLAGS)
 
 OBJECTS=pyvex.o logging.o analysis.o postprocess.o
 HEADERS=pyvex.h