updated setup.py and makefile

Makefile

@@ -2,6 +2,10 @@
 
 # you will need to set the BINARY_C variable to point
 # to the root binary_c directory
+ifeq ($(BINARY_C),)
+  $(error BINARY_C is not set)
+endif
+
 
 CC      := gcc
 LD      := gcc
@@ -12,7 +16,7 @@ LIBS 	:= -lbinary_c $(shell $(BINARY_C)/binary_c-config --libs)
 C_SRC   := binary_c_python_api.c
 OBJECTS := $(C_SRC:.c=.o)
 OBJ_FLAGS := -c
-CFLAGS := -fPIC $(shell $(BINARY_C)/binary_c-config --flags) -I$(BINARY_C)/src/ -I$(BINARY_C)/src/API 
+CFLAGS := -fPIC $(shell $(BINARY_C)/binary_c-config --flags | sed s/-fvisibility=hidden// ) -I$(BINARY_C)/src/ -I$(BINARY_C)/src/API 
 SO_FLAGS := -shared -o
 SO_NAME := libbinary_c_api.so
 

setup.py

@@ -11,6 +11,7 @@ binary_c_config = os.environ['BINARY_C']+'/binary_c-config'
 binary_c_incdirs = subprocess.run([binary_c_config,'incdirs_list'],stdout=subprocess.PIPE).stdout.decode('utf-8').split()
 binary_c_libdirs = subprocess.run([binary_c_config,'libdirs_list'],stdout=subprocess.PIPE).stdout.decode('utf-8').split()
 binary_c_cflags =  subprocess.run([binary_c_config,'cflags'],stdout=subprocess.PIPE).stdout.decode('utf-8').split()
+# binary_c_cflags.remove('-fvisibility=hidden')
 binary_c_libs = subprocess.run([binary_c_config,'libs_list'],stdout=subprocess.PIPE).stdout.decode('utf-8').split()
 
 # create list of tuples of defined macros