diff -uNr NXEngine-1.0.0.4-Rev4/Makefile.linux NXEngine-1.0.0.4-Rev4.mod/Makefile.linux
--- NXEngine-1.0.0.4-Rev4/Makefile.linux	2014-01-25 15:05:18.000000000 +0200
+++ NXEngine-1.0.0.4-Rev4.mod/Makefile.linux	2021-08-19 20:50:38.199439852 +0300
@@ -11,17 +11,17 @@
 # Please uncomment "-D_L10N_CP1251" for Russian Localization
 BUILD         = shared
 
-CC            = gcc
-CXX           = g++
+CC            ?= gcc
+CXX           ?= g++
 DEFINES       = # -D_L10N_CP1251
-CFLAGS        = -pipe -O2 $(DEFINES)
-CXXFLAGS      = -pipe -O2 $(DEFINES)
-INCPATH       = -I/usr/include -I/usr/include/SDL -I/usr/local/include -I/usr/local/include/SDL -I.
-LINK          = g++
-LFLAGS        = -Wl,-O1 -Wl,-rpath,/usr/lib
-LIBS_SHARED   = -lSDLmain -lSDL -lSDL_ttf
-LIBS_STATIC   = /usr/local/lib/libSDLmain.a /usr/local/lib/libSDL.a /usr/local/lib/libSDL_ttf.a -ldl -lpthread -lfreetype
-STRIP         = strip
+CFLAGS        ?= -pipe -O2 $(DEFINES)
+CXXFLAGS      ?= -pipe -O2 $(DEFINES)
+INCPATH       = -I@TERMUX_PREFIX@/include -I@TERMUX_PREFIX@/include/SDL -I.
+LINK          ?= g++
+LFLAGS        ?= -Wl,-O1
+LIBS_SHARED   = -lSDL -lSDL_ttf
+LIBS_STATIC   = @TERMUX_PREFIX@/lib/libSDLmain.a @TERMUX_PREFIX@/lib/libSDL.a @TERMUX_PREFIX@/lib/libSDL_ttf.a -ldl -lpthread -lfreetype
+STRIP         ?= strip
 DEL_FILE      = rm -f
 
 ####### Output directory