Fix variables

Author: gjbex

source-code/interfaciing-c-c++-fortran/Pybind11/Spectrum/Makefile

@@ -1,12 +1,13 @@
 CXX = g++
-CXXFLAGS = -std=c++14 -g -O2 -Wall -Wextra -Wpedantic -fPIC
+CXXFLAGS = -std=c++17 -g -O2 -Wall -Wextra -Wpedantic
 CPPFLAGS = $(shell python3 -m pybind11 --includes)
+LDFLAGS = -fPIC -shared 
 LDLIBS = -lm
 
 PYBIND_SUFFIX = $(shell python3-config --extension-suffix)
 
 bindings: spectrum.cpp
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -shared -o spectrum$(PYBIND_SUFFIX) $^
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) -o spectrum$(PYBIND_SUFFIX) $^
 
 clean:
 	$(RM) $(wildcard *.so) $(wildcard *.o)