--- a/src/Makefile
+++ b/src/Makefile
@@ -1,8 +1,8 @@
-CXX = g++
+CXX ?= g++
 TARGET = glue
-BINDIR	= /usr/local/bin
-CXXFLAGS = -Wall -O2 --static -std=c++11
-LDFLAGS = -lm
+BINDIR	= @TERMUX_PREFIX@/bin
+CXXFLAGS ?= -Wall -O2 --static -std=c++11
+LDFLAGS ?= -lm
 SRCS := $(wildcard *.cc)
 OBJS := $(SRCS:.cc=.o)